Calimesa — Design Review

Last reviewed: July 3, 2026

Overview

Design review in Calimesa is administered through the city's Development Plan Review procedures and through district-specific design standards (downtown, commercial, industrial, hillside, etc.). The rules define when an application is a minor development plan review or major development plan review, who decides, and the written findings required to approve or condition design and site plans. See the city's zoning framework for the applicable zone or overlay for project‑specific standards. For related topics see the city’s pages on Calimesa Zoning, Calimesa Land Use, Calimesa Development Standards, Calimesa Parking, Calimesa Overlay Districts, Calimesa ADUs and the California Building Standards Code.

How Calimesa treats "design review"

• The municipal code folds architectural/site design scrutiny into Chapter 18.90 — Development Plan Review. The chapter establishes the procedures, definitions, approving authority, thresholds and required findings for both minor development plan review (§ 18.90.030) and major development plan review (§ 18.90.040) .
• Design elements tied to signs, landscaping, downtown form, industrial architecture, and hillside treatment are separately handled by the district or chapter that controls those standards (for example, signage in Chapter 18.50, landscaping in Chapter 18.75, downtown standards in Chapter 18.39, and industrial architectural rules in Chapter 18.30) — and many of those sections require design review or make design review part of project approval .

Triggers, approving authority, and required findings (quick)

• Projects that meet the minor thresholds listed in § 18.90.030 (e.g., single‑family homes outside tract maps, small accessory buildings, signs, ADUs) follow Minor Development Plan Review; the Planning Director is the default approving authority, but the Director may elevate to the Planning Commission .
• Larger projects (master home plans, all new commercial/industrial/institutional buildings, multifamily developments, and other triggers listed in § 18.90.040) require Major Development Plan Review and are heard by the Planning Commission .
• Both minor and major review require written findings that the project is consistent with the General Plan and city code, that the site design is safe and compatible with surrounding properties, and that the architecture is compatible with community standards (see the findings lists in § 18.90.030(G) and § 18.90.040(F)) .

Decision‑relevant standards (table)

District-by-district breakdown (where design review ties to district rules)

The city’s zoning map divides Calimesa into specific zone districts (see the zone list in § 18.05.080). The code ties design review to the following districts and chapters; each subsection below summarizes the district purpose, typical uses, the most relevant dimensional/design standards that inform design review, and where the district standards apply.

O-S-R, R-E, R-R, R-L, R-L‑M, R‑M, R‑H (Residential districts)

• Purpose: Range from open‑space/residential estate (low density) to high‑density residential. The zones and related development standards are established in Chapter 18.20 and tabled in § 18.20.040 .
• Typical permitted uses: Single‑family homes, accessory dwelling units (ADUs), community care facilities, and limited accessory uses (the permitted uses table is in § 18.20.030) .
• Key dimensional/design standards used in design review: lot sizes, front/side/rear setbacks, maximum height (two stories/32' typical or up to 40' in higher zones), lot coverage, minimum/maximum densities — summarized in § 18.20.040 (Table 18.20.040) and notes clarifying side/rear yard rules in § 18.20.040 Notes .
• Where it applies: Citywide residential parcels unless superseded by overlays (e.g., RIPAOZ) or downtown rules. Projects in residential zones may require minor or major plan review per Chapter 18.90 depending on scope .

RIPAOZ — Residential Infill Priority Area Overlay Zone

• Purpose: Implement housing element site expectations; allows by‑right housing on some sites but still subjects projects to design review (the ordinance makes clear "use by right" projects remain subject to design review but the review is not a "project" under CEQA) § 18.20.020(H) .
• Typical uses: Increased residential densities targeted for lower‑income RHNA sites; minimum density requirements may apply.
• Design implications: Design review applies, but CEQA/project categorization for affordable housing is treated specially — verify project‑specific treatment with staff .

C‑N, C‑C, C‑R, O‑P (Commercial and Office districts; Chapter 18.25)

• Purpose: Neighborhood, community, and regional commercial centers and office/professional districts with explicit commercial design standards.
• Typical uses: Retail, restaurants, offices, service uses; signs and landscaping are regulated and subject to design review or master sign program review (see Chapter 18.50) .
• Key dimensional/design standards: Commercial design guidelines in § 18.25.060 (building articulation, materials, screening of mechanical equipment, prohibited facade materials, roof forms), and signage standards in Chapter 18.50 .
• Where it applies: To parcels shown in the zoning map; downtown areas may have additional downtown rules that control over general commercial district provisions .

R‑MU, C‑MU, O‑MU (Mixed Use Zones; Chapter 18.28)

• Purpose: Encourage integrated mixed‑use centers with pedestrian orientation and specific frontage/street standards.
• Typical uses: Vertical and horizontal mixes of residential and commercial uses.
• Key design standards: Building placement, maximum structure heights (Table 18.28.050‑3 lists 25' as a general maximum in mixed use subtypes), pedestrian frontage rules, and shared parking concepts — all inform design review (see § 18.28.050 and § 18.28.070 for concept plan requirements) .
• Where it applies: Properties mapped as mixed use districts; conceptual plan review is required for new development in these districts § 18.28.070 .

Downtown Business District — DVC (Downtown Village Commercial) and DNC (Downtown Neighborhood Commercial) (Chapter 18.39)

• Purpose: Create a pedestrian‑oriented downtown character; the downtown chapter contains its own development and design guidelines that take precedence where they conflict with the general zoning code § 18.39.030–040 .
• Typical uses: Mix of retail, dining, office and upper‑story residential in DVC; shopping‑center style uses in DNC.
• Key design standards: Frontage/street orientation, storefront character, specific fence/wall height limits (Table 18.39.060‑2), open space requirements for mixed use, and streetscape/street furniture guidance — all applied through design review § 18.39.060–110 .
• Where it applies: Downtown business district boundaries on the official zoning map; downtown chapter controls over duplicate zoning provisions § 18.39.030(C) .

L‑I and Industrial districts (Chapter 18.30)

• Purpose: Industrial development with performance standards and specific architectural controls.
• Typical uses: Light industrial, warehousing, distribution, selected industrial uses.
• Key design standards: Chapter 18.30.080 (industrial design standards) and an Architectural Review Committee process described in Chapter 18.30; mechanical and service areas must be screened and visual impacts limited (§ 18.30.080 and related subsections) .
• Where it applies: Industrially zoned parcels; design review can be a formal component of discretionary approvals.

Special districts & overlays (examples)

• Planned Residential Development (PRD): PRD overlay procedures and additional design flexibility are in § 18.40.010; PRDs are reviewed as a whole and include design standards for circulation, open space, and building placement .
• Calimesa Creek Overlay (CCO): Specific creekfront design expectations (buildings must address creek frontage, avoid concrete channelization, coordinate pedestrian links) are in § 18.40.030 and are applied through development review .
• Hillside Development Regulations: If slopes exceed 16%, Chapter 18.55 applies and design review must ensure sensitive grading, siting, and preservation of natural landforms § 18.55.010–020 .

Practical guidance and interpretation

• Start with Chapter 18.90 to determine whether your project is subject to minor or major development plan review because the procedural path and approving authority differ; the thresholds are explicit in § 18.90.030 and § 18.90.040 .
• Match your parcel to its zone (see § 18.05.080 zone list) and then read the zone chapter for the district‑specific design rules (residential rules in Chapter 18.20, downtown rules in Chapter 18.39, mixed use in Chapter 18.28, commercial in Chapter 18.25) — downtown rules control where applicable § 18.39.030(C) .
• Design review routinely considers: building orientation, massing, materials, colors, landscaping and irrigation (see Chapter 18.75 requirements for landscape documentation packages), parking layout (see Calimesa Parking / Chapter 18.45), and sign design (Chapter 18.50) — be prepared to submit renderings, elevations, landscape plans, and materials samples .
• For projects involving ADUs, review Chapter 18.20 rules for ADUs and note ADUs are specifically listed among minor development triggers in § 18.90.030(B)(9) (Accessory dwelling units are subject to minor development plan review) — consult the city ADU page for policy intersections with state ADU law .

Checklist (what an applicant must satisfy)

• Confirm parcel zone and applicable overlays (see § 18.05.080) .
• Determine if your project is Minor or Major per § 18.90.030 / § 18.90.040; identify approving authority (Planning Director or Commission) .
• Submit application in the format required by the Planning Department (per § 18.90.030(E) referencing the application rules in § 18.15.020) .
• Provide architectural elevations, site plan showing access/parking (Chapter 18.45 standards), grading and drainage (if applicable), and landscape documentation package when landscaping/water efficiency rules apply (§ 18.75.100–160) .
• Address district design standards where relevant: downtown design rules (§ 18.39), commercial material/finish rules (§ 18.25.060), industrial architectural controls (§ 18.30.080) .
• Include signage proposals consistent with Chapter 18.50 (signs are reviewed through design review/master sign program process) .
• Be ready to demonstrate findings required by the code: consistency with General Plan, safe/functional/site‑sensitive design, and architectural compatibility (§ 18.90.030(G) / § 18.90.040(F)) .

