Placer County — Land Use

Last reviewed: July 6, 2026

Overview

This page explains how Placer County’s zoning ordinance (Title 17) regulates land use in the unincorporated areas of Placer County. Land uses are governed by base zoning districts, “combining” (overlay) districts, and specific use standards. Every new or changed use must be listed as allowable in the applicable district, meet any required land use permit, and comply with development standards like setbacks and height. See the county’s zoning maps to confirm your parcel’s base zone and any overlays.

The single most important rule: no land use may be established in unincorporated areas unless it is identified as allowable for the site’s zone/overlay and you obtain any required land use permit under § 17.06.030 .

How Placer County organizes land use

• Base districts are established in § 17.06.010 and mapped under § 17.06.020; allowable uses and permit types are set by the countywide land use tables in § 17.06.050, and detailed zone-by-zone regulations in § 17.06.060 and Articles 17.08–17.52 .
• Permits in the tables mean: A (allowed use, zoning compliance), C (zoning clearance), ARP, MUP, CUP, each defined in Article 17.58 and summarized in § 17.06.050 notes .
• Some areas (e.g., the Tahoe Basin and adopted community/specific plans) have special standards or separate implementing regulations; Title 17 explains when those supersede or defer to the countywide rules in § 17.02.030 and § 17.51.010 .

Use the sections below to see what’s typically allowed in each district family, with code references to verify specifics. For setbacks, height, lot size, and design details, also see development standards and design review.

Permit types used in the Land Use Tables

• A: Allowed use (zoning compliance only) per § 17.06.050.
• C: Zoning clearance per § 17.06.050.
• ARP: Administrative Review Permit (minor impacts) per Article 17.58; see § 17.06.050 notes .
• MUP: Minor Use Permit per § 17.58.120; see § 17.06.050 notes .
• CUP: Conditional Use Permit per § 17.58.130; see § 17.06.050 notes .

District-by-district standards and typical uses (unincorporated areas)

Below are the base districts listed in § 17.06.010 and what the ordinance shows about purpose, typical allowed uses, and selected standards. Always confirm your parcel’s overlay (“combining”) districts; overlays can change what’s allowed or the required permit level (see overlay districts).

Residential districts

RS — Residential Single-Family

• Purpose: Provide areas of attached/detached single-family homes in standard subdivisions per § 17.50.010(A) .
• Typical permitted uses: Single-family dwellings; accessory and junior ADUs with zoning clearance under § 17.56.200; limited duplex/triplex/fourplex only via density bonus or state law per § 17.54.120(E) and Government Code 65852.21; see RS table in § 17.50.010(B) .
• Selected standards: Front 20 ft, street-side 10 ft, sides total 15 ft (min 5 ft one story; 7.5 ft two+ stories), rear 10–20 ft by stories; site coverage 40%; typical height 30 ft with special rear-height stepdown and exceptions in § 17.54.020; see § 17.50.010(E) and notes .
• Where it applies: As mapped by zoning; Tahoe Basin may have different height/coverage standards per RS notes and TRPA, see § 17.50.010 notes .

RM — Multifamily Residential

• Purpose/standards: Not found in retrieved materials.
• Allowable uses: Governed by § 17.06.050 tables; verify for your site .

RM30 — High-Density Multifamily

• Purpose: Implement higher-density multifamily; density by-right where affordable housing thresholds are met.
• Typical permitted uses: Multifamily and mixed-use residential; senior housing with streamlined permitting per table notes; see RM30 notes and table excerpts under § 17.06.050 .
• Selected standards: Minimum net density 20 du/ac; maximum 30 du/ac; site and building standards in the county’s Multifamily and Mixed Use Design Manual; no minimum parcel size; see Article 17.38/RM30 references in § 17.06.060 and RM30 text .
• Where it applies: As mapped; confirm any overlays.

RA — Agricultural Residential

• Purpose: Rural residential with agricultural characteristics (in code family, not quoted here).
• Typical permitted uses: Single-family dwellings (density limited to minimum lot area), accessory and junior ADUs per § 17.56.200; agricultural accessory uses (see specific use standards).
• Selected standards: Front 50 ft, street-side 30 ft, side 30 ft, rear 30 ft; site coverage 35%; height 36 ft (with exceptions in § 17.54.020); see RA article standards (table) .
• Where it applies: As mapped; fire-safe setbacks may apply on larger lots (see notes referencing Title 14 CCR § 1276.01) .

