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668 Donner Ave, Sonoma, CA 95476 Property Records

Sonoma County property record for 668 Donner Ave, Sonoma, CA 95476

Property Summary

Property TypeSingle Family Home
Details2 bd · 3 ba · 2,878 sqft · built 1994
Lot Size0.401 acres (17,480 sqft)
Owner2 Company Names on File
Tax Bill$10,566 (2025)
Deeds & MortgagesOct 2023 Transfer
Mar 2018 Transfer
Flood ZoneZone X (moderate risk)
APN018-314-009-000

Property Details

APN / Parcel Number

Primary APN018-314-009-000
Alternative APN
  • 018-314-009

Interior

Bedrooms2 Beds
Full Baths3 Baths
Total Rooms6 Rooms
Stories2 Stories
Building Area2,878 sqft Living Area
Gross Area3,529 sqft
1st Floor Area651 sqft

Exterior

Year BuiltBuilt 1994
Effective Year BuiltEffective 1994
Architectural StyleCustom Design
Exterior MaterialWood Siding
Construction TypeWood
Roof MaterialComposition Shingle
Lot Area17,480 sqft (0.401 acres)
Garage TypeAttached
Garage Area651 sqft
Parking Spaces2 Parking Spaces
PorchPorch

Utilities, Heating & Cooling

Cooling SystemHVAC
SewerMunicipal
Water SourceCommercial

Location & Zoning

Old Parcel Number018-314-009
Street Address668 DONNER AVE
CitySONOMA
StateCA
Zip95476-7132
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1
Legal DescriptionLOT 77
Legal SubdivisionEX PUEBLO OF SONOMA
Legal Block1
Legal Lot Number77
JurisdictionSONOMA CA
Township / Civil DivisionSONOMA
Census Block Group1
Census Block1015
Census Tract150204

Owner

Source: Sonoma County assessment roll, APN 018-314-009-000, as of April 13, 2026 · Last verified August 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 File
Mailing Address668 DONNER AVE, SONOMA, CA 95476-7132
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Oct 23, 2023Intrafamily Transfer, Transfer
Mar 28, 2018Affidavit of Death, Transfer
ATTORNEY ONLY

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleOct 22, 1993
Deed SaleOct 22, 1993
Prior SaleOct 22, 1993 · Amount on Record
Deed Document Number1993135424
Last Transfer DateOct 18, 2023
Transfer Doc0000049578
Record UpdatedSep 20, 2026

October 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSONOMA CA
Recording DateOct 23, 2023
Property Address668 DONNER AVE, SONOMA, CA 95476-7132
Document Number0000049578
Instrument DateOct 18, 2023
Instrument2023049578
Transaction TypeTransfer
Record UpdatedNov 03, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address668 DONNER AVE, SONOMA, CA 95476-7132

March 2018: Affidavit of Death, Transfer

Document TypeAffidavit of Death
JurisdictionSONOMA CA
Recording DateMar 28, 2018
Property Address666 DONNER AVE, SONOMA, CA 95476-7132
Document Number0000021230
Instrument DateMar 22, 2018
Instrument21230
Transaction TypeTransfer
Record UpdatedApr 19, 2018
Title CompanyATTORNEY ONLY

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address666 DONNERAVE SONOMA CA 95476, SONOMA, CA 95476

Tax Assessment & Valuation

Source: Sonoma County assessment roll as of April 13, 2026 · Last verified August 2026

Property Jurisdictions

TypeName
StateCalifornia
CountySonoma County
MunicipalitySonoma City
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$10,566.00 (+4.5%) Homeowner's exemption$826,145 (+4.04%) Land $382,424 Building $443,721
2023$10,111.00 (+9.3%) Homeowner's exemption$794,067 Land $367,575 Building $426,492
2022$9,251.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Sonoma County (06097C), as of February 15, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060971502041, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

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

Wildfire

Wildfire RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% annual chance
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, 579 locations within half a mile, as of December 31, 2025 · Last verified October 2026

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

Drinking Water

Source: EPA Safe Drinking Water Information System, water system CA4910012, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water SystemCITY OF SONOMA
serves 10,619 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.

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