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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.

2 guides with reviewed service links · Tuolumne

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

County government · Tuolumne

Assessor-Recorder

Assessor

Assessor's Parcel MapsOfficial 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

Tuolumne County · Tuolumne assessor — property records and provider resources (opens in a new tab)

Official property-office map referral: Assessor's Parcel Maps

Assessor's Parcel Maps

Saved evidence: 0bf5547389bd077f · Agent source review

Full guide, contact details & sources →

County government · Tuolumne

Community Development — Building Division

Unincorporated Tuolumne County building permits and inspections.

Building & Land Use Map ViewerOfficial instructions

Source checked October 26, 2026

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

Official property-office map referral: Building & Land Use Map Viewer

Building & Land Use Map Viewer

Saved evidence: bbdd79370e3c4541 · Agent source review

Full guide, contact details & sources →