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18055 River Rd, Sonoma, CA 95476 Property Records

Sonoma County property record for 18055 River Rd, Sonoma, CA 95476 · Last verified April 2026

Property Summary

Property TypeDuplex
Details2 bd · 1 ba · 942 sqft · built 1930
Lot Size0.114 acres (4,950 sqft)
OwnerIndividual Name on File
Last Sale$640,000 (Sep 2021)
Tax Bill$9,643 (2025)
Deeds & MortgagesSep 2021 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN056-391-015-000

Property Details

APN / Parcel Number

Primary APN056-391-015-000
Alternative APN
  • 056-391-015

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms5 Rooms
Stories1 Story
Building Area942 sqft Living Area
1st Floor Area942 sqft

Exterior

Year BuiltBuilt 1930
Effective Year BuiltEffective 1986
Architectural StyleL-Shape
Exterior MaterialWood Siding
Construction TypeWood
Roof MaterialComposition Shingle
Lot Area4,950 sqft (0.114 acres)
Garage TypeCarport
Garage Area260 sqft
CarportCarport
Carport Area260 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemNone
Heating SystemFloor/Wall Furnace
SewerMunicipal
Water SourceCommercial

Location & Zoning

Old Parcel Number056-391-015
Street Address18055 RIVER RD
CitySONOMA
StateCA
Zip95476-3690
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Legal DescriptionBOYES SPRINGS HOTEL GROUNDS LOT 144
Legal SubdivisionBOYES SPRINGS
Legal Block4
Legal Lot Number144
JurisdictionSONOMA CA
Township / Civil DivisionSONOMA
Census Block Group4
Census Block4011
Census Tract150305

Owner

Source: Sonoma County records · APN 056-391-015-000

Assessment roll updated April 13, 2026 · Last verified April 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordIndividual Name on File
Mailing Address18055 RIVER RD, SONOMA, CA 95476-3690
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleSep 09, 2021 · Amount on Record
Deed SaleSep 09, 2021 · Amount on Record
Prior SaleDec 04, 2000 · Amount on Record
Deed Document Number2021101889
Prior Transfer DateApr 15, 2010
Prior Transfer Doc0000034839
Record UpdatedJun 08, 2026

September 2021: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSONOMA CA
Recording DateSep 09, 2021
Property Address18055 RIVER RD, SONOMA, CA 95476-3690
Document Number0000101889
Map ReferenceMB 33 PG 19&20
Instrument DateSep 02, 2021
Instrument2021101889
Transaction TypeTransfer
Record UpdatedAug 17, 2023
Title CompanyFIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$704.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address18055 RIVER RD, SONOMA, CA 95476-3690
InvestorPossibly a Property Investor

Mortgage

Document Number0000101890
DateSep 09, 2021
Instrument2021101890
Lender
NameHOMEBRIDGE FINANCIAL SERVICES INC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueOct 01, 2051

Tax Assessment & Valuation

Source: Sonoma County records · Assessment roll updated April 13, 2026 · Last verified April 2026

Property Jurisdictions

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

Tax Bill & Assessment History

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

YearTax BillAssessed Value
2025$9,643.00 (+3.05%)$679,172 (+4.04%) Land $334,280 Building $344,892
2023$9,358.00 (+5.41%)$652,800 Land $321,300 Building $331,500
2022$8,878.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Sonoma County (06097C), updated February 15, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060971503054, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Community Rating SystemClass 10 (0% premium discount)
Nearby Flood Policies1 in force

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 711 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
XfinityCable2,000 / 250
T-Mobile USAFixed Wireless100 / 20
AT&TDSL100 / 20

May also be available at this address: AT&T, Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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