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644 Donald St, Sonoma, CA 95476 Property Records

Sonoma County property record for 644 Donald St, Sonoma, CA 95476

Property Summary

Property TypeSingle Family Home
Details4 bd · 3 ba · 2,248 sqft · built 1977
Lot Size0.523 acres (22,784 sqft)
OwnerCompany Name on Record
Tax Bill$4,631 (2025)
Deeds & MortgagesOct 2018 Transfer
Oct 2018 Transfer
Flood ZoneZone X (minimal risk)
APN127-092-023-000

Property Details

APN / Parcel Number

Primary APN127-092-023-000
Alternative APN
  • 127-092-023

Interior

Bedrooms4 Beds
Full Baths3 Baths
Total Rooms4 Rooms
Stories1 Story
Building Area2,248 sqft Living Area
Gross Area2,688 sqft
1st Floor Area2,248 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1977
Effective Year BuiltEffective 1993
Architectural StyleL-Shape
Construction TypeWood
Lot Area22,784 sqft (0.523 acres)
Garage TypeAttached
Garage Area440 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemHVAC

Location & Zoning

Old Parcel Number127-092-023
Street Address644 DONALD ST
CitySONOMA
StateCA
Zip95476-4605
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1B8FRZN
Legal Description78 FORM PT OF 127-092-03 PM 5191 PCL 2
Legal Block2
JurisdictionSONOMA CA
Township / Civil DivisionSONOMA
Census Block Group2
Census Block2004
Census Tract150205

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 Address644 DONALD ST, SONOMA, CA 95476-4605
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Oct 23, 2018Quit Claim Deed, Transfer
Quitclaim
Oct 23, 2018Quit Claim Deed, Transfer
Quitclaim

Assessor's Deed Record

Deed NamesName on Deed
Last Transfer DateMay 26, 2011
Transfer Doc0000048298
Record UpdatedOct 29, 2026

October 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSONOMA CA
Recording DateOct 23, 2018
Property Address644 DONALD ST, SONOMA, CA 95476-4605
Document Number0000073599
Instrument DateOct 4, 2018
Instrument73599
Transaction TypeTransfer
Record UpdatedNov 13, 2018

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address644 DONALD ST SONOMA CA 954764605, SONOMA, CA 95476-4605

October 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSONOMA CA
Recording DateOct 23, 2018
Property Address644 DONALD ST, SONOMA, CA 95476-4605
Document Number0000073600
Instrument DateOct 4, 2018
Instrument73600
Transaction TypeTransfer
Record UpdatedNov 13, 2018

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address644 DONALD ST SONOMA CA 954764605, SONOMA, CA 95476-4605

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$266,540 (+2%) Land $67,933 Building $198,607
2025$4,631.00 (+3.97%) Homeowner's exemption$261,314 (+4.04%) Land $66,601 Building $194,713
2023$4,454.00 (+2.91%) Homeowner's exemption$251,169 Land $64,016 Building $187,153
2022$4,328.00

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
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 10 (0% premium discount)
Nearby Flood Policies3 in force

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 RiskModerate
above 48% of the US · lower than 71% of California
Wildfire Likelihood0.09% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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 SystemVALLEY OF THE MOON WATER DISTRICT
serves 23,140 people · EPA ID CA4910013
Water SourceGroundwater
Last State InspectionSep 2022
LeadUnder 1 ppb (2024–2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 477 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		100 / 20

Cell Coverage

5G (outdoors only) and 4G LTE

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