RF — Residential-Forest

• Purpose: Rural residential living in forested/mountain/foothill settings per § 17.46.010(A) .
• Typical permitted uses/standards: Not found in retrieved materials.

Commercial and mixed-use districts

C1 — Neighborhood Commercial

• Purpose: Neighborhood-scale shopping/services compatible with nearby homes; encourage walk/bike access per § 17.30.010(A) .
• Typical permitted uses: Small retail, personal services, restaurants, community facilities with MUP/CUP as noted; selected agriculture-related retail (nurseries) with MUP; see § 17.30.010(B) and land use table rows under § 17.06.050 .
• Selected standards: See zone notes; where residential uses occur in commercial zones, minimum setbacks apply (e.g., 10 ft front/street-side; see general commercial notes) .

C2 — General Commercial

• Purpose/uses/standards: Not found in retrieved materials.

C3 — Heavy Commercial

• Purpose: Intensive service commercial, often non-retail, with outdoor storage/activity; limited retail/office allowed if compatible per § 17.24.010(A) .
• Typical permitted uses: Agricultural processing (C), select manufacturing/processing, plant nurseries, and resource-related uses; see § 17.24.010(B) and § 17.06.050 .
• Selected standards: Not found in retrieved materials (use general standards in Articles 17.54 and 17.56).

MU — Mixed Use

• Purpose: Combine residential and commercial in a walkable pattern; certain uses follow C1 standards by note.
• Typical permitted uses: Offices, retail, restaurants (C/MUP), live/work and mixed-use residential (C), hotels (C), and more; selected uses reference C1 regulations; see MU table under § 17.06.050 and notes .
• Selected standards: Front 10 ft (signs 5 ft), street-side 5 ft, sides and rear 0–5 ft, site coverage 80%, height 50 ft; see MU article standards (table) .
• Where it applies: As mapped; residential-in-commercial setback note applies in mixed areas .

CPD — Commercial Planned Development

• Purpose/uses/standards: Not found in retrieved materials.

HS — Highway Services

• Purpose/uses/standards: Not found in retrieved materials.

OP — Office and Professional

• Purpose/uses/standards: Not found in retrieved materials.

RES — Resort

• Purpose/uses/standards: Not found in retrieved materials.

Industrial, business, and transportation districts

IN — Industrial

• Purpose/uses/standards: Not found in retrieved materials.

INP — Industrial Park

• Purpose: Light industrial and compatible office/commercial in a campus-like setting; emphasize quality design/landscaping per § 17.42.010(A) .
• Typical permitted uses: Manufacturing/assembly (permit level varies), R&D, small-scale manufacturing (C), and certain resource/commercial uses; CUP is required for manufacturing/processing on 10+ acre sites per § 17.42.010(C)(1); see tables under § 17.06.050 .
• Selected standards: Front 30 ft, street-side 15 ft, side 15 ft, rear 10 ft, site coverage 50%, height 50 ft per § 17.42.010(E) .

BP — Business Park

• Purpose/uses/standards: Not found in retrieved materials.

AP — Airport

• Purpose: Ensure uses support and are compatible with airport operations per § 17.36.010(A) .
• Typical permitted uses: Airfield-related industry (often MUP/CUP), caretaker housing (C), printing/publishing (MUP), small-scale manufacturing (C); see § 17.36.010(B) and specific-use standards for airfields in § 17.56.040 .
• Selected standards: On aircraft-operation sites—front 50 ft, sides/rear 30 ft, site coverage 15%, height 36 ft. For other AP sites—front 20 ft, sides/rear 10 ft, coverage 35%, height 36 ft; see § 17.36.010(D) tables and notes referencing § 17.54.140 and § 17.54.020 .
• Special notes: The county may establish overflight height limits using the -AO overlay when approving CUPs for public-use airports per § 17.56.040(B)(3) .

MT — Motel District

• Purpose/uses/standards: Not found in retrieved materials.

Agricultural, resource, and open-space districts

AE — Agricultural Exclusive

• Purpose: Preserve and protect economically viable agricultural lands; limit incompatible non-agricultural uses per § 17.08.010(A) .
• Typical permitted uses: Crop production (A), grazing/forestry (A), equestrian (A/C per standards), agricultural processing (MUP), plant nurseries (MUP), wineries (per § 17.56.330), resource extraction (CUP); see § 17.08.010(B) and § 17.06.050 .
• Selected standards: Not found in retrieved materials.

