Marin County property record for 12 Greenfield Ct, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 4,208 sqft · built 1984 |
| Lot Size | 0.534 acres (23,252 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $18,824 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 033-230-06 |
| Primary APN | 033-230-06 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Building Area | 4,208 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1984 |
|---|---|
| Effective Year Built | Effective 1986 |
| Architectural Style | Contemporary |
| Lot Area | 23,252 sqft (0.534 acres) |
| Garage Area | 477 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 1,119 sqft |
| Patio Area | 1,119 sqft |
| Heating System | Central |
|---|
| Street Address | 12 GREENFIELD CT |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-4329 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MAP 19 PG 15 LOT 6 |
| Legal Subdivision | GREENFIELD COURT |
| Legal Lot Number | 6 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 126200 |
Source: Marin County records, as of August 19, 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 File |
|---|---|
| Mailing Address | 18900 CARRIGER RD, SONOMA, CA 95476-5216 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Apr 27, 1994 |
| Transfer Doc | 0000059025 |
| Record Updated | Oct 29, 2026 |
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 | $1,232,565 (+2%) Land $570,291 Building $662,274 | |
| 2025 | $18,824.00 (-1.26%) Homeowner's exemption | $1,208,397 (+4.04%) Land $559,109 Building $649,288 |
| 2023 | $19,064.00 (+14.32%) Homeowner's exemption | $1,161,478 Land $537,400 Building $624,078 |
| 2022 | $16,676.00 |
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 86 individual policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 108 units insured incl. 22 condo units |
| Nearby Flood Claims | 9 (1982–2019) |
| Claims Outside the SFHA | 1 of 9 |
| Most Recent Claim | Feb 2019 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
| Claims by Event |
|
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 |
| Adjoins Burnable Land | Yes |
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 367 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
May also be available: Unwired.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures