301 Patten St, Sonoma, CA 95476 Property Records

Sonoma County property record for 301 Patten St, Sonoma, CA 95476

Property Summary

Property TypeSingle Family Home
Details2 bd · 2 ba · 1,275 sqft · built 1964
Lot Size0.155 acres (6,750 sqft)
OwnerCompany Name on Record
Last Sale$945,000 (Mar 2007)
Tax Bill$13,792 (2025)
Flood ZoneZone X (moderate risk)
APN018-321-044-000

Property Details

APN / Parcel Number

Primary APN018-321-044-000
Alternative APN
  • 018-321-044

Interior

Bedrooms2 Beds
Full Baths2 Baths
Total Rooms2 Rooms
Stories1 Story
Building Area1,275 sqft Living Area
Gross Area1,695 sqft
1st Floor Area1,275 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1964
Effective Year BuiltEffective 1988
Architectural StyleL-Shape
Construction TypeWood
Lot Area6,750 sqft (0.155 acres)
Garage TypeAttached
Garage Area420 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemHVAC

Location & Zoning

Old Parcel Number018-321-044
Street Address301 PATTEN ST
CitySONOMA
StateCA
Zip95476-6700
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1
Legal SubdivisionTHIRD STREET EAST
Legal Block1
Legal Lot Number275
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 RecordCompany Name on Record
Mailing Address669 BROADWAY, A, SONOMA, CA 95476-7085
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleMar 30, 2007 · Amount on Record
Deed SaleMar 30, 2007 · Amount on Record
Prior SaleOct 29, 2002 · Amount on Record
Deed Document Number200736063
Prior Transfer DateMar 22, 2007
Prior Transfer Doc0000038011
Record UpdatedOct 29, 2026

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$1,093,251 (+2%) Land $683,285 Building $409,966
2025$13,792.00 (+7.34%)$1,071,816 (+4.04%) Land $669,888 Building $401,928
2023$12,849.00 (+1.47%)$1,030,198 Land $643,876 Building $386,322
2022$12,663.00

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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