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Brea — Design Review

Design Review under the Brea local zoning and planning code, with the controlling citations.

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Last reviewed: July 1, 2026

Overview

In Brea’s zoning code, “design review” is implemented primarily through the city’s administrative Brea Zoning “Plan Review” procedure in Title 20, which checks projects for conformance with site planning, architectural quality, landscaping, and related development standards. Plan Review applies across multiple zoning districts, with additional, zone-specific design standards in places like the Mixed-Use districts and overlays. It is separate from construction compliance under the California Building Standards Code and separate from general building permit issuance.

What Brea calls “Design Review”

  • Plan Review is listed in the code’s administrative procedures as the review and conditional approval of development plans to ensure the intent of Title 20 is met for site arrangement, functional effectiveness, landscape design, and architectural quality (the city’s stand-in for “design review”) .
  • The dedicated Plan Review chapter sets the purpose, where it applies, submittal content, who decides, appeal windows, and the tie to building permit/CO issuance .

Key mechanics under Plan Review:

  • Purpose and scope. Ensures conformity with this title and all requirements of law, including development regulations of the applicable zone .
  • Applicability. Triggers vary by district (summarized below), with a categorical exemption for projects that “only involve interior modifications” .
  • Submittals. At minimum, a combination of: Subdivision Map, Landscape Plan, Floor Plan, Grading Plan, Site Utilization Map, Detailed Site Plan, Building Elevations, and Phasing Plan as appropriate; the Director may require more to complete review .
  • Review authority. The Director reviews for conformity; Director-level Plan Review decisions for projects not requiring Planning Commission review must be issued within 30 days of a complete filing and become effective after 10 days unless appealed per Chapter 20.424. Planning Commission decisions likewise become effective after 10 days absent a timely appeal .
  • Relationship to permits. No building permit may issue until Plan Review approval; no certificate of occupancy may issue unless the project is built in conformance with the approved Plan Review and conditions .

Other approval types that intersect with “design review” topics:

  • Precise Development Review. In the Precise Development (PD) zone, projects require a “Precise Development” review (a separate, design-focused entitlement administered with CUP-like procedures) per § 20.260.050 and referenced in the procedures chapter as a distinct process .
  • Certificate of Compatibility. A separate procedure used to consider the compatibility of certain ADUs and mobile/manufactured housing with residential area planning and aesthetics (invoked when ADUs do not conform to established standards) . The ADU chapter expressly routes nonconforming ADUs to a Certificate of Compatibility under § 20.408.050 .
  • Revisions to site plans under CUPs. Minor revisions to a site plan approved with a CUP can be authorized by the Director through Plan Review; larger changes require returning to the CUP process .

Brea Plan Review applicability by district

The table below distills the citywide Plan Review “design review” triggers and who typically decides.

Area When Plan Review applies Typical review authority and timing Code Reference
R-1, R-1 5,000, R1-H (Hillside) New single-family dwellings that are part of a larger development of two or more lots (if not exempt by other law) Director or Planning Commission per filing; Director issues decision within 30 days; 10-day appeal window § 20.408.040.A.1.a, B.3–B.6
R-2, R-3 All developments (except modifications to existing single-family dwellings) Director/Commission per filing; Plan Review procedures apply; district chapters also list Plan Review sections § 20.408.040.A.1.b; see also R-2 § 20.216.050; R-3 § 20.220.050
Commercial zones (C-N, C-C, C-P, C-M, C-RC, etc.) All developments on commercially zoned properties Director/Commission per filing; individual commercial chapters include Plan Review cross-references (e.g., C-N) § 20.408.040.A.1.c; C-N § 20.228.060
Industrial zones (M-1, M-2, M-P) All developments on industrially zoned properties Director/Commission per filing; additional CUP required in M‑1 if within 300 ft of residential zones or neighborhoods with >20 parcels § 20.408.040.A.1.d; M‑1 § 20.252.050
Mixed-Use (MU‑I, MU‑II, MU‑III) All development; also subject to specific mixed-use design standards (frontage activation, integration, materials, etc.) Per filing; standards in § 20.258.020–.030 control architecture, frontage, and streetscape § 20.258.020–.030

Plan Review sits within the broader Title 20 administrative framework described in the city’s zoning & planning overview and procedures chapter, alongside CUPs, variances, and other actions covered in Brea Variances and Exceptions and related procedures .

