The purpose of DCC 18.66 is to establish standards and review procedures for the development of the Terrebonne Rural Community. Four separate zoning districts are established, each with its own set of allowed uses and district regulations.

The Terrebonne Residential District allows a mixture of dwelling types and densities suited to the level of available water and sewer facilities. The purpose of this district is to allow new residential development that is compatible with the rural character of the area.

1. Permitted uses. The following uses and their accessory uses are permitted outright and do not require site plan review under DCC 18.124:
   1. A single-unit dwelling, or a manufactured dwelling subject to DCC 18.116.070.
   2. A duplex.
   3. Type 1 Home Occupation, subject to DCC 18.116.280.
   4. Agricultural uses as defined in DCC 18.04, involving:
      1. Keeping of cows, horses, goats, sheep, or similar farm animals, provided that the total number of such animals over the age of six months is limited to the lot area divided by 20,000 square feet.
      2. Keeping of chickens, fowl, rabbits, or similar farm animals, provided that the total number of such animals over the age of six months does not exceed one for each 500 square feet of lot area.
   5. Class I and II road or street project subject to approval as part of a land partition, subdivision, or subject to the standards of DCC 18.66.070 and 18.116.230.
   6. Class III road or street project.
   7. Operation, maintenance, and piping of existing irrigation systems operated by an Irrigation District except as provided in DCC 18.120.050.
   8. Residential home.
   9. Temporary Hardship Dwelling, subject to 18.116.090.
      
2. Uses Permitted Subject to Site Plan Review. The following uses and their accessory uses are permitted, subject to the applicable provisions of this chapter, DCC 18.116, Supplementary Provisions, and DCC 18.124 Site Plan Review, of this title:
   1. Child care facility and/or preschool.
3. Conditional Uses. The following uses and their accessory uses are permitted subject to the applicable provisions of DCC 18.66, 18.116, 18.124 and 18.128:
   1. Manufactured dwelling park.
   2. Multi-unit dwelling.
   3. Retirement center or nursing home.
   4. Religious institutions or assemblies.
   5. Type 2 or Type 3 Home Occupation, subject to DCC 18.116.280.
   6. Public or private school.
   7. Park.
   8. Public or semi-public building.
   9. Utility facility.
   10. Water supply or treatment facility.
   11. Veterinary clinic.
   12. Wireless telecommunications facilities, except those facilities meeting the requirements of DCC 18.116.250(A) or (B).
   13. Surface mining of mineral and aggregate resources in conjunction with the operation and maintenance of irrigation systems operated by an Irrigation District, including the excavation and mining for facilities, ponds, reservoirs, and the off-site use, storage, and sale of excavated material.
   14. Residential facility.
       
4. Lot Area and Lot Width Requirements.
   1. Partitions:
      1. Subject to the provisions of DCC 17.36.170(A), parcels not served by an approved community, non-community or municipal water system and not served by a public sewer system, shall have a minimum lot width of 150 feet with a minimum lot area of one acre.
      2. Subject to DCC 17.36.170 parcels served by an approved community, non-community, municipal or public water system, but not served by an approved public sewer system, shall have minimum lot area as follows:
         1. For a single-unit dwelling, a parcel shall have a minimum lot width of 100 feet and a minimum lot area of 22,000 square feet.
         2. For a duplex, a parcel shall have a minimum lot width of 100 feet and a minimum lot area of 33,000 square feet.
      3. For parcels served by an approved community, municipal, or public water and sewer system, the minimum parcel sizes shall be as follows:
         1. For a single-unit dwelling, the parcel shall have a lot minimum width of 75 feet and a minimum lot area of 7,500 square feet.
         2. For a duplex, the parcel shall have a minimum lot width of 75 feet and a minimum lot area of 10,000 square feet.
   2. Subdivisions:
      1. For subdivisions involving multi-unit dwellings, a manufactured dwelling park, a retirement center or a nursing home, all new lots shall be connected to a DEQ permitted wastewater pollution control facility.
      2. For subdivisions involving only single-unit and duplexes the standards set forth in DCC 18.66.020(D)(1) shall apply.
5. Setback Standards
   1. Front Setback. The front setback shall be 20 feet for a lot line with street frontage on a local street right-of-way, 30 feet for a lot line with street frontage on a collector right-of-way, and 80 feet for a lot line with street frontage on an arterial right-of-way. .
   2. Side Setback. A side setback shall be a minimum of five feet and the sum of the side setbacks shall be a minimum of 15 feet, subject to DCC 18.66.020(E)(4). Setback Standards.
   3. Rear Setback. The minimum rear setback shall be 20 feet, subject to DCC 18.66.020(E)(4).
   4. Exception to Setback Standards. Any new structure requiring a building permit, on a lot or parcel abutting EFU-zoned land receiving special assessment for farm use, shall have a minimum setback of 100 feet from any shared lot line.
   5. In addition to the setbacks set forth herein, any greater setbacks required by applicable building or structural codes adopted by the State of Oregon and/or the County under DCC 15.04 shall be met.
      

