25 Nelson Ave, Mill Valley, CA 94941 Property Records

Marin County property record for 25 Nelson Ave, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,056 sqft · built 1951
Lot Size	0.144 acres (6,250 sqft)
Owner	2 Company Names on Record
Last Sale	$310,000 (May 1995)
Tax Bill	$33,084 (2025)
Deeds & Mortgages	Oct 2020 Sale & Mortgage Mar 2017 Transfer
Flood Zone	Zone X (minimal risk)
APN	`030-061-11`

Property Details

APN / Parcel Number

Primary APN	`030-061-11`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Building Area	1,056 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1951
Effective Year Built	Effective 1990
Architectural Style	Contemporary
Lot Area	6,250 sqft (0.144 acres)
Garage Area	300 sqft
Parking Spaces	1 Parking Space
Deck Area	160 sqft
Patio Area	160 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	25 NELSON AVE
City	MILL VALLEY
State	CA
Zip	94941-2119
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	MAP F4 606
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	2
Census Block	2011
Census Tract	126100

Owner

Source: Marin County records, as of August 27, 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	223 ELM AVE, MILL VALLEY, CA 94941-2129
Owner Type	Company
Vesting	Trust, Living Trust

Deeds, Mortgages & Sale History

Date	Document
Oct 27, 2020	Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA
Mar 20, 2017	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 12, 1995 · Amount on Record
Deed Sale	May 12, 1995 · Amount on Record
Deed Document Number	199521891
Last Transfer Date	Nov 2, 2023
Transfer Doc	0000033210
Record Updated	Oct 29, 2026

October 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Oct 27, 2020
Property Address	25 NELSON AVE, MILL VALLEY, CA 94941-2119
Document Number	0000052768
Instrument Date	Oct 22, 2020
Instrument	2020-0052768
Transaction Type	Transfer
Record Updated	Aug 13, 2021
Title Company	FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,765.50
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	223 ELM AVE, MILL VALLEY, CA 94941-2129

Mortgage

Document Number	0000052769
Date	Oct 27, 2020
Instrument	2020-0052769

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

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

Interest

Rate Type	Adjustable Rate
Rate	2.87%
Type Change Date	Nov 1, 2027
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	4.87%
Index	1-Year LIBOR
Max Rate	7.87%

March 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MARIN CA
Recording Date	Mar 20, 2017
Property Address	25 NELSON AVE, MILL VALLEY, CA 94941-2119
Document Number	0000011476
Instrument Date	Mar 17, 2017
Instrument	11476
Transaction Type	Transfer
Record Updated	Mar 29, 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	4080 PARADISE DR BELVEDERE TIBURON CA 949201120, BELVEDERE TIBURON, CA 94920-1120

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		$2,626,281 (+2%) Land $1,076,458 Building $1,549,823
2025	$33,084.00 (+18.22%)	$2,574,805 (+16.52%) Land $1,055,359 Building $1,519,446
2023	$27,984.00 (+28.97%)	$2,209,842 Land $1,014,390 Building $1,195,452
2022	$21,698.00

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
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 123 individual policies
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	147 units insured incl. 24 condo units
Nearby Flood Claims	81 (1979–2026)
Claims Outside the SFHA	8 of 81
Most Recent Claim	Apr 2026 · rainfall accumulation
Claims by Event	Severe Storms, Flooding, Mudslides, And Landslides, Jan 2006 · 33 claims Coastal Storms, Floods, Slides & Tornadoes, Jan 1983 · 3 claims Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 15 claims

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	Indirect within 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 825 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20

May also be available: Etheric Networks, T-Mobile.

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