403 Marin Ave, Mill Valley, CA 94941 Property Records

Marin County property record for 403 Marin Ave, Mill Valley, CA 94941

Property Summary

Property TypeSingle Family Home
Lot Size0.354 acres (15,400 sqft)
Owner2 Company Names on Record
Last Sale$1,385,000 (May 2017)
Tax Bill$6,475 (2025)
Deeds & MortgagesMay 2017 Sale & Mortgage
Feb 2017 Transfer
Flood ZoneZone X (minimal risk)
APN049-151-04

Property Details

APN / Parcel Number

Primary APN049-151-04

Exterior

Lot Area15,400 sqft (0.354 acres)

Location & Zoning

Street Address403 MARIN AVE
CityMILL VALLEY
StateCA
Zip94941-4081
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal SubdivisionTAMALPAIS VLY 01
Legal BlockB
Legal Lot Number6,7
JurisdictionMARIN CA
Township / Civil DivisionSOUTHEAST MARIN
Census Block Group3
Census Block3008
Census Tract128100

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 Record2 Company Names on Record
Mailing Address405 MARIN AVE, MILL VALLEY, CA 94941-4081
Owner TypeCompany
VestingBorrower in Default

Deeds, Mortgages & Sale History

DateDocument
May 19, 2017Deed, Transfer · Conventional Mortgage
WELLS FARGO BANK NA
Feb 10, 2017Affidavit of Death, Transfer

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMay 19, 2017 · Amount on Record
Deed SaleMay 19, 2017 · Amount on Record
Deed Document Number201720191
Prior Transfer DateJun 15, 2005
Prior Transfer Doc0000046709
Record UpdatedSep 20, 2026

May 2017: Deed, Transfer

Document TypeDeed
JurisdictionMARIN CA
Recording DateMay 19, 2017
Property Address405 MARIN AVE, MILL VALLEY, CA 94941-4081
Document Number0000020191
Instrument DateMay 11, 2017
Instrument2017-0020191
Transaction TypeTransfer
Record UpdatedJul 21, 2022
Title CompanyOLD REPUBLIC TITLE CO

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length
  • Multiple Parcels

Transferred From (Grantor/Seller)

NameVerified Name
Address00000

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property
Address405 MARVIN AVE, MILL VALLEY, CA 94941-4081

Mortgage

Document Number0000020192
DateMay 19, 2017
Instrument2017-0020192
Lender
NameWELLS FARGO BANK NA
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueJun 1, 2047

February 2017: Affidavit of Death, Transfer

Document TypeAffidavit of Death
JurisdictionMARIN CA
Recording DateFeb 10, 2017
Property Address405 MARIN AVE, MILL VALLEY, CA 94941-4081
Document Number0000005880
Instrument DateFeb 6, 2017
Instrument5880
Transaction TypeTransfer
Record UpdatedFeb 21, 2017

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address9708 MAGELLAN DR LOOMIS CA 956509736, LOOMIS, CA 95650-9736

Tax Assessment & Valuation

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

YearTax BillAssessed Value
2026$725,131 (+108.27%) Land $355,131 Building $370,000
2025$6,475.00 (+6.72%)$348,168 (+4.04%) Land $348,168
2023$6,067.00 (+3.67%)$334,650 Land $334,650
2022$5,852.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

Source: FEMA National Flood Hazard Layer, effective October 18, 2023 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 88 policies
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies88 in force
Nearby Flood Claims120 (1978–2026)
Claims Outside the SFHA13 of 120
Most Recent ClaimJan 2026 · other causes
Claims by Event
  • Severe Storms, Flooding, Mudslides, And Landslides, Jan 2006 · 5 claims
  • Coastal Storms, Floods, Slides & Tornadoes, Feb 1983 · 6 claims
  • Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 29 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 RiskModerate
above 51% of the US · lower than 70% of California
Wildfire Likelihood0.1% annual chance
ExposureDirect
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 SystemMARIN MUNICIPAL WATER DISTRICT
serves 188,116 people · EPA ID CA2110002
Water SourceSurface water
Last State InspectionAug 2023
LeadUnder 1 ppb (2019–2021)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 436 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 250
T-Mobile
Fixed Wireless
100 / 20
AT&T
DSL · Fiber in parts of the area
100 / 20

May also be available: Unwired, Verizon.

Nearby Properties on Marin Ave

Nearby Streets

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