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5520 Thayer Ln, San Ramon, CA 94582 Property Records

Contra Costa County property record for 5520 Thayer Ln, San Ramon, CA 94582

Property Summary

Property TypeSingle Family Home
Details5 bd · 4.5 ba · 3,686 sqft · built 2007
Lot Size0.147 acres (6,381 sqft)
Owner2 Trust Names on File
Last Sale$1,050,000 (Nov 2007)
Tax Bill$21,920 (2025)
Deeds & MortgagesJun 2018 Transfer
May 2017 Mortgage
Flood ZoneZone X (minimal risk)
APN223-770-026-1

Property Details

APN / Parcel Number

Primary APN223-770-026-1
Alternative APN
  • 223-770-026

Interior

Bedrooms5 Beds
Full Baths4.5 Baths
Half Baths1 Half Bath
Total Rooms12 Rooms
Stories2 Stories
Building Area3,686 sqft Living Area
1st Floor Area1,730 sqft
2nd Floor Area1,956 sqft

Exterior

Year BuiltBuilt 2007
Effective Year BuiltEffective 2007
Lot Area6,381 sqft (0.147 acres)
Garage TypeAttached
Garage Area629 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address5520 THAYER LN
CitySAN RAMON
StateCA
Zip94582-3066
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT8930 L612
Legal SubdivisionWINDEMERE SUB 8930
Legal Tract8930
Legal Lot Number612
JurisdictionCONTRA COSTA CA
Township / Civil DivisionTASSAJARA
Census Block Group2
Census Block2010
Census Tract355123

Owner

5520 Thayer Ln is owner-occupied and held in a trust since May 2018.

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

Owner of Record2 Trust Names on File
Mailing Address5520 THAYER LN, SAN RAMON, CA 94582-3066
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

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
Jun 5, 2018Quit Claim Deed, Transfer
ATTORNEY ONLY
May 9, 2017Intrafamily Transfer, Transfer · Conventional Mortgage
HOME POINT FINANCIAL CORPORATION

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleNov 20, 2007 · Amount on File
Deed SaleNov 20, 2007 · Amount on File
Deed Document Number2007319342
Last Transfer DateMay 26, 2018
Transfer Doc0000089368
Record UpdatedOct 29, 2026

June 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateJun 5, 2018
Property Address5520 THAYER LN, SAN RAMON, CA 94582-3066
Document Number0000089368
Instrument DateMay 26, 2018
Instrument89368
Transaction TypeTransfer
Record UpdatedJun 12, 2018
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address5520 THAYER LN SAN RAMON CA 945823066, SAN RAMON, CA 94582-3066

May 2017: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateMay 9, 2017
Property Address5520 THAYER LN, SAN RAMON, CA 94582-3066
Document Number0000080204
Map ReferenceMAP497 PG1-5
Instrument DateMay 4, 2017
Instrument2017-080204
Transaction TypeTransfer
Record UpdatedNov 3, 2022
Title CompanyWFG NATIONAL TITLE INS CO

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address5520 THAYER LN, SAN RAMON, CA 94582-3066
InvestorPossibly a Property Investor

Mortgage

Document Number0000080205
DateMay 9, 2017
Instrument2017-080205
Lender
NameHOME POINT FINANCIAL CORPORATION
TypeGovernment Agency
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term181 Months
DueJun 1, 2032

Tax Assessment & Valuation

The 2025 property tax bill for 5520 Thayer Ln was $21,920 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$1,461,827 (+2%) Land $808,890 Building $652,937
2025$21,920.00 Homeowner's exemption$1,433,165 Land $793,030 Building $640,135
2023$21,962.00 (+2.26%)$1,377,516 Land $762,237 Building $615,279
2022$21,477.00

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

Flood

FEMA maps place 5520 Thayer Ln in Zone X, an area of minimal flood risk.

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

Wildfire risk around 5520 Thayer Ln is high, ranking above 71% of the US, with a 0.4% annual chance of wildfire.

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

Wildfire RiskHigh
above 71% of the US · above 46% of California
Wildfire Likelihood0.4% 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 205 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · Fixed Wireless in parts of the area		5,000 / 5,000
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25
Etheric Networks
Fixed Wireless		250 / 100

May also be available: T-Mobile.

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