Marin County property record for 11 Cornelia Ave, Mill Valley, CA 94941 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3.5 ba · 1,972 sqft · built 1966 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $45,500 (Nov 1998) |
| Tax Bill | $16,988 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 027-222-26 |
| Primary APN | 027-222-26 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Building Area | 1,972 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1966 |
|---|---|
| Effective Year Built | Effective 1974 |
| Architectural Style | Contemporary |
| Lot Area | 6,000 sqft (0.138 acres) |
| Garage Area | 280 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 363 sqft |
| Patio Area | 574 sqft |
| Heating System | Central |
|---|
| Street Address | 11 CORNELIA AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1840 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 146 |
| Legal Subdivision | TAMALPAIS LAND & WATER CO MAP |
| Legal Lot Number | 146 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 4 |
| Census Block | 4002 |
| Census Tract | 127000 |
Source: Marin County records · APN 027-222-26
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 | 11 CORNELIA AVE, MILL VALLEY, CA 94941-1840 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Nov 05, 1998 · Amount on Record |
| Deed Sale | Nov 05, 1998 · Amount on Record |
| Prior Sale | May 05, 1998 · Amount on Record |
| Deed Document Number | 199882265 |
| Last Transfer Date | Oct 10, 2012 |
| Transfer Doc | 0000070026 |
| 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 | 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 | $1,189,854 (+2%) Land $647,284 Building $542,570 | |
| 2025 | $16,988.00 (+7.29%) Homeowner's exemption | $1,166,526 (+4.04%) Land $634,594 Building $531,932 |
| 2023 | $15,834.00 (+4.34%) Homeowner's exemption | $1,121,236 Land $609,956 Building $511,280 |
| 2022 | $15,175.00 |
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 |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Wildfire Risk | Low above 32% of the US · above 19% of California |
|---|---|
| Wildfire Likelihood | About 1 in 2,778 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.
Source: NPS National Register of Historic Places · August 1, 2026 release · Last verified October 2026
| Listed Area | Within Dipsea Trail, The listed 2010 · 1 contributing resources · NRIS 10000356 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
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