10 Post St, Larkspur, CA 94939 Property Records

Marin County property record for 10 Post St, Larkspur, CA 94939

Property Summary

Property TypeDuplex
Details6 bd · 4 ba · 2,044 sqft · built 1925
Lot Size0.069 acres (3,000 sqft)
OwnerIndividual Name on File
Last Sale$687,500 (Apr 2004)
Tax Bill$18,975 (2025)
Deeds & MortgagesJun 2020 Mortgage
Dec 2019 Mortgage
+ 1 more
Flood ZoneZone X (minimal risk)
APN020-252-10

Property Details

APN / Parcel Number

Primary APN020-252-10

Interior

Bedrooms6 Beds
Full Baths4 Baths
Units2 Units
Building Area2,044 sqft Living Area
Basement Area372 sqft

Exterior

Year BuiltBuilt 1925
Effective Year BuiltEffective 1980
Architectural StyleDuplex Single
Lot Area3,000 sqft (0.069 acres)

Utilities, Heating & Cooling

Heating SystemCentral

Location & Zoning

Street Address10 POST ST
CityLARKSPUR
StateCA
Zip94939-1332
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
JurisdictionMARIN CA
Township / Civil DivisionROSS VALLEY
Census Block Group3
Census Block3000
Census Tract120002

Owner

10 Post St, a duplex, is owned and occupied by an individual who acquired it in December 2019.

Source: Marin County records, as of July 13, 2026

Owner of RecordIndividual Name on File
Mailing Address10 POST ST, 2, LARKSPUR, CA 94939-1332
OccupancyOwner Occupied
Owner TypeIndividual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

DateDocument
Jun 25, 2020Deed of Trust, Mortgage
NFM CNSLTS
Dec 11, 2019Intrafamily Transfer, Transfer · Conventional Mortgage
HOMEXPRESS MORTGAGE CORP
Dec 11, 2019Affidavit of Death, Transfer
FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Assessor's Deed Record

Deed NamesName on Deed
Last SaleApr 28, 2004 · Amount on File
Deed SaleApr 28, 2004 · Amount on File
Deed Document Number200435293
Last Transfer DateDec 3, 2019
Transfer Doc0000046978
Record UpdatedOct 29, 2026

June 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionMARIN CA
Property Address10 POST ST, LARKSPUR, CA 94939-1332
Document Number0000027671
Instrument DateJun 25, 2020
Transaction TypeMortgage
Record UpdatedJul 15, 2020
Title CompanyPLACER TITLE COMPANY, PLACER TITLE CO.

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
Address10 POST ST AND 128 LOCUST AVE LARKSPUR CA 94939, LARKSPUR, CA 94939

Mortgage

Document Number0000027671
DateJun 30, 2020
Instrument27671
Lender
NameNFM CNSLTS
AddressLINTHICUM, MD 21090
Agreement
AmountAmount on Record
Term360 Months
DueJun 29, 2050

December 2019: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionMARIN CA
Recording DateDec 11, 2019
Property Address10 POST ST, LARKSPUR, CA 94939-1332
Document Number0000046978
Instrument DateDec 3, 2019
Instrument2019-0046978
Transaction TypeTransfer
Record UpdatedAug 13, 2021
Title CompanyFIDELITY NATIONAL TITLE CO

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address10 POST ST # 2, 2, LARKSPUR, CA 94939-1332

Mortgage

Document Number0000046979
DateDec 11, 2019
Instrument2019-0046979
Lender
NameHOMEXPRESS MORTGAGE CORP
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount on Record
Interest
Rate TypeAdjustable Rate
Rate5.12%
Type Change DateJan 1, 2027
Change FrequencyAnnually
Min Rate At Change5.12%
Max Rate At Change7.12%
Index1-Year LIBOR
Max Rate10.1%

December 2019: Affidavit of Death, Transfer

Document TypeAffidavit of Death
JurisdictionMARIN CA
Recording DateDec 11, 2019
Property Address10 POST ST, LARKSPUR, CA 94939-1332
Document Number0000046977
Instrument DateNov 27, 2019
Instrument46977
Transaction TypeTransfer
Record UpdatedDec 30, 2019
Title CompanyFIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address10 POST ST #2 LARKSPUR CA 949391332, 2, LARKSPUR, CA 94939-1332

Tax Assessment & Valuation

The 2025 property tax bill for 10 Post St was $18,975 with a homeowner's exemption.

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

Property Jurisdictions

TypeName
StateCalifornia
CountyMarin County
MunicipalityLarkspur City
Elementary School DistrictLarkspur Elementary School District (KG - 08)
Secondary School DistrictTamalpais Union High School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$1,201,941 (+2%) Land $870,084 Building $331,857
2025$18,975.00 Homeowner's exemption$1,178,377 Land $853,026 Building $325,351
2023$17,889.00 (+1.76%) Homeowner's exemption$1,132,625 Land $819,906 Building $312,719
2022$17,579.00

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

Flood

FEMA maps place 10 Post St in Zone X, an area of minimal flood risk.

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
Nearby Flood Policies3 in force

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

Wildfire risk around 10 Post St is low, with a 0.01% annual chance of 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

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

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

May also be available: Verizon.

Nearby Properties on Post St

Nearby Streets

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