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17509 Johnson Ave, Sonoma, CA 95476 Property Records

Sonoma County property record for 17509 Johnson Ave, Sonoma, CA 95476

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,424 sqft · built 1952
Lot Size0.147 acres (6,400 sqft)
Owner2 Company Names on Record
Last Sale$165,000 (Dec 1998)
Tax Bill$4,957 (2025)
Deeds & MortgagesOct 2023 Transfer
Flood ZoneZone X (minimal risk)
APN056-304-001-000

Property Details

APN / Parcel Number

Primary APN056-304-001-000
Alternative APN
  • 056-304-001

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms3 Rooms
Stories1 Story
Building Area1,424 sqft Living Area
1st Floor Area1,424 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1952
Effective Year BuiltEffective 1975
Architectural StyleCustom Design
Construction TypeWood
Lot Area6,400 sqft (0.147 acres)
Garage Area319 sqft

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemFloor/Wall Furnace

Location & Zoning

Old Parcel Number056-304-001
Street Address17509 JOHNSON AVE
CitySONOMA
StateCA
Zip95476-3619
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR15UA
Legal DescriptionOLIVE GROVE SUB BLK3 LOT 12
Legal SubdivisionOLIVE GROVE SUB
Legal Block3
Legal Lot Number12
JurisdictionSONOMA CA
Township / Civil DivisionSONOMA
Census Block Group3
Census Block3003
Census Tract150305

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 Company Names on Record
Mailing Address17509 JOHNSON AVE, SONOMA, CA 95476-3619
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust, Family Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleDec 11, 1998 · Amount on Record
Deed SaleDec 11, 1998 · Amount on Record
Deed Document Number1998148618
Prior Transfer DateMar 1, 1996
Prior Transfer Doc0000021083
Record UpdatedOct 29, 2026

October 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSONOMA CA
Recording DateOct 16, 2023
Property Address17509 JOHNSON AVE, SONOMA, CA 95476-3619
Document Number0000048246
Map ReferenceMB 58 PG 26&27
Instrument DateOct 12, 2023
Instrument2023048246
Transaction TypeTransfer
Record UpdatedNov 1, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipFamily Trust
Address3843 BRICKWAY BLVD STE 204, 204, SANTA ROSA, CA 95403-9060

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$296,104 (+2%) Land $119,920 Building $176,184
2025$4,957.00 (+5.9%) Homeowner's exemption$290,299 (+4.04%) Land $117,569 Building $172,730
2023$4,681.00 (+5.57%) Homeowner's exemption$279,028 Land $113,004 Building $166,024
2022$4,434.00

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 Likelihood0.02% 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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