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186 Callahan Ln, Windsor, CA 95492 Property Records

Sonoma County property record for 186 Callahan Ln, Windsor, CA 95492

Property Summary

Property TypeSingle Family Home
Details3 bd · 2.5 ba · 1,808 sqft · built 1980
Lot Size0.317 acres (13,800 sqft)
Owner2 Individual Names on Record
Last Sale$700,000 (Mar 2007)
Tax Bill$10,748 (2025)
Deeds & MortgagesJul 2021 Mortgage
Flood ZoneZone X (minimal risk)
APN163-200-024-000

Property Details

APN / Parcel Number

Primary APN163-200-024-000
Alternative APN
  • 163-200-024

Interior

Bedrooms3 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms3 Rooms
Stories1 Story
Building Area1,808 sqft Living Area
1st Floor Area1,808 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1980
Effective Year BuiltEffective 1980
Architectural StyleCustom Design
Construction TypeWood
Lot Area13,800 sqft (0.317 acres)
Garage Area480 sqft

Utilities, Heating & Cooling

Cooling SystemHVAC

Location & Zoning

Old Parcel Number163-200-024
Street Address186 CALLAHAN LN
CityWINDSOR
StateCA
Zip95492-9111
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeCITYWI
Legal Description91 FM 65-460-24 # CHG PER MD LT45 OAK CRK SUB NO 1
Legal SubdivisionOAK CRK SUB
Legal Block1
Legal Lot Number45
JurisdictionSONOMA CA
Township / Civil DivisionHEALDSBURG
Census Block Group1
Census Block1013
Census Tract153809

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 Record2 Individual Names on Record
Mailing Address186 CALLAHAN LN, WINDSOR, CA 95492-9111
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMar 8, 2007 · Amount on Record
Deed SaleMar 8, 2007 · Amount on Record
Deed Document Number200726646
Prior Transfer DateOct 12, 1993
Prior Transfer Doc0000133302
Record UpdatedOct 29, 2026

July 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSONOMA CA
Recording DateJul 21, 2021
Property Address186 CALLAHAN LN, WINDSOR, CA 95492-9111
Document Number0000083328
Map ReferenceMB 280 PG 12-16
Instrument DateJul 16, 2021
Instrument2021083328
Transaction TypeTransfer
Record UpdatedAug 5, 2021
Title CompanyFIDELITY NATIONAL TITLE CO

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address186 CALLAHAN LN, WINDSOR, CA 95492-9111

Mortgage

Document Number0000083329
DateJul 21, 2021
Instrument2021083329
Lender
NameUNITED WHOLESALE MORTGAGE
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueAug 1, 2051

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountySonoma County
MunicipalityWindsor Town
Unified School DistrictWindsor Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$956,592 (+5%) Land $327,970 Building $628,622
2025$10,748.00 (+10.41%)$911,000 (+10.42%) Land $312,000 Building $599,000
2023$9,735.00 (-0.17%)$825,000 Land $330,000 Building $495,000
2022$9,752.00

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
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 63% of the US · lower than 78% of California
Wildfire Likelihood0.05% annual chance
ExposureNone
beyond 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 SystemTOWN OF WINDSOR
serves 25,561 people · EPA ID CA4910017
Water SourceGroundwater
Last State InspectionAug 2022
LeadUnder 1 ppb (2023–2025)
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 206 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		1,200 / 35
Verizon
Fixed Wireless		300 / 20
AT&T
DSL		100 / 20

Cell Coverage

5G (outdoors only) and 4G LTE

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