231 Princeton Ave, Mill Valley, CA 94941 Property Records

Marin County property record for 231 Princeton Ave, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 3,417 sqft · built 1950
Lot Size	0.719 acres (31,296 sqft)
Owner	2 Individual Names on Record
Last Sale	$5,150,000 (Sep 2025)
Tax Bill	$48,044 (2025)
Deeds & Mortgages	Nov 2025 Mortgage Sep 2025 Sale + 2 more
Flood Zone	Zone X (minimal risk)
APN	`051-121-59`

Property Details

APN / Parcel Number

Primary APN	`051-121-59`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Building Area	3,417 sqft Living Area
Basement Area	572 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1950
Effective Year Built	Effective 1985
Architectural Style	Contemporary
Lot Area	31,296 sqft (0.719 acres)
Garage Area	462 sqft
Parking Spaces	2 Parking Spaces
Deck Area	1,873 sqft
Patio Area	2,158 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	231 PRINCETON AVE
City	MILL VALLEY
State	CA
Zip	94941-4133
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Subdivision	MARIN TERRACE
Legal Block	213
Legal Lot Number	7,30
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	1
Census Block	1012
Census Tract	128100

Owner

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 Individual Names on Record
Mailing Address	585 CRESTLAKE DR, SAN FRANCISCO, CA 94132-1324
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Nov 26, 2025	Deed of Trust, Mortgage · Conventional Mortgage MORGAN STANLEY PRIVATE BANK NA
Sep 23, 2025	Grant Deed, Transfer FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY
Oct 12, 2022	Intrafamily Transfer, Transfer
Apr 26, 2021	Grant Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 23, 2025 · Amount on Record
Deed Sale	Sep 23, 2025 · Amount on Record
Prior Sale	Apr 26, 2021 · Amount on Record
Deed Document Number	202524488
Prior Transfer Date	Sep 23, 2022
Prior Transfer Doc	0000034731
Record Updated	Sep 20, 2026

November 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	231 PRINCETON AVE, MILL VALLEY, CA 94941-4133
Transaction Type	Mortgage
Record Updated	Dec 11, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	585 CRESTLAKE DR, SAN FRANCISCO, CA 94132-1324

Mortgage

Document Number	0000030600
Date	Nov 26, 2025
Instrument	2025-0030600

Lender

Name	MORGAN STANLEY PRIVATE BANK NA
Type	Bank
Address	CINCINNATI, OH 45245

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Dec 1, 2055

Interest

Rate Type	Adjustable Rate
Rate	5.6%
Type Change Date	Dec 1, 2032
Change Frequency	6 Months
Min Rate At Change	3%
Max Rate At Change	10.6%
Index	SOFR Average 30-Day
Margin	3
Max Rate	10.6%

September 2025: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Sep 23, 2025
Property Address	231 PRINCETON AVE, MILL VALLEY, CA 94941-4133
Document Number	0000024488
Map Reference	VOL 4 PG 44
Instrument Date	Sep 17, 2025
Instrument	2025-0024488
Transaction Type	Transfer
Record Updated	Oct 8, 2025
Title Company	FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount Recorded
Tax	$5,665.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	585 CRESTLAKE DR, SAN FRANCISCO, CA 94132-1324

October 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MARIN CA
Recording Date	Oct 12, 2022
Property Address	231 PRINCETON AVE, MILL VALLEY, CA 94941-4133
Document Number	0000034731
Map Reference	VOL 4 PG 44
Instrument Date	Sep 23, 2022
Instrument	2022-0034731
Transaction Type	Transfer
Record Updated	Jun 7, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	231 PRINCETON AVE, MILL VALLEY, CA 94941-4133

April 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Apr 26, 2021
Property Address	231 PRINCETON AVE, MILL VALLEY, CA 94941-4133
Document Number	0000027950
Map Reference	VOL 4 PG 44
Instrument Date	Apr 21, 2021
Instrument	2021-0027950
Transaction Type	Transfer
Record Updated	May 12, 2021
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount Recorded
Tax	$4,015.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	231 PRINCETON AVE, MILL VALLEY, CA 94941-4133

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		$5,150,000 (+30.35%) Land $3,100,000 Building $2,050,000
2025	$48,044.00 (+5.21%)	$3,950,833 (+4.04%) Land $2,164,840 Building $1,785,993
2023	$45,665.00 (+3.64%)	$3,797,460 Land $2,080,800 Building $1,716,660
2022	$44,063.00

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.

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