Marin County property record for 248 W Blithedale Ave, Mill Valley, CA 94941
| Property Type | Duplex |
|---|---|
| Details | 2 bd · 3 ba · 1,232 sqft · built 1949 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $6,898 (2025) |
| Deeds & Mortgages | Aug 2018 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 029-022-10 |
| Primary APN | 029-022-10 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 3 Rooms |
| Units | 2 Units |
| Stories | 1 Story |
| Building Area | 1,232 sqft Living Area |
| Basement Area | 420 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1967 |
| Architectural Style | Contemporary |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Tar & Gravel |
| Lot Area | 6,000 sqft (0.138 acres) |
| Deck Area | 372 sqft |
| Patio Area | 372 sqft |
| Heating System | Central |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 248 W BLITHEDALE AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1055 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | MAP 1 PG 128 PART OF LOT 24,25 |
| Legal Subdivision | SB CUSHINGS SUB |
| Legal Lot Number | 24 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 5 |
| Census Block | 5010 |
| Census Tract | 126100 |
248 W Blithedale Ave, a duplex, is owned by a company that acquired it in March 1993.
Source: Marin County records, as of July 13, 2026
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | PO BOX 2488, OLYMPIC VALLEY, CA 96146-2488 |
| Owner Type | Company |
| Vesting | Borrower in Default |
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 | Mar 25, 1993 |
| Transfer Doc | 0000041476 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Aug 14, 2018 |
| Property Address | 248 W BLITHEDALE AVE, MILL VALLEY, CA 94941-1055 |
| Document Number | 0000028822 |
| Instrument Date | Jul 25, 2018 |
| Instrument | 28822 |
| Transaction Type | Transfer |
| Record Updated | Aug 24, 2018 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | PO BOX 2488 OLYMPIC VALLEY CA 961462488, OLYMPIC VALLEY, CA 96146-2488 |
The 2025 property tax bill for 248 W Blithedale Ave was $6,898.
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 | $260,443 (+2%) Land $85,663 Building $174,780 | |
| 2025 | $6,898.00 | $255,337 Land $83,983 Building $171,354 |
| 2023 | $6,711.00 (+4.74%) | $245,424 Land $80,723 Building $164,701 |
| 2022 | $6,407.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 248 W Blithedale Ave 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 |
| 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 248 W Blithedale Ave is moderate, ranking above 42% of the US, with a 0.07% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 42% of the US · lower than 75% of California |
|---|---|
| Wildfire Likelihood | 0.07% 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 113 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 |
5G (outdoors only) and 4G LTE
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