Marin County property record for 450 Wellesley Ave, Mill Valley, CA 94941
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,400 sqft · built 1972 |
| Lot Size | 0.184 acres (8,000 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $360,000 (Feb 1996) |
| Tax Bill | $13,272 (2025) |
| Deeds & Mortgages | Mar 2022 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 050-052-33 |
| Primary APN | 050-052-33 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Building Area | 2,400 sqft Living Area |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Contemporary |
| Lot Area | 8,000 sqft (0.184 acres) |
| Garage Area | 480 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 832 sqft |
| Patio Area | 832 sqft |
| Heating System | Central |
|---|
| Street Address | 450 WELLESLEY AVE |
|---|---|
| City | MILL VALLEY |
| State | CA |
| Zip | 94941-3786 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | L3 /B4P16 PM |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 128100 |
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 | 450 WELLESLEY AVE, MILL VALLEY, CA 94941-3786 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Borrower in Default |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 22, 1996 · Amount on Record |
| Deed Sale | Feb 22, 1996 · Amount on Record |
| Deed Document Number | 19968316 |
| Last Transfer Date | Feb 23, 1996 |
| Transfer Doc | 0000008889 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Mar 8, 2022 |
| Property Address | 450 WELLESLEY AVE, MILL VALLEY, CA 94941-3786 |
| Document Number | 0000008830 |
| Map Reference | MB 4 PG 16 |
| Instrument Date | Mar 3, 2022 |
| Instrument | 2022-0008830 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Title Company | ACCOMMODATION |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 450 WELLESLEY AVE, MILL VALLEY, CA 94941-3786 |
| Document Number | 0000008831 |
|---|---|
| Date | Mar 8, 2022 |
| Instrument | 2022-0008831 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Apr 1, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.75% |
| Type Change Date | Apr 1, 2032 |
| Change Frequency | 6 Months |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 7.75% |
| Index | Other |
| Max Rate | 7.75% |
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 | $788,434 (+2%) Land $288,039 Building $500,395 | |
| 2025 | $13,272.00 (+11.26%) Homeowner's exemption | $772,976 (+4.04%) Land $282,392 Building $490,584 |
| 2023 | $11,929.00 (+2.51%) Homeowner's exemption | $742,963 Land $271,427 Building $471,536 |
| 2022 | $11,637.00 |
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 |
|---|---|
| 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.
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 707 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: T-Mobile, Verizon.
5G and 4G LTE (outdoors only)
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