Marin County property record for 89 Walnut Ave, Mill Valley, CA 94941 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 1,364 sqft · built 1924 |
| Lot Size | 0.161 acres (7,000 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $500,000 (Feb 1997) |
| Tax Bill | $13,293 (2025) |
| Deeds & Mortgages | Dec 2018 Transfer |
| Flood Zone | Zone AE (high risk) |
| APN | 028-233-17 |
| Primary APN | 028-233-17 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,364 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1924 |
|---|---|
| Effective Year Built | Effective 1959 |
| Architectural Style | Contemporary |
| Exterior Material | Wood Siding |
| Roof Material | Composition Shingle |
| Lot Area | 7,000 sqft (0.161 acres) |
| Garage Area | 200 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 180 sqft |
| Patio Area | 180 sqft |
| Heating System | Central |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 89 WALNUT AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-2822 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 208 |
| Legal Subdivision | TAMALPAIS PARK |
| Legal Lot Number | 208 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 126100 |
Source: Marin County records · APN 028-233-17
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 | 2 Company Names on File |
|---|---|
| Mailing Address | 89 WALNUT AVE, MILL VALLEY, CA 94941-2822 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Living Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Feb 27, 1997 · Amount on Record |
| Deed Sale | Feb 27, 1997 · Amount on Record |
| Deed Document Number | 19979530 |
| Last Transfer Date | Nov 27, 2018 |
| Transfer Doc | 0000042701 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Dec 17, 2018 |
| Property Address | 89 WALNUT AVE, MILL VALLEY, CA 94941-2822 |
| Document Number | 0000042701 |
| Instrument Date | Nov 27, 2018 |
| Instrument | 42701 |
| Transaction Type | Transfer |
| Record Updated | Dec 31, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Common |
| Address | 89 WALNUT AVE MILL VALLEY CA 949412822, MILL VALLEY, CA 94941-2822 |
Source: Marin County records · Assessment roll updated July 13, 2026 · Last verified July 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) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $844,155 (+2%) Land $586,342 Building $257,813 | |
| 2025 | $13,293.00 (+8.2%) Homeowner's exemption | $827,604 (+4.04%) Land $574,845 Building $252,759 |
| 2023 | $12,286.00 (+1.64%) Homeowner's exemption | $795,471 Land $552,527 Building $242,944 |
| 2022 | $12,088.00 |
Source: FEMA National Flood Hazard Layer, Marin County (06041C), updated October 18, 2023 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone AE |
|---|---|
| Flood Hazard | High |
| 100-Year Floodplain | Yes 1% annual chance |
| Special Flood Hazard Area | Yes |
| Flood Insurance Requirement | Required (federally backed mortgages) |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Wildfire Risk | Low above 20% of the US · above 11% of California |
|---|---|
| Wildfire Likelihood | About 1 in 10,000 per year |
| Exposure | Indirect within ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures