320 Ross Dr, Mill Valley, CA 94941 Property Records

Marin County property record for 320 Ross Dr, Mill Valley, CA 94941 · Last verified July 2026

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,980 sqft · built 1950
Lot Size0.172 acres (7,500 sqft)
Owner2 Company Names on File
Last Sale$1,250,000 (Aug 2014)
Tax Bill$24,448 (2025)
Deeds & MortgagesDec 2025 Line of Credit
Jun 2020 Mortgage
Flood ZoneZone AE (high risk)
APN052-012-05

Property Details

APN / Parcel Number

Primary APN052-012-05

Interior

Bedrooms3 Beds
Full Baths2 Baths
Building Area1,980 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1950
Effective Year BuiltEffective 1986
Architectural StyleContemporary
Lot Area7,500 sqft (0.172 acres)
Garage Area300 sqft
Parking Spaces1 Parking Space
Deck Area723 sqft
Patio Area723 sqft

Utilities, Heating & Cooling

Heating SystemCentral

Location & Zoning

Street Address320 ROSS DR
CityMILL VALLEY
StateCA
Zip94941-3811
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 41
Legal SubdivisionKAY PARK 02
Legal Lot Number41
JurisdictionMARIN CA
Township / Civil DivisionSOUTHEAST MARIN
Census Block Group3
Census Block3025
Census Tract128100

Owner

Source: Marin County records · APN 052-012-05

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 Record2 Company Names on File
Mailing Address320 ROSS DR, MILL VALLEY, CA 94941-3811
OccupancyOwner Occupied
Owner TypeCompany
VestingBorrower in Default

Deeds, Mortgages & Sale History

DateDocument
Dec 09, 2025Deed of Trust, Mortgage · Line of Credit
REDWOOD CU
Jun 12, 2020Deed of Trust, Mortgage · Conventional Mortgage
WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleAug 29, 2014 · Amount on Record
Deed SaleAug 29, 2014 · Amount on Record
Deed Document Number201436229
Record UpdatedSep 20, 2026

December 2025: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionMARIN CA
Property Address320 ROSS DR, MILL VALLEY, CA 94941-3811
Transaction TypeMortgage
Record UpdatedDec 26, 2025

Transferred To (Grantee/Buyer)

NameVerified Name
Address320 ROSS DR, MILL VALLEY, CA 94941-3811

Mortgage

Document Number0000031635
DateDec 09, 2025
Instrument2025-0031635
Lender
NameREDWOOD CU
TypeCredit Union
AddressSANTA ROSA, CA 95403
Agreement
TypeLine of Credit
AmountAmount Recorded
Term300 Months
DueDec 15, 2050

June 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionMARIN CA
Property Address320 ROSS DR, MILL VALLEY, CA 94941-3811
Transaction TypeMortgage
Record UpdatedFeb 05, 2021
Title CompanyOLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000024203
DateJun 12, 2020
Instrument2020-0024203
Lender
NameWELLS FARGO BANK NA
TypeBank
AddressSIOUX FALLS, SD 57104
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueJul 01, 2050
Interest
Rate TypeAdjustable Rate
Rate3.25%
Type Change DateJul 01, 2030
Change FrequencyAnnually
Min Rate At Change2.25%
Max Rate At Change5.25%
Index1-Year LIBOR
Max Rate8.25%

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountyMarin County
Elementary School DistrictMill Valley Elementary School District (KG - 08)
Secondary School DistrictTamalpais 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.

YearTax BillAssessed Value
2026$1,586,738 (+2%) Land $1,103,256 Building $483,482
2025$24,448.00 (+6.7%)$1,555,633 (+4.04%) Land $1,081,629 Building $474,004
2023$22,913.00 (+2.36%)$1,495,236 Land $1,039,635 Building $455,601
2022$22,384.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Marin County (06041C), updated October 18, 2023 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone AE
Flood HazardHigh
100-Year FloodplainYes
1% annual chance
Special Flood Hazard AreaYes
Flood Insurance RequirementRequired (federally backed mortgages)
FloodwayYes
Base Flood ElevationVaries along the reach; see FIRM

Wildfire

Wildfire RiskLow
above 35% of the US · above 21% of California
Wildfire LikelihoodAbout 1 in 2,041 per year
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

Values are read at the parcel center point; lenders make the official flood determination.

Nearby Properties on Ross Dr

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