25 Cornwall St, Mill Valley, CA 94941 Property Records

Marin County property record for 25 Cornwall St, Mill Valley, CA 94941 · Last verified August 2026

Property Summary

Property TypeSingle Family Home
Details5 bd · 5.5 ba · 5,778 sqft · built 1903
Lot Size0.948 acres (41,280 sqft)
Owner2 Company Names on File
Last Sale$2,770,000 (Sep 2003)
Tax Bill$60,563 (2025)
Deeds & MortgagesDec 2021 Transfer
Dec 2021 Transfer
+ 5 more
Flood ZoneZone X (minimal risk)
APN027-212-22

Property Details

APN / Parcel Number

Primary APN027-212-22

Interior

Bedrooms5 Beds
Full Baths5.5 Baths
Half Baths1 Half Bath
Building Area5,778 sqft Living Area
Basement Area309 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1903
Effective Year BuiltEffective 1995
Architectural StyleContemporary
Lot Area41,280 sqft (0.948 acres)
Garage Area500 sqft
Parking Spaces2 Parking Spaces
Pool Area528 sqft
Deck Area4,191 sqft
Patio Area4,587 sqft

Utilities, Heating & Cooling

Heating SystemCentral

Location & Zoning

Street Address25 CORNWALL ST
CityMILL VALLEY
StateCA
Zip94941-1730
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionPART OF LOT 160,161
Legal SubdivisionTAMALPAIS LAND & WATER CO MAP
Legal Lot Number160
JurisdictionMARIN CA
Township / Civil DivisionSOUTHEAST MARIN
Census Block Group4
Census Block4004
Census Tract127000

Owner

Source: Marin County records · APN 027-212-22

Assessment roll updated July 13, 2026 · Last verified August 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 Address25 CORNWALL ST, MILL VALLEY, CA 94941-1730
OccupancyOwner Occupied
Owner TypeCompany
VestingBorrower in Default

Deeds, Mortgages & Sale History

DateDocument
Dec 29, 2021Intrafamily Transfer, Transfer
Dec 29, 2021Intrafamily Transfer, Transfer
Dec 29, 2021Intrafamily Transfer, Transfer
Aug 23, 2017Deed of Trust, Mortgage · Commercial Mortgage
FIRST REPUBLIC BANK
Dec 24, 2020Deed of Trust, Mortgage · Conventional Mortgage
FIRST REPUBLIC BANK
Aug 23, 2017Deed of Trust, Mortgage · ARM
FIRST REPUBLIC BANK
Dec 24, 2020Deed of Trust, Mortgage · Line of Credit
FIRST REPUBLIC BANK

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleSep 30, 2003 · Amount on Record
Deed SaleSep 30, 2003 · Amount on Record
Deed Document Number2003120542
Last Transfer DateDec 16, 2021
Transfer Doc0000075428
Record UpdatedSep 20, 2026

December 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionMARIN CA
Recording DateDec 29, 2021
Property Address25 CORNWALL ST, MILL VALLEY, CA 94941-1730
Document Number0000075429
Map ReferenceVOL 3 PG 82
Instrument DateDec 16, 2021
Instrument2021-0075429
Transaction TypeTransfer
Record UpdatedJun 07, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address25 CORNWALL ST, MILL VALLEY, CA 94941-1730

December 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionMARIN CA
Recording DateDec 29, 2021
Property Address25 CORNWALL ST, MILL VALLEY, CA 94941-1730
Document Number0000075428
Map ReferenceVOL 3 PG 82
Instrument DateDec 16, 2021
Instrument2021-0075428
Transaction TypeTransfer
Record UpdatedJun 07, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address25 CORNWALL ST, MILL VALLEY, CA 94941-1730

December 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionMARIN CA
Recording DateDec 29, 2021
Property Address25 CORNWALL ST, MILL VALLEY, CA 94941-1730
Document Number0000075430
Map ReferenceVOL 3 PG 82
Instrument DateDec 16, 2021
Instrument2021-0075430
Transaction TypeTransfer
Record UpdatedJan 11, 2022

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipTenants in Common
Address25 CORNWALL ST, MILL VALLEY, CA 94941-1730

August 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionMARIN CA
Property Address25 CORNWALL ST, MILL VALLEY, CA 94941-1730
Transaction TypeMortgage
Record UpdatedFeb 07, 2021
Title CompanyFIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000033785
DateAug 23, 2017
Instrument2017-0033785
Lender
NameFIRST REPUBLIC BANK
TypeBank
AddressSAN FRANCISCO, CA 94111
Agreement
TypeCommercial Mortgage
AmountAmount Recorded

December 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionMARIN CA
Property Address25 CORNWALL ST, MILL VALLEY, CA 94941-1730
Transaction TypeMortgage
Record UpdatedFeb 07, 2021
Title CompanyFIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address25 CORNWALL ST, MILL VALLEY, CA 94941-1730

Mortgage

Document Number0000066836
DateDec 24, 2020
Instrument2020-0066836
Lender
NameFIRST REPUBLIC BANK
TypeBank
AddressSAN FRANCISCO, CA 94111
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueJan 01, 2051

August 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionMARIN CA
Property Address25 CORNWALL ST, MILL VALLEY, CA 94941-1730
Transaction TypeMortgage
Record UpdatedFeb 05, 2021
Title CompanyFIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000033784
DateAug 23, 2017
Instrument2017-0033784
Lender
NameFIRST REPUBLIC BANK
TypeBank
AddressSAN FRANCISCO, CA 94111
Agreement
TypeARM
AmountAmount Recorded
Term361 Months
DueSep 01, 2047
Interest
Rate TypeAdjustable Rate
Rate2.7%
Type Change DateSep 01, 2024
Change FrequencyAnnually
Min Rate At Change2.5%
Index1-Month LIBOR
Max Rate9.95%

December 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionMARIN CA
Property Address25 CORNWALL ST, MILL VALLEY, CA 94941-1730
Transaction TypeMortgage
Record UpdatedFeb 05, 2021
Title CompanyFIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address25 CORNWALL ST, MILL VALLEY, CA 94941-1730

Mortgage

Document Number0000066837
DateDec 24, 2020
Instrument2020-0066837
Lender
NameFIRST REPUBLIC BANK
TypeBank
AddressSAN FRANCISCO, CA 94111
Agreement
TypeLine of Credit
AmountAmount Recorded
Term300 Months
DueDec 26, 2045
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

Tax Assessment & Valuation

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

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

YearTax BillAssessed Value
2026$4,917,446 (+2%) Land $3,175,806 Building $1,741,640
2025$60,563.00 (+4.77%) Homeowner's exemption$4,821,038 (+4.04%) Land $3,113,544 Building $1,707,494
2023$57,803.00 (+4.47%) Homeowner's exemption$4,633,858 Land $2,992,656 Building $1,641,202
2022$55,328.00

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 X
Flood HazardMinimal
500-Year FloodplainNo
Special Flood Hazard AreaNo
Nearest Special Flood Hazard AreaZone AO, within 500 ft

Wildfire

Wildfire RiskModerate
above 40% of the US · above 24% of California
Wildfire LikelihoodAbout 1 in 1,493 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 Cornwall St

Nearby Streets

Search Property Records by Address or Parcel Number