District-by-district notes for design review

Below, “purpose,” “typical uses,” and “key standards” are limited to what the retrieved code provides. Where the ordinance excerpts did not include a district’s use list or quantitative standards, this is noted.

R-1, R-1 5,000, R1-H (Single-Family and Hillside Residential)

  • Purpose: Not found in retrieved materials.
  • Typical permitted uses: Not found in retrieved materials.
  • Key dimensional/design standards: The Hillside Residential chapter includes special design and grading standards (e.g., no hillside development on slopes exceeding 30% for areas of at least 1 acre; custom-lot pad, height, and wall limitations) that shape Plan Review outcomes in R1‑H contexts (e.g., max wall cumulative height 6 ft except for specified “living” wall types; custom-lot max structure heights 20–35 ft by number of stories) .
  • Where Plan Review applies: New SFDs that are part of a 2+ lot development; interior-only work is exempt. Director issues decisions in 30 days for non-Commission items; 10-day appeal window applies .

R-2 (Multiple-Family Residential)

  • Purpose: Not found in retrieved materials.
  • Typical permitted uses: Not found in retrieved materials.
  • Key dimensional/design standards: Not found in retrieved materials.
  • Where Plan Review applies: “All developments” except modifications to existing single-family dwellings; the R‑2 chapter also lists a Plan Review section (§ 20.216.050) indicating district-specific Plan Review administration .

R-3 (Multiple-Family Residential)

  • Purpose: Not found in retrieved materials.
  • Typical permitted uses: Not found in retrieved materials.
  • Key dimensional/design standards: Not found in retrieved materials.
  • Where Plan Review applies: “All developments;” R‑3 lists a Plan Review section (§ 20.220.050) for district administration .

MU‑I (Mixed-Use I)

  • Purpose: To integrate nonresidential and residential uses, generally with vertical integration; stand‑alone components allowed if part of an integrated mixed-use area .
  • Typical permitted uses: Mixed residential and nonresidential; exact use lists not found in retrieved materials.
  • Key dimensional/design standards: Selected standards from Table 2‑3: residential density 12.1–50 du/ac; nonresidential FAR 3.00; several edges with “no front setback” but with frontage design expectations; accessory, landscaping, lighting, parking, signage cross‑references to citywide chapters; mixed-use projects must be pedestrian-focused, maintain character on major corridors, and avoid long blank walls, with at least 75% of major-street frontage devoted to pedestrian-oriented features unless reduced by the review authority .
  • Where Plan Review applies: All development; applicable design standards in § 20.258.020–.030 apply during review .

MU‑II (Mixed-Use II)

  • Purpose: Allows vertical and/or horizontal integration; stand‑alone components allowed when part of an integrated larger area .
  • Typical permitted uses: Mixed residential and nonresidential; exact use lists not found in retrieved materials.
  • Key dimensional/design standards: Selected standards (Table 2‑4): maximum height 60 ft; parking area setbacks 15 ft; common open space 75 sq ft/unit, private open space 50 sq ft/unit; cross‑references for Brea Parking, signs, landscaping, lighting, and walls/fences; frontage design expectations parallel MU‑I standards .
  • Where Plan Review applies: All development; apply § 20.258 standards in review .

MU‑III (Mixed-Use III)

  • Purpose: Integration required on parcels ≥1 acre; smaller parcels may be mixed or stand‑alone; special rules for frontages on Brea Blvd and Imperial Hwy (e.g., residential ground-floor limits) .
  • Typical permitted uses: Mixed residential and nonresidential; exact use lists not found in retrieved materials.
  • Key dimensional/design standards: Selected standards (Table 2‑5): residential density 6.1–18 du/ac; nonresidential FAR 1.00; maximum height 35 ft; maximum coverage 65%; major-street setbacks vary by parcel size with strong street activation requirements; open space minimums; cross‑references for parking, signs, landscaping, lighting, and walls/fences; major-street ground floors must prioritize nonresidential uses with minimum 75% frontage depth and wrapping rules at corners; Director may adjust certain percentages .
  • Where Plan Review applies: All development; apply mixed-use integration and frontage standards in review .

C‑N (Neighborhood Commercial)

  • Purpose: Neighborhood-serving commercial (intent language present; detailed use list not retrieved).
  • Typical permitted uses: Uses per Chapter 20.11 (not retrieved here); special standards require indoor operations and screened storage/trash .
  • Key dimensional/design standards: Off-street parking per § 20.08.040; signs per Chapter 20.28; additional access provisions; noise equipment must avoid nuisance to adjacent residential zones .
  • Where Plan Review applies: All developments listed under Plan Review applicability; C‑N explicitly cross-references Plan Review .

