Marin County property record for 321 Corte Madera Ave, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 5 ba · 2,823 sqft · built 1906 |
| Lot Size | 0.103 acres (4,500 sqft) |
| Owner | 2 Companies on Record |
| Last Sale | $1,000,000 (Aug 2009) |
| Tax Bill | $19,092 (2025) |
| Deeds & Mortgages | May 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 027-082-03 |
| Primary APN | 027-082-03 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Building Area | 2,823 sqft Living Area |
| Year Built | Built 1906 |
|---|---|
| Effective Year Built | Effective 2003 |
| Architectural Style | Contemporary |
| Lot Area | 4,500 sqft (0.103 acres) |
| Garage Area | 456 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 427 sqft |
| Patio Area | 598 sqft |
| Heating System | Central |
|---|
| Street Address | 321 CORTE MADERA AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-4505 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 322 |
| Legal Subdivision | TAMALPAIS LAND & WATER CO MAP |
| Legal Lot Number | 322 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 5 |
| Census Block | 5005 |
| Census Tract | 127000 |
Source: Marin County assessment roll, 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 Companies on Record |
|---|---|
| Mailing Address | 321 CORTE MADERA AVE, MILL VALLEY, CA 94941-4505 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Borrower in Default |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 27, 2009 · Amount on Record |
| Deed Sale | Aug 27, 2009 · Amount on Record |
| Prior Sale | Oct 13, 2003 · Amount on Record |
| Deed Document Number | 200949793 |
| Last Transfer Date | Nov 2, 2011 |
| Transfer Doc | 0000002455 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARIN CA |
| Property Address | 321 CORTE MADERA AVE, MILL VALLEY, CA 94941-4505 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | OLD REPUBLIC TITLE CO |
| Name | Verified Name |
|---|
| Document Number | 0000018403 |
|---|---|
| Date | May 11, 2020 |
| Instrument | 2020-0018403 |
| Name | AMERICAN PACIFIC MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Address | ROSEVILLE, CA 95661 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | May 1, 2050 |
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 | $1,342,673 (+2%) Land $691,183 Building $651,490 | |
| 2025 | $19,092.00 (+3.76%) Homeowner's exemption | $1,316,351 (+4.04%) Land $677,633 Building $638,718 |
| 2023 | $18,400.00 (+1.27%) Homeowner's exemption | $1,265,246 Land $651,325 Building $613,921 |
| 2022 | $18,169.00 |
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 X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| 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 | 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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