Grass Valley, California Zoning Map
Zoning, overlays and hazards on every parcel — and an answer to what the code actually lets you build. Compiled from current zoning data for all 50 districts.
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What's in the Grass Valley dataset
Every field below is available for any Grass Valley parcel, on the map and through the AI.
Zoning
- District code & full name
- Parcel boundary & APN
- All 50 districts mapped
Building controls
- Maximum building height
- Floor area ratio (FAR)
- Front setback
- Side setback
Overlays, hazards & AI
- Flood hazard & environmental layers
- Ask the AI about any parcel
- Powered by live parcel data
Where uses are permitted in Grass Valley
Share of Grass Valley's zoned land where each use is permitted.
- Single-family
- 47.86%
- Multi-family
- 26.19%
- ADU
- 67.31%
- Two-family
- 19.46%
- Retail
- 36.09%
- Eating & drinking
- 43.54%
- Office
- 31.51%
- Hotel / motel
- 31.51%
- Industrial
- 14.84%
- Storage & warehouses
- 18.35%
- Short-term rental
- 35.72%
Grass Valley, California Zoning Districts: What Do They Mean?
Zoning districts are areas regulated by specific laws that determine land use, building types, and development rules. Each district below shows its zone type and which uses it permits.
| Zone Code | Category | Area | Details |
|---|---|---|---|
C-1 Community Business District | - | 2.3 ac | Standards & uses → |
C-2 Central Business District | - | 265.2 ac | Standards & uses → |
C-2/HFLD Central Business And Hills Flat Lumber District | - | 12.7 ac | Standards & uses → |
C-2/PD Central Business District And Planned Development | - | 4.8 ac | Standards & uses → |
Showing 4 of 50 districts
Start from what you're trying to build
Each one runs against the live Grass Valley dataset and returns the districts, standards and approvals involved.
What should developers know about Grass Valley zoning?
Grass Valley pairs a historic Sierra foothills downtown with a surprisingly deep industrial base, and its zoning map tells that story directly. Single Family Residential (R-1) is the dominant district at roughly 656 acres, anchoring the city's character as a low-density residential community, while the form-based Neighborhood General (NG-2, NG-3) and Neighborhood Center (NC, NC-FLEX) districts signal a planning framework built around walkable, mixed-intensity neighborhoods rather than conventional Euclidean separation.
For developers, the commercial and industrial picture is unusually layered for a city this size. The Central Business District (C-2) covers about 265 acres and is the largest non-residential category, with Heavy Commercial (C-3), a 108-acre Corporate Business Park (CBP), and a substantial industrial footprint - Light Industrial (M-1) at roughly 151 acres plus General Industrial (M-2) districts including a 179-acre Southeast Industrial District combining zone (M-2/SIDCZ). Several districts carry Planned Development (/PD) and combining-zone suffixes, so site-specific entitlements and overlay standards frequently govern what is actually buildable. Multifamily opportunity concentrates in R-2, R-2A, and R-3 (Multiple Family Residential), with R-2A appearing in multiple lot-size and mobile-home variants. This is pre-development intelligence, not legal advice - verify with the local planning department before acquisition.
Grass Valley zoning: frequently asked questions
Where is multifamily housing allowed in Grass Valley?
Multifamily development concentrates in the R-2 (Two Family Residential), R-2A (Medium Density Residential), and R-3 (Multiple Family Residential) districts, with R-2A appearing in several lot-size variants. The city also uses form-based Neighborhood General and Neighborhood Center Flex districts that contemplate a range of housing types. Confirm allowed density and whether a Planned Development overlay applies to your specific parcel.
What does Grass Valley's form-based zoning mean for a project?
Several districts use form-based labels such as Neighborhood General (NG-2, NG-3) and Neighborhood Center (NC, NC-FLEX) rather than traditional use-only categories. That generally shifts the review emphasis toward building form, frontage, and neighborhood fit. Expect design standards to drive entitlement outcomes, and review the applicable district standards early.
Does Grass Valley have meaningful industrial land for development?
Yes. The city carries a notable industrial base for its size, including Light Industrial (M-1) at about 151 acres, General Industrial (M-2), and a roughly 179-acre Southeast Industrial District combining zone (M-2/SIDCZ). There is also a 108-acre Corporate Business Park (CBP). Industrial users and flex/light-manufacturing developers have real options here.
What do the /PD and combining-zone suffixes on Grass Valley districts indicate?
Suffixes like /PD (Planned Development), /HFLD (Hills Flat Lumber District), and /SIDCZ (Southeast Industrial District Combining Zone) layer additional, site-specific standards on top of the base district. For parcels carrying these tags, the overlay or planned-development standards often control density, form, and permitted uses, so always read the combined regulations together.
How do California ADU laws apply to single-family parcels in Grass Valley?
State ADU statutes apply citywide and override conflicting local limits, so accessory dwelling units are broadly available on the city's large R-1 single-family base. SB-9 lot splits and two-unit projects may also apply on eligible single-family lots. Local objective standards still govern siting and design, so verify parcel-specific constraints with the planning department.
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Zoning data is pre-development intelligence, not legal advice. Verify with the Grass Valley planning department before acquisition or design.