The purpose of the Terrebonne Residential-5 Acre Minimum District is to retain large rural residential lots or parcels where community sewer and water are not available.

1. Permitted Uses. The following uses and their accessory uses are permitted outright and do not require site plan review under DCC 18.124:
   1. A single-unit dwelling, or a manufactured dwelling subject to DCC 18.116.070.
   2. A duplex.
   3. Type 1 Home Occupation, subject to DCC 18.116.280.
   4. Agricultural uses as defined in DCC 18.04, involving:
      1. Keeping of cows, horses, goats, sheep, or similar farm animals, provided that the total number of such animals over the age of six months is limited to the lot area divided by 20,000 square feet.
      2. Keeping of chickens, fowl, rabbits, or similar farm animals over the age of six months, provided that the total numbers of such animals does not exceed one for each 500 square feet of lot area.
   5. Class I and II road or street project subject to approval as part of a land partition, subdivision or subject to the standards of DCC 18.66.070 and 18.116.230.
   6. Class III road or street project.
   7. Operation, maintenance, and piping of existing irrigation systems operated by an Irrigation District except as provided in DCC 18.120.050.
   8. Residential home.
   9. Temporary Hardship Dwelling, subject to DCC 18.116.090.
      
2. Uses Permitted Subject to Site Plan Review. The following uses and their accessory uses are permitted, subject to the applicable provisions of this chapter, DCC 18.116, Supplementary Provisions, and DCC 18.124 Site Plan Review, of this title:
   1. Child care facility and/or preschool.
3. Conditional Uses. The following uses and their accessory uses are permitted subject to the applicable provisions of DCC 18.116, 18.124, and 18.128:
   1. Manufactured dwelling park.
   2. Multi-unit dwelling.
   3. Retirement center or nursing home.
   4. Religious institutions or assemblies.
   5. Type 2 or Type 3 Home Occupation, subject to DCC 18.116.280.
   6. Public or private school.
   7. Park.
   8. Public or semi-public building.
   9. Utility facility.
   10. Water supply or treatment facility.
   11. Wireless telecommunications facilities, except those facilities meeting the requirements of DCC 18.116.250(A) or (B).
   12. Surface mining of mineral and aggregate resources in conjunction with the operation and maintenance of irrigation systems operated by an Irrigation District, including the excavation and mining for facilities, ponds, reservoirs, and the off-site use, storage, and sale of excavated material.
   13. Residential facility.
       
4. Lot Area Requirements. The minimum lot area in the TeR5 District is five acres regardless of the availability of approved community, non-community, municipal, or public water system and public sewer system.
5. Setback Standards.
   1. Front Setback. The front setback shall be 20 feet for a lot line with street frontage on a local street right-of-way, 30 feet for a lot line with street frontage on a collector right-of-way, and 80 feet for a lot line with street frontage on an arterial right-of-way.
   2. Side Setback. A side setback shall be a minimum of five feet and the sum of the side setbacks shall be a minimum of 15 feet, subject to DCC 18.66.030(E)(4).
   3. Rear Setback. The minimum rear setback shall be 20 feet, subject to DCC 18.66.030(E)(4).
   4. Exception to Setback Standards. Any new structure requiring a building permit, on a lot or parcel abutting EFU-zoned land receiving special assessment for farm use, shall have a minimum setback of 100 feet from any shared lot line.
   5. In addition to the setbacks set forth herein, any greater setbacks required by applicable building or structural codes adopted by the State of Oregon and/or the County under DCC 15.04 of shall be met.

