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17635 Middlefield Rd, Sonoma, CA 95476 Property Records

Sonoma County property record for 17635 Middlefield Rd, Sonoma, CA 95476

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 806 sqft · built 1962
Lot Size0.117 acres (5,100 sqft)
OwnerIndividual Name on Record
Last Sale$659,000 (Apr 2024)
Tax Bill$9,130 (2025)
Deeds & MortgagesApr 2024 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN056-334-005-000

Property Details

APN / Parcel Number

Primary APN056-334-005-000
Alternative APN
  • 056-334-005

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms3 Rooms
Stories1 Story
Building Area806 sqft Living Area
Gross Area1,130 sqft
1st Floor Area806 sqft

Exterior

Year BuiltBuilt 1962
Effective Year BuiltEffective 2007
Architectural StyleCustom Design
Construction TypeWood
Lot Area5,100 sqft (0.117 acres)
Garage TypeAttached
Garage Area324 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemHVAC

Location & Zoning

Old Parcel Number056-334-005
Street Address17635 MIDDLEFIELD RD
CitySONOMA
StateCA
Zip95476-3482
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR15UA
Legal SubdivisionSONOMA HLNDS 01
Legal Block2
Legal Lot Number17
JurisdictionSONOMA CA
Township / Civil DivisionSONOMA
Census Block Group2
Census Block2005
Census Tract150306

Owner

Source: Sonoma County records, as of September 1, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of RecordIndividual Name on Record
Mailing Address18635 MIDDLEFIELD RD, SONOMA, CA 95476
Owner TypeIndividual
VestingSingle Woman

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleApr 29, 2024 · Amount on Record
Deed SaleApr 29, 2024 · Amount on Record
Prior SaleJul 7, 2014 · Amount on Record
Deed Document Number202417914
Prior Transfer DateMar 11, 2014
Prior Transfer Doc0000017039
Record UpdatedOct 29, 2026

April 2024: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSONOMA CA
Recording DateApr 29, 2024
Property Address18635 MIDDLEFIELD RD, SONOMA, CA 95476
Document Number0000017914
Map ReferenceMB 30 PG 27
Instrument DateApr 18, 2024
Instrument2024017914
Transaction TypeTransfer
Record UpdatedMay 16, 2024
Title CompanyFIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$724.90
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address18635 MIDDLEFIELD RD, SONOMA, CA 95476

Mortgage

Document Number0000017915
DateApr 29, 2024
Instrument2024017915
Lender
NameBANK OF AMERICA NA
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueMay 1, 2054

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$685,623 (+2%) Land $312,120 Building $373,503
2025$9,130.00 (+32.43%)$672,180 (+42.27%) Land $306,000 Building $366,180
2023$6,894.00 (+2.16%)$472,461 Land $219,481 Building $252,980
2022$6,748.00

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 Policies2 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 RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.03% annual chance
ExposureIndirect
within 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 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 711 locations within half a mile, as of December 31, 2025

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

May also be available: Verizon.

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