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366 Caroni St, Walnut Creek, CA 94597 Property Records

Contra Costa County property record for 366 Caroni St, Walnut Creek, CA 94597

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.5 ba · 2,543 sqft · built 2003
Lot Size0.142 acres (6,204 sqft)
OwnerIndividual Name on File
Last Sale$870,000 (Oct 2014)
Tax Bill$12,360 (2025)
Deeds & MortgagesDec 2018 Transfer
Jan 2018 Transfer
Flood ZoneZone X (minimal risk)
APN170-290-058-8

Property Details

APN / Parcel Number

Primary APN170-290-058-8
Alternative APN
  • 170-290-058

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms8 Rooms
Stories2 Stories
Building Area2,543 sqft Living Area
1st Floor Area1,301 sqft
2nd Floor Area1,242 sqft

Exterior

Year BuiltBuilt 2003
Effective Year BuiltEffective 2003
Lot Area6,204 sqft (0.142 acres)
Garage TypeAttached
Garage Area415 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address366 CARONI ST
CityWALNUT CREEK
StateCA
Zip94597-1881
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT8496 L10
Legal SubdivisionSUBDIVISION MAP 8496
Legal Tract8496
Legal Lot Number10
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group2
Census Block2003
Census Tract340001

Owner

366 Caroni St is owned and occupied by an individual who acquired it in December 2018.

Source: Contra Costa County records, as of July 14, 2026

Owner of RecordIndividual Name on File
Mailing Address366 CARONI ST, WALNUT CREEK, CA 94597-1881
OccupancyOwner Occupied
Owner TypeIndividual
VestingSole Owner

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

Deeds, Mortgages & Sale History

DateDocument
Dec 6, 2018Quit Claim Deed, Transfer
Quitclaim
Jan 19, 2018Quit Claim Deed, Transfer
ATTORNEY ONLY

Assessor's Deed Record

Deed NamesName on Deed
Last SaleOct 29, 2014 · Amount on File
Deed SaleOct 29, 2014 · Amount on File
Prior SaleNov 14, 2008 · Amount on File
Deed Document Number2014186144
Last Transfer DateDec 5, 2018
Transfer Doc0000195744
Record UpdatedOct 29, 2026

December 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateDec 6, 2018
Property Address366 CARONI ST, WALNUT CREEK, CA 94597-1881
Document Number0000195744
Instrument DateDec 5, 2018
Instrument195744
Transaction TypeTransfer
Record UpdatedDec 17, 2018

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
Address366 CARONI ST WALNUT CREEK CA 945971881, WALNUT CREEK, CA 94597-1881

January 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateJan 19, 2018
Property Address366 CARONI ST, WALNUT CREEK, CA 94597-1881
Document Number0000008675
Instrument DateDec 11, 2017
Instrument8675
Transaction TypeTransfer
Record UpdatedJan 24, 2018
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property
Address366 CARONI ST WALNUT CREEK CA 945971881, WALNUT CREEK, CA 94597-1881

Tax Assessment & Valuation

The 2025 property tax bill for 366 Caroni St was $12,360 with a homeowner's exemption.

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityWalnut Creek City
Unified School DistrictMount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$1,066,511 (+2%) Land $490,351 Building $576,160
2025$12,360.00$1,045,600 Land $480,737 Building $564,863
2023$11,942.00 (+0.87%)$1,005,000 Land $462,070 Building $542,930
2022$11,839.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 366 Caroni St in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1998.

Source: FEMA National Flood Hazard Layer, effective October 12, 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 Claims2 (1998–2012)
Claims Outside the SFHA2 of 2
Most Recent ClaimNov 2012 · rainfall accumulation

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

The area around 366 Caroni St has no burnable land within ember reach, so its wildfire risk is not rated.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskNot rated
no burnable land 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 SystemCONTRA COSTA WATER DISTRICT
serves 210,500 people · EPA ID CA0710003
Water SourceSurface water
Last State InspectionJan 2022
LeadUnder 1 ppb (2026–2028)
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 486 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · DSL · Fixed Wireless in parts of the area		5,000 / 5,000
Xfinity
Cable		2,000 / 250
Astound Broadband
Cable · Fiber in parts of the area		1,500 / 50
Unwired
Fixed Wireless		300 / 25
Verizon
Fixed Wireless		300 / 20
T-Mobile
Fixed Wireless		100 / 20

May also be available: Sonic Telecom.

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