The Terrebonne Commercial District is intended to allow a range of commercial and limited industrial uses to serve the community and surrounding rural area.

1. Permitted Uses. The following uses and their accessory uses are permitted outright and do not require site plan review under DCC 18.124:
   1. A single-unit dwelling or duplex on a lot or parcel existing on June 4, 1997.
   2. A manufactured dwelling on a lot or parcel existing on June 4, 1997, subject to DCC 18.116.070.
   3. Type 1 Home Occupation, subject to DCC 18.116.280.
   4. Class I and II road or street project subject to approval as part of a land partition, subdivision, or subject to the standards of DCC 18.66.070 and 18.116.230.
   5. Class III road or street project.
   6. Operation, maintenance, and piping of existing irrigation systems operated by an Irrigation District except as provided in DCC 18.120.050.
   7. Residential home on a lot or parcel existing on June 4, 1997.
   8. Temporary Hardship Dwelling, subject to DCC 18.116.090.
      
2. Uses Permitted Subject to Site Plan Review. The following uses and their accessory uses are permitted subject to the applicable provisions of DCC 18.66, 18.116, and 18.1248:
   1. A building or buildings not exceeding 4,000 square feet of floor area to be used by any combination of the following uses:
      1. Retail or service business.
      2. Eating or drinking establishment.
      3. Offices.
      4. Veterinary clinic and kennel entirely within an enclosed building.
      5. A dwelling unit permitted outright or conditionally, in the same building as a use permitted by DCC 18.66.040(B)(1).
      6. Marijuana wholesaling, office only. There shall be no storage of marijuana items or products at the same location.
   2. Any of the uses allowed under DCC 18.66.040 proposing to occupy more than 4,000 square feet of floor area in a building or buildings, subject to provisions of DCC 18.66.040(E).
   3. Child care facility and/or preschool.
3. Conditional Uses. The following uses and their accessory uses are permitted subject to the applicable provisions of DCC 18.66, 18.116, 18.124 and 18.128:
   1. Motel, with a maximum of 35 units, only if served by a community sewer system as defined in OAR 660-22-010(2).
   2. Recreational vehicle park.
   3. Religious institutions or assemblies.
   4. Type 2 or Type 3 Home Occupation, subject to DCC 18.116.280.
   5. Public or private school.
   6. Park.
   7. Public or semi-public building.
   8. Medical center in a building or buildings not exceeding 4,000 square feet of floor area.
   9. Utility facility.
   10. Water supply or treatment facility.
   11. Vehicle and trailer sales, service, repair. or rental in a building or buildings not exceeding 4,000 square feet of floor area.
   12. Uses listed below carried on in a building or buildings not exceeding 4,000 square feet of floor area with no exterior displays or storage of industrial equipment, industrial vehicles or industrial products:
       1. Manufacturing and production.
       2. Wholesale sales.
       3. Mini-storage.
   13. Wireless telecommunications facilities, except those facilities meeting the requirements of DCC 18.116.250(A) or (B).
   14. Surface mining of mineral and aggregate resources in conjunction with the operation and maintenance of irrigation systems operated by an Irrigation District, including the excavation and mining for facilities, ponds, reservoirs, and the off-site use, storage, and sale of excavated material.
   15. Marijuana retailing, subject to the provisions of DCC 18.116.330.
   16. Psilocybin service centers, subject to the provisions of DCC 18.116.380.
       
