Marin County property record for 139 Walnut Ave, Corte Madera, CA 94925
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,230 sqft · built 1951 |
| Lot Size | 0.124 acres (5,400 sqft) |
| Owner | Individual Name on File |
| Last Sale | $795,000 (Jun 2008) |
| Tax Bill | $13,059 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 024-063-04 |
| Primary APN | 024-063-04 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,230 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1956 |
| Architectural Style | Contemporary |
| Exterior Material | Asbestos |
| Construction Type | Frame |
| Roof Material | Tar & Gravel |
| Lot Area | 5,400 sqft (0.124 acres) |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 488 sqft |
| Patio Area | 488 sqft |
| Heating System | Central |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 139 WALNUT AVE |
|---|---|
| City | CORTE MADERA |
| State | CA |
| Zip | 94925-1065 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | OFFICIAL RECS 6 PG 35 BLK 2 LOT 1 |
| Legal Subdivision | MADERA GARDENS 01 |
| Legal Tract | 1 |
| Legal Block | 2 |
| Legal Lot Number | 1 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | ROSS VALLEY |
| Census Block Group | 1 |
| Census Block | 1026 |
| Census Tract | 121100 |
Source: Marin County records · APN 024-063-04
Assessment roll updated July 13, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 139 WALNUT AVE, CORTE MADERA, CA 94925-1065 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jun 27, 2008 · Amount on Record |
| Deed Sale | Jun 27, 2008 · Amount on Record |
| Prior Sale | Dec 06, 2001 · Amount on Record |
| Deed Document Number | 200830583 |
| Prior Transfer Date | Feb 20, 2008 |
| Prior Transfer Doc | 0000008545 |
| Record Updated | Sep 20, 2026 |
Source: Marin County records · Assessment roll updated July 13, 2026 · Last verified July 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) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,058,354 (+2%) Land $736,829 Building $321,525 | |
| 2025 | $13,059.00 (+8.83%) Homeowner's exemption | $1,037,609 (+4.04%) Land $722,386 Building $315,223 |
| 2023 | $12,000.00 (+0.59%) Homeowner's exemption | $997,327 Land $694,342 Building $302,985 |
| 2022 | $11,930.00 |
Source: FEMA National Flood Hazard Layer as of October 18, 2023 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 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 Record 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 |
|
| 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 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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| 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 USA Fixed Wireless | 100 / 20 |
May also be available: Verizon.
Based on FCC filings for 562 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | MARIN MUNICIPAL WATER DISTRICT serves 188,116 people |
|---|---|
| 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
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