Local zoning · Mendocino County

Mendocino County — Parking

Parking under the Mendocino County local zoning and planning code, with the controlling citations.

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Last reviewed: July 6, 2026

Overview

This page distills how off-street parking, loading/circulation, and bicycle parking work under Mendocino County’s zoning rules in unincorporated areas. Countywide “Off‑Street Parking” standards live in Chapter 20.180, while several coastal town plans (notably the Town of Mendocino and Gualala) layer on more specific ratios, design, and in‑lieu provisions. Start with the countywide chapter, then check your property’s zoning and any applicable town plan or overlay in the Mendocino County Zoning map.

The single biggest parking pitfall in unincorporated Mendocino County is missing a coastal town plan overlay: Mendocino Town has its own minimums, bicycle parking triggers, and in‑lieu fee pathways that can differ from the countywide Chapter 20.180 framework.

Countywide framework (Off‑Street Parking and ADUs)

  • The countywide “Off‑Street Parking” chapter sets design standards and includes use-by-use parking minimums for unincorporated areas. Among the most decision-relevant design rules:
    • At least 50% of parking areas must use permeable surfacing; remaining 50% may be impermeable per § 20.180.020(A) .
    • EV charging stalls are allowed anywhere in a parking area; EV-ready infrastructure must follow CALGreen in the California Building Standards Code. The code counts an EV charging stall as two standard spaces for minimum-parking calculations under § 20.180.020(F) .
    • Bicycle parking: lots with 20+ auto spaces must provide 1 bicycle space per 10 auto spaces under § 20.180.020(G) .
    • Striping/marking for accessible spaces must follow the state building code per § 20.180.020(H)(4) .
  • Accessory dwelling units (ADUs) and junior ADUs (JADUs) in unincorporated areas have tailored rules:
    • ADUs generally require 1 off‑street space, but there are numerous exemptions (e.g., within ½‑mile of transit; when created with a new home; in a historic district). See § 20.166.035(A); JADUs require none per § 20.166.035(B) . For broader state context, see California ADU law and California housing laws.

Town of Mendocino — Circulation and Parking (coastal)

The Town of Mendocino (coastal, unincorporated) adds a dedicated circulation/parking chapter and district‑specific minimums that override or supplement countywide rules.

  • Core provisions in the townwide chapter:
    • All permitted development must provide off‑street parking per its zoning district or demonstrate an approved alternative that lasts for the life of the project under § 20.714.010 .
    • Methods of compliance include off‑site parking agreements or an in‑lieu fee program; any in‑lieu fees must be used solely for street/public parking improvements in the Town of Mendocino under § 20.714.015 .
    • Parking design must minimize adverse impacts to the town’s historic character; hide or screen lots and minimize driveway interruptions to sidewalks per § 20.714.020 .
    • Bicycle parking is required in all new commercial development ≥1,000 sf and in specified public projects per § 20.714.025 .
    • New parking areas must minimize soil compaction and use permeable ADA‑compliant paving where feasible under § 20.714.030; additional town‑directed overflow and in‑lieu mechanisms are authorized at school and nearby state park properties in § 20.714.035; the County may restrict heavy truck parking on key streets beyond reasonable loading/unloading time per § 20.714.040(b); and maintenance standards (striping, wheel stops, permeable repaving) appear in § 20.714.045 .

District-by-district — Town of Mendocino (coastal)

  • MMU — Mendocino Mixed Use

    • Purpose and pattern: transition between Main/Lansing commercial and residential; support visitor accommodations while emphasizing residential use per § 20.660.005 .
    • Minimum parking: 1.5 on‑site spaces per dwelling unit; 1 space per 400 sf of nonresidential GFA under § 20.660.055(A); bicycle parking may be required and can count as 1/10 of an auto space toward in‑lieu fee calculations per § 20.660.055(B); off‑site and shared parking are allowed subject to historic review and recorded agreements per § 20.660.055(C) .
    • Key dimensional standards touch parking design: max height 28 ft (§ 20.660.050), lot coverage limits (§ 20.660.060), and mixed‑use floor area/residential share constraints (§ 20.660.075) .

