Marin County property record for 12 Corte Madera Ave, Mill Valley, CA 94941
| Property Type | Commercial |
|---|---|
| Details | 6,322 sqft · built 1914 |
| Lot Size | 0.134 acres (5,820 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $61,527 (Mar 1997) |
| Tax Bill | $26,694 (2025) |
| Deeds & Mortgages | Apr 2026 Sale |
| Flood Zone | Zone AE (high risk) |
| APN | 028-014-18 |
| Primary APN | 028-014-18 |
|---|
| Building Area | 6,322 sqft Gross Area |
|---|
| Year Built | Built 1914 |
|---|---|
| Effective Year Built | Effective 1914 |
| Lot Area | 5,820 sqft (0.134 acres) |
| Street Address | 12 CORTE MADERA AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1830 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Legal Description | LOT 203 |
| Legal Subdivision | TAMALPAIS LAND & WATER CO MAP |
| Legal Lot Number | 203 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 5 |
| Census Block | 5013 |
| Census Tract | 127000 |
12 Corte Madera Ave, a commercial property, is held in a trust since March 1997.
Source: Marin County records, as of July 13, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 12 CORTE MADERA AVE, MILL VALLEY, CA 94941-1830 |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 12, 1997 · Amount on File |
| Deed Sale | Mar 12, 1997 · Amount on File |
| Deed Document Number | 199712476 |
| Prior Transfer Date | Feb 24, 1997 |
| Prior Transfer Doc | 0000012475 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Apr 8, 2026 |
| Property Address | 12 CORTE MADERA AVE, MILL VALLEY, CA 94941-1830 |
| Document Number | 0000010227 |
| Instrument Date | Mar 17, 2026 |
| Instrument | 202610227 |
| Transaction Type | Transfer |
| Record Updated | Aug 27, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 12 CORTE MADERA AVE, MILL VALLEY, CA 94941-1830 |
The 2025 property tax bill for 12 Corte Madera Ave was $26,694.
Source: Marin County assessment roll, as of July 13, 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| Municipality | Mill Valley City |
| Elementary School District | Mill Valley Elementary School District (KG - 08) |
| Secondary School District | Tamalpais Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,483,978 (+2%) Land $485,447 Building $998,531 | |
| 2025 | $26,694.00 | $1,454,883 Land $475,930 Building $978,953 |
| 2023 | $24,922.00 (+5.64%) | $1,398,400 Land $457,452 Building $940,948 |
| 2022 | $23,592.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 12 Corte Madera Ave in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective October 18, 2023 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 14 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 14 in force |
| Nearby Flood Claims | 11 (1983–2017) |
| Claims Outside the SFHA | 4 of 11 |
| Most Recent Claim | Mar 2017 · river or lake flooding |
| Claims by Event |
|
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 12 Corte Madera Ave is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | MARIN MUNICIPAL WATER DISTRICT serves 188,116 people · EPA ID CA2110002 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Aug 2023 |
| Lead | Under 1 ppb (2019–2021) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 595 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: T-Mobile, Unwired.
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