Loomis Zoning Intelligence
Zoning, permitted uses, ADU rules, and development potential for Loomis, California. 19 districts analyzed.
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How is Loomis zoned?
Permitted uses vary by district. Search a Loomis parcel on the map above to see exactly what you can build there.
- Total zoning districts19
- Residential districts12
- Commercial districts4
- Industrial districts2
Statewide law - applies to all California cities, not specific to Loomis.
- California state ADU lawApplies statewide
- SB-9 lot split eligibilityPer parcel review
- SB-79 (transit-oriented housing)Near transit, from Jul 2026
- Density Bonus Law (state)Eligible projects
- Local impact / permittingVerify with Loomis planning
What should developers know about Loomis zoning?
Loomis is a small Placer County town with a distinctly rural-residential and large-lot character. The numbers make this unmistakable: Residential Agricultural (RA) covers roughly 2,290 acres and Residential Estate (RE) another 825 acres, together dominating the land base and pointing to estate-scale lots, equestrian uses, and limited subdivision potential. Rural Residential (RR) adds about 338 acres in the same vein. By contrast, the higher-density housing districts are tiny - High Density Residential (RH and RH-20) and the Medium Density categories (RM-3.5, RM-5) together total only a few dozen acres - so multifamily opportunity is scarce and concentrated.
Single-family land is organized by minimum lot size through the RS series (RS-5, RS-7, RS-10, RS-10A, RS-20), with RS-10 the largest of the group at roughly 328 acres. This lot-size-based structure tells a developer immediately how finely land can be divided in each pocket of town, and the prevalence of the larger RS-10 and RS-20 designations reinforces the low-density, semi-rural feel.
On the non-residential side, Loomis spreads its employment and commercial land across several focused districts: General Commercial (CG, about 187 acres) and Tourist Destination Commercial (CT, roughly 114 acres) are the largest, complemented by Central Commercial (CC), Office Commercial (CO), Light Industrial (IL), and Limited Industrial (ILT). The town applies the full range of building controls - FAR, density, lot size and width, coverage, pervious area, height, and setbacks - so even in commercially zoned areas, intensity is shaped as much by these standards as by use. This is pre-development intelligence, not legal advice - verify with the local planning department before acquisition.
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Try ArchiWise free →Loomis, 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 | Zone Type | Permitted Uses | Area |
|---|---|---|---|
CC Central Commercial | - | - | 70.1 ac |
CG General Commercial | - | - | 186.9 ac |
CO Office Commercial | - | - | 39 ac |
CT Tourist Destination Commercial | - | - | 114.4 ac |
What are the building controls in Loomis?
Setback, height, FAR, lot area, and density controls enforced across Loomis zoning districts.
- Assorted
- Far control
- Lot control
- Multi control
- Density control
- Coverage control
- Pervious control
- Lot width control
- Rear setback control
- Side setback control
- Front setback control
- Building height control
Cities near Loomis
Loomis zoning: frequently asked questions
What kind of residential development does Loomis zoning support?
The town is overwhelmingly large-lot and rural-residential: Residential Agricultural (RA) covers about 2,290 acres and Residential Estate (RE) another 825 acres, with the single-family RS series organized by minimum lot size. Higher-density multifamily land (the RH and RM districts) totals only a few dozen acres combined, so apartment and townhome sites are limited and should be targeted specifically.
How is single-family land divided in Loomis?
Single-family parcels fall under the RS series, where the numeric suffix signals the minimum lot size - RS-5, RS-7, RS-10, RS-10A, and RS-20. RS-10 is the largest at roughly 328 acres. The structure makes subdivision potential transparent: a higher number means larger required lots and fewer units per acre.
Does Loomis have land set aside for tourism or destination commercial uses?
Yes. The Tourist Destination Commercial (CT) district covers about 114 acres, distinct from the everyday retail of General Commercial (CG, roughly 187 acres) and the downtown-scale Central Commercial (CC). If you are evaluating hospitality, visitor-serving, or destination retail concepts, CT is the purpose-built designation to target.
Is there room for industrial or flex projects in Loomis?
Loomis maintains two industrial categories - Light Industrial (IL) at about 127 acres and Limited Industrial (ILT) at roughly 38 acres. The 'limited' designation typically constrains intensity and outdoor uses more tightly than standard light industrial, so confirm which classification a site carries before planning manufacturing, warehousing, or contractor-yard uses.
How do state ADU rules play out on Loomis's large rural lots?
Because so much of Loomis is RA, RE, and large-lot RS land, generous parcel sizes can make accessory dwelling units and junior ADUs attractive ways to add a unit without subdividing. State ADU law applies, but the town's setback, coverage, and pervious-area controls and any rural-residential standards still shape what fits. Verify the applicable objective standards and any septic or well constraints before counting on added units.
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Zoning data is pre-development intelligence, not legal advice. Verify with the Loomis planning department before acquisition or design.