Rohnert Park — Design Review

Last reviewed: July 2, 2026

Overview

Design review in Rohnert Park is the local process that evaluates exterior design, site layout, landscaping, signage and how new or altered development fits its neighborhood. The primary city standards and procedures live in the Zoning Ordinance (Title 17): the general Site Plan and Architectural Review rules (§ 17.25.030–.033) and a separate Design Review regime that applies inside special areas such as the Downtown DDAZ Form‑Based Code Overlay and the SOMO Village Planned Development (SVPD) (§ 17.06.700 et seq.).

This page explains what triggers review, who decides, the key submittal/decision standards, how the DDAZ and SVPD regimes differ, and practical steps for applicants. For actionable rules on parking, setbacks and numeric development standards see the city's Development Standards and Parking pages; for ADU treatment see the ADUs guidance; for overlay requirements see Overlay Districts; and for technical building code requirements see the California Building Standards Code.

Controlling Ordinance chapters and sections

• Title 17, Chapter 17.25 Article III: Site Plan and Architectural Review — § 17.25.030, § 17.25.031, § 17.25.032, § 17.25.033 (purpose, applicability, submittal requirements, findings).
• Title 17, Chapter 17.06 Article XV / DDAZ FBC Overlay: Design Review for Downtown (DDRB rules) — § 17.06.700 et seq., especially § 17.06.740.D (Design Review) and Table 17.06.740.A.3.a (review authority).
• Title 17, Article XV.A (SV Planned Development / SVPD) — SV design standards, SV DRB procedures and exemptions (see SVPD administration and design review rules). § 17.06.820 and related SVPD subsections.
• Title 17, § 17.08.040 — Accessory Dwelling Units (ADUs) (ministerial processing rules and design limits).

District-by-district breakdown

Note: the ordinance uses conventional zone groupings (residential/commercial/industrial) plus special overlay and planned development districts that impose their own design-review systems. Below are the districts or program areas that specifically change how design review works in Rohnert Park, with the code citations that establish purpose, applicability and review thresholds.

Residential districts (general)

• Purpose: regulate housing and neighborhood character; ensure compatibility for additions and other exterior changes.
• Typical permitted uses: single‑family, duplexes, multifamily as set in Title 17 use tables; Accessory Dwelling Units (ADUs) allowed with ministerial rules.
• Key design‑review triggers: Planning Commission-level site plan/architectural review is required for "any new site plan or building proposed in a residential district that is greater than 128 sq ft" unless the Director finds a single‑family project consistent with surrounding standards (§ 17.25.031.A.1).
• Where it applies: citywide residential zones (see Title 17 use tables and definitions). Verify zone name (e.g., R‑something) for your parcel on the zoning map. Verify with the jurisdiction.

Commercial districts — including C‑N, C‑O, C‑R (as referenced in the code)

• Purpose: permit and regulate neighborhood, office and general commercial uses while protecting pedestrian character in targeted areas.
• Typical permitted uses: retail, offices, restaurants, service uses; specific use tables control actual allowed uses per zone.
• Key design‑review triggers: Planning Commission-level review for "any new site plan or building proposed in a commercial district that is greater than 250 sq ft and which would be visible from the public right‑of‑way" (§ 17.25.031.A.2).
• Where it applies: commercial zoning districts across the city; special downtown/overlay rules may supersede. See Overlay Districts.

Industrial districts — including I‑L and similar

• Purpose: accommodate light and general industrial activity while managing visual impacts and site design.
• Typical permitted uses: light manufacturing, storage, contractor yards, distribution (zone‑specific).
• Key design‑review triggers: Planning Commission-level review for "any new site plan or building proposed in an industrial district that is greater than 500 sq ft and which would be visible from the public right‑of‑way" (§ 17.25.031.A.3).
• Where it applies: industrial zoning locations; check the zoning map for your parcel.

Downtown DDAZ Form‑Based Code Overlay (DDAZ FBC Overlay)

• Purpose: implement the Central Rohnert Park Priority Development Area (PDA) Plan — create a walkable, mixed‑use downtown core with specific frontage/building‑type rules.
• Review authority and procedure: Design Review within the DDAZ is handled by the Downtown Design Review Board (DDRB) (or the Planning Commission acting as DDRB). DDRB approval is required for new buildings and for additions/alterations; the City requires written DDRB approval prior to processing building, grading or other entitlements for properties subject to the overlay (§ 17.06.740.D.2–4).
• Typical standards: form‑based standards for block layout, frontages, building mass, materials; the overlay includes transect zones (T4–T7, CS, civic building, etc.) with zone‑specific rules for front setbacks, lot coverage, FAR and bicycle parking.
• Applicability triggers: projects requiring new/modified vehicular access, new construction of 2,000 sq ft or greater, additions over 10% of existing floor area, and all projects in Station Center P‑D areas (§ 17.06.700.A.2).

SOMO Village Planned Development (SVPD)

• Purpose: a site‑specific PD (SOMO Village) with its own Transect‑based development code and SV Design Review Board (SV DRB) to ensure consistent urban/neighborhood design.
• Review authority: the SV DRB (three members; one design professional, one staff, one SOMO designee) issues design approvals required before any City applications will be accepted for properties in the SVPD (§ 17.06.820, SVPD design sections).
• Key triggers and exemptions: Design review is required for any new building or exterior remodeling in the SVPD; however the SVPD lists exemptions (minor repairs, certain accessory structures, ADUs where state law applies, etc.) and provides a Minor Design Review track for smaller projects (see § 17.06.740.F for the minor review thresholds).