C‑C (Major Shopping Center)

  • Purpose: Provides for large shopping center development .
  • Typical permitted uses: Uses per Chapter 20.11 (not retrieved here).
  • Key dimensional/design standards: Not found in retrieved materials.
  • Where Plan Review applies: All developments under commercial category per § 20.408.040.A.1.c; C‑C chapter includes development standards section and would be applied during Plan Review (details not retrieved) .

C‑P (Commercial, Administrative, and Professional); C‑M (Commercial Industrial); C‑RC (Commercial Recreation)

  • Purpose/uses/standards: Not found in retrieved materials.
  • Where Plan Review applies: Listed Plan Review sections exist in each chapter index (e.g., C‑P Plan Review; C‑M Plan Review; C‑RC Plan Review), signaling application of § 20.408.040 with any chapter-specific submittals or findings as adopted .

M‑1 (Light Industrial)

  • Purpose/uses: Not found in retrieved materials.
  • Key dimensional/design standards: Lot coverage max 50%; colors/materials coordinated; lighting shielding and heights; signage via Chapter 20.28; FAR governed by the General Plan for the site’s land use designation; access minimum frontage 50 ft; additional design integration for equipment, vents, and screening in the zone chapter .
  • Where Plan Review applies: All developments per § 20.408.040.B; plus, if the M‑1 site is within 300 ft of an “R” zone or any residential neighborhood with >20 parcels, a CUP is required in addition to Plan Review .

M‑2 (General Industrial); M‑P (Planned Industrial)

  • Purpose/uses/standards: Not found in retrieved materials.
  • Where Plan Review applies: All industrial developments per § 20.408.040.A.1.d (M‑2 and M‑P chapters not retrieved here) .

PF (Public Facilities)

  • Purpose: Allocates land for public facilities like schools, fire/police stations, community centers, utilities; implements related General Plan designations .
  • Typical permitted/conditional uses: Per Chapter 20.11 (not retrieved here) .
  • Key dimensional/design standards: Case-specific; subject to City Planner review; “all proposed development shall be subject to Plan Review approval as determined necessary by the City Planner” .
  • Where Plan Review applies: At City Planner’s determination under PF chapter; Plan Review procedures then govern .

WD Wall Design Overlay (Overlay Zone)

  • Purpose: Provides uniform, visually pleasing arterial perimeter wall design citywide; applies as an additional zoning classification shown in Brea Overlay Districts .
  • Key design standards: Wall setback at least 6 inches from sidewalk; wall height 6–8 ft; specified tan slumpstone block, pilasters, and caps with City Planner review for lot-by-lot coordination; repairs over 50% of linear frontage in a 12‑month period must comply with standards .
  • Interaction with Plan Review: Where a development includes or triggers perimeter wall work in WD areas, these objective standards control the design elements reviewed.

Historic Preservation Areas

  • Purpose: Protect historic resources through review of alterations; “major alterations” are reviewed by the Planning Commission at a noticed hearing; appeals follow Chapter 20.424. The chapter also references a “plan review process” for historic resources, and the city encourages use of preservation incentives .
  • Interaction with Plan Review: Historic alterations are subject to compatibility findings; where a project also requires Plan Review, both processes inform design outcomes, coordinated with Brea Historic Preservation policies.

Precise Development (PD) Zone

  • Purpose: A supplemental zone that requires a separate, design-centric “Precise Development” review for specific uses; PD projects are governed by CUP‑like procedures set in § 20.408.070 (not retrieved) and the PD chapter explicitly routes development to this review .
  • Interaction with Plan Review: PD review is concurrent or in addition to Plan Review functions to reach detailed architectural/site plan approvals.

Planned Community (PC) Zone / Master Plans

  • Purpose: Implements large, master‑planned areas with comprehensive land use, circulation, population, and services planning. The Master Plan must include detailed site, grading, parking, landscape/hardscape, architectural plans (heights, stories, materials, finishes), renderings, color/material boards, fencing/wall plans, and other data sufficient for design evaluation .
  • Design standards: The City Council may approve “alternative development and design standards” for specific areas or phases within the PC Master Plan. Otherwise, existing zoning standards and review procedures apply to designated subareas .
  • Interaction with Plan Review: PC Master Plan design standards and exhibits set the objective framework that Plan Review then enforces at the project stage.

