DEVELOPMENT STANDARDS
(1) Residential Uses | Applicable Zones Low Density Residential (RS) Zone Medium Density Residential (RM) Zone High Density Residential (RH) Zone Mixed Density Residential (MX) Zone Main Street District (MS) Zone Commercial Retail Transitional (CRT) Zone |
|---|---|
Residential Use | Number of Spaces Required |
Single detached dwelling | 2 spaces per dwelling unit |
Duplex | 2 spaces |
Triplex | 1 space per unit |
Cottage Clusters | 1 space per unit |
Townhomes | 1 space per unit |
Multiple dwelling units less than 500 sq. feet in size | 0.5 spaces per unit |
Multiple dwelling units 500 sq. feet in size or larger | 1 space per unit |
Regulated affordable housing | 0.5 spaces per unit |
Retirement complexes for persons 55 years or greater | 1 space per unit |
Clubs, fraternity, and sorority houses, rooming or boarding houses | 4 spaces for every 5 guest rooms |
Main Street district zone (MS) – All residential uses | 1 space per unit. On-street parking spaces adjacent to the property line may be counted as part of the required residential parking |
(2) Commercial Uses | Applicable Zones Commercial Office (CO) Zone Commercial Highway (CH) Zone Commercial Retail (CR) Zone Commercial Retail Transitional (CRT) Zone Main Street District (MS) Zone Mixed Density Residential (MX) Zone |
|---|---|
Commercial Use | Number of Spaces Required |
Parking for commercial uses in the Main Street District (MS) zone | No spaces required |
Parking for commercial uses in the RM, RH, and MX zones | 1 space per 1,000 square feet of floor area |
Hotel | 1 space per two guest rooms plus one space per two employees |
Motel | 1 space per guest room or suite plus 1 additional space for owner or manager |
Club, lodge | Meet the combined requirements of the uses being conducted such as hotel, eating and drinking establishment, auditorium, etc. |
Welfare or correctional institution | 1 space per 5 beds for patients or institution inmates |
Convalescent hospital, sanitarium, rest home, home for the aged | 1 space per 2 beds for patients or nursing home, residents |
Hospital | 3 spaces per 2 beds |
Church | 1 space per four seats or 8 feet of bench length in main auditorium |
Library; reading room | 1 space per 400 square feet of floor area plus 1 space per 2 employees |
Preschool nursery; kindergarten; child care facilities | 2 spaces per teacher or employee |
Elementary or middle school | 3 spaces per classroom |
High school | 6 spaces per classroom |
College; commercial school for adults | 6 spaces per classroom |
Other auditoriums; meeting room | 1 space per 4 seats or 8 feet of bench length |
Place of public assembly without fixed seats | 1 space per 100 square feet |
Stadium; arena; theater | 1 space per 4 seats or 8 feet of bench length |
Bowling alley | 5 spaces per alley plus 1 per 2 employees |
Dance hall; skating rink | 1 space per 100 square feet of gross floor area plus 1 space per 2 employees |
Amusement center (arcade, pool tables, etc.) | 1 space per 80 square feet of gross floor area |
Retail store, except a service shop | 1 space per 400 square feet of gross floor area |
Service or repair shop; retail store handling exclusively bulky merchandise such as automobiles and furniture | 1 space per 650 square feet of gross floor area |
Bank, office, medical and dental clinic | 1 space per 400 square feet of gross floor area plus 1 space per 2 employees |
Eating or drinking establishment | 1 space per 200 square feet of gross floor area |
Mortuary | 1 space per 4 seats or 8 feet of bench length in chapels |
