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Find county GIS and property maps

Browse official GIS tools, assessor map information and county map referrals. Some entries provide instructions or map indexes rather than an interactive GIS viewer.

Before you start

Start with the jurisdiction of the property. County permit offices may serve only unincorporated areas.
Use the official map and confirm project requirements with the planning or building office.

1 guide with reviewed service links · Yolo

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California58 counties

County directory Reviewed service guides available

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U.S. Census boundaries via U.S. Atlas · 2017 edition, simplified for display.

County government · Yolo

Community Services — Building Services

Yolo County building permit services. Confirm which county or city agency handles your property before applying.

Geographic Information System (GIS)Official instructions

Officially linked county property-map resource. This verifies the referral and stated label; interactive layers, parcel results, legal boundaries, buildability and application eligibility are not determined here.

Source checked October 26, 2026

Yolo County · Yolo — building permit department (opens in a new tab)

Official property-office map referral: Geographic Information System (GIS)

Geographic Information System (GIS)

Saved evidence: ed684294af77b59a · Agent source review

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