Blog · October 14, 2026 · California
Mill Valley Property Search, California: free records
Property records for land near Sausalito are a few clicks away.
Main page: Marin County, CA GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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For land around Corte Madera, a quick Mill Valley property search lists the owner of record, a mailing address and a parcel number. Covered here for Mill Valley: where to search, what trusts, estates and LLCs mean, and how to confirm with the deed.
Running a Mill Valley property search step by step
The Marin County parcel viewer is the free tool for this; try the address first, then the owner's name.
Opening the official parcel viewer
Go first to the Marin County parcel viewer; it maps every tax parcel in the county, Belvedere included. In and around Ross, enter a street address, an owner's name or a parcel number, then pick the result to center the map on it. For a tract near Sausalito, the parcel card normally shows the owner of record, acreage on the tax roll, a parcel ID and often a sale date.
Mill Valley and the county around it
Mill Valley lies within Marin County, California, so its parcels are on the county's map. In and around Ross, the municipality handles things like zoning, permits and utilities for lots inside the boundary, and the county still keeps the parcel and deed records. Acreage past the town limits near Ross often falls under county rules, not municipal ones.
Land on the county line
Marin County touches Contra Costa County, San Francisco County, Solano County, and Sonoma County; every one of them runs a separate parcel map. A tract near the line by Belvedere can be split across two assessors' files, so look at the adjacent map as well. For a home near Ross, our state page links every neighboring county map for California.
How land is described here
California follows the Public Land Survey System, so rural legal descriptions near Belvedere cite section, township and range. A standard section is about one square mile, roughly 640 acres, and a township holds 36 of them, though real sections near Belvedere vary in size. Keep the legal description for land near Tiburon before you request a deed or survey.
Field tips
Most viewers work in a phone browser, which helps when you're standing on land near Tiburon, though signal can drop in rural spots. A screenshot of the parcel near Sausalito with its ID is a good backup.
Tax data in the record
Many records show assessed value and taxes for land near Belvedere; questions about value go to the County Assessor.
Marin County in a few facts
San Rafael is the county seat, where most land records are kept. You'll also find Larkspur, Corte Madera, Ross, and Sausalito, where town lots give way to larger tracts. Around 254,407 people call Marin County home (Census Bureau estimate, 2023) on some 520 square miles. Features like San Pablo Bay, San Francisco Bay, and Golden Gate National Recreation Area help you orient on the aerial around Sausalito.
Looking around the parcel
Look at adjoining lots near Tiburon for context on nearby owners and uses; it helps with access and boundary questions.
Offices that can help
Recorded documents for a parcel near Ross come from the County Recorder, sometimes only in person. Zoning, permits and septic questions near Sausalito need the planning or permitting office, depending on whether the land is inside town limits.
What the owner name means
Out toward Sausalito, the owner field shows who the tax bill names, which may be a person, a trust, a company or an estate. "Estate of" on a record near Belvedere often points to an open probate, so the personal representative is the contact.
Deeds behind the record
On ground around Corte Madera, a viewer entry isn't legal proof; the recorded deed at the County Recorder is.
The paper trail behind a parcel
Before you sign anything, pull the recorded deed from the County Recorder; the parcel map near Corte Madera only summarizes it. In and around Belvedere, have ready the document number from the tax record and the lookup takes minutes.
Limits of the parcel data
Acreage on the record is an assessed number; only a licensed surveyor can set the real corners on land around Larkspur. Around Belvedere, records update in batches, so a deed recorded last month can take weeks to appear.
Reaching an owner
A short letter to the mailing address on the record works better than knocking unannounced for land near Sausalito.
Mill Valley: common questions
Is the parcel record proof of ownership around Corte Madera?
Short answer: a title search confirms the chain for land near Corte Madera; the viewer is just an index.
How do I contact a company that owns property in Mill Valley?
If you're looking near Corte Madera, the state business entity search names a registered agent for most LLCs.
Can I find a property owner for free in Mill Valley?
Generally, owner names near Tiburon are public record.
Can I search by owner name for land near Belvedere?
It depends, but an owner search can return several parcels near Ross; check spelling variations.
Is the parcel map a survey in Mill Valley?
The map near Belvedere is approximate; a survey sets the real corners
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.