Marin County property record for 21 Corte Madera Ave, Mill Valley, CA 94941
| Property Type | Commercial |
|---|---|
| Details | 5,870 sqft · built 1940 |
| Lot Size | 0.166 acres (7,230 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $14,481 (2025) |
| Deeds & Mortgages | Jun 2020 Line of Credit May 2020 Loan Modification |
| Flood Zone | Zone X (minimal risk) |
| APN | 028-012-07 |
| Primary APN | 028-012-07 |
|---|
| Building Area | 5,870 sqft Gross Area |
|---|
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1940 |
| Lot Area | 7,230 sqft (0.166 acres) |
| Street Address | 21 CORTE MADERA AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1889 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Legal Description | BLK 11 PART OF LOT 8,10 & OTHER LOTS |
| Legal Subdivision | TAMALPAIS LAND & WATER CO 02 |
| Legal Block | 11 |
| Legal Lot Number | 8 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 5 |
| Census Block | 5015 |
| Census Tract | 127000 |
Source: Marin County records, as of July 13, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 2 BRADFORD WAY, MILL VALLEY, CA 94941-1111 |
| Owner Type | Company |
| Vesting | Company |
| Date | Document |
|---|---|
| Jun 12, 2020 | Deed of Trust, Mortgage · Line of Credit LIBERTY BANK |
| May 15, 2020 | Loan Modification, Mortgage LIBERTY BK |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARIN CA |
| Property Address | 21 CORTE MADERA AVE, MILL VALLEY, CA 94941-1889 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000024456 |
|---|---|
| Date | Jun 12, 2020 |
| Instrument | 2020-0024456 |
| Name | LIBERTY BANK |
|---|---|
| Type | Bank |
| Address | SOUTH SAN FRANCISCO, CA 94080 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | MARIN CA |
| Property Address | 21 CORTE MADERA AVE, MILL VALLEY, CA 94941-1889 |
| Document Number | 0000024455 |
| Instrument Date | May 15, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Jun 24, 2020 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 2 BRADFORD WAY MILL VALLEY CA 949411111, MILL VALLEY, CA 94941-1111 |
| Document Number | 0000024455 |
|---|---|
| Date | Jun 12, 2020 |
| Instrument | 24455 |
| Name | LIBERTY BK |
|---|---|
| Type | Bank |
| Address | SOUTH SAN FRANCISCO, CA 94080 |
| Amount | Amount Recorded |
|---|
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 | $854,911 (+2%) Land $333,082 Building $521,829 | |
| 2025 | $14,481.00 (+5.14%) | $838,148 (+4.04%) Land $326,551 Building $511,597 |
| 2023 | $13,773.00 (-5.74%) | $805,608 Land $313,873 Building $491,735 |
| 2022 | $14,612.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective October 18, 2023 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record 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.
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 |
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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