Parking for neighborhood commercial conditional uses listed in the mixed density residential (MX) zone | No spaces required. On-street parking spaces adjacent to the business may be used for parking |
(3) Industrial Uses | Applicable Zones Light Industrial (IL) Zone Industrial Park (IP) Zone General Industrial (GI) Zone |
|---|---|
Industrial Use | Number of Spaces Required |
Storage warehouse; air, rail or trucking freight terminal | 0.5 spaces per 1,000 square feet of gross floor area |
Wholesale establishment | 1 space per 1,000 square feet of gross floor area |
Manufacturing establishment | 1 space per 1,000 square feet of gross floor area |
Table 18.130.060(6) – Minimum Number of Handicap Parking Spaces | |||
|---|---|---|---|
Total Number of Parking Spaces Provided (per lot) | Total Minimum Number of Handicap Parking Spaces (with 60" access aisle, or 96" aisle for vans*) | Van Handicap Parking Spaces with min. 96" wide access aisle | Handicap Parking Spaces with min. 60" wide access aisle |
1 to 25 | Column A 1 | 1 | 0 |
26 to 50 | 2 | 1 | 1 |
51 to 75 | 3 | 1 | 2 |
76 to 100 | 4 | 1 | 3 |
101 to 150 | 5 | 1 | 4 |
151 to 200 | 6 | 1 | 5 |
201 to 300 | 7 | 1 | 6 |
301 to 400 | 8 | 1 | 7 |
401 to 500 | 9 | 2 | 7 |
501 to 1,000 | 2% of total parking provided in each lot | 1/8 of Column A** | 7/8 of Column A*** |
1,001 | 20 plus 1 for each 100 over 1,000 | 1/8 of Column A** | 7/8 of Column A*** |
Notes: |
|---|
*Vans and cars may share access aisles |
**1 out of every 8 handicap spaces |
***7 out of every 8 handicap parking spaces |
Source: American Disabilities Act Standards for Accessible Design |
Table 18.130.070-1 Minimum Required Bicycle Parking Spaces | |
|---|---|
Use | Minimum Number of Spaces |
Multiple Dwelling Residential | 2 bike spaces per 4 dwelling units |
Commercial | 2 bike spaces per primary use or 1 per 5 vehicle spaces, whichever is greater |
Industrial | 2 bike spaces per primary use or 1 per 10 vehicle spaces, whichever is greater |
Community Service | 2 bike spaces |
Parks | 4 bike spaces |
Schools | 2 bike spaces per classroom |
Institutional Uses and Places of Worship | 2 bike spaces per primary use or 1 per 10 vehicle spaces, whichever is greater |
Parking Standards Table and Diagram | ||||||
|---|---|---|---|---|---|---|
Parking Angle Degrees | Stall Width | Stall to Curb (19' Long X 14.5' Short) | Aisle Width | Curb Length | Front of Stall to Front of Stall | Overlap Front of Stall to Front of Stall |
a | b | c | d | e | f1 | f2 |
0 | 9' 0" | 9' 0" | 12.0 | 14.5 | 30.0 | |
20 | 9' 0" | 13.4 | 11.0 | 16.7 | 37.8 | 29.4 |
15.6 | 11.0 | 20.9 | 41.0 | 33.3 | ||
30 | 9' 0" | 15.0 | 11.0 | 17.1 | 41.6 | 38.3 |
17.8 | 11.0 | 20.9 | 45.6 | 38.5 | ||
40 | 9' 0" | 16.2 | 12.0 | 16.9 | 44.4 | 37.5 |
19.1 | 12.0 | 20.3 | 50.2 | 43.9 | ||
45 | 9' 0" | 16.6 | 13.0 | 16.6 | 46.2 | 39.9 |
19.8 | 13.0 | 19.8 | 52.6 | 46.7 | ||
50 | 9' 0" | 16.9 | 15.0 | 16.2 | 48.8 | 43.0 |
20.4 | 15.0 | 19.1 | 52.8 | 50.7 | ||
60 | 9' 0" | 17.1 | 18.0 | 15.0 | 52.2 | 47.6 |
21.0 | 18.0 | 17.3 | 60.0 | 55.7 | ||
70 | 9' 0" | 16.7 | 19.0 | 13.4 | 52.4 | 49.3 |
21.0 | 19.0 | 15.0 | 61.0 | 57.9 | ||
80 | 9' 0" | 15.8 | 24.0 | 11.1 | 55.6 | 54.1 |
20.3 | 24.0 | 12.2 | 64.3 | 62.9 | ||
90 | 9' 0" | 14.5 | 24.0 | 9.0 | 53.0 | |
19.0 | 24.0 | 9.0 | 62.0 | |||
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Paved Street | Alley | |
|---|---|---|
Residential Zones | 30 feet | 15 feet |
Commercial, Public or Industrial Zones | 25 feet | 15 feet |
