Marin County property record for 15 Grove St, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,799 sqft · built 1914 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $6,684 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 028-024-07 |
| Primary APN | 028-024-07 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Building Area | 1,799 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1914 |
|---|---|
| Effective Year Built | Effective 1951 |
| Architectural Style | Contemporary |
| Lot Area | 5,000 sqft (0.115 acres) |
| Garage Area | 376 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 245 sqft |
| Patio Area | 245 sqft |
| Street Address | 15 GROVE ST |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-2004 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MAP 1 PG 132 BLK 15 LOT 14 |
| Legal Subdivision | LYON & HOAGS SUB/SUNNYSIDE |
| Legal Block | 15 |
| Legal Lot Number | 14 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 1 |
| Census Block | 1020 |
| Census Tract | 127000 |
15 Grove St is owner-occupied and held in a trust since May 2009.
Source: Marin County records, as of July 13, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 15 GROVE ST, MILL VALLEY, CA 94941-2004 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | May 14, 2009 |
| Transfer Doc | 0000030231 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 15 Grove St was $6,684 with a homeowner's exemption.
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 | $445,203 (+2%) Land $194,414 Building $250,789 | |
| 2025 | $6,684.00 Homeowner's exemption | $436,473 Land $190,602 Building $245,871 |
| 2023 | $6,517.00 (-2.64%) Homeowner's exemption | $419,525 Land $183,202 Building $236,323 |
| 2022 | $6,694.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 15 Grove St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
| Flood Insurance Cost | Premium on File median of 21 policies |
| Nearby Flood Policies | 21 in force |
| Nearby Flood Claims | 14 (1979–2005) |
| Claims Outside the SFHA | 5 of 14 |
| Most Recent Claim | Dec 2005 · Severe Storms, Flooding, Mudslides, And Landslides |
| 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.
Wildfire risk around 15 Grove St is low, with a 0.01% annual chance of wildfire.
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 762 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 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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