55 Nelson Ave, Mill Valley, CA 94941 Property Records

Marin County property record for 55 Nelson Ave, Mill Valley, CA 94941 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	2 bd · 1.5 ba · 1,274 sqft · built 1959
Lot Size	0.138 acres (6,000 sqft)
Owner	2 Company Names on File
Tax Bill	$11,169 (2025)
Deeds & Mortgages	Jan 2020 Mortgage
Flood Zone	Zone AE (high risk)
APN	`030-042-05`

Property Details

APN / Parcel Number

Primary APN	`030-042-05`

Interior

Bedrooms	2 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Building Area	1,274 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1959
Effective Year Built	Effective 1959
Architectural Style	Contemporary
Lot Area	6,000 sqft (0.138 acres)
Garage Area	396 sqft
Parking Spaces	1 Parking Space
Deck Area	162 sqft
Patio Area	162 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	55 NELSON AVE
City	MILL VALLEY
State	CA
Zip	94941-2119
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 87
Legal Subdivision	EL CERRITO 02
Legal Lot Number	87
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	2
Census Block	2011
Census Tract	126100

Owner

Source: Marin County records · APN 030-042-05

Assessment roll updated July 13, 2026 · Last verified July 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 File
Mailing Address	43 NELSON AVE, MILL VALLEY, CA 94941-2119
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Transfer Date	Jul 10, 2015
Transfer Doc	0000034909
Record Updated	Sep 20, 2026

January 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	55 NELSON AVE, MILL VALLEY, CA 94941-2119
Transaction Type	Mortgage
Record Updated	Feb 05, 2021
Title Company	OLD REPUBLIC TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000002335
Date	Jan 17, 2020
Instrument	2020-0002335

Lender

Name	FLAGSTAR BANK FSB
Type	Bank
Address	TROY, MI 48098

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jan 01, 2050

Tax Assessment & Valuation

Source: Marin County records · Assessment roll updated July 13, 2026 · Last verified July 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

Assessed value is set for property tax purposes and is not a market price estimate.

Year	Tax Bill	Assessed Value
2026		$684,002 (+2%) Land $333,858 Building $350,144
2025	$11,169.00 (+3.94%)	$670,592 (+4.04%) Land $327,313 Building $343,279
2023	$10,746.00 (+6.34%)	$644,556 Land $314,605 Building $329,951
2022	$10,105.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Marin County (06041C), updated October 18, 2023 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060411261002, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone AE
Special Flood Hazard Area	Yes
Flood Hazard	High
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	10.0 ft
Flood Insurance Requirement	Required (federally backed mortgages)
Flood Insurance Cost	Premium on Record median of 123 individual NFIP policies nearby
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	147 units insured (24 under condo master policies) 86 of 123 individual policies on primary residences
Nearby Flood Claims	81 (1979–2026)
Claims Outside the SFHA	8 of 81
Most Recent Claim	Apr 2026, rainfall accumulation
Flood Events	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

Wildfire

Wildfire Risk	Low above 20% of the US · above 11% of California
Wildfire Likelihood	About 1 in 10,000 per year
Exposure	Indirect within ember reach

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.