Common Name | Scientific Name | Mature Height | Canopy Spread | Minimum Park Strip Width | Overhead Powerlines | ||
|---|---|---|---|---|---|---|---|
4 feet | 8 feet | Yes | No | ||||
Accolade Elm | Ulmus japonica x wilsoniana 'Morton' | 70' | 60' | X | X | ||
Akebono Flowering Cherry | Prunus yedoensis | 25' | 25' | X | X | ||
American Hornbeam | Carpinus caroliniana | 20-30' | 20-30' | X | X | X | |
Amur Maackia | Maackia amurensis | 12-30' | 12-30' | X | X | X | |
Amur Maple | Acer ginnala | 20' | 20' | X | X | X | |
Anglo Yew | Taxus x media 'Hicksii' | 2-20' | 2-20' | X | X | X | |
Aristocrat Pear | Pyrus calleryana 'Aristocrat' | 40' | 28' | X | X | ||
Autumn Blaze Pear | Pyrus calleryana | 30' | 25' | X | X | ||
Autumn Brilliance Serviceberry | Amelanchier x grandiflora | 20' | 15' | X | X | X | |
Bigleaf Snowbell Tree | Styrax obassia | 35' | 25' | X | X | X | |
Blirelana Plum | Prunus x blireiana | 20' | 20' | X | X | X | |
Canada Red Chokecherry | Prunus virginiana 'Canada red' | 25' | 20' | X | X | ||
Capital Pear | Pyrus calleryana 'Capital' | 35' | 12' | X | X | ||
Chanticleer Pear | Pyrus calleryana 'Chanticleer' | 20-35' | 20' | X | X | X | |
Chokecherry | Prunus virginiana | 20-30' | 20' | X | X | X | |
Bur Oak | Quercus macrocarpa | 55' | 45' | X | X | ||
Cascara | Rhamnus Purshiana | 30' | 25' | X | X | X | |
Catalpa | Catalpa speciosa | 60' | 40' | X | X | ||
Centurion Crabapple | Malus 'Centurion' | 20' | 15' | X | X | X | |
Chancellor linden | Tilla cordata 'Chancole' | 35' | 20' | X | X | ||
Chinese Dogwood | Cornus kousa chinensis | 25' | 25' | X | X | ||
Chinese Elm | Ulmus parvifolia | 40-50' | 45' | X | X | ||
Chinese Flame Tree | Koelreuteria bipinnata | 20-30' | 20-30' | X | X | X | |
Chinese Tupelo | Nyssa sinensis | 40' | 30' | X | X | ||
Columnar Goldenrain | Koelreuteria paniculata | 30' | 6' | X | X | X | |
Columnar Siberian Crabapple | Malus Baccata | 30' | 10' | X | X | ||
Cornelian Cherry Dogwood | Cornus mas | 15-20' | 20-25' | X | X | X | |
Crabapple | Malus spp. | 10-25' | 20' | X | X | X | |
Crape Myrtle | Lagerstroemia cultivars | 20' | 20' | X | X | X | |
Crimson Cloud Hawthorn | Crataegus laevigata | 25' | 18' | X | X | X | |
Crimson Spire Oak | Quercus alba x Q. robur 'Crimschmidt' | 45' | 15' | X | X | ||
David's Maple | Acer davidii | 30' | 20' | X | X | ||
Dogwoods | Cornus spp. | 15-30' | 30' | X | X | X | |
Eastern Redbud | Cercis canadensis | 20-35' | 25-40' | X | X | ||
Edith Bogue Magnolia | Magnolia grandiflora | 30' | 15' | X | X | ||
English Oak | Quercus robur | 50-60' | 40' | X | X | ||
European Hornbeam | Carpinus betulus | 50' | 35' | X | X | ||
Forest Green Oak | Quercus frainetto 'Schmidt' | 50' | 30' | X | X | ||
Galaxy Magnolia | Magnolia 'Galaxy' | 35' | 25' | X | X | X | |
Glenleven Linden | Tilia cordata 'Gleneven' | 45' | 30' | X | X | ||
Glorybower Tree | Clerodendrum trichotomum | 20' | 20' | X | X | ||
Goldenrain Tree | Koelreuteria paniculata | 20-40' | 20-40' | X | X | ||
Green Vase Zelkova | Zelkova serrata 'Green vase' | 50' | 40' | X | X | ||
Hackberry | Celtis occidentalis | 60-80' | 40-60' | X | X | ||
Hedge Maple | Acer campestre | 30' | 25' | X | X | X | |
Jacquemontii Birch | Betula jacquemontii | 40' | 30' | X | X | ||
Japanese Hornbeam | Carpinus japonicus | 20-30' | 12-15' | X | X | X | |
Japanese Maple | Acer palmatum | 8-20' | 6' | X | X | X | |
Japanese Pagoda Tree | Sophora japonica | 50-70' | 50-70' | X | X | ||
Japanese Snowbell | Styrax japonicum | 20-30' | 25' | X | X | X | |
