Marin County property record for 400 Summit Ave, Mill Valley, CA 94941 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 4 Baths |
| Year Built | Built 1968 |
| Square Footage | 3,179 sqft Living Area |
| Lot Size | 41,145 sqft (0.945 acres) |
| Occupancy | Owner Occupied |
| Tax Bill | $17,307.00 (2025) |
| Primary APN | 027-143-39 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4 Baths |
| Building Area | 3,179 sqft Living Area |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1968 |
| Lot Area | 41,145 sqft (0.945 acres) |
| Street Address | 400 SUMMIT AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1002 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Subdivision | TAMALPAIS LAND & WATER CO |
| Legal Lot Number | 221 |
| Jurisdiction | MARIN CA |
| Minor Civil Division | SOUTHEAST MARIN |
| Census Blockgroup | 5 |
| Census Block | 5006 |
| Census Tract | 127000 |
Source: Marin County records · APN 027-143-39
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 | 400 SUMMIT AVE, MILL VALLEY, CA 94941-1002 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Trustor/Debtor (Borrower in Default/Foreclosure On Trustee's Deed) |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Oct 11, 2011 |
| Transfer Doc | 0000051772 |
| 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 | $1,343,685 (+2%) Land $562,934 Building $780,751 | |
| 2025 | $17,307.00 (-4.39%) Homeowner's exemption | $1,317,341 (+4.04%) Land $551,897 Building $765,444 |
| 2023 | $18,101.00 (-3.95%) Homeowner's exemption | $1,266,190 Land $530,468 Building $735,722 |
| 2022 | $18,845.00 |
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 X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Low above 34% of the US · above 20% of California |
|---|---|
| Wildfire Likelihood | About 1 in 2,381 per year |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values are read at the parcel center point; lenders make the official flood determination.
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