Local zoning · Brea

Brea — Land Use

Land Use under the Brea local zoning and planning code, with the controlling citations.

Last reviewed: July 1, 2026

Overview

Brea regulates what can be built and where through its Zoning Code in Title 20 of the Municipal Code. The core “what’s allowed” is set by Chapter 20.11 (Permitted Land Uses), which assigns uses as permitted, minor conditional, or conditional by district, and relies on district chapters for dimensional and siting rules. Key cross-cutting standards include parking, development standards, design review, overlay districts, signage, nonconforming uses, variances and exceptions, and landscaping and screening.

Chapter 20.11 establishes the “P/M/C/—” system and lets the Community Development Director interpret unlisted uses, while also pointing to Focused Development Sites where qualifying affordable multifamily housing is permitted by right (with zone standards still applying) . Applicants should treat Land Use as the first gate; dimensional, frontage, and site-organization rules then decide form and layout.

How Brea assigns land uses

  • Chapter 20.11 designates uses by district in Table 20.11.020.A as: P (permitted), M (minor conditional use permit), C (conditional use permit), or (prohibited). Unlisted uses can be interpreted by the Director; special provisions are cross-referenced in the table; parking is per § 20.08.040 .
  • Many district chapters state that permitted and conditional uses “are contained in Chapter 20.11,” meaning you confirm the use in the Land Use Table, then return to the district chapter for key standards (e.g., C-M, M-P, M-1, M-2, C-N, C-C, C‑RC, PF) .
  • Mixed‑use districts use Chapter 20.11 for allowed use types but add district‑specific density/FAR, frontage, and integration rules in Chapter 20.258 (MU‑I, MU‑II, MU‑III) .

District-by-District: purpose, typical allowed pattern, key standards, where it applies

Note: Specific “permitted” vs. “conditional” determinations come from Table 20.11.020.A (attachment referenced by § 20.11.020; not in retrieved materials). Verify a use against that table and any “Special Provisions” cross-references .

R-1 Single Family Residential

  • Purpose: Single-family neighborhoods at low density .
  • Typical allowed pattern: One primary dwelling per lot; ADUs and two‑unit/urban lot split allowances are enabled elsewhere in Title 20 and state law; confirm the primary use allowance in Table 20.11.020.A and see § 20.56 for urban lot splits and Chapter 20.52 for ADUs (referenced in R‑1 standards) .
  • Key standards: Min lot width 60 ft interior/70 ft corner/75 ft reversed corner; min lot depth 100 ft; max height 35 ft (18 ft for detached accessory structures); front setback 25 ft; front-yard surface coverage and RV parking rules apply .
  • Where it applies: Citywide where mapped “R‑1” on the Official Zoning Map (see § 20.04). Not found in retrieved materials: map excerpts.

R-1 (5,000) Single Family Residential

  • Purpose: Medium-density single-family on 5,000 sq ft lots .
  • Typical allowed pattern: One single-family dwelling per 5,000 sq ft net area; ADUs/JADUs per Chapter 20.52; confirm other uses in Table 20.11.020.A .
  • Key standards: Min lot area 5,000 sq ft; lot width 50 ft interior/60 ft corner/65 ft reversed corner; min lot depth 90 ft; max height 35 ft (18 ft detached accessory) .
  • Where it applies: Where mapped “R‑1 (5,000).” Verify with the City.

R-2 Multiple Family Residential

  • Purpose: Low‑density multifamily .
  • Typical allowed pattern: Multifamily; confirm specific use types in Table 20.11.020.A .
  • Key standards: Min lot area 9,000 sq ft (single‑family R‑2 lots may be 4,500 sq ft); lot width typically 60 ft interior, with allowances for smaller single‑family lots; more R‑2 dimensional rules continue in § 20.216.040 (not fully retrieved) .
  • Where it applies: Where mapped “R‑2.” Verify with the City.

