Marin County property record for 128 Walnut Ave, Mill Valley, CA 94941 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 736 sqft · built 1926 |
| Lot Size | 0.106 acres (4,600 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,950,000 (Jul 2025) |
| Tax Bill | $17,650 (2025) |
| Deeds & Mortgages | Nov 2019 Line of Credit |
| Flood Zone | Zone AE (high risk) |
| APN | 030-052-02 |
| Primary APN | 030-052-02 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Building Area | 736 sqft Living Area |
| Basement Area | 120 sqft Basement |
| Stories | 1 Story |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplace |
| Year Built | Built 1926 |
|---|---|
| Effective Year Built | Effective 1938 |
| Architectural Style | Contemporary |
| Lot Area | 4,600 sqft (0.106 acres) |
| Garage Area | 216 sqft Garage |
| Deck Area | 308 sqft Deck |
| Patio Area | 308 sqft Patio |
| Heating System | Central |
|---|
| Street Address | 128 WALNUT AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-2814 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | L105 /B2P55 M TAMALPAIS PARK |
| Legal Subdivision | TAMALPAIS PARK |
| Legal Lot Number | 105 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 126100 |
Source: Marin County records · APN 030-052-02
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 Individual Names on File |
|---|---|
| Mailing Address | 128 WALNUT AVE, MILL VALLEY, CA 94941-2814 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jul 11, 2025 · Amount on Record |
| Deed Sale | Jul 11, 2025 · Amount on Record |
| Prior Sale | Jul 06, 2006 · Amount on Record |
| Deed Document Number | 202518369 |
| Prior Transfer Date | Apr 16, 2015 |
| Prior Transfer Doc | 0000018593 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARIN CA |
| Property Address | 128 WALNUT AVE, MILL VALLEY, CA 94941-2814 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | SERVICELINK |
| Name | Verified Name |
|---|
| Document Number | 0000044188 |
|---|---|
| Date | Nov 21, 2019 |
| Instrument | 2019-0044188 |
| Name | CITIBANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
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 | $1,950,000 (+57.36%) Land $1,250,000 Building $700,000 | |
| 2025 | $17,650.00 (+5.26%) | $1,239,204 (+4.04%) Land $937,776 Building $301,428 |
| 2023 | $16,768.00 (+4.01%) | $1,191,094 Land $901,369 Building $289,725 |
| 2022 | $16,121.00 |
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.
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