Pleasant Hill — Design Review

Overview

Pleasant Hill runs “design review” through its Architectural Review Permit (ARP) process in Title 18 of the Zoning Ordinance. ARPs are decided by the Zoning Administrator or the Architectural Review Commission (ARC), depending on project type, with public hearings required for ARC actions. Design review focuses on architecture, site layout, landscaping, grading, lighting, and signage—tethered to adopted Citywide Design Guidelines and objective standards, not to re‑write zoning. See the broader context on the City’s zoning, development standards, and overlay districts.

Key rule: If your project changes the exterior or site plan and needs a Building Permit, expect an Architectural Review Permit unless it’s a minor single‑family remodel; single‑family “initial construction” and “substantial additions” always go through ARP (§ 18.120.010.B).

What triggers design review in Pleasant Hill

• Architectural Review Permit (ARP) is required before a Building Permit for:
  • Any construction, addition, or exterior alteration to a site plan, building, structure, and/or landscape plan for projects other than a single‑family residence (§ 18.120.010.B.1).
  • A single‑family residence at initial construction, or a “substantial addition” as determined by the Zoning Administrator (ZA). Routine single‑family remodeling, additions, and accessory structures do not need an ARP but get staff‑level conformance review to the Citywide Design Guidelines during Building Permit review (§ 18.120.010.B.2).
• The ARC’s scope includes site plan and physical design, signs and locations, and lighting; it weighs factors like height/mass, materials/colors, relationships to surroundings, landscaping, fences/walls, and grading visual impacts (§ 18.120.030.F; signs cross‑referenced to § 18.95.070 and § 18.95.090).
• Findings for approval require excellence in architectural design, visual harmony with surroundings and natural landforms, landscaped open space quality, minimized hillside grading, and compliance with Citywide Design Guidelines and Residential Objective Design Standards (§ 18.120.030.G).

Process, timelines, and appeals

• Application: Submit a complete application; the ZA may add/waive submittal items needed to determine compliance (§ 18.120.030.A).
• Hearing/notice: ARC actions require a noticed public hearing; ZA decisions and qualifying streamlined ministerial reviews do not (§ 18.120.030.B).
• Decision timeline: Within 20 working days after the hearing, the ARC approves, conditionally approves, or denies (§ 18.120.030.C).
• Effective date: Decisions are effective 10 calendar days after mailing of the decision notice, unless appealed (§ 18.120.030.D).
• Appeals: ZA decisions may be appealed to the ARC; ARC decisions may be appealed to City Council (§ 18.120.030.E).
• Re‑submittal bar: After a denial, substantially the same application cannot be refiled for 12 months unless the denial was “without prejudice” (§ 18.120.060).

What design review can—and cannot—condition

• The ARC/ZA may impose conditions reasonably related to the application and consistent with Chapter 18.120 (§ 18.120.040).
• They cannot impose requirements more restrictive than zoning/Planning Commission actions on use, density, FAR, open space, setbacks (including ridgeline and creek setbacks), parking or loading, or signs (§ 18.120.040). Coordinate with base standards in development standards and parking.

Streamlined design review for qualifying mixed‑use housing

• If a mixed‑use project dedicates at least two‑thirds of its gross floor area to residential and qualifies for streamlined permit review under State law, the ZA conducts ministerial ARP review solely for compliance with mixed‑use development standards and applicable objective design standards (§ 18.20.040.F.2). If not compliant with objective standards, the project proceeds through discretionary ARP (§ 18.20.040.F.2).

Cross‑cutting design items the ARC commonly checks

• Signs: Appropriateness and compliance with specific and temporary sign standards (§ 18.120.030.F.8; § 18.95.070; § 18.95.090). Sites with 5,000+ sq ft of renovation or more than four nonresidential tenants need a Master Sign Program, reviewed by the ARC (§ 18.95.110.A–B). See signage.
• Landscaping and walls: Planting locations, setbacks, species, and screening; for mixed‑use next to single‑family, a minimum 5 ft planting area with at least five trees per 100 linear ft, plus a 6–8 ft solid wall except near streets where max is 3 ft within 15 ft of the street (§ 18.20.040.C.1–2). See also landscaping and screening.
• Massing near single‑family edges in mixed‑use districts: For buildings over 35 ft, apply either stepbacks of at least 1 ft horizontal for every 1 ft over 35 ft, or increase side/rear setbacks 1 ft/ft of height over 35 ft (capped at 10 ft) (§ 18.20.040.C.3).
• Grading/topography: Extent of grading and visual impacts; hillside siting and preservation of natural landforms are explicit review factors (§ 18.120.030.F.9; § 18.35.050).
• Windows/transparency: Not more than 30% of any storefront door/window pane may be blocked/opaque unless approved by the ARC (§ 18.25.040.G).
• EV/bicycle: For non‑commercial classifications, the ARP/Use Permit/Development Plan specifies the number of EV spaces; bicycle parking is required per district and use (§ 18.80.090.A.2, B–C). Note: technical standards may also be in the California Building Standards Code.