Mixed-Use design standards that often control “design review” outcomes

Selected highlights that commonly drive Plan Review conditions in MU districts:

  • Maintain a pedestrian focus and complement adjacent uses; avoid long blank walls; use consistent architectural quality and materials throughout a project; dedicate at least 75% of primary street frontage to “pedestrian-oriented features,” subject to case-by-case reduction by the review authority .
  • Along major streets in MU‑III, prioritize nonresidential ground-floor space with minimum depth (50 ft), wrap requirements at corners (30 ft), and a minimum 75% frontage occupation by nonresidential uses; residential ground-floor fronting major streets generally limited to lobbies .
  • Parking, lighting, signs, landscaping, walls/fences cross‑reference citywide chapters; conformance is checked in Plan Review (e.g., Brea Parking § 20.08.040, Brea Signage Ch. 20.28, Brea Landscaping and Screening § 20.236.040.M) .

Checklist

  • Confirm Plan Review applicability for your zoning and project type using § 20.408.040.A (note the interior‑only exemption) and any district chapter’s Plan Review cross‑reference .
  • Prepare a complete submittal: as applicable, include Subdivision Map, Landscape Plan, Floor Plan, Grading Plan, Site Utilization Map, Detailed Site Plan, Building Elevations, and Phasing Plan; be prepared to supply additional items if the Director requests them to complete review per § 20.408.040.B.1.a–b .
  • Demonstrate conformance with zone‑specific design standards (e.g., Mixed‑Use § 20.258.020–.030; M‑1 § 20.252.040; WD Overlay § 20.262.040; Planned Community § 20.272.030.F) .
  • Verify cross‑chapter compliance frequently referenced in Plan Review: Brea Parking § 20.08.040, Brea Signage Ch. 20.28, and Brea Landscaping and Screening § 20.236.040.M .
  • If proposing a nonstandard ADU or manufactured housing in residential areas, check whether a Certificate of Compatibility is required under § 20.408.050 (see also ADU § 20.52.040.K and Brea ADUs) .
  • For M‑1 projects within 300 ft of an “R” zone or of residential neighborhoods with >20 parcels, confirm CUP requirements alongside Plan Review (§ 20.252.050) .
  • Plan your schedule: Director decisions due within 30 days of a complete filing for non‑Commission items; decisions become effective after 10 days unless appealed (Chapter 20.424) .

Risks & Ambiguities

Issue Why it matters What to verify
“Interior-only modifications” exemption Projects limited to interior work may be exempt from Plan Review Confirm scope qualifies as interior-only under § 20.408.040.A.1.e; grey areas (e.g., storefront updates) should be clarified with staff
Director vs. Planning Commission review Determines timeline, hearing needs, and appeal posture Ask the Planner of the Day which tier your project falls into; check district chapters listing Plan Review sections (e.g., R‑2 § 20.216.050; R‑3 § 20.220.050)
Mixed‑Use frontage activation percentages The 75% pedestrian-oriented feature rule and major-street nonresidential frontage drive façade design How frontage lengths are measured and where reductions may be allowed by the review authority under § 20.258.030.D
Industrial sites near homes Triggers a CUP in addition to Plan Review in M‑1 Confirm the 300 ft distance and “residential neighborhood with >20 parcels” condition under § 20.252.050
WD Overlay locations Arterial walls must meet 6–8 ft height, setback, and material specs Verify if your frontage is mapped in the WD Overlay and coordinate pilaster/cap details with the City Planner under § 20.262.010–.040
Historic resource changes Major alterations go to Commission with compatibility findings Whether your property is designated/listed, and whether your scope is “major,” under § 20.60.060–.080; appeals follow Ch. 20.424
PD and PC areas PDs and PCs may have alternative, project‑specific design standards Whether a PD or PC Master Plan sets alternative standards that supersede base zone metrics (§ 20.260.050, § 20.272.030.F)
Revisions to CUP site plans Some changes can be processed via Plan Review; others must amend the CUP Whether your change is a “minor revision” under § 20.408.030.F or requires returning to the CUP hearing body
Appeal windows Missing an appeal deadline locks in conditions Confirm when the decision was issued and count the 10‑day appeal period in § 20.408.040.B.3 & B.6; consult Ch. 20.424 for procedure

Plain-English Summary

Brea’s “design review” is the Plan Review process that checks your site plan, architecture, landscaping, and related features against the city’s zoning rules. Most multifamily, commercial, industrial, and mixed‑use projects require it, and some single‑family projects do too. You submit plan sets, staff reviews them, and either the Planning Director or Planning Commission issues conditions to make the project comply. Expect stricter street‑front design in mixed‑use areas and special rules in hillside, overlay, or master‑planned zones.