Planned Development (P‑D) and Station Center P‑D

• Purpose: site‑specific PD procedures; P‑D projects follow the PD application and approval process rather than some general numeric standards. The code instructs that for sites zoned P‑D or Station Center P‑D the PD procedures are used instead of regular development standards (§ 17.06.700.A.2.d, § 17.06.740 references).

Quick reference table — most decision‑relevant items

How review actually works (process & players)

• The Development Services / Planning Director initially determines the review level (administrative, DRB, DDRB, Planning Commission) as provided by the code; the Director may refer matters to the Planning Commission or the Council as needed.
• For downtown overlay projects the DDRB generally makes findings using the DDAZ standards; for SVPD properties the SV DRB must approve before the City will accept building/grading/entitlement submittals.
• Minor Design Review is an expedited administrative track handled by the Department Director for eligible small projects; appeals routes are available under Chapter 17.25 Article XII.

Checklist (what an applicant must satisfy for a typical Design Review filing)

• Confirm whether the property lies within an overlay or PD (DDAZ, SVPD, Station Center P‑D) — if yes, follow that chapter's DRB rules (get a pre‑submittal meeting).
• Complete the city application form and owner authorization signature(s). § 17.25.032
• Submit scaled site plan showing building footprints, property lines, setbacks, parking layout and circulation, refuse areas, grading/drainage and easements; include parking calculations per the city's Parking requirements. § 17.25.032
• Provide floor plans, all building elevations with materials/colors specified, landscape plan, and FAR/lot coverage computations where required. § 17.25.032
• Show compliance with relevant design guidelines (City Design Guidelines, Central Rohnert Park PDA Plan) and identify any conflicts; the PDA Plan controls where it conflicts with Guidelines. § 17.06.700.A.3–A.4
• If in DDAZ or SVPD: obtain written DRB approval (DDRB or SV DRB) before permit acceptance; include completed DRB approval form with permit applications. § 17.06.740.D.4, § 17.06.820.D.4
• For ADUs, confirm ministerial processing path (ADU rules in § 17.08.040) and state law exemptions — do not assume discretionary design review unless tied to a discretionary project.

Risks & Ambiguities

Plain‑English summary

If your project changes a building's exterior or creates a new building, Rohnert Park will check how it looks and fits its surroundings; small projects may qualify for a faster administrative review, while larger or visible projects may require Design Review by a board (DDRB for downtown, SV DRB for SOMO Village) or Planning Commission review — follow the checklists in § 17.25.032 and obtain any required DRB sign‑off before filing for permits.

Source References

• Rohnert Park Municipal Code, Title 17 — Site Plan and Architectural Review: § 17.25.030–§ 17.25.033.
• Rohnert Park Municipal Code, DDAZ Form‑Based Code / Design Review: § 17.06.700 et seq., especially § 17.06.740.D (Design Review) and Table 17.06.740.A.3.a (Review Authority).
• Rohnert Park Municipal Code, SOMO Village Planned Development (SVPD) design review and administration: § 17.06.820 and SVPD design sections (SV DRB requirements, exemptions, Minor Design Review).
• Rohnert Park Municipal Code, Accessory Dwelling Units: § 17.08.040 (ADU size, height, and ministerial pathway/requirements).
• Rohnert Park design‑related development standards (transect zones, parking, bike parking): § 17.06.720–17.06.730, § 17.06.860 (development standards tables cited in SVPD).

For general Rohnert Park zoning information and next steps, consult the city's zoning overview at Rohnert Park Zoning.

Retrieved passages

• Rohnert Park Zoning Code (§ 3) High relevance show source text
• Rohnert Park Zoning Code (§ 3) High relevance show source text
• Rohnert Park Zoning Code (Section and) High relevance show source text
• Rohnert Park Zoning Code (Section 17.06.720) High relevance show source text
• Rohnert Park Zoning Code (Section 17.06.740.D) High relevance show source text
• California Building Code (section F) High relevance show source text
• Rohnert Park Zoning Code (Chapter 17.25) High relevance show source text
• Rohnert Park Zoning Code (§ 4) High relevance show source text
• CBC § 65583.1 (section F) Medium relevance show source text
• Rohnert Park Zoning Code (Section 65583.1.) Medium relevance show source text
• Rohnert Park Zoning Code (Section 17.06.230) Medium relevance show source text
• Rohnert Park Zoning Code (Section and) Medium relevance show source text
• Rohnert Park Zoning Code (Section 17.06.740.D) Medium relevance show source text
• Rohnert Park Zoning Code (Section 17.08.040) Medium relevance show source text

Cited sections

• Rohnert Park Municipal Code, Title 17 — Site Plan and Architectural Review: **§ 17.25.030–§ 17.25.033**. (Title 17)
• Rohnert Park Municipal Code, DDAZ Form‑Based Code / Design Review: **§ 17.06.700** et seq., especially **§ 17.06.740.D** (Design Review) and Table 17.06.740.A.3.a (Review Authority). (§ 17.06.700)
• Rohnert Park Municipal Code, SOMO Village Planned Development (SVPD) design review and administration: **§ 17.06.820** and SVPD design sections (SV DRB requirements, exemptions, Minor Design Review). (§ 17.06.820)
• Rohnert Park Municipal Code, Accessory Dwelling Units: **§ 17.08.040** (ADU size, height, and ministerial pathway/requirements). (§ 17.08.040)
• Rohnert Park design‑related development standards (transect zones, parking, bike parking): § **17.06.720–17.06.730**, § **17.06.860** (development standards tables cited in SVPD).
• RohnertPark_ZoningCode.md

• Official Rohnert Park code library