How design review interfaces with other approvals

• Recycling facilities: Many facility types require both a Minor Use Permit and an ARP (see Table 18.25‑C) (§ 18.25.140.A).
• Historic and Cultural overlays: In “‑H” Historic District or “‑CR” Cultural Resource designations, a Certificate of Appropriateness is required for exterior work; ARC approval is required before demolition (§ 18.40.020.C.3–4). Coordinate early with Historic Preservation.
• Planned/Specific Plans: For rezonings to PUD/PPD or HPUD, the ARC reviews and recommends on concept plans before Planning Commission and Council actions (§ 18.30.060.A–C; § 18.35.070.A–C). Hillside design standards apply in HPUD (§ 18.35.050).

Design Review — Process Essentials

District‑by‑District: How Design Review Plays Out

The base and overlay zoning districts in Pleasant Hill are established in § 18.05.050 (Table 18.05‑A). Below, “key dimensional standards” highlight district‑level density/FAR and select minimum lot sizes where provided. Where parcel‑specific standards are needed, Verify with the jurisdiction and see the City’s zoning & planning overview.

R-20 and R-15 (Single‑Family Low Density)

• Purpose/uses: Low‑density single‑family neighborhoods (1.3–3 du/ac) (§ 18.15.010.B.1).
• Key standards: Minimum lot sizes of 20,000 sq ft (R‑20) and 15,000 sq ft (R‑15) (§ 18.15.010.B.1; § 18.05.050 Table 18.05‑A).
• Design review: ARP for initial single‑family construction or ZA‑determined substantial additions; routine remodels reviewed for guideline conformance at staff level (§ 18.120.010.B.2). ARC will consider neighborhood visual harmony and landscaping (§ 18.120.030.F, G).

R-10 and R-10A (Single‑Family Medium Density)

• Purpose/uses: Single‑family at 3.1–4.5 du/ac (§ 18.15.010.B.2).
• Key standards: R‑10 minimum lot 10,000 sq ft; R‑10A minimum 7,000 sq ft with an average lot size of 10,000 sq ft (§ 18.15.010.B.2; § 18.05.050).
• Design review: Same ARP triggers as above; ARC focuses on siting, massing, compatibility (§ 18.120.010.B.2; § 18.120.030.F–G).

R-7 and R-6 (Single‑Family High Density)

• Purpose/uses: Higher‑density single‑family and lower‑density multi‑family (4.6–6.9 du/ac) (§ 18.15.010.B.3).
• Key standards: Minimum lots: 7,000 sq ft (R‑7) and 6,313 sq ft (R‑6) (§ 18.15.010.B.3; § 18.05.050).
• Design review: As above; added sensitivity to transitions with nearby multi‑family allowed by district (§ 18.120.030.F–G).

RMD (Mangini‑Delu Residential)

• Purpose/uses: Variety of housing while preserving open space (4.6–13 du/ac), governed by a site‑wide master plan (§ 18.15.010.B.4).
• Key standards: Master‑planned; district standards set in the plan (§ 18.15.010.B.4; § 18.15.030.C).
• Design review: ARP occurs within the framework of the approved master plan and Citywide/Objective standards (§ 18.120.030.G).

MFVL, MFL, MFM, MFH, MFVH (Multi‑Family Ranges)

• Purpose/uses: Multi‑family from very low to very high densities (§ 18.15.010.B.5–9).
• Key standards: Density ranges: 7–12 du/ac (MFVL); 12.1–20 (MFL); 20.1–30 (MFM); 30.1–40 (MFH); 40.1–73 (MFVH) (§ 18.05.050).
• Design review: Discretionary ARP unless processed ministerially under applicable objective standards (especially when part of mixed‑use with ≥2/3 residential; § 18.20.040.F.2). ARC reviews massing, materials, open space landscaping, and grading (§ 18.120.030.F–G).

