Marin County property record for 55 Cornelia Ave, Mill Valley, CA 94941 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 1 bd · 1 ba · 880 sqft · built 1969 |
| Lot Size | 0.193 acres (8,400 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $800,000 (Jan 2015) |
| Tax Bill | $14,348 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 027-221-14 |
| Primary APN | 027-221-14 |
|---|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Building Area | 880 sqft Living Area |
| Basement Area | 504 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1969 |
|---|---|
| Effective Year Built | Effective 1972 |
| Architectural Style | Contemporary |
| Lot Area | 8,400 sqft (0.193 acres) |
| Deck Area | 930 sqft |
| Patio Area | 1,144 sqft |
| Heating System | Floor/Wall Furnace |
|---|
| Street Address | 55 CORNELIA AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1801 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Subdivision | TAMALPAIS LAND & WATER CO MAP |
| Legal Lot Number | 149 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 4 |
| Census Block | 4001 |
| Census Tract | 127000 |
Source: Marin County records · APN 027-221-14
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 | 6519 EVENING ST, WORTHINGTON, OH 43085-3057 |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jan 15, 2015 · Amount on Record |
| Deed Sale | Jan 15, 2015 · Amount on Record |
| Deed Document Number | 20151824 |
| Prior Transfer Date | Jan 06, 2015 |
| Prior Transfer Doc | 0000001823 |
| 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 | $980,672 (+2%) Land $766,150 Building $214,522 | |
| 2025 | $14,348.00 (+4.8%) | $961,447 (+4.04%) Land $751,131 Building $210,316 |
| 2023 | $13,691.00 (+4.86%) | $924,119 Land $721,968 Building $202,151 |
| 2022 | $13,057.00 |
Source: FEMA National Flood Hazard Layer, Marin County (06041C), updated October 18, 2023 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060411270004, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Flood Insurance Cost | Premium on Record median of 10 individual NFIP policies nearby |
| Nearby Flood Policies | 10 in force |
| Nearby Flood Claims | 2 (2005–2007) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | May 2007, other causes |
| 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; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 340 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
May also be available at this address: Unwired, Verizon, AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE (outdoors only)
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