Japanese Tree Lilac | Syringa reticulata | 25' | 20' | X | X | X | |
June Snow Giant Dogwood | Cornus controversa 'June snow' | 40' | 30' | X | X | ||
Katsura Tree | Cercidiphyllum japonicum | 40-60' | 20-30' | X | X | ||
Legacy Sugar Maple | Acer saccharum 'Legacy' | 50' | 35' | X | X | ||
Lilacs | Syringa spp. | 6-20' | 6-20' | X | X | X | |
Little Leaf Linden | Tilia cordata | 30-50' | 30' | X | X | ||
Maidenhair Tree | Ginkgo biloba | 40-70' | 25-35' | X | X | ||
Metro Gold Hedge Maple | Acer campestre 'Panacek' | 30' | 25' | X | X | ||
Newport Plum | Prunus cerasifera | 20' | 20' | X | X | X | |
Norwegian Sunset Maple | Acer truncatum x Acer platanoides | 35' | 25' | X | X | ||
Pacific Sunset Maple | Acer truncatum x Acer platanoides | 30' | 25' | X | X | ||
Paperbark Maple | Acer griseum | 20-30' | 20-30' | X | X | X | |
Persian Parrotia | Parrotia persica | 35' | 20' | X | X | ||
Pin Oak | Quercus palustrus | 60-80' | 40' | X | X | ||
Pyramidal European Hornbeam | Carpinus betulus 'Fastigiata' | 40' | 25' | X | X | ||
Queen Elizabeth Maple | Acer campestre 'Evelyn' | 35' | 30' | X | X | ||
Red Baron Crabapple | Malus 'Red Baron' | 18' | 8' | X | X | X | |
Red Oak | Quercus rubra | 60-75' | 40' | X | X | ||
Red Maple | Acer rubrum | 40-50' | 40-50' | X | X | ||
Redmond Linden | Tilia americana 'Redmond' | 40' | 25' | X | X | ||
Redspire Pear | Pyrus calleryana 'Redspire' | 35' | 25' | X | X | ||
Red Sunset Maple | Acer rubrum 'Franksred' | 45' | 35' | X | X | ||
Rocky Mountain Glow Maple | Acer grandidentatum 'Schmidt' | 25' | 15' | X | X | X | |
Rocky Mountain Maple | Acer glabrum | 20-35' | 20-25' | X | X | X | |
Rocky Mountain White Oak | Quercus gambelli | 20-30' | 20-30' | X | X | X | |
Sango Kaku Japanese Maple | Acer Palmatum 'Sango Kaku' | 18' | 14' | X | X | X | |
Saratoga Ginkgo | Ginkgo biloba 'Saratoga' | 35' | 30' | X | X | ||
Saucer Magnolia/Tulip Tree | Magnolia x soulangiana | 15-30' | 25' | X | X | X | |
Sawtooth Oak | Quercus acutissima | 40' | 40' | X | X | ||
Scarlet Oak | Quercus coccinea | 50-80' | 45' | X | X | ||
September Goldenrain | Koelreuteria paniculata 'September' | 30' | 25' | X | X | ||
Smoke Tree | Cotinus coggygria | 10-15' | 15' | X | X | X | |
Snowcloud Serviceberry/Juneberry | Amelanchier laevis 'Snowcloud' | 25' | 15' | X | X | X | |
Sourwood | Oxydendrum arboreum | 35' | 20' | X | X | ||
Sterling Linden | Tilia tomentosa 'Sterling' | 45' | 35' | X | X | ||
Sunburst Honeylocust | Gleditsia triacanthos 'Sunburst' | 45' | 35' | X | X | ||
Swamp White Oak | Quercus bicolor | 45' | 45' | X | X | ||
Tatarian Maple | Acer tataricum | 20-25' | 20' | X | X | X | |
Tricolor Beech | Fagus sylvatica 'Purpurea Tricolor' | 35' | 25' | X | X | ||
Trident Maple | Acer buergeranum | 20-30' | 25-30' | X | X | X | |
Tulip Tree | Liriodendron tulipifera | 60' | 30' | X | X | ||
Turkish Filbert | Corylus colurna | 40' | 30' | X | X | ||
Village Green Zelkova | Zelkova serrata 'Village Green' | 40' | 38' | X | X | ||
Vine Maple | Acer circinatum | 20-25' | 20-25' | X | X | X | |
White Fringe | Chionanthus virginicus | 12-20' | 12-20' | X | X | X | |
Winged Sumac | Rhus copallinum | 15-25' | 15-25' | X | X | X | |
Yellow Wood | Cladrastis kentukea | 30-45' | 30-45' | X | X | ||
Zekova | Zekova serrata | 50-80' | 40-60' | X | X | ||
Street Cross-Section Standards (TSP Table 7-2) | |||||||
|---|---|---|---|---|---|---|---|
Classification | Right-of-Way | Streetscape | Travel Lanes | Bike Lanes | On-Street Parking | Sidewalks | Land-scaping |
