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9933 Windsor Way, San Ramon, CA 94583 Property Records

Contra Costa County property record for 9933 Windsor Way, San Ramon, CA 94583

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,382 sqft · built 1976
Lot Size0.163 acres (7,100 sqft)
OwnerCompany Name on File
Tax Bill$2,772 (2025)
Deeds & MortgagesSep 2021 Mortgage
Aug 2018 Transfer
Flood ZoneZone X (minimal risk)
APN212-282-016-6

Property Details

APN / Parcel Number

Primary APN212-282-016-6
Alternative APN
  • 212-282-016

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms8 Rooms
Stories1 Story
Building Area1,382 sqft Living Area
Gross Area1,829 sqft
1st Floor Area1,382 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1976
Effective Year BuiltEffective 1978
Architectural StyleRanch
Exterior MaterialStucco
Construction TypeFrame
Roof MaterialWood Shingle
Lot Area7,100 sqft (0.163 acres)
Garage TypeAttached
Garage Area447 sqft
Parking Spaces2 Parking Spaces
Deck AreaDeck Area

Utilities, Heating & Cooling

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

Location & Zoning

Street Address9933 WINDSOR WAY
CitySAN RAMON
StateCA
Zip94583-2830
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionTRACT 4171 LOT 58
Legal SubdivisionSUBDIVISION 4171
Legal Tract4171
Legal Lot Number58
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group3
Census Block3000
Census Tract345102

Owner

Source: Contra Costa County records · APN 212-282-016-6

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 RecordCompany Name on File
Mailing Address9933 WINDSOR WAY, SAN RAMON, CA 94583-2830
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Sep 01, 2021Deed of Trust, Mortgage · Conventional Mortgage
AMERICAN PACIFIC MORTGAGE CORP
Aug 30, 2018Affidavit of Death, Transfer

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last Transfer DateMay 15, 2003
Transfer Doc0000262920
Record UpdatedSep 20, 2026

September 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address9933 WINDSOR WAY, SAN RAMON, CA 94583-2830
Transaction TypeMortgage
Record UpdatedNov 03, 2022
Title CompanyCHICAGO TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address9933 WINDSOR WAY, SAN RAMON, CA 94583-2830

Mortgage

Document Number0000244780
DateSep 01, 2021
Instrument2021-244780
Lender
NameAMERICAN PACIFIC MORTGAGE CORP
TypeMortgage Company
AddressROSEVILLE, CA 95661
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueSep 01, 2051

August 2018: Affidavit of Death, Transfer

Document TypeAffidavit of Death
JurisdictionCONTRA COSTA CA
Recording DateAug 30, 2018
Property Address9933 WINDSOR WAY, SAN RAMON, CA 94583-2830
Document Number0000139064
Instrument DateAug 27, 2018
Instrument139064
Transaction TypeTransfer
Record UpdatedSep 11, 2018

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address9933 WINDSOR WAY SAN RAMON CA 945832830, SAN RAMON, CA 94583-2830

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$167,246 (+2%) Land $44,805 Building $122,441
2025$2,772.00 (+4.8%) Homeowner's exemption$163,968 (+4.04%) Land $43,927 Building $120,041
2023$2,645.00 (+0.84%) Homeowner's exemption$157,603 Land $42,222 Building $115,381
2022$2,623.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 12, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · 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 as of December 31, 2025 · 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
DSL		100 / 20

Based on FCC filings for 633 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of 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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