166 Avalon Ct, San Ramon, CA 94582 Property Records

Contra Costa County property record for 166 Avalon Ct, San Ramon, CA 94582

Property Summary

Property TypeSingle Family Home
Details5 bd · 4 ba · 3,387 sqft · built 2004
Lot Size0.189 acres (8,210 sqft)
Owner2 Individual Names on Record
Last Sale$865,000 (Nov 2010)
Tax Bill$18,594 (2025)
Deeds & MortgagesMay 2019 Line of Credit
Jun 2020 Mortgage
+ 1 more
Flood ZoneZone X (minimal risk)
APN223-330-030-6

Property Details

APN / Parcel Number

Primary APN223-330-030-6
Alternative APN
  • 223-330-030

Interior

Bedrooms5 Beds
Full Baths4 Baths
Total Rooms11 Rooms
Stories2 Stories
Building Area3,387 sqft Living Area
1st Floor Area1,744 sqft
2nd Floor Area1,643 sqft

Exterior

Year BuiltBuilt 2004
Effective Year BuiltEffective 2005
Lot Area8,210 sqft (0.189 acres)
Garage TypeAttached
Garage Area648 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address166 AVALON CT
CitySAN RAMON
StateCA
Zip94582-5718
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT8717 L427
Legal SubdivisionWINDEMERE
Legal Tract8717
Legal Lot Number427
JurisdictionCONTRA COSTA CA
Township / Civil DivisionTASSAJARA
Census Block Group2
Census Block2000
Census Tract355126

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 Address166 AVALON CT, SAN RAMON, CA 94582-5718
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

Deeds, Mortgages & Sale History

DateDocument
May 22, 2019Deed of Trust, Mortgage · Line of Credit
WELLS FARGO BANK NA
Jun 30, 2020Deed of Trust, Mortgage · Conventional Mortgage
UNITED WHOLESALE MORTGAGE
Feb 24, 2021Deed of Trust, Mortgage · Conventional Mortgage
QUICKEN LOANS LLC

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleNov 12, 2010 · Amount on Record
Deed SaleNov 12, 2010 · Amount on Record
Prior SaleMay 25, 2010 · Amount on Record
Deed Document Number2010253650
Last Transfer DateJul 13, 2012
Transfer Doc0000247850
Record UpdatedOct 29, 2026

May 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address166 AVALON CT, SAN RAMON, CA 94582-5718
Transaction TypeMortgage
Record UpdatedNov 3, 2022

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000074630
DateMay 22, 2019
Instrument2019-074630
Lender
NameWELLS FARGO BANK NA
TypeBank
AddressSIOUX FALLS, SD 57104
Agreement
TypeLine of Credit
AmountAmount Recorded
Term361 Months
DueJun 14, 2049

June 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address166 AVALON CT, SAN RAMON, CA 94582-5718
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyFIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000128182
DateJun 30, 2020
Instrument2020-128182
Lender
NameUNITED WHOLESALE MORTGAGE
TypeMortgage Company
AddressPONTIAC, MI 48341
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueJul 1, 2050

February 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address166 AVALON CT, SAN RAMON, CA 94582-5718
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyFIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address166 AVALON CT, SAN RAMON, CA 94582-5718

Mortgage

Document Number0000056940
DateFeb 24, 2021
Instrument2021-056940
Lender
NameQUICKEN LOANS LLC
TypeMortgage Company
AddressDETROIT, MI 48226
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueMar 1, 2051

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$1,130,367 (+2%) Land $535,126 Building $595,241
2025$18,594.00 (-0.7%)$1,108,204 (+4.04%) Land $524,634 Building $583,570
2023$18,725.00 (+2.51%)$1,065,173 Land $504,263 Building $560,910
2022$18,267.00

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 RiskHigh
above 79% of the US · above 57% of California
Wildfire Likelihood0.7% 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 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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