21 Forrest St, Mill Valley, CA 94941 Property Records

Marin County property record for 21 Forrest St, Mill Valley, CA 94941

Property Summary

Property TypeSingle Family Home
Details2 bd · 2.5 ba · 1,169 sqft · built 1912
Lot Size0.07 acres (3,060 sqft)
Owner2 Company Names on Record
Last Sale$915,000 (Feb 2005)
Tax Bill$17,936 (2025)
Deeds & MortgagesAug 2020 Mortgage
Flood ZoneZone X (minimal risk)
APN028-065-08

Property Details

APN / Parcel Number

Primary APN028-065-08

Interior

Bedrooms2 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Building Area1,169 sqft Living Area

Exterior

Year BuiltBuilt 1912
Effective Year BuiltEffective 1953
Architectural StyleContemporary
Lot Area3,060 sqft (0.07 acres)
Garage Area612 sqft
Parking Spaces2 Parking Spaces
Deck Area300 sqft
Patio Area300 sqft

Utilities, Heating & Cooling

Heating SystemCentral

Location & Zoning

Street Address21 FORREST ST
CityMILL VALLEY
StateCA
Zip94941-2041
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionMAP D3 606
Legal SubdivisionLYON & HOAGS
Legal BlockB
Legal Lot Number12
JurisdictionMARIN CA
Township / Civil DivisionSOUTHEAST MARIN
Census Block Group1
Census Block1023
Census Tract127000

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 Address21 FORREST ST, MILL VALLEY, CA 94941-2041
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust, Living Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleFeb 4, 2005 · Amount on Record
Deed SaleFeb 4, 2005 · Amount on Record
Prior SaleMay 17, 2002 · Amount on Record
Deed Document Number20058737
Last Transfer DateSep 6, 2011
Transfer Doc0000047724
Record UpdatedSep 20, 2026

August 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionMARIN CA
Property Address21 FORREST ST, MILL VALLEY, CA 94941-2041
Transaction TypeMortgage
Record UpdatedFeb 5, 2021
Title CompanyFIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address21 FORREST ST, MILL VALLEY, CA 94941-2041

Mortgage

Document Number0000040101
DateAug 31, 2020
Instrument2020-0040101
Lender
NameFIRST REPUBLIC BANK
TypeBank
AddressSAN FRANCISCO, CA 94111
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueSep 1, 2050

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountyMarin County
MunicipalityMill Valley City
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$1,300,809 (+2%) Land $732,149 Building $568,660
2025$17,936.00 (+4.11%) Homeowner's exemption$1,275,308 (+4.04%) Land $717,796 Building $557,512
2023$17,228.00 (+3.1%) Homeowner's exemption$1,225,798 Land $689,930 Building $535,868
2022$16,710.00

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 ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 21 policies
Nearby Flood Policies21 in force
Nearby Flood Claims14 (1979–2005)
Claims Outside the SFHA5 of 14
Most Recent ClaimDec 2005 · Severe Storms, Flooding, Mudslides, And Landslides
Claims by Event
  • Severe Storms, Flooding, Mudslides, And Landslides, Dec 2005 · 5 claims
  • Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 4 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 RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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 762 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · Fixed Wireless in parts of the area
5,000 / 5,000
Xfinity
Cable
2,000 / 250
Unwired
Fixed Wireless
300 / 25
Verizon
Fixed Wireless
300 / 20
T-Mobile
Fixed Wireless
100 / 20

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