437 Wellesley Ave, Mill Valley, CA 94941 Property Records

Marin County property record for 437 Wellesley Ave, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	5 bd · 4.5 ba · 3,150 sqft · built 1985
Lot Size	0.494 acres (21,500 sqft)
Owner	2 Company Names on Record
Last Sale	$2,550,000 (Dec 2020)
Tax Bill	$39,724 (2025)
Deeds & Mortgages	Dec 2020 Sale & Mortgage Dec 2017 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`050-061-49`

Property Details

APN / Parcel Number

Primary APN	`050-061-49`

Interior

Bedrooms	5 Beds
Full Baths	4.5 Baths
Half Baths	1 Half Bath
Building Area	3,150 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1985
Effective Year Built	Effective 2008
Architectural Style	Contemporary
Lot Area	21,500 sqft (0.494 acres)
Garage Area	547 sqft
Parking Spaces	2 Parking Spaces
Deck Area	934 sqft
Patio Area	1,042 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	437 WELLESLEY AVE
City	MILL VALLEY
State	CA
Zip	94941-4103
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	MAP 18 PG 25 LOT 5
Legal Subdivision	WELLESLEY AVE SUB
Legal Lot Number	5
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	437 WELLESLEY AVE, MILL VALLEY, CA 94941-4103
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Date	Document
Dec 3, 2020	Grant Deed, Transfer · Conventional Mortgage FIRST REPUBLIC BANK
Dec 23, 2017	Deed of Trust, Mortgage BANK OF AMERICA
Jan 9, 2018	Quit Claim Deed, Transfer TITLE RSRC GROUP, TRG
Jan 10, 2018	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 3, 2020 · Amount on Record
Deed Sale	Dec 3, 2020 · Amount on Record
Prior Sale	Dec 18, 2013 · Amount on Record
Deed Document Number	202061390
Prior Transfer Date	Jan 2, 2018
Prior Transfer Doc	0000000607
Record Updated	Oct 29, 2026

December 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Dec 3, 2020
Property Address	437 WELLESLEY AVE, MILL VALLEY, CA 94941-4103
Document Number	0000061390
Map Reference	VOL 18 PG 25
Instrument Date	Nov 25, 2020
Instrument	2020-0061390
Transaction Type	Transfer
Record Updated	Aug 13, 2021
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$2,805.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	437 WELLESLEY AVE, MILL VALLEY, CA 94941-4103

Mortgage

Document Number	0000061391
Date	Dec 3, 2020
Instrument	2020-0061391

Lender

Name	FIRST REPUBLIC BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Dec 1, 2050

December 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	437 WELLESLEY AVE, MILL VALLEY, CA 94941-4103
Document Number	0000000534
Instrument Date	Dec 23, 2017
Transaction Type	Mortgage
Record Updated	Aug 30, 2018
Title Company	TITLE RESOURCES GUARANTY COMPANY, TITLE RESOURCES GUARANTY CO.

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	437 WELLESLEY AVE MILL VALLEY CA 949414103, MILL VALLEY, CA 94941-4103

Mortgage

Document Number	0000000534
Date	Jan 9, 2018
Instrument	534

Lender

Name	BANK OF AMERICA
Type	Bank
Address	101 S TRYON ST, CHARLOTTE, NC 28280-0002

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Jan 8, 2048

January 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MARIN CA
Recording Date	Jan 9, 2018
Property Address	437 WELLESLEY AVE, MILL VALLEY, CA 94941-4103
Document Number	0000000533
Instrument Date	Dec 23, 2017
Instrument	533
Transaction Type	Transfer
Record Updated	Nov 20, 2018
Title Company	TITLE RSRC GROUP, TRG

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	437 WELLESLEY AVE MILL VALLEY CA 949414103, MILL VALLEY, CA 94941-4103

January 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MARIN CA
Recording Date	Jan 10, 2018
Property Address	437 WELLESLEY AVE, MILL VALLEY, CA 94941-4103
Document Number	0000000607
Instrument Date	Dec 15, 2017
Instrument	607
Transaction Type	Transfer
Record Updated	Jan 23, 2018
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	437 WELLESLEY AVE MILL VALLEY CA 949414103, MILL VALLEY, CA 94941-4103

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		$2,815,353 (+2%) Land $1,656,090 Building $1,159,263
2025	$39,724.00 (+6.05%) Homeowner's exemption	$2,760,171 (+4.04%) Land $1,623,630 Building $1,136,541
2023	$37,457.00 (+3.66%) Homeowner's exemption	$2,653,020 Land $1,560,600 Building $1,092,420
2022	$36,133.00

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)

Nearby Properties on Wellesley Ave

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures