Marin County property record for 78 Coronet Ave, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,714 sqft · built 1922 |
| Lot Size | 0.206 acres (8,988 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $3,825,000 (Oct 2024) |
| Tax Bill | $47,483 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 029-067-19 |
| Primary APN | 029-067-19 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Building Area | 2,714 sqft Living Area |
| Basement Area | 90 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1922 |
|---|---|
| Effective Year Built | Effective 1992 |
| Architectural Style | Contemporary |
| Lot Area | 8,988 sqft (0.206 acres) |
| Parking Spaces | 2 Parking Spaces |
| Pool Area | 310 sqft |
| Deck Area | 417 sqft |
| Patio Area | 417 sqft |
| Heating System | Radiant |
|---|
| Street Address | 78 CORONET AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1165 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MAP D2 606 |
| Legal Subdivision | BLITHEDALE MAP #2 |
| Legal Lot Number | 53 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 5 |
| Census Block | 5019 |
| Census Tract | 126100 |
78 Coronet Ave is held in a trust since October 2024.
Source: Marin County records, as of July 13, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 78 CORONET AVE, MILL VALLEY, CA 94941-1165 |
| Owner Type | Company |
| Vesting | Trust, Irrevocable Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 28, 2024 · Amount on File |
| Deed Sale | Oct 28, 2024 · Amount on File |
| Prior Sale | Feb 28, 2013 · Amount on File |
| Deed Document Number | 202428807 |
| Prior Transfer Date | Apr 7, 2013 |
| Prior Transfer Doc | 0000025548 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 78 Coronet Ave was $47,483.
Source: Marin County assessment roll, as of July 13, 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) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $3,899,460 (+2%) Land $2,346,000 Building $1,553,460 | |
| 2025 | $47,483.00 | $3,823,000 Land $2,300,000 Building $1,523,000 |
| 2023 | $31,390.00 (+2.5%) Homeowner's exemption | $2,658,282 Land $1,301,927 Building $1,356,355 |
| 2022 | $30,624.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 78 Coronet Ave in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 1986.
Source: FEMA National Flood Hazard Layer, effective October 18, 2023 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 3 (1986–2010) |
| Claims Outside the SFHA | 2 of 3 |
| Most Recent Claim | Jan 2010 · rainfall accumulation |
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.
Wildfire risk around 78 Coronet Ave is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 67% of the US · lower than 81% of California |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | MARIN MUNICIPAL WATER DISTRICT serves 188,116 people · EPA ID CA2110002 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Aug 2023 |
| Lead | Under 1 ppb (2019–2021) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 595 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: T-Mobile, Unwired.
5G (outdoors only) and 4G LTE
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