Washington County Unincorporated, Oregon

Last Reviewed

21st Aug 2025

Date Published

10th Mar 2025

The following data is available for this address

Compliance Review

Use Compliance Review
Dimensional Standards Review

Zoning

Zone Code
Zone Name
Zone type
Zone sub type
Zone guide
Link
City name

Permitted Uses

Prohibited
As of right
Accessory uses

Building Controls

Assorted
Far control
Lot control
Multi control
Density control
Coverage control
Pervious control
Lot width control
Rear setback control
Side setback control
Front setback control
Building height control

Parking Requirements

Medical
Uncategorized
Communal Housing
Personal Services
Professional Office
Storage and Warehouses
Accessory Dwelling Unit
Dwellings (Unspecified)
Schools and Universities
Transportation Facilities and Infrastructure

Largest Zones in Washington County Unincorporated, OR

The Zoning Map for the City of Washington County Unincorporated in OR divides the city’s real estate into zones differentiated according to land use and building regulations.

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Explore the zoning map of Washington County Unincorporated, OR along with its permitted land uses and development standards

Zoning Map Extract
List of Permitted Land Uses
Zoning Classification Guide
Zoning Classification
Development Controls
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What is the Land Use Allocation in Washington County Unincorporated, OR?

The following table illustrates how land is allocated for various uses within Washington County Unincorporated, OR as defined by city ordinances.

Permitted Use Type	Permitted Use Sub Type	Percentage	Area(sq. m)
Mechanical		99.60%	813590.16
	Utility structures	99.38%	811823.14
	Communication towers	99.60%	813590.16
Agriculture		99.47%	812568.43
	Agricultural and hunting	99.47%	812568.43
Retail		42.57%	347709.10
	Eating and drinking establishments	38.31%	312958.97
	Restricted retail	88.35%	721686.51
	Professional services	0.11%	899.45
	General retail	0.55%	4474.30
	Personal services	42.57%	347709.10
Community		99.40%	811947.89
	Medical	9.67%	78977.57
	Public, quasi-public, and government	99.60%	813590.16
	Schools and universities	44.25%	361472.96
	Transportation facilities and infrastructure	99.40%	811947.89
Parking		99.38%	811821.89
	Parking garage or lot	99.38%	811821.89
Industrial		55.26%	451438.18
	Contractors office	98.99%	808599.76
	Mining, excavation and resource extraction	99.38%	811821.89
	Mills, plants, and other processing facilities	88.74%	724881.53
	Storage and warehouses	99.44%	812324.19
	Manufacturing	33.07%	270104.61
	General industrial	55.26%	451438.18
Residential		99.03%	808931.02
	Two family dwelling	2.18%	17785.85
	Dwellings (unspecified)	92.35%	754351.65
	Communal housing	37.62%	307333.12
	Mobile and floating homes	8.78%	71743.05
	Accessory dwelling unit	38.59%	315205.41
	Multi family dwelling	4.27%	34919.12
	Single family dwelling	99.03%	808931.02
Other		99.60%	813590.16
	Signage	3.22%	26292.02
	Accessory	99.60%	813590.16
	Temporary uses	98.43%	804027.94
	Multiple	99.58%	813400.14
	Uncategorized	99.60%	813590.16
Lodging		0.09%	746.54
	Bed & breakfast	9.28%	75845.86
	Hotel/motel	0.09%	746.54
Commercial		88.33%	721541.54
	Professional office	1.02%	8312.26
	General commercial	0.05%	389.79
	Entertainment	5.15%	42076.31
	Non-retail sales	0.01%	117.87
	Automobile related uses	0.11%	869.44
	Research and laboratory facilities	88.33%	721541.54