F — Farm

• Purpose/uses/standards: Not found in retrieved materials.

FOR — Forestry

• Purpose/uses/standards: Not found in retrieved materials.

O — Open Space

• Purpose/uses/standards: Not found in retrieved materials.

TPZ — Timberland Production

• Purpose/uses/standards: Not found in retrieved materials.

W — Water Influence

• Purpose/uses/standards: Not found in retrieved materials.

Specific Plan District

SPL — Specific Plan

• Purpose: Allows unique, plan-specific zoning and standards adopted by ordinance; the specific plan controls permitted uses and all development standards in the plan area per § 17.51.010(A)–(E) .
• Where it applies: Areas adopted by ordinance and shown on zoning maps with SPL and plan name (e.g., SPL‑PVSP) per § 17.51.010(D) .

Overlay (“combining”) districts that affect land use

Combining districts are applied on top of a base zone to address special conditions; when they conflict with base-zone regs, the combining district controls per § 17.52.010(C) .

• -AG Agriculture: Adds allowances for keeping/raising animals and related activities in certain residential areas; permit levels are listed in § 17.52.020 with cross-references to § 17.06.030 and Article 17.56 .
• -UP Use Permit Required: All uses require a MUP or CUP regardless of base zone per § 17.52.050 .
• -DL Density Limitation: Caps residential density (e.g., -DL 0 prohibits residential uses) and can set minimum lot sizes per § 17.52.060(C); density bonuses still apply per § 17.54.120 .
• -PD Planned Residential Development: Enables PD density/intensity factors and open space; see PD design standards and sample density computation in § 17.54.100 and related exhibits .
• Design Review (-Dc, -Dh, -Ds): Triggers design review for qualifying projects; applications often reference § 17.52.070 (cited in newer sections) .
• Other combining districts listed in § 17.06.010(B) include -AO (Aircraft Overflight), -B (Building Site), -DR (Development Reserve), -FH (Flood Hazard), -GH (Geological Hazard), -MR (Mineral Reserve), and -TM (Traffic Management) .

Selected quick standards and use allowances

Note: Where a district/standard isn’t listed above, consult the county tables in § 17.06.050 and the applicable zone article, then check parking and development standards. Mixed or residential uses inside commercial districts trigger minimum residential setbacks noted in commercial zone footnotes (e.g., 10-ft front, 5-ft side/rear) under § 17.06.060 notes .

How to read the land use tables

• Find your base zone(s) and any overlays on the zoning map; then read across the § 17.06.050 table to see if your use is A, C, ARP, MUP, or CUP in that zone. The same tables include cross-references to any specific-use standards (Article 17.56) you must meet (e.g., wineries at § 17.56.330; ADUs at § 17.56.200) .
• If an overlay like -UP applies, all uses require a discretionary permit even if the base zone would have allowed them by right (§ 17.52.050) .
• If -DL appears with a number, that’s the maximum dwelling units per acre allowed; -DL 0 prohibits residential use (§ 17.52.060(C)) .

Checklist

• Confirm you’re in the unincorporated county (incorporated cities use their own codes).
• Look up your base zoning district and any overlays on the county map (see § 17.06.010–.020) .
• Identify whether your intended use is listed in the § 17.06.050 land use table for your zone and note the permit type (A/C/ARP/MUP/CUP) .
• Check any cross-referenced specific-use standards in Article 17.56 (e.g., ADUs in § 17.56.200, event centers in § 17.56.340) .
• Verify base-zone dimensional standards (setbacks, height, coverage) in the zone article and Articles 17.54–17.56; coordinate with parking ratios if applicable .
• If you’re in a -DL, -UP, -AG, -PD, or design-review overlay, add those requirements; see § 17.52.010 and overlay-specific sections .
• If the site is within an adopted community/specific plan (e.g., Tahoe Basin, SPL areas), confirm whether the plan’s implementing regulations supersede Title 17 under § 17.02.030 and § 17.51.010 .
• For residential intensification (e.g., duplex/fourplex), check § 17.54.120 and state law requirements; also see California ADU law references where relevant.
• If your existing use is nonconforming, review nonconforming uses for change/expansion limits (see § 17.60.120 et seq. cited in § 17.02.030(E)) .
• If you need relief from a standard, see variances and exceptions and § 17.60.105(A) references in zone notes .