HR Hillside Residential

  • Purpose: Sensitive hillside development with slope-based density, resource protection, and specialized design standards; applies to properties designated Hillside Residential and zoned HR .
  • Typical allowed pattern: Detached hillside homes, custom lots, attached clusters where planned; all require a Hillside Development Permit (administrative or full), with certain minor activities exempt; confirm uses via Chapter 20.11 .
  • Key standards: Examples include min pad size 6,000 sq ft for detached dwellings; setbacks scale with pad size (e.g., 20–40 ft front; 7.5–10 ft sides; 20–30 ft rear); max height generally 35 ft; slope-density/FAR caps and constraints apply; detailed edge/retaining wall standards are prescribed .
  • Where it applies: Hillside Residential areas per General Plan and zoning map; permits per § 20.206.024 with findings in § 20.206.028 .

MU‑I Mixed‑Use I

  • Purpose: Higher‑intensity mixed centers; residential and nonresidential typically vertically integrated; stand‑alone components allowed if part of a larger integrated area .
  • Typical allowed pattern: Commercial/office paired with residential; confirm use types in Chapter 20.11; live/work is treated as nonresidential for standards .
  • Key standards: Residential density 12.1–50 du/ac; max FAR (nonresidential) 3.00; frontage along Ash, Birch, Brea Blvd, Imperial Hwy often has no front setback (allowing plazas/outdoor dining); parking adjacency limits on Brea Blvd/Imperial Hwy; see Tables 2‑3 and 2‑6 for “mixed-use” and “stand‑alone residential” projects .
  • Where it applies: Mixed‑use focus areas mapped MU‑I. Verify with the City.

MU‑II Mixed‑Use II

  • Purpose: Larger coordinated mixed‑use properties; manufacturing/processing and warehousing specifically prohibited; higher densities allowed when a true mix is provided .
  • Typical allowed pattern: Vertical and/or horizontal mix; stand‑alone components allowed if integrated; uses per Chapter 20.11 .
  • Key standards: Residential density 6.1–40 du/ac; max FAR 2.00; typical setbacks include “none” in many front/side conditions, with 10 ft step‑backs above ground story where adjacent to residential; max height 60 ft; detailed open‑space minimums are specified for residential components; see Table 2‑4 and Table 2‑7 .
  • Where it applies: MU‑II mapped corridors/sites. Verify with the City.

MU‑III Mixed‑Use III

  • Purpose: Revitalize arterials with neighborhood‑serving commercial and moderate‑intensity offices with housing; buffers lower‑intensity neighborhoods behind; prohibits regional‑serving retail, general industrial, and warehousing .
  • Typical allowed pattern: Horizontal or vertical mix; on Brea Blvd/Imperial Hwy, strong nonresidential street‑frontage requirements; residential ground‑floor frontage limited to lobbies; use types per Chapter 20.11; site‑organization standards mandate nonresidential depth/wrap and a minimum percentage of primary-street frontage occupied by nonresidential uses .
  • Key standards: Residential density 6.1–18 du/ac; max FAR 1.00; many primary frontages allow no setback (with plaza exceptions); max height 35 ft in Table 2‑5; see Mixed‑Use project tables and MU‑III specific frontage rules .
  • Where it applies: Properties fronting Brea Boulevard and a portion of Imperial Highway; Walnut Avenue access limitations apply for nonresidential uses .

C‑N Neighborhood Commercial

  • Purpose: Small neighborhood centers to serve nearby residents .
  • Typical allowed pattern: Neighborhood retail/services; confirm use types in Chapter 20.11; all uses must be conducted within a building (special standards) .
  • Key standards: Site size 3–8 acres; max height 30 ft; front/corner side setback 15 ft; 40 ft separation from residential property lines (with wall); special noise/storage screening rules apply .
  • Where it applies: Mapped C‑N centers.

C‑C Major Shopping Center

  • Purpose: Large, modern shopping centers .
  • Typical allowed pattern: Community‑scale retail; confirm use types in Chapter 20.11 .
  • Key standards: Not found in retrieved materials beyond purpose and existence of § 20.232.030.
  • Where it applies: Mapped C‑C sites.

C‑RC Commercial Recreation

  • Purpose: Areas for commercial recreation uses; e.g., entertainment/recreation venues .
  • Typical allowed pattern: Recreation commercial; confirm use types in Chapter 20.11 .
  • Key standards: Min lot area 1 acre; min width 200 ft; max height 35 ft; front setback 35 ft; 100 ft side/rear yard when abutting residential; plan review and signage per code chapters .
  • Where it applies: Mapped C‑RC sites.