Risks & Ambiguities

Plain‑English summary

If your project changes how a building looks or how the site is laid out in Calimesa, the city’s Development Plan Review rules determine whether you need a minor or major design review. The Planning Director handles smaller cases; the Planning Commission handles larger ones. Review checks consistency with the General Plan, safety, site design (parking, access, landscaping), and whether the building’s architecture fits the neighborhood — the specific wording and thresholds are in Chapter 18.90 and in the zone chapters that contain your parcel’s rules (e.g., Chapter 18.20 for residential, Chapter 18.39 for downtown) .

Source References

• Calimesa Municipal Code — Development Plan Review: § 18.90.010–040 (Purpose; Unapproved development prohibited; Minor & Major Development Plan Review) .
• Calimesa Municipal Code — Residential districts and development standards: § 18.20.030–040 (Uses and Table 18.20.040 standards) .
• Calimesa Municipal Code — Zone districts list: § 18.05.080 (Zone district symbols and names) .
• Calimesa Municipal Code — Downtown Business District: § 18.39.030–110 (Downtown zones DVC/DNC, streetscape and design guidelines) .
• Calimesa Municipal Code — Mixed Use Zone standards (heights, frontage, parking): § 18.28.050–070 (Mixed use development and conceptual plan review) .
• Calimesa Municipal Code — Commercial design standards: § 18.25.060 (materials, façades, screening) .
• Calimesa Municipal Code — Sign regulations and design review references: Chapter 18.50 (including § 18.50.060) .
• Calimesa Municipal Code — Landscape and water‑efficiency/landscape documentation package: Chapter 18.75 (including § 18.75.060–100) .
• Calimesa Municipal Code — Planned Residential Development & Calimesa Creek overlay: § 18.40.010 and § 18.40.030 .
• Calimesa Municipal Code — Hillside Development Regulations: Chapter 18.55 (purpose and application) .

Retrieved passages

• CMC § 18.75.040 (§ 2) High relevance show source text
• CMC § 18.90.030 (§ 18.90.040.) High relevance show source text
• CMC § 18.75.040 (§ 2) High relevance show source text
• CMC § 18.90.010 (§ 18.90.010.) High relevance show source text
• CMC § 18.90.030 (§ 18.90.040) Medium relevance show source text
• Calimesa Zoning Code (§ 18.39.110.) Medium relevance show source text
• CMC § 18.25.060 (Chapter 18.120) Medium relevance show source text
• CMC § 18.15.020 (§ 18.90.030) Medium relevance show source text
• Calimesa Zoning Code (§ 18.28.050) Medium relevance show source text
• CMC § 18.100.050 (§ 18.40.010) Medium relevance show source text
• CMC § 18.20.020 (Title 16) Medium relevance show source text
• CMC § 18.20.060 (§ 18.20.060) Medium relevance show source text
• CMC § 18.39.060 (§ 18.39.060) Medium relevance show source text
• CMC § 18.20.060 (§ 18.20.040.) Medium relevance show source text
• CMC § 18.20.040 (§ 18.39.080) Medium relevance show source text
• Calimesa Zoning Code (§ 18.20.040) Medium relevance show source text

Cited sections

• Calimesa Municipal Code — Development Plan Review: **§ 18.90.010–040** (Purpose; Unapproved development prohibited; Minor & Major Development Plan Review) . (§ 18.90.010)
• Calimesa Municipal Code — Residential districts and development standards: **§ 18.20.030–040** (Uses and Table 18.20.040 standards) . (§ 18.20.030)
• Calimesa Municipal Code — Zone districts list: **§ 18.05.080** (Zone district symbols and names) . (§ 18.05.080)
• Calimesa Municipal Code — Downtown Business District: **§ 18.39.030–110** (Downtown zones DVC/DNC, streetscape and design guidelines) . (§ 18.39.030)
• Calimesa Municipal Code — Mixed Use Zone standards (heights, frontage, parking): **§ 18.28.050–070** (Mixed use development and conceptual plan review) . (§ 18.28.050)
• Calimesa Municipal Code — Commercial design standards: **§ 18.25.060** (materials, façades, screening) . (§ 18.25.060)
• Calimesa Municipal Code — Sign regulations and design review references: **Chapter 18.50** (including **§ 18.50.060**) . (Chapter 18.50)
• Calimesa Municipal Code — Landscape and water‑efficiency/landscape documentation package: **Chapter 18.75** (including **§ 18.75.060–100**) . (Chapter 18.75)
• Calimesa Municipal Code — Planned Residential Development & Calimesa Creek overlay: **§ 18.40.010** and **§ 18.40.030** . (§ 18.40.010)
• Calimesa Municipal Code — Hillside Development Regulations: **Chapter 18.55** (purpose and application) . (Chapter 18.55)
• Calimesa_ZoningCode.md