Risks & Ambiguities

Plain-English Summary

In unincorporated Placer County, what you can do on your land is set by your base zone and any overlays. Start with the county land use table to see if your use is allowed (and whether you need a clearance or permit), then confirm setbacks, height, and any special rules like ADU standards. Overlays like -UP and -DL, and areas governed by specific plans, can change the rules—so always check the map and the applicable sections before you design or apply.

Source References

• Title 17 applicability and community/specific plan exceptions: § 17.02.020–.030
• Districts established and maps: § 17.06.010–.020
• Allowable land uses and permit tables; permit type definitions: § 17.06.030, § 17.06.050 notes
• Zone district regulations framework: § 17.06.060
• RS district purpose/uses/standards: § 17.50.010 (incl. notes)
• RA district standards: RA article (setbacks/coverage/height table)
• RF district purpose: § 17.46.010(A)
• RM30 density/standards: RM30 article text and notes
• C1 purpose/uses: § 17.30.010
• C3 purpose/uses: § 17.24.010
• MU uses/standards: MU article/notes and § 17.06.050 table excerpts
• INP purpose/uses/standards: § 17.42.010
• AP purpose/uses/standards: § 17.36.010; Airfields/heliports specific use: § 17.56.040
• AE purpose/uses: § 17.08.010
• Combining districts framework and key overlays: § 17.52.010–.060; -UP and -DL specifics; -AG allowances; PD standards § 17.54.100

Also see related county pages: Development Standards, Parking, Design Review, Overlay Districts, Nonconforming Uses, and relevant state context like the California Building Standards Code and California ADU law.

Retrieved passages

• Placer County Zoning Code (section are) High relevance show source text
• Placer County Zoning Code (§ 26) High relevance show source text
• Placer County Zoning Code (Article 17.52.) High relevance show source text
• Placer County Zoning Code High relevance show source text
• Placer County Zoning Code (Article 17.58) High relevance show source text
• Placer County Zoning Code (§ 17.02.020.) High relevance show source text
• Placer County Zoning Code High relevance show source text
• Placer County Zoning Code High relevance show source text
• Placer County Zoning Code (Chapter 16) High relevance show source text
• Placer County Zoning Code (Title 14) Medium relevance show source text
• Placer County Zoning Code (section the) Medium relevance show source text
• Placer County Zoning Code (Chapter 16) Medium relevance show source text
• Placer County Zoning Code (Title 14) Medium relevance show source text
• Placer County Zoning Code (§ 17.06.060.) Medium relevance show source text

Cited sections

• Title 17 applicability and community/specific plan exceptions: **§ 17.02.020–.030** (Title 17)
• Districts established and maps: **§ 17.06.010–.020** (§ 17.06.010)
• Allowable land uses and permit tables; permit type definitions: **§ 17.06.030**, **§ 17.06.050** notes (§ 17.06.030)
• Zone district regulations framework: **§ 17.06.060** (§ 17.06.060)
• RS district purpose/uses/standards: **§ 17.50.010** (incl. notes) (§ 17.50.010)
• RA district standards: RA article (setbacks/coverage/height table)
• RF district purpose: **§ 17.46.010(A)** (§ 17.46.010)
• RM30 density/standards: RM30 article text and notes (article text)
• C1 purpose/uses: **§ 17.30.010** (§ 17.30.010)
• C3 purpose/uses: **§ 17.24.010** (§ 17.24.010)
• MU uses/standards: MU article/notes and **§ 17.06.050** table excerpts (§ 17.06.050)
• INP purpose/uses/standards: **§ 17.42.010** (§ 17.42.010)
• AP purpose/uses/standards: **§ 17.36.010**; Airfields/heliports specific use: **§ 17.56.040** (§ 17.36.010)
• AE purpose/uses: **§ 17.08.010** (§ 17.08.010)
• Combining districts framework and key overlays: **§ 17.52.010–.060**; **-UP** and **-DL** specifics; **-AG** allowances; PD standards **§ 17.54.100** (§ 17.52.010)
• PlacerCounty_ZoningCode.md

• Official Placer County code library