18399 Half Moon St, Sonoma, CA 95476 Property Records

Sonoma County property record for 18399 Half Moon St, Sonoma, CA 95476

Property Summary

Property TypeRural Home
Details1 bd · 1.5 ba · 832 sqft · built 1982
Lot Size3.38 acres (147,668 sqft)
OwnerCompany Name on Record
Tax Bill$7,607 (2025)
Deeds & MortgagesJan 2017 Mortgage
Flood ZoneZone X (minimal risk)
APN127-540-032-000

Property Details

APN / Parcel Number

Primary APN127-540-032-000
Alternative APN
  • 127-540-032

Interior

Bedrooms1 Bed
Full Baths1.5 Baths
Half Baths1 Half Bath
Total Rooms1 Room
Units2 Units
Stories1 Story
Building Area832 sqft Living Area
1st Floor Area832 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1982
Effective Year BuiltEffective 2001
Construction TypeWood
Lot Area147,668 sqft
Garage TypeCarport
Garage Area432 sqft
CarportCarport
Carport Area432 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemHVAC

Location & Zoning

Old Parcel Number127-540-032
Street Address18399 HALF MOON ST
CitySONOMA
StateCA
Zip95476-4865
Property CategoryResidential
Property TypeResidential > Single Family > Rural Home
Local Zoning CodeAR15
Legal Description76 FM 127-051-45 PT 127-540-33 34 35 PM 4744 PCL 1
Legal Block2
Legal Lot Number1
JurisdictionSONOMA CA
Township / Civil DivisionSONOMA
Census Block Group2
Census Block2002
Census Tract150206

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 Address431 PAYRAN ST, PETALUMA, CA 94952-5908
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last Transfer DateDec 2, 2002
Transfer Doc0000195615
Record UpdatedOct 29, 2026

January 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSONOMA CA
Property Address18399 HALF MOON ST, SONOMA, CA 95476-4865
Transaction TypeMortgage
Record UpdatedFeb 5, 2021
Title CompanyFIRST AMERICAN TITLE CO

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000007649
DateJan 30, 2017
Instrument2017007649
Lender
NameWELLS FARGO BANK NA
TypeBank
AddressSIOUX FALLS, SD 57104
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueFeb 1, 2047

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$635,723 (+2%) Land $167,188 Building $468,535
2025$7,607.00 (+3.86%) Homeowner's exemption$623,259 (+4.04%) Land $163,910 Building $459,349
2023$7,324.00 (+2.72%) Homeowner's exemption$599,060 Land $157,547 Building $441,513
2022$7,130.00

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 57% of the US · lower than 66% of California
Wildfire Likelihood0.1% annual chance
ExposureDirect
burnable vegetation

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 SystemSONOMA RANCH MUTUAL WATER COMPANY
private · serves 151 people · EPA ID CA4900843
Water SourceGroundwater
Last State InspectionOct 2022
LeadUnder 1 ppb (2025)
action level 15 ppb
Copper2.84 mg/L (2021–2023)
action level 1.3 mg/L

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureLead service line inventory
currently in violation since Oct 2024
Monitoring and Reporting1
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 22 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
1,200 / 35
Starlink
Satellite
280 / 30

May also be available: AT&T.

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Half Moon St

Nearby Streets

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