MX-NB, MX, MX-HD, MX-VHD (Mixed‑Use)

• Purpose/uses: Mixed residential/commercial neighborhoods and corridors with FAR 0.4–0.85 and residential densities 12–100 du/ac depending on MX tier (§ 18.05.050).
• Key standards:
  • Commercial minimums by corridor: 25% GFA (Contra Costa Blvd, Monument Blvd, Golf Club Dr, Downtown Specific Plan Area), 15% (Gregory Ln, Oak Park Blvd, Pleasant Hill Rd), 10% elsewhere; exemptions and reduction pathways apply (§ 18.20.040.B, Table 18.20‑C).
  • Edge protections next to single‑family: planting strip, walls, stepbacks/setbacks as noted above (§ 18.20.040.C).
  • Landscaping: Up to 50% of required landscaping may be decorative hardscape/pervious pavement with ARC or Planning Commission approval (§ 18.20.040.D.2).
• Design review: May be ministerial when ≥2/3 residential and qualifies; otherwise discretionary ARP with ARC findings (§ 18.20.040.F.2; § 18.120.030.G).

NB, RB, PAO, C, LI (Commercial/Office/Industrial)

• Purpose/uses: Neighborhood business (NB, max FAR 0.35), retail business (RB, FAR 0.4), professional/administrative office (PAO, FAR 0.4), general commercial (C, FAR 0.4), and limited industrial (LI, FAR 0.35) (§ 18.05.050).
• Design review: Discretionary ARP for exterior/site changes (§ 18.120.010.B.1); ARC enforces Citywide Design Guidelines (§ 18.25.040.D) and storefront visibility limits (≤30% window area blocked; § 18.25.040.G). EV/bicycle facilities may be conditioned per § 18.80.090. Master Sign Programs go to ARC (§ 18.95.110).

REC (Parks and Recreation)

• Purpose/uses: Parkland and recreational facilities for the Pleasant Hill Recreation & Park District (§ 18.45.010.A–B).
• Design review: ARP applies to development on REC‑zoned land; Rec & Park Board is a separate entity also reviewing its properties (§ 18.45.010.C). ARC focuses on site design and compatibility (§ 18.120.030.F).

PUD/PPD (Planned Unit Development/Precise Plan District)

• Purpose/uses: Customized standards via a Concept Plan/Specific Plan; can apply in any land use designation (§ 18.05.050; § 18.30.060.A).
• Design review: ARC reviews and recommends on PUD concept plans before Planning Commission and Council actions (§ 18.30.060.A–C). ARP/Use Permits can be processed concurrently with City Council as the final decision maker (§ 18.30.060.F).

HPUD (Hillside Planned Unit Development)

• Purpose/uses: Limited residential on parcels averaging ≥15% slope (§ 18.15.010.B.10).
• Key standards: Hillside design standards emphasize grading minimization, ridge protection, landscaping transitions, and clustering (§ 18.35.050).
• Design review: ARC recommendation on HPUD concept plans (§ 18.35.070.C) and ARP findings include hillside grading minimization (§ 18.120.030.G.4).

OS (Open Space)

• Purpose/uses: Open space; no minimum/maximum density established (§ 18.05.050).
• Design review: ARP applies to qualifying improvements; ARC will emphasize natural landform preservation (§ 18.120.030.F, G).

H and CR (Historic and Cultural Resource Overlays)

• Purpose/uses: Protect historic (“‑H”) and cultural resource (“‑CR”) sites over any base district (§ 18.40.020.C.2).
• Design review: Certificate of Appropriateness required before exterior work; ARC approval required before demolition in these overlays (§ 18.40.020.C.3–4). Coordinate with Historic Preservation.

