525 Summit Ave, Mill Valley, CA 94941 Property Records

Marin County property record for 525 Summit Ave, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	4 bd · 4 ba · 3,482 sqft · built 1935
Lot Size	0.531 acres (23,111 sqft)
Owner	2 Company Names on Record
Last Sale	$2,950,000 (Jan 2019)
Tax Bill	$44,442 (2025)
Deeds & Mortgages	Nov 2021 Mortgage Mar 2021 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`027-112-02`

Property Details

APN / Parcel Number

Primary APN	`027-112-02`

Interior

Bedrooms	4 Beds
Full Baths	4 Baths
Building Area	3,482 sqft Living Area
Basement Area	120 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1935
Effective Year Built	Effective 2008
Architectural Style	Contemporary
Lot Area	23,111 sqft (0.531 acres)
Garage Area	368 sqft
Parking Spaces	1 Parking Space
Deck Area	609 sqft
Patio Area	609 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	525 SUMMIT AVE
City	MILL VALLEY
State	CA
Zip	94941-1032
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Subdivision	TAMALPAIS LAND & WATER CO MAP
Legal Lot Number	355
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	4
Census Block	4000
Census Tract	127000

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	525 SUMMIT AVE, MILL VALLEY, CA 94941-1032
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Date	Document
Nov 23, 2021	Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA
Mar 16, 2021	Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA
Apr 2, 2020	Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA
Jan 7, 2019	Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jan 7, 2019 · Amount on Record
Deed Sale	Jan 7, 2019 · Amount on Record
Prior Sale	Jul 16, 1997 · Amount on Record
Deed Document Number	2019493
Prior Transfer Date	Nov 11, 1997
Prior Transfer Doc	0000072267
Record Updated	Oct 29, 2026

November 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	525 SUMMIT AVE, MILL VALLEY, CA 94941-1032
Transaction Type	Mortgage
Record Updated	Dec 8, 2021
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	525 SUMMIT AVE, MILL VALLEY, CA 94941-1032

Mortgage

Document Number	0000069850
Date	Nov 23, 2021
Instrument	2021-0069850

Lender

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

Agreement

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

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	525 SUMMIT AVE, MILL VALLEY, CA 94941-1032
Transaction Type	Mortgage
Record Updated	Apr 1, 2021
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	525 SUMMIT AVE, MILL VALLEY, CA 94941-1032

Mortgage

Document Number	0000018045
Date	Mar 16, 2021
Instrument	2021-0018045

Lender

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

Agreement

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

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	525 SUMMIT AVE, MILL VALLEY, CA 94941-1032
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000013226
Date	Apr 2, 2020
Instrument	2020-0013226

Lender

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

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	May 1, 2050

January 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Jan 7, 2019
Property Address	525 SUMMIT AVE, MILL VALLEY, CA 94941-1032
Document Number	0000000493
Instrument Date	Jan 2, 2019
Instrument	2019-0000493
Transaction Type	Transfer
Record Updated	Aug 13, 2021
Title Company	FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	525 SUMMIT AVE, MILL VALLEY, CA 94941-1032

Mortgage

Document Number	0000000494
Date	Jan 7, 2019
Instrument	2019-0000494

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2049

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Marin County
Municipality	Mill Valley City
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		$3,597,717 (+2%) Land $2,161,839 Building $1,435,878
2025	$44,442.00 (+4.24%)	$3,527,176 (+4.04%) Land $2,119,450 Building $1,407,726
2023	$42,636.00 (+6.19%)	$3,390,232 Land $2,037,161 Building $1,353,071
2022	$40,149.00

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
Flood Insurance Cost	Premium on Record median of 10 policies
Nearby Flood Policies	10 in force
Nearby Flood Claims	2 (2005–2007)
Claims Outside the SFHA	1 of 2
Most Recent Claim	May 2007 · other causes

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	Moderate above 40% of the US · lower than 76% of California
Wildfire Likelihood	0.06% 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 313 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25

Cell Coverage

5G (outdoors only) and 4G LTE

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