M‑P Planned Industrial

  • Purpose: Planned, research/scientific industrial environments with accessory employee‑serving commercial .
  • Typical allowed pattern: Light industrial/office R&D; use types per Chapter 20.11; performance standards apply; CUP required for projects within 300 ft of residential or large neighborhoods per § 20.248.050 .
  • Key standards: Min parcel area 5 acres; min lot width 100 ft; development requires a plan review per § 20.408.040; performance standards in Chapter 20.20 apply .
  • Where it applies: Mapped M‑P districts.

C‑M Commercial/Industrial

  • Purpose: Hybrid commercial/industrial zones with industrial form standards and performance controls .
  • Typical allowed pattern: Industrial/commercial mixes; use types per Chapter 20.11; CUP required for projects within 300 ft of residential or large neighborhoods per § 20.240.080 .
  • Key standards: Min lot area 20,000 sq ft; min width 100 ft; min depth 150 ft; max height 35 ft; yards/setbacks defer to M‑P; performance standards apply .
  • Where it applies: Mapped C‑M corridors/parks.

M‑1 Light Industrial

  • Purpose: Appropriately located industrial plants and related uses with safeguards for nearby areas .
  • Typical allowed pattern: Light industrial; use types per Chapter 20.11; performance standards apply .
  • Key standards: § 20.252.040 exists but details weren’t retrieved. Not found in retrieved materials.
  • Where it applies: Mapped M‑1 districts.

M‑2 General Industrial

  • Purpose: General industrial activities with additional buffers where needed .
  • Typical allowed pattern: General industrial; use types per Chapter 20.11; CUP required for sites within 300 ft of residential or large neighborhoods (per plan review section) .
  • Key standards: Follows M‑1 standards except: 50 ft yard where abutting any other industrial or commercial district; 1,000 ft separation from sensitive population property lines for hazardous‑waste facilities; performance standards apply .
  • Where it applies: Mapped M‑2 districts.

PF Public Facilities

  • Purpose: Schools, safety facilities, utilities, community centers; implements the Public Facilities/Cemetery designations .
  • Typical allowed pattern: Public institutional uses; use types per Chapter 20.11, with CUPs as applicable .
  • Key standards: Determined case‑by‑case by the City Planner; plan review required as determined .
  • Where it applies: Mapped PF sites.

PRO Parks/Recreation/Open Space

  • Purpose: Preserve natural resources and provide active/passive recreation; two categories distinguish natural open space from active recreation areas .
  • Typical allowed pattern: Open space, trails, parks; confirm specific facilities and approvals in Title 20 parts not retrieved.
  • Key standards: Not found in retrieved materials.
  • Where it applies: Mapped PRO‑NOS and PRO areas.

Supplemental/Overlay districts that affect Land Use

  • PD Precise Development (supplemental zone): Underlying zone controls uses; a precise development review is required; conditions are attached to the precise plan; procedures track conditional use permit mechanics .
  • WD Wall Design Overlay: Underlying zone controls uses; overlay imposes uniform perimeter wall design standards along arterials (setback, 6–8 ft height) .
  • Mixed‑use zones also include project‑level organization rules (e.g., where nonresidential must front the street; required depths; limits on ground‑floor residential frontage along major streets) that effectively control “where” certain components may go within a site .

Quick-reference standards

These are frequently decision‑relevant constraints. Always confirm parcel‑specific overlays and any “Special Provisions” in the Land Use Table.

