Marin County property record for 41 Walnut Ave, Mill Valley, CA 94941 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 1 Baths |
| Architecture Style | Contemporary |
| Year Built | Built 1929 |
| Square Footage | 1,508 sqft Living Area |
| Lot Size | 6,800 sqft (0.156 acres) |
| Tax Bill | $18,842.00 (2025) |
| Primary APN | 028-233-29 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Baths |
| Building Area | 1,508 sqft Living Area |
| Basement Area | 1,586 sqft Basement |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1909 |
|---|---|
| Effective Year Built | Effective 1929 |
| Architectural Style | Contemporary Style |
| Lot Area | 6,800 sqft (0.156 acres) |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 157 sqft Deck |
| Patio Area | 157 sqft Patio |
| Street Address | 41 WALNUT AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-2822 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | MAP 2 PG 55 LOT 245 |
| Legal Subdivision | TAMALPAIS PARK |
| Legal Lot Number | 245 |
| Jurisdiction | MARIN CA |
| Minor Civil Division | SOUTHEAST MARIN |
| Census Blockgroup | 3 |
| Census Block | 3002 |
| Census Tract | 126100 |
Source: Marin County records · APN 028-233-29
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 | 576 LOUIS DR, NOVATO, CA 94945-3337 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Nov 05, 2024 |
| Transfer Doc | 0000032478 |
| Record Refreshed | 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 | 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 | $1,313,799 (+2%) Land $853,185 Building $460,614 | |
| 2025 | $18,842.00 (+186.18%) | $1,288,040 (+406.78%) Land $836,457 Building $451,583 |
| 2023 | $6,584.00 (-0.15%) | $254,162 Land $105,334 Building $148,828 |
| 2022 | $6,594.00 |
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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