Montclair, 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 11 districts.
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What's in the Montclair dataset
Every field below is available for any Montclair parcel, on the map and through the AI.
Zoning
- District code & full name
- Parcel boundary & APN
- All 11 districts mapped
Building controls
- Maximum building height
- Floor area ratio (FAR)
- Front setback
- Side setback
Overlays, hazards & AI
- Flood hazard & environmental layers
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- Powered by live parcel data
Where uses are permitted in Montclair
Share of Montclair's zoned land where each use is permitted.
- Single-family
- 59.61%
- Multi-family
- 6.49%
- ADU
- 59.61%
- Two-family
- 8.41%
- Retail
- 27.09%
- Eating & drinking
- 17.74%
- Office
- 16.09%
- Hotel / motel
- 8.54%
- Industrial
- 15.94%
- Storage & warehouses
- 72.66%
Montclair, 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 |
|---|---|---|---|
AP Administrative Professional | - | 33.1 ac | Standards & uses → |
C2 Restricted Commercial | - | 57.3 ac | Standards & uses → |
C3 General Commercial | - | 295.4 ac | Standards & uses → |
HB-SP Holt Boulevard Specific Plan | - | 275.1 ac | Standards & uses → |
Showing 4 of 11 districts
Start from what you're trying to build
Each one runs against the live Montclair dataset and returns the districts, standards and approvals involved.
What should developers know about Montclair zoning?
Montclair is an Inland Empire city characterized by a heavy industrial and commercial spine layered over a predominantly single-family residential base. Single Family Residential (R1) is by far the largest district at 1,772 acres - but the next four largest districts are all commercial or industrial: General Commercial (C3, ~295 acres), Holt Boulevard Specific Plan (HB-SP, ~275 acres), Manufacturing Industrial (MIP, ~228 acres), and General Manufacturing (M2, ~191 acres). That commercial-industrial concentration makes Montclair one of the more manufacturing-active municipalities in its subregion, and the Holt Boulevard corridor is a notable planning focus with its own specific plan.
The residential fabric is fairly straightforward: R1 dominates, Multiple Family Residential (R3, ~225 acres) handles apartment density, and the smaller R2 (Two Family Duplex, ~66 acres) bridges the two. North Montclair Specific Plan (NM-SP, ~185 acres) adds a planned residential and mixed-use growth area. With only 11 total zoning districts, Montclair's code is compact - making it relatively legible for due diligence. Building controls cover FAR, lot area, density, coverage, perviousness, setbacks, and height, and the code uses an "Assorted" flag indicating that multiple control categories may apply within districts.
This is pre-development intelligence, not legal advice - verify with the local planning department before acquisition.
Montclair zoning: frequently asked questions
What does the Holt Boulevard Specific Plan area mean for development?
The HB-SP covers approximately 275 acres along Holt Boulevard, one of the city's primary commercial arterials. Specific plans in California typically establish their own land-use, design, and development standards that supersede the base zoning code - so buyers of HB-SP parcels should review the specific plan document directly for permitted uses, setbacks, and entitlement procedures. The corridor's size and arterial positioning make it relevant for retail, mixed-use, and transit-adjacent projects.
How significant is industrial land in Montclair?
Three industrial or manufacturing districts cover over 550 combined acres: Manufacturing Industrial (MIP, ~228 acres), General Manufacturing (M2, ~191 acres), and Limited Manufacturing (M1, ~132 acres). Together they represent a substantial share of the city's non-residential land base. This industrial capacity, combined with proximity to the 10 and 60 freeways, makes Montclair viable for logistics, light manufacturing, and flex-industrial uses.
What multifamily development opportunities exist in Montclair?
Multiple Family Residential (R3) covers roughly 225 acres, and the North Montclair Specific Plan (NM-SP, ~185 acres) includes a residential growth component. California's density bonus law and SB-9 apply citywide, potentially allowing additional units on R1 parcels. Developers targeting multifamily in Montclair should evaluate both R3 parcels and any rezoning opportunities within the NM-SP area, which was created to channel growth in an organized manner.
What commercial districts are available for retail and service businesses?
General Commercial (C3, ~295 acres) is the primary large-scale commercial zone and hosts most auto-oriented and general retail uses. Restricted Commercial (C2, ~57 acres) covers neighborhood-scale retail and services. Administrative Professional (AP, ~33 acres) supports office and medical uses. The Holt Boulevard Specific Plan adds another corridor-oriented commercial tier with its own standards.
How does SB-9 apply to Montclair's single-family residential areas?
California's SB-9 allows property owners to split qualifying R1 lots and build up to two units per resulting parcel - potentially four units on a single original parcel. Montclair's R1 district at 1,772 acres represents the bulk of the city's land area, so SB-9 and ADU rights have meaningful citywide impact on housing supply. Eligibility depends on parcel size, location relative to historic resources, and other state-defined criteria that should be confirmed with the city's planning counter.
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Zoning data is pre-development intelligence, not legal advice. Verify with the Montclair planning department before acquisition or design.