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279 Patten St, Sonoma, CA 95476 Property Records

Sonoma County property record for 279 Patten St, Sonoma, CA 95476

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,874 sqft · built 1938
Lot Size0.258 acres (11,250 sqft)
Owner2 Company Names on Record
Last Sale$2,550,000 (Feb 2024)
Tax Bill$30,867 (2025)
Deeds & MortgagesMar 2024 Transfer
Feb 2024 Sale
Flood ZoneZone X (moderate risk)
APN018-314-018-000

Property Details

APN / Parcel Number

Primary APN018-314-018-000
Alternative APN
  • 018-314-018

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms3 Rooms
Stories1 Story
Building Area1,874 sqft Living Area
1st Floor Area1,874 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1938
Effective Year BuiltEffective 1995
Architectural StyleL-Shape
Construction TypeWood
Lot Area11,250 sqft (0.258 acres)
Garage TypeDetached
Garage Area484 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemHVAC

Location & Zoning

Old Parcel Number018-314-018
Street Address279 PATTEN ST
CitySONOMA
StateCA
Zip95476-6740
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1
Legal DescriptionPART OF LOT 76
Legal SubdivisionOFARRELLS MAP
Legal Block1
Legal Lot Number76
JurisdictionSONOMA CA
Township / Civil DivisionSONOMA
Census Block Group1
Census Block1015
Census Tract150204

Owner

Source: Sonoma County records, as of September 1, 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 Address12 ETHEL AVE, MILL VALLEY, CA 94941-2735
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Mar 6, 2024Correction Deed
FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO
Feb 20, 2024Grant Deed, Transfer
FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleFeb 20, 2024 · Amount on Record
Deed SaleFeb 20, 2024 · Amount on Record
Prior SaleJul 22, 2014 · Amount on Record
Deed Document Number20247116
Prior Transfer DateApr 24, 2006
Prior Transfer Doc0000052625
Record UpdatedOct 29, 2026

March 2024: Correction Deed

Document TypeCorrection Deed
JurisdictionSONOMA CA
Recording DateMar 6, 2024
Property Address279 PATTEN ST, SONOMA, CA 95476-6740
Document Number0000009718
Instrument DateMar 1, 2024
Instrument2024009718
Record UpdatedMar 22, 2024
Title CompanyFIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address12 ETHEL AVE, MILL VALLEY, CA 94941-2735

February 2024: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSONOMA CA
Recording DateFeb 20, 2024
Property Address279 PATTEN ST, SONOMA, CA 95476-6740
Document Number0000007116
Instrument DateFeb 12, 2024
Instrument2024007116
Transaction TypeTransfer
Record UpdatedMar 6, 2024
Title CompanyFIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

AmountAmount Recorded
Tax$2,805.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address279 PATTEN ST, SONOMA, CA 95476-6740

Tax Assessment & Valuation

Source: Sonoma County assessment roll, as of September 1, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountySonoma County
MunicipalitySonoma City
Unified School DistrictSonoma Valley Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$2,653,020 (+2%) Land $1,456,560 Building $1,196,460
2025$30,867.00 (+63.56%)$2,601,000 (+66.17%) Land $1,428,000 Building $1,173,000
2023$18,872.00 (+1.36%)$1,565,262 Land $1,097,419 Building $467,843
2022$18,619.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective February 15, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
moderate risk
500-Year FloodplainYes
0.2% annual chance
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 15 policies
Nearby Flood Policies15 in force
Nearby Flood Claims8 (1978–2025)
Claims Outside the SFHA6 of 8
Most Recent ClaimFeb 2025 · rainfall accumulation
Claims by Event
  • Severe Winter Storms, Flooding, Landslides, And Mudslides, Feb 2019 · 2 claims
  • Severe Winter Storm, Mud & Land Slides, & Flooding, Jan 1993 · 2 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
ExposureNone
beyond 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 SystemCITY OF SONOMA
serves 10,619 people · EPA ID CA4910012
Water SourceGroundwater
Last State InspectionJul 2024
LeadUnder 1 ppb (2021–2023)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting1
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 579 locations within half a mile, as of December 31, 2025

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

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