Grass Valley Office Professional (OP) Zone Regulations
The OP: Office Professional zoning designation in the City of Grass Valley is primarily intended to accommodate the office and institutional needs of the community that cannot be appropriately sited within the downtown core [Section 17.24.020.D]. Development in this district is characterized by professional services, medical facilities, and high-quality administrative offices, with residential components permitted through mixed-use projects or accessory dwelling units [Section 17.24.020.D].
Allowed Land Uses: Office Professional (OP) District
In the City of Grass Valley, land uses within the OP: Office Professional zone are categorized as Permitted (P), allowed via a Minor Use Permit (MUP), or allowed via a Use Permit (UP).
Administrative, Business, and Professional Uses (Permitted)
The primary function of the Grass Valley OP district is to support professional and administrative activities. The following uses are permitted by right:
- Automated Teller Machines (ATMs) and Bank/Financial Services [Table 2-10].
- Business Support Services and Business/Service Offices [Table 2-10].
- Medical Services, including Doctor Offices and Clinics/Urgent Care [Table 2-10].
- Government Offices and Corporate Headquarters [Table 2-10].
- Office Processing and Professional/Administrative Offices [Table 2-10].
- Research and Development (R&D) and Medical/Analytical Laboratories [Table 2-10].
- Social Service Organizations [Table 2-10].
Residential and Institutional Uses
Residential integration is permitted in the Grass Valley OP district to provide housing variety near professional centers:
- Permitted (P): Accessory Dwelling Units (ADUs), Live/Work Units, and the residential component of a Mixed-Use Project [Table 2-10].
- Use Permit (UP) Required: Home Occupations, Residential Accessory Structures, Residential Care (all sizes), Rooming or Boarding Houses, and Transitional/Supportive Housing [Table 2-10].
- Institutional (UP) Required: Libraries, Museums, Art Galleries, Meeting Facilities (public or private), Schools (public, private, or specialized), and Public Safety Facilities [Table 2-10].
Retail and Service Uses
Retail in the OP zone is strictly limited to ensure the professional character of the district is maintained:
- Permitted (P): Pharmacies and Antique/Collectable Stores [Table 2-10].
- Minor Use Permit (MUP) Required: Artisan Shops [Table 2-10].
- Use Permit (UP) Required: Office-Supporting Retail, Restaurants, Cafes, Coffee Shops, and Hotels/Motels [Table 2-10].
- Operational Requirement: All sales, displays, and storage must be conducted within an entirely enclosed building unless a site plan specifically approves outdoor use [Section 17.24.050.B].
Prohibited Uses
Uses that conflict with the professional and institutional nature of the Grass Valley OP zone are prohibited. Prohibited uses include, but are not limited to:
- Agricultural & Resource: Crop production, animal keeping, and agricultural accessory structures [Table 2-10].
- Industrial: All heavy, medium, and light manufacturing or processing (except for R&D/Labs), printing/publishing, recycling facilities, and warehousing [Table 2-10].
- Retail: General retail, drive-through facilities, auto/vehicle sales, gas stations, fuel dealers, and building/landscape material sales [Table 2-10].
- Services: Vehicle services (repair/body work), maintenance services (client site), and restricted personal services (pawnshops, psychics, etc.) [Table 2-10].
Technical Development Standards
New structures and site improvements in the Grass Valley OP zone must adhere to specific density, setback, and height limitations.
Site Planning and Building Standards
| Development Feature | Requirement for OP Zone |
|---|---|
| Maximum Residential Density | 15 units per acre [Table 2-12] |
| Minimum Lot Area/Width | None required [Table 2-12] |
| Front Setback | 15 feet [Table 2-12] |
| Side Setback (Interior) | 10 feet on sites abutting a residential use; none elsewhere [Table 2-12] |
| Side Setback (Street side) | 20% of lot width (maximum of 15 feet) [Table 2-12] |
| Rear Setback | 10 feet on sites abutting a residential use; none elsewhere [Table 2-12] |
| Maximum Height Limit | 50 feet and 4 stories [Table 2-12] |
| Site Coverage | No limitation other than as required for landscaping [Table 2-12] |
Off-Street Parking Requirements
Parking ratios are determined by the specific use type within the OP district to ensure adequate onsite facilities.
| Land Use Category | Vehicle Spaces Required |
|---|---|
| General Office / Professional | 1 space for each 250 square feet [Table 3-3] |
| Medical Clinic / Doctor Office | 1 space for each 250 square feet OR 4 spaces per doctor (whichever is greater) [Table 3-3] |
| Hospitals | 1 space for each bed, plus 1 space for each 500 square feet [Table 3-3] |
| Day Care Center | 1 space per employee, plus 1 space for each 10 children [Table 3-3] |
| Bank / Financial Services | 1 space for each 200 square feet, plus 4 tandem stacking spaces for each drive-up window [Table 3-3] |
Sections Cited
- Section 17.24.020 (Purposes of commercial and industrial zones)
- Section 17.24.050 (Additional commercial and industrial zone standards)
- Table 2-10 (Allowed Land Uses and Permit Requirements for Commercial and Industrial Zones)
- Table 2-12 (OP and CBP Zone Development Standards)
- Table 3-3 (Parking Requirements by Land Use)