District Core Standard Value Code Reference
R‑1 Front setback 25 ft § 20.208.040.E.1.a
Max height (primary/detached accessory) 35 ft / 18 ft § 20.208.040.D
R‑1 (5,000) Min lot area 5,000 sq ft § 20.212.040.A.1
Lot width/depth 50–65 ft / 90 ft § 20.212.040.B–B.2
R‑2 Min lot area 9,000 sq ft (4,500 sq ft for R‑2 single‑family lots) § 20.216.040.A.1
HR Min pad size (detached dwellings) 6,000 sq ft § 20.206.170.C–D (Table 20.206.170.D)
Max height (general) 35 ft § 20.206.170.F.2
MU‑I Residential density range 12.1–50 du/ac Table 2‑3/2‑6 in § 20.258.020
Max FAR (nonres.) 3.00 Table 2‑3 in § 20.258.020
MU‑II Residential density range 6.1–40 du/ac Table 2‑4 in § 20.258.020
Max height 60 ft Table 2‑4 in § 20.258.020
MU‑III Residential density range 6.1–18 du/ac § 20.258.010.A.3.c; Table 2‑5 in § 20.258.020
Ground‑floor residential along Brea Blvd/Imperial Hwy Limited to lobbies § 20.258.030.N.1
C‑N Site size 3–8 acres § 20.228.040.A
Max height 30 ft § 20.228.040.C.1
C‑RC Front setback 35 ft § 20.244.040.D.1
Yard at res. interface 100 ft § 20.244.040.D.3
C‑M Min lot area/width/depth 20,000 sq ft / 100 ft / 150 ft § 20.240.060.A
Max height 35 ft § 20.240.060.B.1
M‑2 Extra yard (when abutting ind./comm.) 50 ft § 20.256.040.A
Hazardous‑waste facility buffer 1,000 ft to sensitive populations § 20.256.040.B
PF Development standards Case‑by‑case (City Planner) § 20.261.040

Practical notes:

  • Mixed‑use tables also cross‑reference parking, lighting, walls/fences, and signs chapters for specific standards; those links govern submittal design and O&M coordination early in concept design .
  • Many nonresidential/industrial districts require plan review and sometimes a CUP when near residential neighborhoods, which alters timelines and findings you’ll need to meet (see § 20.240.080; § 20.248.050; § 20.256.050) .

How approvals and exceptions interact with Land Use

  • Conditional Use Permits: Districts rely on CUPs to allow certain use classes or to modify standards beyond minor thresholds; findings include compatibility and adequate site/streets; expiration rules apply (§ 20.408.030) .
  • Minor CUPs: Allow modest relief (e.g., up to 20% height, parking reductions, small yard/coverage adjustments) listed in § 20.408.030.B.2; larger height increases in several commercial/industrial zones require a full CUP (§ 20.408.030.B.2.b.1) .
  • Plan Review: Most multifamily, commercial, and industrial developments—and new R‑1 projects in subdivisions—require plan review per § 20.408.040; it functions as Brea’s administrative design review for zoning compliance and site planning .
  • Focused Development Sites: Multiple‑family projects with ≥20% lower‑income units on specified sites are permitted by right (still must meet zone standards), and MU districts add minimum densities and floor‑area splits on those sites (§ 20.11.020.F; § 20.258.010.D) .

Checklist

  • Identify the zoning district(s) and any overlays for the parcel (Official Zoning Map, PD/WD overlays) and confirm in Chapter 20.11 that your use is P/M/C/— for that district (Table 20.11.020.A) .
  • If a use is unlisted or ambiguous, request a Director interpretation under § 20.11.020.C and consider whether a CUP is available .
  • Verify key dimensional controls in the district chapter (e.g., min lot area/width/depth, height, setbacks, coverage, density/FAR). See mixed‑use Tables 2‑3/2‑4/2‑5/2‑6/2‑7/2‑8 where applicable .
  • Check interface rules: street frontage/nonresidential depth in MU‑III; residential ground‑floor limits on Brea Blvd/Imperial Hwy; adjacency buffers to residential (e.g., C‑RC 100 ft; M‑2 yard) .
  • Confirm parking, signage, lighting, and landscaping and screening cross‑references embedded in your district’s tables .
  • Determine if design review/plan review applies (§ 20.408.040)—most multifamily, commercial, and industrial projects do; some R‑1 work in subdivisions does too .
  • If in HR, scope a Hillside Development Permit and demonstrate consistency with slope density/FAR, pad size, setbacks, and edge/wall standards (§ 20.206) .
  • If near residential and in C‑M/M‑P/M‑2, check for CUP triggers within 300 ft (district plan review sections) .
  • If seeking relief, evaluate variances and exceptions versus a Minor CUP or CUP per § 20.408.030 thresholds .
  • For two‑unit/urban lot split on R‑1 lots, follow § 20.56.050 (e.g., min 40% lot split, min 1,200 sq ft lots, street frontage, setbacks for new construction) and comply with underlying zone standards and California housing laws .
  • For ADUs, follow R‑1/R‑1(5,000) references to Chapter 20.52 and California ADU law; building standards are under the California Building Standards Code (Title 24), not zoning .