Checklist

• Confirm your project needs an ARP (non‑single‑family exterior/site work, or single‑family initial construction/ZA‑determined substantial addition) (§ 18.120.010.B).
• Prepare a complete ARP application; expect the ZA may require or waive materials to evaluate standards (§ 18.120.030.A).
• Demonstrate compliance with Citywide Design Guidelines and, where applicable, Residential Objective Design Standards (§ 18.120.030.G.5; § 18.20.040.F.2).
• Provide site plan, elevations, materials/colors, lighting plan, landscape/irrigation concept, grading quantities and contours (§ 18.120.030.F.1–9).
• If in mixed‑use districts and abutting single‑family, show the required 5‑ft planting strip (with tree count), 6–8 ft solid wall, and either 1:1 stepbacks or added setbacks for height over 35 ft (§ 18.20.040.C).
• If proposing decorative hardscape to count toward landscaping in mixed‑use, request ARC/PC approval (≤50% of required area) (§ 18.20.040.D.2).
• Address storefront visibility (≤30% blocked) for eligible commercial façades or seek ARC approval (§ 18.25.040.G).
• Ensure signs comply with specific/temporary standards; submit/coordinate a Master Sign Program if required (§ 18.95.070; § 18.95.090; § 18.95.110).
• If in “‑H” or “‑CR” overlays, obtain a Certificate of Appropriateness; plan for ARC demolition review if applicable (§ 18.40.020.C.3–4).
• For non‑commercial uses, include EV parking quantities as may be set through ARP; provide bicycle parking per use (§ 18.80.090.A.2, B).

Risks & Ambiguities

Plain-English Summary

Pleasant Hill’s Architectural Review Permit looks at the look and layout—architecture, materials, site plan, landscaping, grading, lights, and signs—against the City’s design guidelines and objective standards. Most exterior work outside single‑family remodeling needs an ARP; new single‑family builds and big additions do, too. The ARC holds a hearing and decides within 20 working days, and can add design‑related conditions—but can’t change your allowed use, density, FAR, setbacks, or parking set by zoning.

Source References

• Pleasant Hill Zoning Ordinance — Architectural Review Permits: § 18.120.010; § 18.120.030; § 18.120.040; § 18.120.060 (https://ecode360.com/PL4591)
• Mixed‑Use Additional Development Standards and ministerial ARP pathway: § 18.20.040 (https://ecode360.com/PL4591)
• Historic and Cultural Resource Overlays and demolition review: § 18.40.020 (https://ecode360.com/PL4591)
• Zoning districts established; densities/FAR; district list: § 18.05.050 (Table 18.05‑A) (https://ecode360.com/PL4591)
• Residential districts purposes and lot size/density ranges: § 18.15.010; § 18.15.030 (https://ecode360.com/PL4591)
• Commercial/Industrial design compatibility and window visibility: § 18.25.040 (https://ecode360.com/PL4591)
• Recycling facilities and ARP/MUP table: § 18.25.140 (Table 18.25‑C) (https://ecode360.com/PL4591)
• Parks and Recreation district purpose/role: § 18.45.010 (https://ecode360.com/PL4591)
• PUD/PPD establishment and ARC recommendations: § 18.30.060 (https://ecode360.com/PL4591)
• HPUD establishment and ARC recommendations; hillside design standards: § 18.35.070; § 18.35.050 (https://ecode360.com/PL4591)
• EV, bicycle, and alternative transportation facilities: § 18.80.090 (https://ecode360.com/PL4591)
• Master Sign Program and ARC authority: § 18.95.110 (https://ecode360.com/PL4591)

Source passages

• Pleasant Hill Zoning Code (§ 18.120.030) High relevance show source text
• Pleasant Hill Zoning Code (§ 18.20.040) High relevance show source text
• Pleasant Hill Zoning Code (§ 18.35.070) High relevance show source text
• Pleasant Hill Zoning Code (§ 18.15.010) Medium relevance show source text
• Pleasant Hill Zoning Code (§ 18.30.060) Medium relevance show source text
• Pleasant Hill Zoning Code (§ 18.40.020) Medium relevance show source text
• CGBSC § 18.80.090 (§ 18.80.090) Medium relevance show source text
• Pleasant Hill Zoning Code (§ 18.05.050) Medium relevance show source text
• Pleasant Hill Zoning Code (§ 18.45.010) Medium relevance show source text
• Pleasant Hill Zoning Code (§ 18.15.030) Medium relevance show source text
• Pleasant Hill Zoning Code (§ 18.25.140) Medium relevance show source text
• Pleasant Hill Zoning Code (§ 18.120.060) Medium relevance show source text
• Pleasant Hill Zoning Code (§ 18.120.010) Medium relevance show source text
• Pleasant Hill Zoning Code (§ 18.120.040) Medium relevance show source text
• Pleasant Hill Zoning Code (§ 18.95.110) Medium relevance show source text
• Pleasant Hill Zoning Code (§ 18.35.050) Medium relevance show source text

Cited sections

• Pleasant Hill Zoning Ordinance — Architectural Review Permits: § 18.120.010; § 18.120.030; § 18.120.040; § 18.120.060 () (§ 18.120.010)

• Official Pleasant Hill code library