Marin County property record for 45 W Blithedale Ave, Mill Valley, CA 94941
| Property Type | Duplex |
|---|---|
| Details | 3 bd · 1 ba · 2,070 sqft · built 1907 |
| Lot Size | 0.186 acres (8,085 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $7,021 (2025) |
| Deeds & Mortgages | Jul 2021 Mortgage |
| Flood Zone | Zone AE (high risk) |
| APN | 028-014-09 |
| Primary APN | 028-014-09 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Units | 2 Units |
| Building Area | 2,070 sqft Living Area |
| Basement Area | 578 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1907 |
|---|---|
| Effective Year Built | Effective 1920 |
| Architectural Style | Contemporary |
| Lot Area | 8,085 sqft (0.186 acres) |
| Garage Area | 378 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 130 sqft |
| Patio Area | 130 sqft |
| Heating System | Central |
|---|
| Street Address | 45 W BLITHEDALE AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1137 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | L37* /B128P64 D PLAT OF GARDNER TR |
| Legal Subdivision | GARDNER |
| Legal Lot Number | 37 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 5 |
| Census Block | 5014 |
| Census Tract | 127000 |
Source: Marin County records, as of July 13, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | PO BOX 409, PETALUMA, CA 94953-0409 |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Mar 15, 1994 |
| Transfer Doc | 0000027124 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARIN CA |
| Property Address | 45 W BLITHEDALE AVE, MILL VALLEY, CA 94941-1137 |
| Transaction Type | Mortgage |
| Record Updated | Aug 10, 2021 |
| Name | Verified Name |
|---|---|
| Address | PO BOX 409, PETALUMA, CA 94953-0409 |
| Document Number | 0000048697 |
|---|---|
| Date | Jul 29, 2021 |
| Instrument | 2021-0048697 |
| Name | BANK OF THE WEST |
|---|---|
| Type | Bank |
| Address | OMAHA, NE 68154 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jul 1, 2051 |
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 | $269,558 (+2%) Land $162,492 Building $107,066 | |
| 2025 | $7,021.00 (-5.25%) | $264,273 (+4.04%) Land $159,306 Building $104,967 |
| 2023 | $7,410.00 (-3.26%) | $254,011 Land $153,120 Building $100,891 |
| 2022 | $7,660.00 |
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 AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 14 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 14 in force |
| Nearby Flood Claims | 11 (1983–2017) |
| Claims Outside the SFHA | 4 of 11 |
| Most Recent Claim | Mar 2017 · river or lake flooding |
| 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 | 0.02% 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 595 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 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: T-Mobile, Unwired.
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