Risks & Ambiguities

Issue Why it matters What to verify
Land Use Table attachment not in retrieval The specific “P/M/C/—” status for each district lives in Table 20.11.020.A Obtain the current Table 20.11.020.A and any “Special Provisions” cross‑refs before locking a program
Mixed‑use frontage rules MU‑III limits ground‑floor residential along Brea Blvd/Imperial Hwy; MU districts require nonresidential depths and frontage percentages Confirm § 20.258.030.N and applicable table for your frontage, block length, and parcel acreage thresholds
Near‑residential industrial/commercial CUPs Added findings/timelines can affect feasibility Check C‑M/M‑P/M‑2 plan review sections for 300‑ft triggers and whether CUP is required
HR slope/density math Site yield depends on slope density/FAR tables and constraints Prepare a slope analysis and apply § 20.206.060; confirm pad sizes, setbacks, and max height per HR tables
Focused Development Sites allowances May change by‑right status, min densities, or use mix Verify whether your parcel is a Housing Element Focused Development Site; apply § 20.11.020.F and § 20.258.010.D
PD/WD overlays Supplemental rules can alter setbacks/walls and review path Check for PD conditions (§ 20.260) and WD wall standards (§ 20.262) early in site planning
C‑C, M‑1, R‑3 details Portions of standards not in retrieved materials Request the active district chapters to confirm dimensional limits and any special provisions (Not found in retrieved materials)

Plain-English Summary

Start by checking your parcel’s zoning. Then look up whether your intended use is allowed in that zone using the Land Use Table in Chapter 20.11. If it’s allowed, make sure your lot size, setbacks, height, density/FAR, and street‑frontage rules work for your concept. Mixed‑use streets like Brea Boulevard and Imperial Highway have special frontage rules. Hillside lots follow their own pad/height/setback math. Many projects need plan/design review, and some commercial/industrial sites near homes also need a conditional use permit.

Information Gaps

  • Full contents of Table 20.11.020.A (the land use matrix by district) — Not found in retrieved materials.
  • Detailed dimensional standards for R‑3, M‑1, and parts of C‑C — Not found in retrieved materials.
  • Official Zoning Map parcel‑level designations/overlays — Verify with the jurisdiction.

Source References

  • Title 20 Zoning Code (structure and chapters)
  • § 20.11.010–.020 Permitted land uses; designations; unlisted uses; Focused Development Sites
  • § 20.208.040 R‑1 property development standards (front setback, heights, lot dims)
  • § 20.212.010–.050 R‑1 (5,000) intent; standards; ADU reference; plan review
  • § 20.216.010–.040 R‑2 purpose and standards (lot area/width)
  • Chapter 20.206 HR Hillside Residential (applicability; permits; pad/height/setbacks; edges/retaining walls; slope density/FAR)
  • § 20.258.010–.030 MU‑I/II/III purposes, density/FAR, integration, frontage rules; Tables 2‑3/2‑4/2‑5/2‑6/2‑7/2‑8
  • § 20.228.010–.060 C‑N purpose; standards; special provisions; plan review
  • § 20.232.010–.030 C‑C purpose and chapter existence
  • § 20.244.010–.050 C‑RC purpose; standards; plan review
  • § 20.248.010–.060 M‑P purpose; standards; plan review; performance; CUP near residential
  • § 20.240.030–.080 C‑M uses via Ch. 20.11; standards; performance; CUP near residential
  • § 20.252.010–.040 M‑1 purpose/standards chapter (details not retrieved)
  • § 20.256.020–.060 M‑2 uses; standards; plan review; performance
  • § 20.261.010–.040 PF purpose; uses via Ch. 20.11; case‑by‑case standards
  • § 20.260.020–.050 Precise Development supplemental zone; procedures
  • § 20.262.010–.040 WD Wall Design Overlay; wall standards
  • § 20.408.030 Conditional and Minor Conditional Use Permits (findings; thresholds)
  • § 20.408.040 Plan Review applicability and process (design review)
  • § 20.56.050 Urban Lot Splits; two‑unit regulations cross‑refs; parking cross‑ref

