9425 Alcosta Blvd, San Ramon, CA 94583 Property Records

Contra Costa County property record for 9425 Alcosta Blvd, San Ramon, CA 94583

Property Summary

Property TypeSingle Family Home
Details4 bd · 2 ba · 2,013 sqft · built 1965
Lot Size0.24 acres (10,450 sqft)
Owner2 Individual Names on File
Last Sale$1,220,500 (Jan 2021)
Tax Bill$15,151 (2025)
Deeds & MortgagesOct 2019 Mortgage
Dec 2017 Transfer
+ 1 more
Flood ZoneZone X (minimal risk)
APN210-363-006-3

Property Details

APN / Parcel Number

Primary APN210-363-006-3
Alternative APN
  • 210-363-006

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms10 Rooms
Stories1 Story
Building Area2,013 sqft Living Area
1st Floor Area2,013 sqft

Exterior

Year BuiltBuilt 1965
Effective Year BuiltEffective 1975
Lot Area10,450 sqft (0.24 acres)
Garage TypeAttached
Garage Area539 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address9425 ALCOSTA BLVD
CitySAN RAMON
StateCA
Zip94583-3929
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionTRACT 3008 LOT 52 EX MR
Legal SubdivisionSUB 3008
Legal Tract3008
Legal Lot Number52
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group2
Census Block2005
Census Tract345103

Owner

9425 Alcosta Blvd is owned by two individuals who bought it in January 2021.

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

Owner of Record2 Individual Names on File
Mailing Address6126 LAKEVIEW CIR, SAN RAMON, CA 94582-4869
Owner TypeIndividual
VestingCommunity Property

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
Oct 8, 2019Deed of Trust, Mortgage · Conventional Mortgage
PROVIDENT CU
Dec 18, 2017Quit Claim Deed, Transfer
ATTORNEY ONLY
May 24, 2017Deed of Trust, Mortgage
PROVIDENT CU

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJan 11, 2021 · Amount on File
Deed SaleJan 11, 2021 · Amount on File
Prior SaleMay 25, 2006 · Amount on File
Deed Document Number20217398
Prior Transfer DateNov 10, 2017
Prior Transfer Doc0000236388
Record UpdatedOct 29, 2026

October 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address9425 ALCOSTA BLVD, SAN RAMON, CA 94583-3929
Document Number0000179643
Instrument DateOct 8, 2019
Transaction TypeMortgage
Record UpdatedOct 31, 2019
Title CompanyFIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipLiving Trust
Address9425 ALCOSTA BLVD SAN RAMON CA 945833929, SAN RAMON, CA 94583-3929

Mortgage

Document Number0000179643
DateOct 22, 2019
Instrument179643
Lender
NamePROVIDENT CU
TypeCredit Union
AddressREDWOOD CITY, CA 94065-1409
Agreement
TypeConventional Mortgage
AmountAmount on Record

December 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateDec 18, 2017
Property Address9425 ALCOSTA BLVD, SAN RAMON, CA 94583-3929
Document Number0000236388
Instrument DateNov 10, 2017
Instrument236388
Transaction TypeTransfer
Record UpdatedJan 3, 2018
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipLiving Trust
Address9435 ALCOSTA BLVD SAN RAMON CA 94583, SAN RAMON, CA 94583

May 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address9425 ALCOSTA BLVD, SAN RAMON, CA 94583-3929
Document Number0000097113
Instrument DateMay 24, 2017
Transaction TypeMortgage
Record UpdatedJun 20, 2017
Title CompanyFIDELITY NATIONAL TITLE, FIDELITY TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address9425 ALCOSTA BLVD SAN RAMON CA 945833929, SAN RAMON, CA 94583-3929

Mortgage

Document Number0000097113
DateJun 1, 2017
Instrument97113
Lender
NamePROVIDENT CU
TypeCredit Union
AddressREDWOOD CITY, CA 94065
Agreement
AmountAmount on Record
Term360 Months
DueMay 31, 2047

Tax Assessment & Valuation

The 2025 property tax bill for 9425 Alcosta Blvd was $15,151.

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

YearTax BillAssessed Value
2026$1,347,527 (+2%) Land $1,048,875 Building $298,652
2025$15,151.00$1,321,106 Land $1,028,309 Building $292,797
2023$14,622.00 (+0.73%)$1,269,808 Land $988,380 Building $281,428
2022$14,516.00

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

Flood

FEMA maps place 9425 Alcosta Blvd in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2022.

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
Flood Insurance CostPremium on File
median of 10 policies
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies10 in force
Nearby Flood Claims1 (2022)
Most Recent ClaimDec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides

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

Wildfire risk around 9425 Alcosta Blvd is moderate, ranking above 44% of the US, with a 0.07% annual chance of wildfire.

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

Wildfire RiskModerate
above 44% of the US · lower than 74% of California
Wildfire Likelihood0.07% annual chance
ExposureDirect
burnable vegetation

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 SystemEAST BAY MUD
serves 1,468,000 people · EPA ID CA0110005
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, 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 292 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 2,000
Verizon
Fixed Wireless
1,000 / 75
Unwired
Fixed Wireless
300 / 25
Etheric Networks
Fixed Wireless
250 / 100
T-Mobile
Fixed Wireless
100 / 20

May also be available: AT&T.

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