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Mendocino, California · County government

Mendocino County Information Services — GIS

Official GIS resources, property-map information and referrals; map layers do not establish legal boundaries or development approval.[1]

Source checked October 26, 2026[1]
Go to the official website (opens in a new tab)
Website address
www.mendocinocounty.gov

Opens this office’s own website. CountyWiki does not process applications, take payments or provide personal records.

Contact details & office locations ↓
Official geographic information and map-access function. A county association identifies the published provider/referral context; it does not assert legal map boundaries, county planning authority inside cities, or complete coverage of every layer.[1]

Online services & information

Use the links below for official services and provider information. Check each service’s instructions and service area.

Mendocino GIS zoning web-map guide (opens in a new tab)[2]Official instructions

Information Services' guide describes APN/address search, zoning classifications and the associated parcel-number/city-limit layers. Map positions are best estimates; the county says not to use it for property boundaries or financial decisions.

Before you start

Availability · GIS reference limitation
Do not use this map or its associated data to determine property boundaries or to make financial decisions. [5]
Mendocino GIS APN and parcel-map guide (opens in a new tab)[3]Official instructions

Information Services' map guide explains eight-digit APN/address searching and the Assessor's Parcel Number layer. This is GIS parcel-map information; the county expressly rejects its use for determining property boundaries or financial decisions.

Before you start

Availability · Published APN format; no parcel queried
The APN must be eight digits (e.g. 11122203). If it exceeds this length you may need to remove the last 2 numbers. [4]

Fees

Fees are quoted only when a source document supports the amount and conditions.

Fee amounts have not been reviewed for this office.

Check the official website for its current fee schedule. No fee should be assumed to be free.

Forms & documents

Official forms and document pages for this office’s services.

Forms have not been reviewed yet. Visit the official website for the current forms and instructions.

Sources & last checked1 source page · 5 citations

Sources were checked by an AI-assisted research process. A checked website does not mean every service or fee on it has been reviewed.

  1. [1] Mendocino official zoning map information candidate (opens in a new tab)

    Mendocino official map information · Official county map/provider evidence: exact named map, actual layer list, access instructions or limitation
    Source reviewed October 26, 2026

    View supporting excerpt
    Information Services GIS
  2. [2] Mendocino official zoning map information candidate (opens in a new tab)

    Mendocino official map information · Official county map/provider evidence: exact named map, actual layer list, access instructions or limitation
    Source reviewed October 26, 2026

    View supporting excerpt
    The purpose of this map is to provide information about assessors parcel numbers, zoning districts and general plan classifications and the relationships between them.
  3. [3] Mendocino official zoning map information candidate (opens in a new tab)

    Mendocino official map information · Official county map/provider evidence: exact named map, actual layer list, access instructions or limitation
    Source reviewed October 26, 2026

    View supporting excerpt
    The purpose of this map is to provide information about assessors parcel numbers, zoning districts and general plan classifications and the relationships between them.
  4. [4] Mendocino official zoning map information candidate (opens in a new tab)

    Mendocino official map information · Official county map/provider evidence: exact named map, actual layer list, access instructions or limitation
    Source reviewed October 26, 2026

    View supporting excerpt
    The APN must be eight digits (e.g. 11122203). If it exceeds this length you may need to remove the last 2 numbers.
  5. [5] Mendocino official zoning map information candidate (opens in a new tab)

    Mendocino official map information · Official county map/provider evidence: exact named map, actual layer list, access instructions or limitation
    Source reviewed October 26, 2026

    View supporting excerpt
    Do not use this map or its associated data to determine property boundaries or to make financial decisions.
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