Sources

Retrieved passages

  • Brea Zoning Code (§ 20.11.020.) High relevance
  • Brea Zoning Code (§ 20.56.050.) High relevance
  • Brea Zoning Code (§ 20.240.020.) High relevance
  • Brea Zoning Code (§ 20.258.020) High relevance
  • Brea Zoning Code (§ 20.258.010) High relevance
  • Brea Zoning Code (§ 20.256.020.) High relevance
  • Brea Zoning Code (§ 20.408.030) High relevance
  • Brea Zoning Code (§ 20.408.030) High relevance
  • Brea Zoning Code (§ 20.258.030) High relevance
  • Brea Zoning Code (§ 20.258.020) High relevance
  • CBC § 20.408.030 (§ 20.408.030) High relevance
  • Brea Zoning Code (§ 20.258.020) High relevance
  • Brea Zoning Code (§ 20.258.020) High relevance
  • Brea Zoning Code (§ 20.408.040.) High relevance
  • Brea Zoning Code (Section 20.08.035F) Medium relevance
  • Brea Zoning Code (§ 20.206.060.C.3) High relevance
  • Brea Zoning Code (§ 20.206.024) High relevance
  • Brea Zoning Code (§ 20.261.020.) High relevance
  • Brea Zoning Code (§ 20.200.050) High relevance
  • Brea Zoning Code (§ 20.260.020.) High relevance
  • Brea Zoning Code (§ 20.206.170.) High relevance
  • Brea Zoning Code (§ 20.71.999.) Medium relevance

Cited sections

Frequently asked questions

What can I build on an R-1 lot in Brea?

Typically a single-family home is the primary use, with potential for an ADU per Chapter 20.52 and, in some cases, a two‑unit development/urban lot split under § 20.56.050. Dimensional rules include a 25 ft front setback and 35 ft max height (18 ft for detached accessory structures) in § 20.208.040; confirm the specific use status in Table 20.11.020.A .

What are the basic R-1 (5,000) development standards?

Minimum lot area is 5,000 sq ft; lot width is 50–65 ft; depth is 90 ft; maximum height is 35 ft (18 ft detached accessory). Density is one primary dwelling per 5,000 sq ft, with ADUs per Chapter 20.52. See § 20.212.040 for details .

Do I need design review in Brea?

Most multifamily, commercial, and industrial projects—and some new single-family projects in subdivisions—require plan review (Brea’s administrative design review) under § 20.408.040. The Director or Planning Commission reviews for zoning compliance and can condition approvals .

How are unlisted or new business types handled?

If a use isn’t listed, the Community Development Director may interpret it as similar to a listed class under § 20.11.020.C. If not similar, you may pursue an administrative interpretation or a CUP pathway if available .

What special rules apply along Brea Boulevard and Imperial Highway?

In MU‑I and MU‑III, many frontages along these streets have zero front setbacks to encourage active frontages, with restrictions on ground‑floor residential in MU‑III (lobbies allowed). See § 20.258.020 Tables and § 20.258.030.N for frontage and site‑organization rules .

Are industrial projects near homes treated differently?

Yes. In C‑M, M‑P, and M‑2, sites within 300 ft of residential or larger residential neighborhoods often require a conditional use permit with added findings. See § 20.240.080, § 20.248.050, and § 20.256.050 .

What are “Focused Development Sites” and why do they matter?

They are Housing Element sites where multifamily with at least 20% lower‑income units is permitted by right per § 20.11.020.F. In MU districts on such sites, minimum densities and residential floor‑area percentages may apply (§ 20.258.010.D) .

Can I do live/work in mixed-use districts?

Yes, but live/work is regulated as a nonresidential project for development standards (e.g., parking, open space references) per § 20.258.020.F. Confirm the use type in the Land Use Table and apply the correct MU table for your configuration .

How does the Hillside Residential zone affect a custom home?

You’ll need a Hillside Development Permit and must meet pad size, slope‑based density/FAR, setbacks, and height limits tailored to hillside conditions. Start with § 20.206.020 (applicability/permit), § 20.206.060 (density/FAR), and § 20.206.170 (detached dwelling standards) .

What’s different about PF (Public Facilities) sites?

Permitted and conditional uses are in Chapter 20.11, but development standards are set case‑by‑case by the City Planner under § 20.261.040, with plan review required as determined .

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