Portola, 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 10 districts.
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What's in the Portola dataset
Every field below is available for any Portola parcel, on the map and through the AI.
Zoning
- District code & full name
- Parcel boundary & APN
- All 10 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 Portola
Share of Portola's zoned land where each use is permitted.
- Single-family
- 85.31%
- Multi-family
- 18.37%
- ADU
- 81.05%
- Two-family
- 81.05%
- Retail
- 23.54%
- Eating & drinking
- 6.39%
- Office
- 6.39%
- Hotel / motel
- 4.59%
- Industrial
- 6.39%
- Storage & warehouses
- 6.39%
- Short-term rental
- 87.11%
Portola, 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 |
|---|---|---|---|
BP/LI Business Professional Light Industrial | - | 62.2 ac | Standards & uses → |
CC Core Commercial | - | 86.5 ac | Standards & uses → |
CMU Commercial Mixed Use | - | 72.8 ac | Standards & uses → |
HDR High Density Residential 8 To 12 Units Acre | - | 33.7 ac | Standards & uses → |
Showing 4 of 10 districts
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What should developers know about Portola zoning?
Portola is a small mountain city in Plumas County whose land base is defined overwhelmingly by low-density residential zoning. LDR (Low Density Residential, 1-5 Acre lots) covers 2,172.59 acres - by far the largest single district in the city - establishing a rural, estate-scale residential character across most of its footprint. MDR (Medium Density Residential at 444.15 acres) and Open Space (OS at 446.81 acres) are the next largest categories, together reinforcing that Portola's development envelope is constrained by terrain, lot standards, and preserved open land.
Commercial opportunities are concentrated in a compact core: Core Commercial (CC) covers 86.52 acres, Commercial Mixed Use (CMU) 72.78 acres, and Business Professional Light Industrial (BP/LI) 62.22 acres. Together these three zones account for Portola's entire commercial and employment base, with CMU being the most relevant for developers seeking retail-residential combinations or live-work configurations. The HDR (High Density Residential, 8-12 units per acre) zone at 33.7 acres is the city's only multifamily-capable designation of significant scale, making it a limited but targeted opportunity for apartment development in a city where most housing is detached single-family.
Building controls cover FAR, density, lot, coverage, setbacks, and height, but notably the city's data does not include an "assorted" or multi-unit specific overlay, suggesting standards follow a streamlined pattern rather than layered overlays. With its Feather River Valley setting and recreational access, Portola attracts short-term rental interest, but investors should verify local STR permitting standards given the tight residential zoning structure. This is pre-development intelligence, not legal advice - verify with the local planning department before acquisition.
Portola zoning: frequently asked questions
What does the Low Density Residential (LDR) designation mean for development in Portola?
LDR covers 2,172.59 acres and mandates lots in the 1-to-5-acre range, reflecting the city's rural mountain character. This effectively caps residential density across most of Portola's land area at low yields per acre. Projects that require smaller lot subdivisions or attached housing will need to target the MDR or HDR zones instead, as LDR is not suitable for conventional infill subdivision.
Where is multifamily housing feasible within Portola's zoning framework?
The HDR designation (8-12 units per acre, 33.7 acres) is the only zone that supports higher-density attached housing, and it is geographically limited. MDR at 444.15 acres permits moderate densities but is oriented toward single-family and small-lot residential. California ADU law applies to existing single-family parcels in LDR and MDR zones, providing an incremental density path even where new multifamily projects are not feasible.
How does the Commercial Mixed Use (CMU) zone function for investors?
CMU at 72.78 acres is Portola's most flexible commercial designation, intended for projects that combine retail, service commercial, and residential uses. It is adjacent to or overlapping with the Core Commercial (CC, 86.52 acres) district that anchors the town center. For mixed-use investors, CMU is the entry point - though at under 73 acres in a small city, the total development pipeline is modest and competitive.
What types of uses are possible in the Business Professional Light Industrial (BP/LI) zone?
BP/LI at 62.22 acres is designed for a blend of office, business park, and light industrial uses - the kind of employment zone suited to small manufacturing, contractor operations, and professional services that need more space or operational flexibility than a downtown storefront allows. In a mountain city like Portola, this zone may also accommodate outdoor storage and trades-oriented businesses with appropriate buffering.
Is Portola viable for short-term rental investment given its zoning structure?
Portola's recreational setting along the Feather River and proximity to mountain recreation areas makes it a natural candidate for STR activity. However, the dominant LDR and MDR residential zoning means most available inventory is single-family or small-lot residential. Investors should verify that the city's municipal code permits STRs in the applicable residential zone, as mountain resort communities increasingly regulate STR density and require annual permits.
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Zoning data is pre-development intelligence, not legal advice. Verify with the Portola planning department before acquisition or design.