Marin County property record for 66 W Blithedale Ave, Mill Valley, CA 94941
| Property Type | Duplex |
|---|---|
| Details | 3 bd · 3.5 ba · 2,472 sqft · built 1903 |
| Lot Size | 0.202 acres (8,800 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $12,568 (2025) |
| Deeds & Mortgages | Sep 2019 Mortgage Nov 2018 Mortgage + 3 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 029-102-03 |
| Primary APN | 029-102-03 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,472 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1903 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Contemporary |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 8,800 sqft (0.202 acres) |
| Deck Area | 304 sqft |
| Patio Area | 304 sqft |
| Heating System | Central |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 66 W BLITHEDALE AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1136 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | L3* /B1P85 M GARDNER TR ADDITION |
| Legal Subdivision | GARDNER ADD/EASTLAND |
| Legal Lot Number | 3 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 4 |
| Census Block | 4001 |
| Census Tract | 126100 |
66 W Blithedale Ave, a duplex, is owned by a company that acquired it in October 2020 and is owner-occupied.
Source: Marin County records, as of July 13, 2026
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 66 W BLITHEDALE AVE, MILL VALLEY, CA 94941-1136 |
| Occupancy | Owner Occupied |
| 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.
| Date | Document |
|---|---|
| Sep 18, 2019 | Deed of Trust, Mortgage · ARM UMPQUA BANK |
| Nov 5, 2018 | Deed of Trust, Mortgage · Commercial Mortgage UMPQUA BANK |
| Oct 15, 2020 | Quit Claim Deed, Transfer OLD REPUBLIC TITLE |
| Oct 15, 2020 | Intrafamily Transfer, Transfer · Conventional Mortgage UMPQUA BANK |
| Dec 19, 2017 | Quit Claim Deed, Transfer Quitclaim |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Oct 8, 2020 |
| Transfer Doc | 0000049975 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARIN CA |
| Property Address | 66 W BLITHEDALE AVE, MILL VALLEY, CA 94941-1136 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | OLD REPUBLIC TITLE CO |
| Name | Verified Name |
|---|
| Document Number | 0000034351 |
|---|---|
| Date | Sep 18, 2019 |
| Instrument | 2019-0034351 |
| Name | UMPQUA BANK |
|---|---|
| Type | Bank |
| Address | PORTLAND, OR 97224 |
| Type | ARM |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Oct 1, 2049 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.12% |
| Adjustable | Adjustable Rate Rider |
| Type Change Date | Oct 1, 2029 |
| Change Frequency | Annually |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 5.12% |
| Index | 1-Year LIBOR |
| Max Rate | 8.12% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARIN CA |
| Property Address | 66 W BLITHEDALE AVE, MILL VALLEY, CA 94941-1136 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | SERVICELINK |
| Name | Verified Name |
|---|
| Document Number | 0000038249 |
|---|---|
| Date | Nov 5, 2018 |
| Instrument | 2018-0038249 |
| Name | UMPQUA BANK |
|---|---|
| Type | Bank |
| Address | CORTE MADERA, CA 94925 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Oct 15, 2020 |
| Property Address | 66 W BLITHEDALE AVE, MILL VALLEY, CA 94941-1136 |
| Document Number | 0000049975 |
| Instrument Date | Oct 9, 2020 |
| Instrument | 49975 |
| Transaction Type | Transfer |
| Record Updated | Oct 29, 2020 |
| Title Company | OLD REPUBLIC TITLE |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 66 W BLITHEDALE AVE MILL VALLEY CA 949411136, MILL VALLEY, CA 94941-1136 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Oct 15, 2020 |
| Property Address | 66 W BLITHEDALE AVE, MILL VALLEY, CA 94941-1136 |
| Document Number | 0000049973 |
| Map Reference | VOL 1 PG 85 |
| Instrument Date | Oct 9, 2020 |
| Instrument | 2020-0049973 |
| Transaction Type | Transfer |
| Record Updated | Aug 13, 2021 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 66 W BLITHEDALE AVE, MILL VALLEY, CA 94941-1136 |
| Document Number | 0000049974 |
|---|---|
| Date | Oct 15, 2020 |
| Instrument | 2020-0049974 |
| Name | UMPQUA BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Nov 1, 2050 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Dec 19, 2017 |
| Property Address | 66 W BLITHEDALE AVE, MILL VALLEY, CA 94941-1136 |
| Document Number | 0000050281 |
| Instrument Date | Nov 15, 2016 |
| Instrument | 50281 |
| Transaction Type | Transfer |
| Record Updated | Mar 21, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 66 W BLITHEDALE AVE MILL VALLEY CA 949411136, MILL VALLEY, CA 94941-1136 |
The 2025 property tax bill for 66 W Blithedale Ave was $12,568 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 | $839,926 (+2%) Land $223,426 Building $616,500 | |
| 2025 | $12,568.00 Homeowner's exemption | $823,460 Land $219,046 Building $604,414 |
| 2023 | $12,143.00 (-15.04%) Homeowner's exemption | $791,488 Land $210,541 Building $580,947 |
| 2022 | $14,293.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 66 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 | 6 in force |
| Nearby Flood Claims | 5 (1982–2009) |
| Claims Outside the SFHA | 4 of 5 |
| Most Recent Claim | Oct 2009 · other causes |
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 66 W Blithedale Ave 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 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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