4. Use Limitations. The following use limitations shall apply to the uses listed in DCC 18.66.040(B) and (C).
   1. Sewer and Water Requirements. Applicant must obtain approval for an on-site sewage disposal system, or if applicable, obtain a Department of Environmental Quality (DEQ) Waste Water Pollution Control Facility (WPCF) permit before approval or as condition of approval of the land use permit.
   2. The County shall notify the Terrebonne Domestic Water District of land use actions made under DCC 18.66.
5. Requirements for Large Scale Uses.
   1. All uses listed in DCC 18.66.040(B) and 18.66.040(C)(12) may have a total building floor area exceeding 4,000 square feet if the Planning Director or Hearings Body finds:
      1. The use is intended to serve the community and surrounding rural area or the travel needs of people passing through the area;
      2. The use will primarily employ a work force from the community and surrounding rural area; and
      3. It is not practical to locate the use in a building or buildings with a floor area of 4,000 square feet or less.
   2. For purposes of DCC 18.66.040, the surrounding rural area includes the area described by the Terrebonne zip code, which extends south to the boundary of the Redmond zip code, west to the boundary of the Sisters zip code, east into Crook County to the boundary of the Prineville zip code and north into Jefferson County to include Crooked River Ranch.
6. Design Standards.
   Ground Floor Windows. The following criteria for ground floor windows apply to all new commercial buildings in the TeC District except those containing uses listed in DCC 18.66.040(C)(13). The provisions of DCC 18.124 also apply.
   1. The window area shall equal at least 50 percent of the length and 25 percent of the height of the ground level wall area. Ground level wall area includes all exterior wall area up to nine feet above the finished grade. The window requirement applies to the ground level of exterior building walls that abut sidewalks or roads.
   2. Required window areas shall be windows that allow views into either working areas, lobbies, pedestrian entrances or display windows.
7. Lot Area Requirements. The minimum lot area is 10,000 square feet. In addition, the lot area requirements for this district will be determined by spatial requirements for on-site sewage disposal, required landscaped areas, and off-street parking.
8. Lot Coverage. No lot coverage requirements, provided spatial requirements for parking, sewage disposal, and landscaping are satisfied.
9. Setback Standards.
   1. Front Setbacks. The front setback shall be a maximum of 15 feet, except as otherwise allowed by DCC 18.124.070(D)(3). The front setback for buildings may be reduced, but not increased, to the average building setback distance of buildings on abutting lots or parcels.
   2. Side Setback. No requirement, subject to DCC 18.66.040(I)(4).
   3. Rear Setback. No specific requirements, subject to DCC 18.66.040(I)(4).
   4. Exceptions to Setback Standards.
      1. Lot lines abutting a residential district. Any new structure requiring a building permit, sited on a lot or parcel abutting a residential district, shall have a minimum setback of 15 feet from any shared lot line. The required setback shall be increased by one foot for each foot by which the structure height exceeds 20 feet.
      2. Lot lines abutting an EFU zone. Any new structure requiring a building permit, on a lot or parcel abutting EFU-zoned land receiving special assessment for farm use, shall have a minimum setback of 100 feet from any shared lot line.

The Terrebonne Commercial-Rural District allows a mix of commercial and industrial uses common to a farming community.

1. Permitted Uses. The following uses and their accessory uses are permitted outright and do not require site plan review under DCC 18.124:
   1. A single-unit dwelling on a lot or parcel existing on June 4, 1997.
   2. A manufactured dwelling on a lot or parcel existing on June 4, 1997, subject to DCC 18.116.070.
   3. Type 1 Home Occupation, subject to DCC 18.116.280.
   4. Class I and II road or street project subject to approval as part of a land partition, subdivision or subject to the standards of DCC 18.66.070 and 18.116.230.
   5. Class III road or street project.
   6. Operation, maintenance, and piping of existing irrigation systems operated by an Irrigation District except as provided in DCC 18.120.050.
   7. Residential home on a lot or parcel existing on June 4, 1997.
   8. Temporary Hardship Dwelling, subject to DCC 18.116.090.
      
