Marin County property record for 490 Wellesley Ave, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 1,601 sqft · built 1968 |
| Lot Size | 0.196 acres (8,550 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $6,301 (2025) |
| Deeds & Mortgages | Aug 2018 Transfer Aug 2018 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 051-062-41 |
| Primary APN | 051-062-41 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Building Area | 1,601 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1968 |
|---|---|
| Effective Year Built | Effective 1981 |
| Architectural Style | Contemporary |
| Lot Area | 8,550 sqft (0.196 acres) |
| Garage Area | 300 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 426 sqft |
| Patio Area | 426 sqft |
| Heating System | Central |
|---|
| Street Address | 490 WELLESLEY AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-3578 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | OFFICIAL RECS 4 PG 44 BLK 211 PART OF LOT 12,13 |
| Legal Subdivision | MARIN TERRACE |
| Legal Block | 211 |
| Legal Lot Number | 12,13 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 128100 |
490 Wellesley Ave is owned by a company that acquired it in July 2018 and is owner-occupied.
Source: Marin County records, as of July 13, 2026
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 490 WELLESLEY AVE, MILL VALLEY, CA 94941-3578 |
| 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 |
|---|---|
| Aug 6, 2018 | Quit Claim Deed, Transfer Quitclaim |
| Aug 6, 2018 | Affidavit of Death, Transfer ATTORNEY ONLY |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jul 29, 2018 |
| Transfer Doc | 0000027735 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Aug 6, 2018 |
| Property Address | 490 WELLESLEY AVE, MILL VALLEY, CA 94941-3578 |
| Document Number | 0000027735 |
| Instrument Date | Jul 24, 2018 |
| Instrument | 27735 |
| Transaction Type | Transfer |
| Record Updated | Aug 15, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 490 WELLESLEY AVE MILL VALLEY CA 949413578, MILL VALLEY, CA 94941-3578 |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Aug 6, 2018 |
| Property Address | 490 WELLESLEY AVE, MILL VALLEY, CA 94941-3578 |
| Document Number | 0000027734 |
| Instrument Date | Jul 24, 2018 |
| Instrument | 27734 |
| Transaction Type | Transfer |
| Record Updated | Aug 15, 2018 |
| Title Company | ATTORNEY ONLY |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 490 WELLESLEY AVE MILL VALLEY CA 949413578, MILL VALLEY, CA 94941-3578 |
The 2025 property tax bill for 490 Wellesley Ave was $6,301 with a homeowner's exemption.
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 | $439,734 (+2%) Land $181,002 Building $258,732 | |
| 2025 | $6,301.00 Homeowner's exemption | $431,113 Land $177,454 Building $253,659 |
| 2023 | $6,009.00 (+2.91%) Homeowner's exemption | $414,376 Land $170,565 Building $243,811 |
| 2022 | $5,839.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 490 Wellesley Ave in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 1982.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 4 in force |
| Nearby Flood Claims | 4 (1982–1998) |
| Claims Outside the SFHA | 4 of 4 |
| Most Recent Claim | Apr 1998 · Severe Winter Storms And Flooding |
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 490 Wellesley 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 | None beyond ember reach |
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 589 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Verizon.
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