Blog · October 14, 2026 · California
Using the Tiburon GIS Map
Parcel data for Tiburon comes from the county, and the viewer is free.
Main page: Marin County, CA GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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Curious who owns the lot next to you in Tiburon? Pulling up the Tiburon GIS map gets you there fast, without paying for a report. Covered here for Tiburon: which viewer to open, the fastest ways to search, and the limits worth knowing.
Opening the Tiburon GIS map
For a home near Sausalito, some cities also run their own GIS portal for utilities or zoning; that can add detail on top of the county map.
Pulling up a parcel
Go first to the Marin County parcel viewer; it includes every assessed parcel in the county, Corte Madera included. For a tract near Sausalito, put in a street address, an owner's name or a parcel number, then pick the result to center the map on it. If the land is near San Rafael, write down the parcel ID while you have it open; each clerk in the county asks for it first.
Recorded documents worth pulling
For anything that matters, pull the recorded deed through the County Recorder; the parcel map near Mill Valley only summarizes it. Long-held tracts near Larkspur can trace back through a long string of deeds, and a title company is worth hiring on a real sale.
Limits of the parcel data
Listed acreage is an estimate; only a licensed surveyor sets the real corners on land around Corte Madera. For land near Sausalito, records update in batches, so a deed recorded last month might lag behind.
Tiburon and the county around it
Tiburon is part of Marin County, California, so its parcels are on the county's map. For a tract near San Rafael, the municipality handles things like zoning, permits and utilities within town limits, but the county runs assessment and recording. Lots just outside the city limits near Belvedere often answers to county rules rather than the town's.
A quick look at the area
San Rafael serves as the county seat, home to the main records offices. Other places on the map include Belvedere, Sausalito, Corte Madera, and Mill Valley. Roughly 254,407 people live in Marin County (Census Bureau estimate, 2023) across roughly 520 square miles. Places such as San Pablo Bay, San Francisco Bay, and Golden Gate National Recreation Area make handy reference points on the map near Mill Valley.
Search tips
By address works best for lots in Tiburon; owner names are usually entered last name first. For property near Belvedere, searching by parcel number never misses, and you'll find it on tax statements.
What the layers show
For property near Mill Valley, look in the layer list for city limits, flood hazard, zoning or soils; availability varies.
Legal descriptions in California
California follows the Public Land Survey System, so rural legal descriptions near Sausalito cite section, township and range. Each section is nominally a mile square, about 640 acres, with 36 sections to a township, though real sections near Belvedere vary in size. Copy the legal description from the record for the parcel near Belvedere when you talk to a surveyor.
Getting answers from the right desk
Recorded documents for a parcel near Belvedere come from the County Recorder, usually searchable by name or document number. Zoning, permits and septic questions near Belvedere go to planning, building or health offices, depending on whether the land is inside town limits.
Troubleshooting the viewer
If the viewer stalls on a phone near Belvedere, try a desktop browser or clear the cache; the Platbookmapper county page tracks the current link.
Next door to Marin County
Marin County touches Contra Costa County, San Francisco County, Solano County, and Sonoma County, all with their own assessor records. Acreage along the edge near Mill Valley can show up across two assessors' files, so check the neighboring map before you assume the acreage. For property near Sausalito, our state page lists each neighboring county map for California.
Inside the parcel card
Sales history, if listed, helps with pricing in Tiburon are a useful starting point; an appraiser is the real authority.
Printing and saving
Save a screenshot of the lot near Belvedere and its record panel, which helps later when you ask the assessor or a title company.
On site with the map
The parcel map usually runs in a mobile browser, handy when you're parked on a road near Belvedere, so load it before you lose signal. A screenshot of the parcel near Corte Madera with its ID keeps working without signal.
Tiburon: common questions
What layers does the parcel viewer have for land near Mill Valley?
Aerials near Belvedere are usually available as a basemap; availability varies.
Can I search by owner name in Tiburon?
Click the lot near Corte Madera to see the owner; try variations if nothing comes up.
Does the Tiburon parcel viewer cost anything?
Short answer: the Marin County parcel viewer is free and opens without a login, though printing may be limited.
How often is the parcel map updated near Mill Valley?
Usually, updates come in batches.
How do I save a parcel from the viewer for land near Mill Valley?
Most viewers have a print or export tool, and it's worth keeping the parcel ID visible for land near Mill Valley.
Open the official Marin County, CA parcel map See it in the Platbookmapper directory
Not a survey. County GIS and tax parcel maps are assessment and planning layers. They are not a substitute for a recorded plat, deed, or licensed survey, especially for fences, setbacks, or boundary disputes.