Off-Street Parking Standards for the OP: Office Professional District in Grass Valley
In the OP: Office Professional district of the City of Grass Valley, non-residential developments such as professional offices and medical clinics generally require one parking space for every 250 square feet of floor area. Residential uses within the OP: Office Professional zone typically require one to two covered parking spaces per unit depending on the number of bedrooms, plus additional guest parking for multi-unit projects. All parking facilities must be permanent, maintained for the life of the project, and meet specific dimensional standards to ensure public safety and convenience within the City of Grass Valley [Section 17.36.010, Section 17.36.030].
Residential Parking Requirements in the OP District
Residential projects in the City of Grass Valley OP: Office Professional district, including mixed-use components and residential care facilities, must provide off-street parking according to the following ratios:
| Residential Land Use Type | Minimum Vehicle Spaces Required |
|---|---|
| Multi-unit Housing (Studio and 1-bedroom) | 1 covered space per unit, plus 1 space per 5 units for guests |
| Multi-unit Housing (2-bedroom and larger) | 2 covered spaces per unit, plus 1 space per 5 units for guests |
| Live/Work Unit (Residential Portion) | 2 spaces per unit |
| Residential Care Facility | 1 space for each 2 residential units, plus 1 space for each 4 units for guests and employees |
| Accessory Dwelling Unit (ADU) | 1 space for each studio or 1-bedroom; 2 spaces for more than 1 bedroom (may be tandem) |
| Rooming or Boarding House | 1 space for each 100 square feet (based on general assembly/club rate) |
[Section 17.36.040, Table 3-3]
Commercial and Professional Parking Requirements in the OP District
The OP: Office Professional district is primarily intended for administrative, professional, and medical services. The City of Grass Valley requires the following parking ratios for these specific commercial uses:
| Commercial/Service Land Use Type | Minimum Vehicle Spaces Required |
|---|---|
| Office (Professional, administrative, business, service) | 1 space for each 250 square feet of floor area |
| Medical Services (Clinic, urgent care, doctor office) | 1 space for each 250 square feet OR 4 spaces per doctor (whichever is greater) |
| Medical Services (Extended care/Nursing home) | 1 space for each 3 beds or patients licensed for the facility |
| General Retail (e.g., Pharmacy) | 1 space for each 250 square feet of floor area |
| Banks and Financial Services | 1 space for each 200 square feet of floor area, plus 4 tandem stacking spaces per drive-up lane |
| Restaurant, Cafe, Coffee Shop | 1 space for each 60 square feet of dining area |
[Section 17.36.040, Table 3-3]
General Standards and Calculations
The City of Grass Valley applies several universal rules for calculating and locating parking in the OP: Office Professional district:
- Fractional Numbers: If a parking calculation results in a fractional number, any fraction of one-half (0.5) or above requires one additional full parking space [Section 17.36.040.I].
- Location: Residential parking must be located on the same parcel as the unit it serves. Non-residential parking must also be on the same parcel, though the Community Development Director may allow parking within 300 feet of the site through a Minor Use Permit [Section 17.36.090.C].
- Setbacks: In the OP: Office Professional zone, non-residential parking is strictly prohibited within the required front setback area [Section 17.36.090.C.3].
- Compact Spaces: In non-residential projects, up to 20% of the required parking spaces may be designated for compact vehicles (minimum 8' x 16') and must be clearly labeled [Section 17.36.090.D.4].
Parking Space and Lot Dimensions
All standard parking spaces in the City of Grass Valley must adhere to the following minimum dimensions:
| Parking Angle | Space Width | Space Depth (Measured Perpendicular to Aisle) | Aisle Width (One-Way) | Aisle Width (Two-Way) |
|---|---|---|---|---|
| Parallel | 9 ft. | 9 ft. | 12 ft. | 24 ft. |
| Perpendicular (90°) | 9 ft. | 18 ft. | 24 ft. | 24 ft. |
| 60° Angle | 9 ft. | 22 ft. | 18 ft. | N/A |
| 45° Angle | 9 ft. | 20 ft. 6 in. | 14 ft. | N/A |
[Table 3-5]
Sections Cited
- Section 17.36.010 - Purpose (Parking and Loading)
- Section 17.36.030 - General parking regulations
- Section 17.36.040 - Number of parking spaces required
- Table 3-3 - Parking Requirements by Land Use
- Section 17.36.090 - Parking design and development standards
- Table 3-5 - Standard Vehicle Space Requirements