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144 Castleton Ct, San Ramon, CA 94583 Property Records

Contra Costa County property record for 144 Castleton Ct, San Ramon, CA 94583 · Last verified July 2026

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.5 ba · 2,103 sqft · built 1979
Lot Size0.137 acres (5,985 sqft)
Owner2 Individual Names on File
Last Sale$817,000 (Jul 2014)
Tax Bill$11,627 (2025)
Deeds & MortgagesApr 2020 Line of Credit
Oct 2020 Mortgage
Flood ZoneZone X (minimal risk)
APN209-560-012-4

Property Details

APN / Parcel Number

Primary APN209-560-012-4
Alternative APN
  • 209-560-012

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms9 Rooms
Stories2 Stories
Building Area2,103 sqft Living Area
Gross Area2,596 sqft
1st Floor Area1,203 sqft
2nd Floor Area900 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1979
Effective Year BuiltEffective 1980
Architectural StyleRanch
Exterior MaterialWood Siding
Construction TypeFrame
Roof MaterialWood Shingle
Lot Area5,985 sqft (0.137 acres)
Garage TypeAttached
Garage Area493 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address144 CASTLETON CT
CitySAN RAMON
StateCA
Zip94583-1839
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT05360 L0012 B EX MR
Legal SubdivisionSUBDIVISION 5360
Legal Tract05360
Legal Lot Number12
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group1
Census Block1002
Census Tract345116

Owner

Source: Contra Costa County records · APN 209-560-012-4

Assessment roll updated July 14, 2026 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Individual Names on File
Mailing Address144 CASTLETON CT, SAN RAMON, CA 94583-1839
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

DateDocument
Apr 20, 2020Deed of Trust, Mortgage · Line of Credit
TRUIST BANK
Oct 20, 2020Deed of Trust, Mortgage · Conventional Mortgage
QUICKEN LOANS LLC

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleJul 03, 2014 · Amount on Record
Deed SaleJul 03, 2014 · Amount on Record
Prior SaleJul 08, 2004 · Amount on Record
Deed Document Number2014109394
Prior Transfer DateOct 25, 2010
Prior Transfer Doc0000245398
Record UpdatedSep 20, 2026

April 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address144 CASTLETON CT, SAN RAMON, CA 94583-1839
Transaction TypeMortgage
Record UpdatedNov 03, 2022

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000074519
DateApr 20, 2020
Instrument2020-074519
Lender
NameTRUIST BANK
TypeBank
AddressLOS ANGELES, CA 90067
Agreement
TypeLine of Credit
AmountAmount Recorded
Term360 Months
DueApr 16, 2050
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

October 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address144 CASTLETON CT, SAN RAMON, CA 94583-1839
Transaction TypeMortgage
Record UpdatedNov 03, 2022
Title CompanyCHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

NameVerified Name
Address144 CASTLETON CT, SAN RAMON, CA 94583-1839

Mortgage

Document Number0000243576
DateOct 20, 2020
Instrument2020-243576
Lender
NameQUICKEN LOANS LLC
TypeMortgage Company
AddressDETROIT, MI 48226
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueNov 01, 2050

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalitySan Ramon City
Unified School DistrictSan Ramon Valley Unified School District (KG - 12)

Tax Bill & Assessment History

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

YearTax BillAssessed Value
2026$1,001,540 (+2%) Land $735,528 Building $266,012
2025$11,627.00 (+3.81%) Homeowner's exemption$981,903 (+4.04%) Land $721,106 Building $260,797
2023$11,200.00 (+0.76%) Homeowner's exemption$943,776 Land $693,105 Building $250,671
2022$11,115.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133451161, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies1 in force
Nearby Flood Claims1 (2025)
Claims Outside the SFHA1 of 1
Most Recent ClaimFeb 2025, other causes

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 267 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
XfinityCable2,000 / 2,000
UnwiredFixed Wireless300 / 25
VerizonFixed Wireless300 / 20
Etheric Communications, LLC.Fixed Wireless (licensed-by-rule)250 / 100

May also be available at this address: AT&T, T-Mobile USA. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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