Marin County property record for 255 Greene St, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3.5 ba · 2,016 sqft · built 1951 |
| Lot Size | 0.202 acres (8,777 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $22,843 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 051-243-15 |
| Primary APN | 051-243-15 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Building Area | 2,016 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1974 |
| Architectural Style | Contemporary |
| Lot Area | 8,777 sqft (0.202 acres) |
| Garage Area | 640 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 225 sqft |
| Patio Area | 225 sqft |
| Heating System | Central |
|---|
| Street Address | 255 GREENE ST |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-3516 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | L36&L37 B9 /B4P11 M MARIN HEIGHTS #A |
| Legal Subdivision | MARIN HEIGHTS SUB A |
| Legal Block | 9 |
| Legal Lot Number | 36,37 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 128100 |
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 Company Names on Record |
|---|---|
| Mailing Address | PO BOX 792, MILL VALLEY, CA 94942-0792 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Living Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 2, 2006 |
| Deed Sale | May 2, 2006 |
| Prior Sale | Jun 24, 1994 · Amount on Record |
| Deed Document Number | 200627653 |
| Last Transfer Date | Sep 11, 2012 |
| Transfer Doc | 0000024325 |
| Record Updated | Oct 29, 2026 |
Source: Marin County assessment roll, as of July 13, 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| 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 | $1,758,950 (+2%) Land $1,115,024 Building $643,926 | |
| 2025 | $22,843.00 (+5.36%) Homeowner's exemption | $1,724,472 (+4.04%) Land $1,093,168 Building $631,304 |
| 2023 | $21,681.00 (+3.55%) Homeowner's exemption | $1,657,523 Land $1,050,728 Building $606,795 |
| 2022 | $20,937.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 4 in force |
| Nearby Flood Claims | 4 (1982–1998) |
| Claims Outside the SFHA | 4 of 4 |
| Most Recent Claim | Apr 1998 · Severe Winter Storms And Flooding |
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Indirect within ember reach |
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 707 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: T-Mobile, Verizon.
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