Major Arterial1 | 80 feet | 73 feet | 2 travel + center turn lane or median | 6 feet | No | 6.5 feet | 5 feet |
Minor Arterial | 70 feet | 64 feet | 2 travel + center turn lane or median | 6 feet | No2 | 7 feet | No |
Ash Creek Drive | 80 feet | 64 feet | 2 | Yes3 | No2 | 6 feet3 | 6 feet3 |
Downtown STA1 | 70 feet | 68 feet | 2 | 5 feet | 8 feet, both sides | 10 feet | Tree well |
Major Collector | 60 feet | 48 feet | 2 | 6 feet | No2 | 6 feet | No |
Minor Collector | 60 feet | 52 feet4 | 2 | No | 8 feet, both sides | 6 feet | No |
Local Street | 60 feet | 48 feet | 2, unstriped | No | 8 feet, both sides | 6 feet | No |
Local Street PUD | 60 feet | 58 feet | 2, unstriped | No | 8 feet, both sides | 6 feet | 5 feet |
Local Street (Alternative) | 52 feet | 40 feet | 2, unstriped | No | 8 feet, one side | 6 feet | No |
Notes: |
|---|
1 Design of all State highways are subject to the design standards and guidelines in the ODOT Highway Design Manual. |
2 On-street parking can be provided on all City streets at the discretion of the Public Works Director. |
3 The Ash Creek Drive cross-section includes sidewalk and bike lane on the north side and a multi-use path on the south side, separated from the roadway by a 10-foot-wide natural buffer. |
4 Curb extensions are encouraged on minor collectors to encourage appropriate travel speeds. |
OR 99W and OR 51 Access Spacing Standards (TSP Table 7-3) | ||
|---|---|---|
Posted Speed | Spacing Standards1 | Spacing Standards for STA |
OR 99W – Regional Highway | ||
50 mph | 830 feet | N/A |
40 and 45 mph | 750 feet | N/A |
30 and 35 mph | 425 feet | N/A |
≤ 25 mph | 350 feet | N/A |
OR 51 – District Highway | ||
50 mph | 550 feet | N/A |
40 and 45 mph | 500 feet | N/A |
30 and 35 mph | 350 feet | 175 feet or mid-block2 |
≤ 25 mph | 350 feet | 175 feet or mid-block2 |
Notes: |
|---|
Spacing standards obtained from the Oregon Highway Plan (OHP). Consult the OHP for updates and addenda. |
1 Measurement of the approach road spacing is from the center on the same side of the roadway. |
2 Per the OHP, driveways are discouraged in STAs. However, "where driveways are allowed and where land use patterns permit, the minimum access management spacing for driveways is 175 feet or mid-block if the current block is less than 350 feet." |
Minimum Intersection Spacing Standards (TSP Table 7-4) | ||
|---|---|---|
Functional Classification | Public Street | Private Access Drive (feet) |
Local Street | 150 feet | 50 feet |
Minor Collector | 300 feet | 50 feet |
Major Collector | 300 feet | 100 feet |
Ash Creek Drive | 300 feet | 150 feet |
Minor Arterial | 350 feet or block length | 200 feet or mid-block |
Major Arterial1 | 350 feet or block length | 350 feet or block length |
Notes: |
|---|
1 Access standards identified in the Oregon Highway Plan supersede this table on all State highways. |
Private Access Driveway Width Standards (TSP Table 7-5) | ||
|---|---|---|
Land Use | Minimum | Maximum |
Single-Family Residential | 12 feet | 24 feet |
Multifamily Residential | 24 feet | 30 feet |
Commercial | 30 feet | 40 feet |
Industrial | 30 feet | 40 feet |
Figure 18.150.060-1 Pedestrian Pathway System (Typical) ![]() |
Figure 18.150.060-2 Pedestrian Walkway Detail (Typical) ![]() |
For the purpose of this definition "substantial improvement" is considered to occur when the first alteration of any wall, ceiling, floor, or other structural part of the building commences, whether or not that alteration affects the external dimensions of the structure. |
The term does not, however, include either: |