  • MC — Mendocino Commercial

    • Purpose: commercial core with historic character protections.
    • Minimum parking: 1.5 on‑site spaces per dwelling unit; 1 per 400 sf of nonresidential GFA per § 20.664.055(A); bicycle parking as mitigation may be required and can apply 1/10 credit toward in‑lieu per § 20.664.055(B); off‑site/shared options are available with historic review and recorded restrictions under § 20.664.055(C) .
    • Dimensional references often drive circulation layout: height 28 ft § 20.664.050; lot coverage § 20.664.060 .

  • MRM — Mendocino Residential (multifamily context)

    • Minimum parking: 2 off‑street spaces for the first residential unit, plus 1.5 spaces for each additional unit; visitor accommodations 1 space per unit or in‑lieu where off‑street is precluded per § 20.656.050 .

  • MTR — Mendocino Town Residential

    • Minimum parking: 2 off‑street spaces for the first residential unit, plus 1.5 spaces for each additional unit under § 20.652.050(A) .

  • Historic review interface: Where bicycle or off‑site parking is required within the Historic Preservation zones, the Mendocino Historical Review Board must approve design/location per § 20.660.055(B) and § 20.664.055(B) . See Mendocino County Historic Preservation and Mendocino County Design Review.

Gualala Town Plan — GVMU District (coastal)

  • Where it applies: unincorporated Gualala’s mixed‑use main street area.
  • Residential parking: studios/1‑bedrooms need 1.5 on‑site spaces; 2+ bedrooms need 2 on‑site spaces under § 20.405.055 .
  • Nonresidential: follow the county “Off‑Street Parking” chapter; shared parking may be permitted (variance may be needed) per § 20.405.060 .
  • Shared access incentive: a 10% reduction in required commercial parking is allowed when parcels share access per § 20.405.065 .
  • Streetscape interfaces: setbacks keep room for future roadway/streetscape and buffer parking areas per § 20.405.045; lot coverage and FAR limits can affect how much of a site you can pave for parking per § 20.405.040 .

Mixed-use projects — Parking, loading, and circulation plans

For mixed‑use projects requiring an administrative or use permit, a Mixed Use Development Plan must include a parking and circulation plan that shows parking spaces, loading zones, delivery docks, bicycle parking, and lighting, plus a schedule of required off‑street spaces. See § 20.087.060 . Several mixed‑use standards also encourage shared driveways and allow reductions where shared access or shared parking can be demonstrated; some districts allow up to 25% reductions for shared access in commercial projects, subject to consistency with Chapter 20.180 and the applicable mixed‑use standards .

Bicycle parking — Countywide and Town overlays

  • Countywide: projects with 20+ auto spaces must add bicycle parking (1 bike space per 10 auto spaces) under § 20.180.020(G) .
  • Mendocino Town: new commercial development ≥1,000 sf must include bicycle parking, and the in‑lieu fee program recognizes 1 bicycle space as 1/10 of a vehicle space for fee calculations; see § 20.714.025 and the district provisions at § 20.660.055(B) / § 20.664.055(B) .

Nonconforming parking

A structure can be nonconforming as to “parking” and still continue if it meets the code’s nonconforming rules. The coastal Mendocino Town provisions define how nonconforming parking is treated under Chapter 20.716 (see purpose and continuance at § 20.716.005–.010) .

Key minimums and tools at a glance

Topic Unincorporated standard Where it applies Code Reference
General off‑street design 50% permeable surfacing minimum; EV stall counts as 2 spaces toward minimum; bike parking required for large lots Countywide in unincorporated areas § 20.180.020(A), (F), (G)
ADU parking 1 space for ADU, with multiple exemptions; JADU: none Countywide in unincorporated areas § 20.166.035(A)–(B)
Residential (Mendocino Town MTR) 2 spaces for first unit; 1.5 per each additional unit Unincorporated Town of Mendocino § 20.652.050(A)
Residential (Mendocino Town MRM) 2 spaces for first unit; 1.5 per each additional unit; lodging 1 per unit or in‑lieu where off‑street is infeasible Unincorporated Town of Mendocino § 20.656.050
Mixed use & commercial (Mendocino Town MMU/MC) 1.5 per dwelling; 1 per 400 sf nonres; bicycle parking credit 1/10; off‑site/shared allowed with approvals Unincorporated Town of Mendocino § 20.660.055; § 20.664.055
Bicycle parking (Mendocino Town) Required for new commercial ≥1,000 sf Unincorporated Town of Mendocino § 20.714.025
Gualala GVMU — residential 1.5 spaces (studio/1‑BR); 2 spaces (2+ BR) Unincorporated Gualala § 20.405.055
Gualala GVMU — shared access 10% commercial parking reduction with shared driveways Unincorporated Gualala § 20.405.065
Mendocino Town in‑lieu/off‑site In‑lieu fee and off‑site options allowed; screening/visibility limits; overflow at school/state park sites Unincorporated Town of Mendocino § 20.714.015; § 20.714.020; § 20.714.035

