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280 Casper Pl, San Ramon, CA 94583 Property Records

Contra Costa County property record for 280 Casper Pl, San Ramon, CA 94583

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,288 sqft · built 1967
Lot Size0.172 acres (7,500 sqft)
Owner2 Individual Names on File
Last Sale$1,331,000 (Mar 2023)
Tax Bill$15,840 (2025)
Deeds & MortgagesMar 2023 Sale & Mortgage
Apr 2022 Transfer
+ 1 more
Flood ZoneZone X (minimal risk)
APN210-541-033-2

Property Details

APN / Parcel Number

Primary APN210-541-033-2
Alternative APN
  • 210-541-033

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Stories1 Story
Building Area1,288 sqft Living Area
1st Floor Area1,288 sqft

Exterior

Year BuiltBuilt 1967
Effective Year BuiltEffective 2000
Lot Area7,500 sqft (0.172 acres)
Garage TypeAttached
Garage Area446 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address280 CASPER PL
CitySAN RAMON
StateCA
Zip94583-3537
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionTRACT 3471 LOT 86 EX MR
Legal SubdivisionSUBDIVISION 3471
Legal Tract3471
Legal Lot Number86
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group3
Census Block3002
Census Tract345101

Owner

Source: Contra Costa County records · APN 210-541-033-2

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 Address280 CASPER PL, SAN RAMON, CA 94583-3537
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

Deeds, Mortgages & Sale History

DateDocument
Mar 10, 2023Grant Deed, Transfer · Conventional Mortgage
PROVIDENT CU
Apr 14, 2022Intrafamily Transfer, Transfer
Nov 03, 2020Grant Deed, Transfer · Conventional Mortgage
US BANK NA

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleMar 10, 2023 · Amount on Record
Deed SaleMar 10, 2023 · Amount on Record
Prior SaleNov 03, 2020 · Amount on Record
Deed Document Number202322577
Prior Transfer DateApr 14, 2022
Prior Transfer Doc0000065458
Record UpdatedSep 20, 2026

March 2023: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateMar 10, 2023
Property Address280 CASPER PL, SAN RAMON, CA 94583-3537
Document Number0000022577
Map ReferenceMB 110 PG 1
Instrument DateMar 01, 2023
Instrument2023-022577
Transaction TypeTransfer
Record UpdatedMar 20, 2023
Title CompanyCHICAGO TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property with Right of Survivorship
Address280 CASPER PL, SAN RAMON, CA 94583-3537

Mortgage

Document Number0000022578
DateMar 10, 2023
Instrument2023-022578
Lender
NamePROVIDENT CU
TypeCredit Union
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueApr 01, 2053
Interest
Rate TypeAdjustable Rate
Rate5.25%
Type Change DateApr 01, 2033
Change Frequency10 Years
Min Rate At Change2.25%
Max Rate At Change8.25%
Index10-Year TN
Margin2
Max Rate11.2%

April 2022: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateApr 14, 2022
Property Address280 CASPER PL, SAN RAMON, CA 94583-3537
Document Number0000065458
Map ReferenceMB 110 PG 1
Instrument DateApr 14, 2022
Instrument2022-065458
Transaction TypeTransfer
Record UpdatedJun 07, 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 Living Trust
Address18253 SWARTHMORE DR, SARATOGA, CA 95070-4714
InvestorPossibly a Property Investor

November 2020: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateNov 03, 2020
Property Address280 CASPER PL, SAN RAMON, CA 94583-3537
Document Number0000260992
Map ReferenceMB 110 PG 1
Instrument DateOct 28, 2020
Instrument2020-260992
Transaction TypeTransfer
Record UpdatedNov 03, 2022
Title CompanyCHICAGO TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property with Right of Survivorship
Address280 CASPER PL, SAN RAMON, CA 94583-3537
InvestorPossibly a Property Investor

Mortgage

Document Number0000260993
DateNov 03, 2020
Instrument2020-260993
Lender
NameUS BANK NA
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 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$1,412,467 (+2%) Land $1,061,208 Building $351,259
2025$15,840.00 (+30.78%)$1,384,772 (+33.26%) Land $1,040,400 Building $344,372
2023$12,112.00 (+0.72%)$1,039,151 Land $728,280 Building $310,871
2022$12,025.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it

Wildfire

Wildfire RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% annual chance
ExposureNone
beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · sampled at 350 locations within half a mile · Last verified October 2026

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 2,000
Unwired
Fixed Wireless		300 / 25
Verizon
Fixed Wireless		300 / 20
Etheric Communications, LLC.
Fixed Wireless		250 / 100
T-Mobile USA
Fixed Wireless		100 / 20
AT&T
Fixed Wireless · DSL · Fiber in parts of the area		100 / 20

Drinking Water

Source: EPA Safe Drinking Water Information System via ECHO, 2026 Q3 · EPA community water system boundaries v3.0, March 2026 · Last verified October 2026

Water SystemEAST BAY MUD
serves 1,468,000 people
Water SourceSurface water
Last State InspectionDec 2021
LeadUnder 1 ppb (2022–2024)
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them. The full violation and enforcement history is in the system's EPA record.

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