Marin County property record for 21 Ash Ave, Corte Madera, CA 94925
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,431 sqft · built 1967 |
| Lot Size | 0.193 acres (8,400 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $9,853 (2025) |
| Deeds & Mortgages | Apr 2022 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 024-071-21 |
| Primary APN | 024-071-21 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 2,431 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1967 |
|---|---|
| Effective Year Built | Effective 1975 |
| Lot Area | 8,400 sqft (0.193 acres) |
| Garage Area | 664 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 1,314 sqft |
| Patio Area | 1,314 sqft |
| Heating System | Central |
|---|
| Street Address | 21 ASH AVE |
|---|---|
| City | CORTE MADERA |
| State | CA |
| Zip | 94925-1016 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Jurisdiction | MARIN CA |
| Township / Civil Division | ROSS VALLEY |
| Census Block Group | 1 |
| Census Block | 1027 |
| Census Tract | 121100 |
21 Ash Ave is owned by a company that acquired it in April 2022 and is owner-occupied.
Source: Marin County records, as of July 13, 2026
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 21 ASH AVE, CORTE MADERA, CA 94925-1016 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Borrower in Default |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Apr 20, 2022 |
| Transfer Doc | 0000017308 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Apr 26, 2022 |
| Property Address | 21 ASH AVE, CORTE MADERA, CA 94925-1016 |
| Document Number | 0000017308 |
| Map Reference | MB 8 PG 92 |
| Instrument Date | Apr 20, 2022 |
| Instrument | 2022-0017308 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 21 ASH AVE, CORTE MADERA, CA 94925-1016 |
The 2025 property tax bill for 21 Ash Ave was $9,853 with a homeowner's exemption.
Source: Marin County assessment roll, as of July 13, 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| Municipality | Corte Madera Town |
| Elementary School District | Larkspur Elementary School District (KG - 08) |
| Secondary School District | Tamalpais Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $779,217 (+2%) Land $342,627 Building $436,590 | |
| 2025 | $9,853.00 Homeowner's exemption | $763,938 Land $335,909 Building $428,029 |
| 2023 | $8,959.00 (+0.56%) Homeowner's exemption | $734,278 Land $322,867 Building $411,411 |
| 2022 | $8,909.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 21 Ash Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 89 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 89 in force |
| Nearby Flood Claims | 68 (1982–2026) |
| Claims Outside the SFHA | 2 of 68 |
| Most Recent Claim | Jan 2026 · other causes |
| 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 21 Ash 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 | None beyond 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 562 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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