453 Wellesley Ave, Mill Valley, CA 94941 Property Records

Marin County property record for 453 Wellesley Ave, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	5 bd · 2.5 ba · 2,745 sqft · built 1962
Lot Size	0.381 acres (16,600 sqft)
Owner	Individual Name on Record
Last Sale	$1,900,000 (Sep 2021)
Tax Bill	$22,098 (2025)
Deeds & Mortgages	Oct 2021 Mortgage Sep 2021 Sale + 1 more
Flood Zone	Zone X (minimal risk)
APN	`050-043-66`

Property Details

APN / Parcel Number

Primary APN	`050-043-66`

Interior

Bedrooms	5 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Building Area	2,745 sqft Living Area
Basement Area	168 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1962
Effective Year Built	Effective 1967
Architectural Style	Contemporary
Lot Area	16,600 sqft (0.381 acres)
Deck Area	242 sqft
Patio Area	242 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	453 WELLESLEY AVE
City	MILL VALLEY
State	CA
Zip	94941-4103
Property Category	Residential
Property Type	Residential > Single Family > Home
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 August 11, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	453 WELLESLEY AVE, MILL VALLEY, CA 94941-4103
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Oct 29, 2021	Deed of Trust, Mortgage · Conventional Mortgage FLAGSTAR BANK FSB
Sep 10, 2021	Grant Deed, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY
Oct 13, 2020	Affidavit of Death, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Sep 10, 2021 · Amount on Record
Deed Sale	Sep 10, 2021 · Amount on Record
Deed Document Number	202156747
Prior Transfer Date	Jul 2, 1997
Prior Transfer Doc	0000037323
Record Updated	Oct 29, 2026

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	453 WELLESLEY AVE, MILL VALLEY, CA 94941-4103
Transaction Type	Mortgage
Record Updated	Nov 8, 2021
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	453 WELLESLEY AVE, MILL VALLEY, CA 94941-4103

Mortgage

Document Number	0000065873
Date	Oct 29, 2021
Instrument	2021-0065873

Lender

Name	FLAGSTAR BANK FSB
Type	Bank
Address	TROY, MI 48098

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2051

September 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Sep 10, 2021
Property Address	453 WELLESLEY AVE, MILL VALLEY, CA 94941-4103
Document Number	0000056747
Instrument Date	Aug 30, 2021
Instrument	2021-0056747
Transaction Type	Transfer
Record Updated	Sep 21, 2021
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount Recorded
Tax	$2,090.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	464 OLD QUARRY RD N, LARKSPUR, CA 94939-2228

October 2020: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	MARIN CA
Recording Date	Oct 13, 2020
Property Address	453 WELLESLEY AVE, MILL VALLEY, CA 94941-4103
Document Number	0000049369
Instrument Date	Oct 9, 2020
Instrument	49369
Transaction Type	Transfer
Record Updated	Oct 28, 2020
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	453 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		$1,664,199 (+2%) Land $1,193,200 Building $470,999
2025	$22,098.00 (+5.51%) Homeowner's exemption	$1,631,580 (+4.04%) Land $1,169,813 Building $461,767
2023	$20,943.00 (+10.7%) Homeowner's exemption	$1,568,241 Land $1,124,400 Building $443,841
2022	$18,919.00

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	0.01% annual chance
Exposure	None beyond ember reach

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

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 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.

Cell Coverage

5G and 4G LTE (outdoors only)

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