433 Wellesley Ave, Mill Valley, CA 94941 Property Records

Marin County property record for 433 Wellesley Ave, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,966 sqft · built 1983
Lot Size	0.344 acres (15,000 sqft)
Owner	2 Company Names on Record
Last Sale	$615,000 (Jan 2016)
Tax Bill	$28,533 (2025)
Deeds & Mortgages	Mar 2021 Mortgage Jan 2017 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`050-061-51`

Property Details

APN / Parcel Number

Primary APN	`050-061-51`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Building Area	2,966 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1983
Effective Year Built	Effective 1994
Architectural Style	Contemporary
Lot Area	15,000 sqft (0.344 acres)
Garage Area	484 sqft
Parking Spaces	2 Parking Spaces
Deck Area	555 sqft
Patio Area	555 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	433 WELLESLEY AVE
City	MILL VALLEY
State	CA
Zip	94941-3713
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	MAP E6 606
Legal Subdivision	WELLESLEY AVE
Legal Lot Number	7
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	1
Census Block	1000
Census Tract	128100

Owner

Source: Marin County records, 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 Company Names on Record
Mailing Address	433 WELLESLEY AVE, MILL VALLEY, CA 94941-3713
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Date	Document
Mar 3, 2021	Deed of Trust, Mortgage · Conventional Mortgage CROSSCOUNTRY MORTGAGE LLC
Jan 10, 2017	Deed of Trust, Mortgage · ARM WELLS FARGO BANK NA
May 26, 2017	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jan 27, 2016 · Amount on Record
Deed Sale	Jan 27, 2016 · Amount on Record
Prior Sale	Nov 17, 2009 · Amount on Record
Deed Document Number	20163530
Last Transfer Date	Mar 7, 2017
Transfer Doc	0000021220
Record Updated	Oct 29, 2026

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	433 WELLESLEY AVE, MILL VALLEY, CA 94941-3713
Transaction Type	Mortgage
Record Updated	Mar 17, 2021
Title Company	BOSTON NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	433 WELLESLEY AVE, MILL VALLEY, CA 94941-3713

Mortgage

Document Number	0000014717
Date	Mar 3, 2021
Instrument	2021-0014717

Lender

Name	CROSSCOUNTRY MORTGAGE LLC
Type	Mortgage Company
Address	BRECKSVILLE, OH 44141

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Mar 1, 2051

January 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	433 WELLESLEY AVE, MILL VALLEY, CA 94941-3713
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000001325
Date	Jan 10, 2017
Instrument	2017-0001325

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2047

Interest

Rate Type	Adjustable Rate
Rate	3.25%
Type Change Date	Feb 1, 2027
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	5.25%
Index	1-Year LIBOR
Max Rate	8.25%

May 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MARIN CA
Recording Date	May 26, 2017
Property Address	433 WELLESLEY AVE, MILL VALLEY, CA 94941-3713
Document Number	0000021220
Instrument Date	Mar 7, 2017
Instrument	21220
Transaction Type	Transfer
Record Updated	Jun 6, 2017
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	433 WELLESLEY AVE MILL VALLEY CA 949413713, MILL VALLEY, CA 94941-3713

Tax Assessment & Valuation

Source: Marin County assessment roll, as of July 13, 2026

Property Jurisdictions

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)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$2,040,637 (+2%) Land $1,250,713 Building $789,924
2025	$28,533.00 (+3.99%) Homeowner's exemption	$2,000,631 (+4.04%) Land $1,226,193 Building $774,438
2023	$27,439.00 (+3.52%) Homeowner's exemption	$1,922,961 Land $1,178,589 Building $744,372
2022	$26,505.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

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

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	0.02% annual chance
Exposure	Direct burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

Source: FCC Broadband Data Collection, based on 496 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250

May also be available: T-Mobile, Unwired, Verizon.

Cell Coverage

5G and 4G LTE (outdoors only)

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