2. Uses Permitted Subject to Site Plan Review. The following uses and their accessory uses are permitted subject to the applicable provisions of DCC 18.66, 18.116, and 18.124:
   1. A building or buildings not exceeding 4,000 square feet of floor area to be occupied by any combination of the following uses:
      1. Retail or service business.
      2. Eating or drinking establishment.
      3. Office.
      4. A dwelling unit permitted outright or conditionally, in the same building as a use listed in DCC 18.66.050.
      5. Marijuana wholesaling, office only. There shall be no storage of marijuana items or products at the same location.
   2. Any of the uses listed under DCC 18.66.050(B) proposing to occupy more than 4,000 square feet of floor area in a building or buildings, subject to provisions of DCC 18.66.050(E).
3. Conditional Uses. The following uses and their accessory uses are permitted subject to the applicable provisions of DCC 18.66, 18.116, 18.124 and 18.128:
   1. Religious institutions or assemblies.
   2. Type 2 or Type 3 Home Occupation, subject to DCC 18.116.280.
   3. Park.
   4. Public or semi-public building.
   5. Utility facility.
   6. Water supply or treatment facility.
   7. Vehicle and trailer sales, service, repair, and rental in a building or buildings not exceeding 4,000 square feet of floor area.
   8. Uses listed below carried on in a building or buildings not exceeding 10,000 square feet of floor area to be occupied by any combination of the following uses:
      1. Manufacturing or production.
      2. Wholesale sales.
      3. Mini-storage.
      4. Truck terminal.
      5. Farm or contractor equipment storage, sales, service, or repair.
      6. Uses that require proximity to rural resources, as defined in OAR 660-04-022- (3)(a).
   9. Wireless telecommunications facilities, except those facilities meeting the requirements of DCC 18.116.250(A) or (B).
   10. Surface mining of mineral and aggregate resources in conjunction with the operation and maintenance of irrigation systems operated by an Irrigation District, including the excavation and mining for facilities, ponds, reservoirs, and the off-site use, storage, and sale of excavated material.
   11. Marijuana retailing, subject to the provisions of DCC 18.116.330.
4. Use Limitations. The following use limitations shall apply to the uses listed in DCC 18.66.050(B) and (C).
   1. Sewer and Water Requirements.
      1. Applicant must obtain approval for an on-site sewage disposal system, or if applicable, obtain a Department of Environmental Quality (DEQ) Waste Water Pollution Control Facility (WPCF) permit before approval or as condition of approval of the land use permit.
      2. The County shall notify the Terrebonne Domestic Water District of land use actions made under DCC 18.66.
   2. Compatibility.
      1. Any use on a lot or parcel abutting a residential district shall not emit odor, dust, fumes, glare, flashing lights, noise, or similar disturbances perceptible without instruments more than 200 feet in the direction of the affected residential lot or parcel.
      2. Any use expected to generate more than 50 truck-trailer, contractors and/or farm heavy equipment trips per day to and from the subject property shall not locate on a lot or parcel abutting or across a local or collector street from a lot or parcel in a residential district.
      3. No use shall be permitted that has been declared a nuisance by state statute, County ordinance, or a court of competent jurisdiction.
      4. No use requiring an air containment discharge permit shall be approved by the Planning Director or Hearings Body before review by the applicable state or federal permit-reviewing authority. Such uses shall not be located abutting or across a local or collector street from a lot or parcel in a residential district.
   3. Traffic and Parking.
      1. A use that generates more than 20 auto or truck trips during the peak hour of the day to and from the premises shall document with facts that the affected transportation facilities are adequate to serve the proposed use, considering the functional classification, capacity, and level of service of the affected transportation facility.
      2. All parking demand generated by uses permitted by DCC 18.66 shall be accommodated entirely on the premises.
      3. Site design shall not require backing of traffic onto a public or private road right-of-way.
   4. Additional Requirements. As a condition of approval of any use proposed, the Planning Director or Hearings Body may require:
      1. An increased setback requirement.
      2. Additional off-street parking and loading facilities.
      3. Limitations on signs, lighting, hours of operation, and points of ingress and egress.
      4. Additional landscaped buffering and screening improvements.
5. Requirements for Large Scale Uses.
   1. All uses listed in DCC 18.66.050(B) may be allowed to occupy a floor area exceeding 4,000 square feet if the Planning Director or Hearings Body finds:
      1. The use is intended to serve the community and surrounding rural area, or the traveling needs of people passing through the area;
      2. The use will primarily employ a work force from the community and surrounding rural area; and
      3. It is not practical to contain the proposed use within 4,000 square feet of floor area.
   2. This provision does not apply to uses listed in DCC 18.66.050(C)(8).
   3. For purposes of DCC 18.66.050(E), the surrounding rural area described by the Terrebonne zip code, which extends south to the boundary of the Redmond zip code, west to the boundary of the Sisters zip code, east into Crook County to the boundary of the Prineville zip code, and north into Jefferson County to include Crooked River Ranch.
6. Design Standards. Ground Floor Windows. The following criteria for ground floor windows apply to all new commercial buildings in the TeCR District except those containing uses listed in DCC 18.66.050(C)(8). The provisions of DCC 18.124 also apply.
   1. The window area shall be at least 50 percent of the length of the ground level wall area and 25 percent of height of the ground level wall area. Ground level wall area includes all exterior wall area up to nine feet above the finished grade. The window requirement applies to the ground level of exterior building walls that abut sidewalks or roads.
   2. Required window areas shall be windows that allow views into either working areas, lobbies, pedestrian entrances or display windows.
7. Lot Area Requirements. The minimum lot area is 10,000 square feet. In addition, lot area requirements for this district shall be determined by spatial requirements for sewage disposal, required landscaped areas, and off-street parking.
8. Lot Coverage Standards.
   1. Lot Coverage: No lot coverage requirements, provided spatial requirements for parking, sewage disposal, and landscaping are satisfied.
   2. No use listed in DCC 18.66.050(C)(8) that is located abutting or across a local or collector road from a lot or parcel in a residential district shall exceed 70 percent lot coverage, including outside storage, and off-street parking and loading areas.
9. Setback Standards.
   1. Front Setback. The front setback shall be a maximum of 15 feet, except as otherwise allowed by DCC 18.124.070(D)(3)(b). The front setback for structures may be reduced, but not increased, to the average building setback distance of existing structures on abutting lots or parcels.
   2. Side Setback. No requirement, subject to DCC 18.66.050(I)(4).
   3. Rear Setback. No specific requirement, subject to DCC 18.66.050(I)(4).
   4. Exceptions to Setback Standards.
      1. Lot line abutting a residential zone. For all new structures requiring a building permit on a lot or parcel abutting a residential district, the setback shall be a minimum of 15 feet from any shared lot line. The required setback will be increased by one foot for each foot by which the new structure height exceeds 20 feet.
      2. Lot line abutting an EFU zone. Any structure requiring a building permit on a lot or parcel abutting EFU-zoned land receiving special assessment for farm use, shall have a minimum setback of 100 feet from any shared lot line.

