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9519 Alcosta Blvd, San Ramon, CA 94583 Property Records

Contra Costa County property record for 9519 Alcosta Blvd, San Ramon, CA 94583

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,899 sqft · built 1977
Lot Size0.228 acres (9,945 sqft)
Owner2 Individual Names on File
Last Sale$775,000 (Sep 2014)
Tax Bill$10,856 (2025)
Deeds & MortgagesSep 2018 Line of Credit
Flood ZoneZone X (minimal risk)
APN210-673-011-8

Property Details

APN / Parcel Number

Primary APN210-673-011-8
Alternative APN
  • 210-673-011

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms9 Rooms
Stories1 Story
Building Area1,899 sqft Living Area
Gross Area2,486 sqft
1st Floor Area1,899 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1977
Effective Year BuiltEffective 1978
Architectural StyleRanch
Exterior MaterialStucco
Construction TypeFrame
Roof MaterialWood Shingle
Lot Area9,945 sqft (0.228 acres)
Garage TypeAttached
Garage Area587 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Heating SystemForced Air with A/C
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address9519 ALCOSTA BLVD
CitySAN RAMON
StateCA
Zip94583-3602
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT04440 L0004 B EX MR
Legal SubdivisionSUBDIVISION 4440
Legal Tract04440
Legal Lot Number4
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group2
Census Block2005
Census Tract345103

Owner

9519 Alcosta Blvd is owned and occupied by two individuals who bought it in September 2014.

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

Owner of Record2 Individual Names on File
Mailing Address9519 ALCOSTA BLVD, SAN RAMON, CA 94583-3602
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

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

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleSep 8, 2014 · Amount on File
Deed SaleSep 8, 2014 · Amount on File
Deed Document Number2014151580
Prior Transfer DateMar 19, 2014
Prior Transfer Doc0000044668
Record UpdatedSep 20, 2026

September 2018: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address9519 ALCOSTA BLVD, SAN RAMON, CA 94583-3602
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyNORTH AMERICAN TITLE COMPANY

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000149682
DateSep 19, 2018
Instrument2018-149682
Lender
NameSAFEAMERICA CU
TypeCredit Union
AddressPLEASANTON, CA 94588
Agreement
TypeLine of Credit
AmountAmount on Record
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

Tax Assessment & Valuation

The 2025 property tax bill for 9519 Alcosta Blvd was $10,856 with a homeowner's exemption.

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$950,052 (+2%) Land $643,586 Building $306,466
2025$10,856.00 Homeowner's exemption$931,424 Land $630,967 Building $300,457
2023$10,470.00 (+0.74%) Homeowner's exemption$895,258 Land $606,467 Building $288,791
2022$10,393.00

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

Flood

FEMA maps place 9519 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 9519 Alcosta Blvd is low, with a 0.04% annual chance of wildfire.

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

Wildfire RiskLow
lower than 67% of the US · lower than 81% of California
Wildfire Likelihood0.04% 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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