District-by-District notes you should check first

  • MMU and MC (Town of Mendocino): expect the 1.5 per dwelling and 1/400 sf nonresidential baseline, with strong design and historic‑compatibility filters that affect where and how stalls are built (§ 20.660.055; § 20.664.055; § 20.714.020) .
  • MRM and MTR (Town of Mendocino): residential minimums step down for additional units (2 + 1.5 each), and lodging uses carry a 1‑stall minimum per unit (§ 20.656.050; § 20.652.050) .
  • GVMU (Gualala): residential minimums hinge on bedrooms; nonres uses look back to the countywide chapter; shared access can trim required counts (§ 20.405.055–.065) .

See the bigger picture in the Mendocino County Development Standards, Mendocino County Overlay Districts, and Mendocino County Land Use pages; parking often crosses into Mendocino County Landscaping and Screening requirements.

Checklist

  • Identify your site’s zoning and whether a coastal town plan overlay applies (e.g., Mendocino Town, Gualala) in unincorporated areas.
  • Confirm minimum parking ratio for your use in the applicable chapter (e.g., § 20.660.055; § 20.664.055; § 20.405.055; Chapter 20.180) .
  • If mixed‑use or discretionary, prepare a parking and circulation plan showing auto stalls, bicycle parking, loading, and lighting per § 20.087.060 .
  • If in Town of Mendocino, evaluate in‑lieu/off‑site options and historic‑compatibility screening per § 20.714.015; § 20.714.020 .
  • Apply countywide design standards (permeable surfacing, EV/bike requirements, striping) per § 20.180.020 .
  • For ADUs/JADUs, apply tailored parking exemptions per § 20.166.035 .
  • If nonconforming, assess continuation rules under Chapter 20.716 and any needed relief via Mendocino County Variances and Exceptions .

Risks & Ambiguities

Issue Why it matters What to verify
Overlooking a coastal town plan Town overlays can change ratios, enable in‑lieu fees, and require screening Whether § 20.714 or § 20.405 controls; your specific district minimums
Loading requirements Loading counts/berth sizes are not enumerated in all districts For mixed‑use or commercial: confirm your plan shows loading per § 20.087.060; quantitative loading standards Not found in retrieved materials
Countywide ratio table coverage Only partial extracts of the use-by-use table were retrieved Full list of minimums in Chapter 20.180; where unclear: Verify with the jurisdiction
Shared parking reductions Different districts allow different reductions (e.g., 25% vs 10%) Applicable section for your district (e.g., mixed‑use standards vs Gualala § 20.405.065)
Historic review triggers Parking/bike racks in historic zones need extra approvals In Mendocino Town’s HP zones: see § 20.660.055(B); § 20.664.055(B) and Historic Preservation

Plain-English Summary

In unincorporated Mendocino County, start with the county parking chapter for design (permeable paving, EV and bike parking) and then apply any coastal town plan rules on top. The Town of Mendocino has specific minimums and an in‑lieu/off‑site program, while Gualala sets bedroom-based residential counts and encourages shared access. Mixed‑use projects must show parking, bicycle parking, lighting, and loading in a single plan—and historic areas often add screening and review layers.

