Marin County property record for 218 del Casa Dr, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,741 sqft · built 1961 |
| Lot Size | 0.092 acres (4,000 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $3,594 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 029-173-08 |
| Primary APN | 029-173-08 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 1,741 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 1961 |
| Architectural Style | Contemporary |
| Lot Area | 4,000 sqft (0.092 acres) |
| Deck Area | 1,162 sqft |
| Patio Area | 1,162 sqft |
| Heating System | Central |
|---|
| Street Address | 218 DEL CASA DR |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1308 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 126100 |
218 del Casa Dr is owned and occupied by two individuals who acquired it in May 2005.
Source: Marin County records, as of July 13, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 218 DEL CASA DR, MILL VALLEY, CA 94941-1308 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
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 | 2 Names on Deed |
|---|---|
| Last Transfer Date | May 19, 2005 |
| Transfer Doc | 0000038460 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 218 del Casa Dr was $3,594.
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 | $168,210 (+2%) Land $61,905 Building $106,305 | |
| 2025 | $3,594.00 Homeowner's exemption | $164,912 Land $60,691 Building $104,221 |
| 2023 | $3,574.00 (+7.04%) Homeowner's exemption | $158,509 Land $58,335 Building $100,174 |
| 2022 | $3,339.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 218 del Casa Dr in Zone X, an area of minimal flood risk, though there have been 9 flood claims nearby since 1982.
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 10 policies |
| Nearby Flood Policies | 10 in force |
| Nearby Flood Claims | 9 (1982–1998) |
| Claims Outside the SFHA | 8 of 9 |
| Most Recent Claim | May 1998 · other causes |
| 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 218 del Casa Dr is low, with a 0.04% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 65% of the US · lower than 79% of California |
|---|---|
| Wildfire Likelihood | 0.04% 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 301 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 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: T-Mobile, Verizon.
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