1. Solar Setbacks. The setback from any north lot line shall meet the solar setback requirements in DCC 18.116.180.
2. Building Code Setbacks. In addition to the setbacks set forth herein, any greater setbacks required by the applicable building or structural codes adopted by the State of Oregon and/or the County under DCC 15.04 shall be met.
3. Off-Street Parking and Loading. Off-street parking and loading shall be provided subject to the provisions of DCC 18.116.
4. Lot Coverage. Except where otherwise noted, lot coverage shall not exceed 30 percent of the lot area.
5. No structure shall be erected or enlarged to exceed 30 feet in height, except as allowed under DCC 18.120.040.

1. Applicability. The standards in DCC 18.66.070 shall, in conjunction with the provisions of DCC 17.36, 17.40, and 17.48 relating to improvements in the right-of-way, apply to improvements in the right-of-way required by land use permit approvals. Right-of-way improvements shall be those authorized by subdivision, partition, conditional use or site plan requirements, as applicable. The standards set forth in DCC 18.66.070 shall govern over any conflicting standards set forth in DCC Title 17.
2. Road Access. For properties abutting Highway 97, when there is a choice to take access from a road other than Highway 97, no access shall be taken from Highway 97.
3. Roadways. Any roadway improvement shall conform to the applicable provisions of DCC Title 17, Table 18.66-A and the functional classification assigned to the road segment by the Comprehensive Plan for the Terrebonne Rural Community.
4. Bikeways. Required bikeway improvements shall conform to the standards set forth in DCC 17.48.140 and applicable specifications of Table 18.66-A.
5. Sidewalks.
   1. Sidewalks shall meet the standards set forth in DCC 17.48.140 and Table 18.66-A. Sidewalks are required only where specified in the Comprehensive Plan Map for Terrebonne, Map D3 “Planned Pedestrian Improvements.”
   2. Sidewalks may be constructed either at the time of development or may be deferred until later through formation of a local improvement district. Applicants electing to defer sidewalk construction shall be required as a condition of approval to submit and have recorded a waiver of remonstrance signed by the land owner waiving the land owner’s rights to have any objection to LID formation counted against formation of the LID.
6. Drainage. Drainage facilities shall be required if necessary to meet the standard of DCC 17.48.190. Where specified in Table 18.66-A, drainage shall be accomplished by swales constructed in accordance with the specifications set forth in Table 18.66-A and the drawing set forth in DCC 17.48.