Source References

  • § 20.180.020 (Off‑Street Parking — Design Standards)
  • § 20.166.035 (ADU/JADU parking)
  • § 20.714.010; § 20.714.015; § 20.714.020; § 20.714.025; § 20.714.030; § 20.714.035; § 20.714.040; § 20.714.045 (Mendocino Town — Circulation & Parking)
  • § 20.660.055; § 20.660.050; § 20.660.060; § 20.660.075 (MMU — parking and related standards)
  • § 20.664.055; § 20.664.050; § 20.664.060 (MC — parking and related standards)
  • § 20.656.050 (MRM — parking)
  • § 20.652.050 (MTR — parking)
  • § 20.405.045; § 20.405.055; § 20.405.060; § 20.405.065 (Gualala GVMU)
  • § 20.087.060 (Mixed Use Development Review — parking/loading plan content)
  • § 20.716.005–.010 (Nonconforming uses/structures — parking)
  • See also: Mendocino County zoning & planning overview, Mendocino County Design Review, Mendocino County Landscaping and Screening, Mendocino County Overlay Districts

Sources

Retrieved passages

  • Mendocino County Zoning Code (Chapter restrict) High relevance
  • Mendocino County Zoning Code (§ 2) High relevance
  • Mendocino County Zoning Code (Chapter 20.760.) High relevance
  • Mendocino County Zoning Code (Section 10A.13.010) Medium relevance
  • CBC § 2 (§ 2) Medium relevance
  • Mendocino County Zoning Code Medium relevance
  • Mendocino County Zoning Code Medium relevance
  • Mendocino County Zoning Code (Section 10A.13.010) Medium relevance
  • CGBSC § 47 (§ 47) High relevance
  • Mendocino County Zoning Code (section 20.086.060) High relevance
  • Mendocino County Zoning Code (Section 10A.13.010) Medium relevance

Cited sections

Frequently asked questions

How many parking spaces does a small shop need in the unincorporated Town of Mendocino?

For commercial space in the Town of Mendocino’s MMU or MC districts, plan on 1 space per 400 square feet of nonresidential floor area; if there’s a dwelling, add 1.5 spaces per unit. Bicycle parking may be required and can count as 1/10 of a vehicle space toward in‑lieu fee math. See § 20.660.055 and § 20.664.055; townwide screening and access rules also apply under § 20.714.020 .

Do EV charging spaces count toward required parking in unincorporated areas?

Yes. Countywide, an EV charging stall counts as two standard parking spaces for purposes of meeting minimum parking. EV readiness must follow CALGreen in the state building code. See § 20.180.020(F) and related design standards .

What bicycle parking does my project need?

Countywide, any parking lot with 20 or more auto spaces must provide bicycle parking at a ratio of 1 bike space per 10 auto spaces. In the Town of Mendocino, new commercial projects ≥1,000 sf require bicycle parking even if the auto lot is small. See § 20.180.020(G) and § 20.714.025 .

Can I pay a fee instead of building all required parking in Mendocino Town?

Often, yes. If off‑street parking is infeasible, Mendocino Town allows an in‑lieu fee used solely for street/public parking improvements within the town. Off‑site parking agreements are also allowed when recorded and consistent with district/location limits. See § 20.714.015 and district off‑site provisions in § 20.660.055(C) / § 20.664.055(C) .

How much parking do ADUs and JADUs need in unincorporated areas?

ADUs generally require one space, but there are many exemptions (e.g., within ½‑mile of transit, created with a new home, part of or converted from the primary structure, etc.). JADUs require no off‑street parking. See § 20.166.035(A)–(B) .

Are loading spaces required, and how are they reviewed?

For mixed‑use and many commercial projects, your application must include a parking and circulation plan showing loading zones and delivery docks. The code requires showing them but does not enumerate countywide berth counts in the retrieved text; specific loading ratios are Not found in retrieved materials. See § 20.087.060 and verify with the jurisdiction .

Can shared access or shared parking reduce my required stall count?

Yes, in certain districts. For example, some mixed‑use standards allow reductions when parcels share access, and Gualala’s GVMU permits a 10% reduction for shared driveways. Exact reductions are district‑specific; see § 20.405.065 and mixed‑use standards tied to Chapter 20.180 .

I have a nonconforming parking situation—can I keep using it?

Possibly. Nonconforming structures/uses can continue if they meet the nonconforming criteria and limits in the applicable chapter; parking deficiencies are one type of nonconformity recognized in coastal Mendocino Town provisions. See § 20.716.005–.010 and coordinate early with Planning .

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