Marin County property record for 331 Richardson Way, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 1,667 sqft · built 1935 |
| Lot Size | 0.459 acres (20,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $202,000 (Feb 2026) |
| Tax Bill | $27,981 (2025) |
| Deeds & Mortgages | Feb 2026 Mortgage May 2023 Sale & Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 049-171-04 |
| Primary APN | 049-171-04 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 1,667 sqft Living Area |
| Year Built | Built 1935 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Contemporary |
| Lot Area | 20,000 sqft (0.459 acres) |
| Garage Area | 608 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 30 sqft |
| Patio Area | 45 sqft |
| Heating System | Floor/Wall Furnace |
|---|
| Street Address | 331 RICHARDSON WAY |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-4072 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MAP 2 PG 119 BLK A PART OF LOT 6 |
| Legal Subdivision | TAMALPAIS VLY SUB #1 |
| Legal Tract | 1 |
| Legal Lot Number | 6 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 3 |
| Census Block | 3008 |
| Census Tract | 128100 |
Source: Marin County records · APN 049-171-04
Assessment roll updated July 13, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 331 RICHARDSON WAY, MILL VALLEY, CA 94941-4072 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Tenants in Common |
| Date | Document |
|---|---|
| Feb 04, 2026 | Intrafamily Transfer, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| May 11, 2023 | Grant Deed, Transfer · Commercial Mortgage DRYDEN INVESTMENT FUND |
| Dec 20, 2022 | Trustee's Deed, Foreclosure |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Feb 04, 2026 · Amount on Record |
| Deed Sale | Feb 04, 2026 · Amount on Record |
| Prior Sale | Jan 23, 2025 · Amount on Record |
| Deed Document Number | 20262536 |
| Prior Transfer Date | Jul 03, 2006 |
| Prior Transfer Doc | 0000041942 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Feb 04, 2026 |
| Property Address | 331 RICHARDSON WAY, MILL VALLEY, CA 94941-4072 |
| Document Number | 0000002536 |
| Map Reference | VOL 2 PG 119 |
| Instrument Date | Jan 28, 2026 |
| Instrument | 2026-0002536 |
| Transaction Type | Transfer |
| Record Updated | Feb 18, 2026 |
| Title Company | CHICAGO TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Common |
| Address | 331 RICHARDSON WAY, MILL VALLEY, CA 94941-4072 |
| Document Number | 0000002537 |
|---|---|
| Date | Feb 04, 2026 |
| Instrument | 2026-0002537 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Mar 01, 2056 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | May 11, 2023 |
| Property Address | 331 RICHARDSON WAY, MILL VALLEY, CA 94941-4072 |
| Document Number | 0000012017 |
| Map Reference | VOL 2 PG 119 |
| Instrument Date | May 02, 2023 |
| Instrument | 2023-0012017 |
| Transaction Type | Transfer |
| Record Updated | May 25, 2023 |
| Title Company | CORNERSTONE TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,243.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1202 GRANT AVE STE B1, B1, NOVATO, CA 94945-3140 |
| Document Number | 0000012018 |
|---|---|
| Date | May 11, 2023 |
| Instrument | 2023-0012018 |
| Name | DRYDEN INVESTMENT FUND |
|---|---|
| Type | Non-Lending Institution |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 25 Months |
| Due | Jun 01, 2025 |
| Document Type | Trustee's Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Dec 20, 2022 |
| Property Address | 331 RICHARDSON WAY, MILL VALLEY, CA 94941-4072 |
| Document Number | 0000040599 |
| Map Reference | VOL 2 PG 119 |
| Instrument Date | Dec 19, 2022 |
| Instrument | 2022-0040599 |
| Transaction Type | Foreclosure |
| Record Updated | Jan 03, 2023 |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
Source: Marin County records · Assessment roll updated July 13, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| Elementary School District | Mill Valley Elementary School District (KG - 08) |
| Secondary School District | Tamalpais Union High School District (09 - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,759,500 (+0.97%) Land $1,045,500 Building $714,000 | |
| 2025 | $27,981.00 (+10.7%) | $1,742,670 (+12.43%) Land $1,040,400 Building $702,270 |
| 2023 | $25,276.00 (+18.47%) | $1,550,000 Land $1,000,000 Building $550,000 |
| 2022 | $21,335.00 |
Source: FEMA National Flood Hazard Layer as of October 18, 2023 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 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 |
| Flood Insurance Cost | Premium on Record median of 88 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 88 in force |
| Nearby Flood Claims | 120 (1978–2026) |
| Claims Outside the SFHA | 13 of 120 |
| Most Recent Claim | Jan 2026 · other causes |
| Claims by Event |
|
| Wildfire Risk | Low lower than 64% of the US · lower than 79% of California |
|---|---|
| Wildfire Likelihood | 0.05% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Unwired, Verizon.
Based on FCC filings for 436 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | MARIN MUNICIPAL WATER DISTRICT serves 188,116 people |
|---|---|
| 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
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