Marin County property record for 333 Richardson Way, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,674 sqft · built 1940 |
| Lot Size | 0.23 acres (10,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $2,887,000 (Feb 2026) |
| Tax Bill | $5,412 (2025) |
| Deeds & Mortgages | Feb 2026 Sale & Mortgage Jan 2022 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 049-171-09 |
| Primary APN | 049-171-09 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Building Area | 1,674 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1948 |
| Architectural Style | Contemporary |
| Lot Area | 10,000 sqft (0.23 acres) |
| Garage Area | 315 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 117 sqft |
| Patio Area | 117 sqft |
| Street Address | 333 RICHARDSON WAY |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-4070 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Subdivision | TAMALPAIS VLY 01 |
| Legal Block | A |
| Legal Lot Number | 6 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 3 |
| Census Block | 3008 |
| Census Tract | 128100 |
333 Richardson Way is owned and occupied by two individuals who bought it in February 2026.
Source: Marin County records, as of July 13, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 333 RICHARDSON WAY, MILL VALLEY, CA 94941-4070 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
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 |
|---|---|
| Feb 24, 2026 | Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA |
| Jan 19, 2022 | Intrafamily Transfer, Transfer |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 24, 2026 · Amount on File |
| Deed Sale | Feb 24, 2026 · Amount on File |
| Prior Sale | Jul 22, 2025 · Amount on File |
| Deed Document Number | 20264216 |
| Transfer Doc | 0000002278 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Feb 24, 2026 |
| Property Address | 333 RICHARDSON WAY, MILL VALLEY, CA 94941-4070 |
| Document Number | 0000004216 |
| Instrument Date | Feb 19, 2026 |
| Instrument | 2026-0004216 |
| Transaction Type | Transfer |
| Record Updated | Mar 12, 2026 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $3,175.70 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 333 RICHARDSON WAY, MILL VALLEY, CA 94941-4070 |
| Document Number | 0000004217 |
|---|---|
| Date | Feb 24, 2026 |
| Instrument | 2026-0004217 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Mar 1, 2056 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 5.37% |
| Type Change Date | Mar 1, 2033 |
| Change Frequency | 6 Months |
| Min Rate At Change | 3.37% |
| Max Rate At Change | 7.37% |
| Index | SOFR Average 30-Day |
| Max Rate | 10.3% |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Jan 19, 2022 |
| Property Address | 333 RICHARDSON WAY, MILL VALLEY, CA 94941-4070 |
| Document Number | 0000002279 |
| Instrument Date | Jan 12, 2022 |
| Instrument | 2022-0002279 |
| Transaction Type | Transfer |
| Record Updated | Feb 1, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 333 RICHARDSON WAY, MILL VALLEY, CA 94941-4070 |
The 2025 property tax bill for 333 Richardson Way was $5,412.
Source: Marin County assessment roll, as of July 13, 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) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,468,500 (+1,126.45%) Land $850,000 Building $618,500 | |
| 2025 | $5,412.00 Homeowner's exemption | $119,736 Land $42,904 Building $76,832 |
| 2023 | $5,305.00 (+7.78%) Homeowner's exemption | $115,087 Land $41,238 Building $73,849 |
| 2022 | $4,922.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 333 Richardson Way 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 |
| Flood Insurance Cost | Premium on File 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 |
|
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 333 Richardson Way is low, with a 0.05% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| 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 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 436 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Unwired, Verizon.
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