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3859 Ayers Way, San Ramon, CA 94582 Property Records

Contra Costa County property record for 3859 Ayers Way, San Ramon, CA 94582

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.5 ba · 2,246 sqft · built 2004
Lot Size0.108 acres (4,685 sqft)
Owner2 Individual Names on Record
Last Sale$1,005,000 (Jul 2016)
Tax Bill$17,507 (2025)
Deeds & MortgagesNov 2020 Line of Credit
Sep 2020 Mortgage
Flood ZoneZone X (minimal risk)
APN223-280-042-1

Property Details

APN / Parcel Number

Primary APN223-280-042-1
Alternative APN
  • 223-280-042

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms9 Rooms
Stories2 Stories
Building Area2,246 sqft Living Area
1st Floor Area1,065 sqft
2nd Floor Area1,181 sqft

Exterior

Year BuiltBuilt 2004
Effective Year BuiltEffective 2004
Lot Area4,685 sqft (0.108 acres)
Garage TypeAttached
Garage Area466 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address3859 AYERS WAY
CitySAN RAMON
StateCA
Zip94582-5677
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT8712 L42
Legal SubdivisionSUBDIVISION 8712
Legal Tract8712
Legal Lot Number42
JurisdictionCONTRA COSTA CA
Township / Civil DivisionTASSAJARA
Census Block Group1
Census Block1002
Census Tract355125

Owner

Source: Contra Costa County records, as of July 14, 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 Record
Mailing Address3859 AYERS WAY, SAN RAMON, CA 94582-5677
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

Deeds, Mortgages & Sale History

DateDocument
Nov 9, 2020Deed of Trust, Mortgage · Line of Credit
PENTAGON FCU
Sep 2, 2020Deed of Trust, Mortgage · Conventional Mortgage
QUICKEN LOANS LLC

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJul 19, 2016 · Amount on Record
Deed SaleJul 19, 2016 · Amount on Record
Prior SaleOct 29, 2010 · Amount on Record
Deed Document Number2016143045
Record UpdatedOct 29, 2026

November 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address3859 AYERS WAY, SAN RAMON, CA 94582-5677
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyTITLE365

Transferred To (Grantee/Buyer)

NameVerified Name
Address3859 AYERS WAY, SAN RAMON, CA 94582-5677

Mortgage

Document Number0000267751
DateNov 9, 2020
Instrument2020-267751
Lender
NamePENTAGON FCU
TypeCredit Union
AddressMC LEAN, VA 22102
Agreement
TypeLine of Credit
AmountAmount Recorded
Term360 Months
DueNov 1, 2050
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

September 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address3859 AYERS WAY, SAN RAMON, CA 94582-5677
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyORANGE COAST TITLE CO

Transferred To (Grantee/Buyer)

NameVerified Name
Address3859 AYERS WAY, SAN RAMON, CA 94582-5677

Mortgage

Document Number0000191702
DateSep 2, 2020
Instrument2020-191702
Lender
NameQUICKEN LOANS LLC
TypeMortgage Company
AddressDETROIT, MI 48226
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueSep 1, 2050

Tax Assessment & Valuation

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$1,189,710 (+2%) Land $828,655 Building $361,055
2025$17,507.00 (+2.37%) Homeowner's exemption$1,166,383 (+4.04%) Land $812,407 Building $353,976
2023$17,102.00 (+1.83%) Homeowner's exemption$1,121,093 Land $780,861 Building $340,232
2022$16,795.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

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

Wildfire

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

Wildfire RiskModerate
above 69% of the US · above 44% of California
Wildfire Likelihood0.3% annual chance
ExposureIndirect
within ember reach

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 SystemDUBLIN SAN RAMON SERVICES DISTRICT
serves 98,776 people · EPA ID CA0110009
Water SourcePurchased surface water from ZONE 7 WATER AGENCY
Last State InspectionSep 2024
LeadUnder 1 ppb (2023–2025)
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 136 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Etheric Networks
Fixed Wireless		250 / 100
T-Mobile
Fixed Wireless		100 / 20
AT&T
DSL		100 / 20

May also be available: Unwired.

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