Source References

Sources

Retrieved passages

  • Brea Zoning Code (§ 20.408.040.) High relevance
  • Brea Zoning Code (title is) High relevance
  • Brea Zoning Code (chapter shall) Medium relevance
  • Brea Zoning Code (§ 20.272.030) Medium relevance
  • Brea Zoning Code (§ 20.258.030) Medium relevance
  • Brea Zoning Code (§ 20.408.040.) Medium relevance
  • Brea Zoning Code (§ 20.56.050.) Medium relevance
  • CBC § 20.08.040 (§ 20.08.040.D.) Medium relevance
  • Brea Zoning Code (§ 20.258.030) Medium relevance
  • Brea Zoning Code (§ 20.258.020) Medium relevance
  • Brea Zoning Code (§ 20.258.020) Medium relevance
  • Brea Zoning Code (§ 20.258.030) Medium relevance
  • Brea Zoning Code (§ 20.206.110.) Medium relevance
  • Brea Zoning Code (§ 20.206.028.) Medium relevance

Cited sections

Frequently asked questions

Do I need design review for a new single-family home in Brea?

If your new single-family dwelling is part of a larger development with two or more lots in the R‑1, R‑1 5,000, or R1‑H zones (and not otherwise exempt), it requires Plan Review. Stand‑alone interior-only work is exempt. Director decisions issue within 30 days and become effective after 10 days unless appealed (§ 20.408.040.A.1.a, B.3–B.6) .

Are interior remodels exempt from Plan Review?

Yes, Plan Review “does not apply to developments that only involve interior modifications.” If the scope touches exteriors (e.g., new storefront, façade, or site work), expect Plan Review to apply (§ 20.408.040.A.1.e) .

Who approves design review in Brea and can I appeal?

The Planning Director issues decisions for items not requiring Planning Commission review; Commission items are heard at a meeting. In both cases, decisions become effective after a 10‑day appeal window under Chapter 20.424 (§ 20.408.040.B.3, B.6) .

What Mixed-Use street-front design standards should I expect?

Expect pedestrian-focused edges, limited blank walls, and active frontage. At least 75% of primary street frontage must provide pedestrian-oriented features in MU districts (subject to case-by-case reduction), and MU‑III along major streets prioritizes nonresidential ground-floor frontages with minimum depth and wrap rules (§ 20.258.030.D; § 20.258.030.A.4–5) .

I’m proposing an industrial building near homes—anything special?

In the M‑1 zone, if your site is within 300 ft of a residential zone or a residential neighborhood with more than 20 parcels, you must obtain a CUP in addition to Plan Review (§ 20.252.050) .

How does Plan Review interact with signage, parking, and landscaping?

Plan Review enforces cross‑chapter standards, including Off‑Street Parking (§ 20.08.040), Signs (Ch. 20.28), and Landscaping (§ 20.236.040.M). Your plan set should clearly show compliance to avoid conditions or delays (§ 20.258.020–.030 references) .

My ADU doesn’t meet all objective standards—does design review apply?

If an ADU or junior ADU does not conform to the established standards, the city may process it through a Certificate of Compatibility procedure to assess planning and architectural fit (§ 20.400.030; § 20.52.040.K) .

What is the WD Wall Design Overlay and why did it come up in review?

Projects on arterials mapped in the WD Overlay must meet standardized wall height (6–8 ft), setback, material/color, and pilaster/cap details. Plan Review will condition perimeter walls to meet those standards (§ 20.262.010–.040) .

Do historic buildings face extra design review steps?

Yes. “Major” alterations to historic resources go to the Planning Commission for review, with compatibility findings and the usual appeal provisions of Chapter 20.424 (§§ 20.60.060–.080) .

What happens to design review timing if I’m in a Precise Development or Planned Community?

PD zones require a separate Precise Development review for design detail; Planned Community Master Plans can set alternative design standards the city applies at project review. Confirm which standards control your site (§ 20.260.050; § 20.272.030.F) .

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