400 E Thomson Ave, Sonoma, CA 95476 Property Records

Sonoma County property record for 400 E Thomson Ave, Sonoma, CA 95476 · Last verified May 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms3 Beds
Bathrooms1 Baths
Year BuiltBuilt 1978
Square Footage1,125 sqft Living Area
Lot Size5,000 sqft (0.115 acres)
OccupancyOwner Occupied
Last Sale$605,000 (2019)
Tax Bill$9,403.00 (2025)

Property Details

APN / Parcel Number

Primary APN056-475-025-000
Alternative APN
  • 056-475-025

Interior

Bedrooms3 Beds
Full Baths1 Baths
Total Rooms4 Rooms
Building Area1,125 sqft Living Area
1st Floor1,125 sqft 1st Floor
Stories1 Stories
FireplaceFireplace
Fireplaces1 Fireplaces

Exterior

Year BuiltBuilt 1954
Effective Year BuiltEffective 1978
Architectural StyleCustom Design Style
Construction TypeWood Construction
Lot Area5,000 sqft (0.115 acres)
Parking Spaces2 Parking Spaces
Garage TypeCarport Garage
Garage Area400 sqft Garage
CarportCarport
Carport Area400 sqft Carport

Utilities and HVAC

Cooling SystemHVAC Cooling

Location & Zoning

Old Parcel Number056-475-025
Street Address400 E THOMSON AVE
CitySONOMA
StateCA
Zip95476-8442
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal SubdivisionBOYES SPG PARK SUB B
Legal Block3
Legal Lot Number8
JurisdictionSONOMA CA
Minor Civil DivisionSONOMA
Census Blockgroup3
Census Block3004
Census Tract150306

Owner

Source: Sonoma County records · APN 056-475-025-000

Assessment roll updated April 13, 2026 · Last verified May 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 Address400 E THOMSON AVE, SONOMA, CA 95476-8442
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity
VestingJoint Tenants

Deeds, Mortgages & Sale History

DateDocument
Sep 14, 2021Deed of Trust, Mortgage · Line of Credit
REDWOOD CU
Jun 21, 2019Grant Deed, Transfer · Conventional Mortgage
REDWOOD CU
Aug 18, 2017Deed of Trust, Mortgage · Line of Credit
ALLIANT CU

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleJun 21, 2019 · Amount on Record
Deed SaleJun 21, 2019 · Amount on Record
Prior SaleOct 02, 1997 · Amount on Record
Deed Doc Number201941987
Record RefreshedJun 08, 2026

September 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSONOMA CA
Property Address400 E THOMSON AVE, SONOMA, CA 95476-8442
Transaction TypeMortgage
Record UpdatedSep 29, 2021
Title CompanyFIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address400 E THOMSON AVE, SONOMA, CA 95476-8442

Mortgage

Document Number0000103252
DateSep 14, 2021
Instrument2021103252
Lender
NameREDWOOD CU
TypeCredit Union
AddressSANTA ROSA, CA 95403
Agreement
TypeLine of Credit
AmountAmount Recorded
Term301 Months
DueOct 15, 2046
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly (Revolving credit lines are monthly unless stated otherwise).

June 2019: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSONOMA CA
Recording DateJun 21, 2019
Property Address400 E THOMSON AVE, SONOMA, CA 95476-8442
Document Number0000041987
Instrument DateJun 18, 2019
Instrument41987
Transaction TypeTransfer
Record UpdatedJul 08, 2019
Title CompanyFIRST AMERICAN TITLE

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$665.50
Amount AccuracyFull Value
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenant/Joint Tenant w/ Right Of Survivorship
Address400 E THOMSON AVE SONOMA CA 954768442, SONOMA, CA 95476-8442

Mortgage

Document Number41988
DateJun 21, 2019
Instrument41988
Lender
NameREDWOOD CU
TypeCredit Union
AddressSANTA ROSA, CA 95403
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueJun 20, 2049
Interest
Rate TypeAdjustable Rate
Rate3.75%

August 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSONOMA CA
Property Address400 E THOMSON AVE, SONOMA, CA 95476-8442
Document Number0000068516
Instrument DateAug 18, 2017
Transaction TypeMortgage
Record UpdatedSep 15, 2017
Title CompanyFIRST AMERICAN TITLE, FIRST AMERICAN TITLE INSURANCE

Transferred To (Grantee/Buyer)

NameVerified Name
Address400 E THOMSON AVE SONOMA CA 954768442, SONOMA, CA 95476-8442

Mortgage

Document Number0000068516
DateAug 30, 2017
Instrument68516
Lender
NameALLIANT CU
TypeCredit Union
AddressCHICAGO, IL 60666
Agreement
TypeLine of Credit
AmountAmount Recorded
Term180 Months
DueAug 29, 2032
Interest
Rate TypeAdjustable Rate

Tax Assessment & Valuation

Source: Sonoma County records · Assessment roll updated April 13, 2026 · Last verified May 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$9,403.00 (+4.38%)$674,883 (+4.04%) Land $379,272 Building $295,611
2023$9,008.00 (+2.94%)$648,679 Land $364,546 Building $284,133
2022$8,751.00

Flood & Wildfire

400 E Thomson Ave is in FEMA Zone X, outside the Special Flood Hazard Area, with indirect wildfire exposure (Low risk).

Flood

Source: FEMA National Flood Hazard Layer · Sonoma County (06097C), updated February 15, 2026

FEMA Flood ZoneZone X
minimal flood hazard · outside the 0.2% annual chance floodplain
Special Flood Hazard AreaNo

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to HomesLow
37th percentile of exposed land nationally · 22nd in California
Wildfire LikelihoodModerate — about 1 in 1,961 per year
ExposureIndirect
within ember reach of burnable land · adjoins burnable vegetation

Values are read at the parcel center point; lenders make the official flood determination.

Nearby Properties on E Thomson Ave

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