Marin County property record for 321 W Blithedale Ave, Mill Valley, CA 94941
| Property Type | Duplex |
|---|---|
| Details | 3 bd · 3 ba · 2,043 sqft · built 1940 |
| Lot Size | 0.253 acres (11,000 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $1,455,000 (Aug 2018) |
| Tax Bill | $23,194 (2025) |
| Deeds & Mortgages | Mar 2020 Mortgage Aug 2018 Sale & Mortgage |
| Flood Zone | Zone AE (high risk) |
| APN | 027-123-05 |
| Primary APN | 027-123-05 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 5 Rooms |
| Units | 2 Units |
| Building Area | 2,043 sqft Living Area |
| Basement Area | 655 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1979 |
| Architectural Style | Contemporary |
| Lot Area | 11,000 sqft (0.253 acres) |
| Garage Area | 200 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 72 sqft |
| Patio Area | 72 sqft |
| Heating System | Central |
|---|
| Street Address | 321 W BLITHEDALE AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-1094 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | OFFICIAL RECS 315 PG 94 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 5 |
| Census Block | 5017 |
| Census Tract | 126100 |
Source: Marin County records, as of July 13, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 321 W BLITHEDALE AVE, MILL VALLEY, CA 94941-1094 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Borrower in Default |
| Date | Document |
|---|---|
| Mar 27, 2020 | Deed of Trust, Mortgage QUICKEN LNS |
| Aug 7, 2018 | Grant Deed, Transfer · Conventional Mortgage NEW PENN FINANCIAL LLC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 7, 2018 · Amount on Record |
| Deed Sale | Aug 7, 2018 · Amount on Record |
| Prior Sale | Aug 7, 2008 · Amount on Record |
| Deed Document Number | 201827953 |
| Prior Transfer Date | May 4, 2004 |
| Prior Transfer Doc | 0000038257 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARIN CA |
| Property Address | 321 W BLITHEDALE AVE, MILL VALLEY, CA 94941-1094 |
| Document Number | 0000013264 |
| Instrument Date | Mar 27, 2020 |
| Transaction Type | Mortgage |
| Record Updated | May 7, 2020 |
| Title Company | OTHER |
| Name | Verified Name |
|---|---|
| Address | 321 W BLITHEDALE AVE MILL VALLEY CA 949411094, MILL VALLEY, CA 94941-1094 |
| Document Number | 0000013264 |
|---|---|
| Date | Apr 3, 2020 |
| Instrument | 13264 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Amount | Amount Recorded |
|---|---|
| Term | 360 Months |
| Due | Apr 2, 2050 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Aug 7, 2018 |
| Property Address | 321 W BLITHEDALE AVE, MILL VALLEY, CA 94941-1094 |
| Document Number | 0000027953 |
| Instrument Date | Jul 24, 2018 |
| Instrument | 2018-0027953 |
| Transaction Type | Transfer |
| Record Updated | Jul 21, 2022 |
| Title Company | OLD REPUBLIC TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 00000 |
| Name | Verified Name |
|---|---|
| Address | 367 TENNESSEE AVE, MILL VALLEY, CA 94941-3841 |
| Document Number | 0000027954 |
|---|---|
| Date | Aug 7, 2018 |
| Instrument | 2018-0027954 |
| Name | NEW PENN FINANCIAL LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 1, 2048 |
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 | $1,649,824 (+2%) Land $796,467 Building $853,357 | |
| 2025 | $23,194.00 (+5.93%) Homeowner's exemption | $1,617,475 (+4.04%) Land $780,850 Building $836,625 |
| 2023 | $21,895.00 (+1.98%) Homeowner's exemption | $1,554,675 Land $750,533 Building $804,142 |
| 2022 | $21,469.00 |
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 |
| 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.
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 | 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 313 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 and 4G LTE (outdoors only)
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