6599 Byron Ln, San Ramon, CA 94582 Property Records

Contra Costa County property record for 6599 Byron Ln, San Ramon, CA 94582

Property Summary

Property TypeSingle Family Home
Details3 bd · 2.5 ba · 1,675 sqft · built 2006
Lot Size0.074 acres (3,200 sqft)
Owner2 Individual Names on Record
Last Sale$618,000 (Sep 2012)
Tax Bill$13,017 (2025)
Deeds & MortgagesSep 2020 Mortgage
Aug 2021 Mortgage
+ 2 more
Flood ZoneZone X (minimal risk)
APN223-500-044-1

Property Details

APN / Parcel Number

Primary APN223-500-044-1
Alternative APN
  • 223-500-044

Interior

Bedrooms3 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms7 Rooms
Stories2 Stories
Building Area1,675 sqft Living Area
1st Floor Area775 sqft
2nd Floor Area900 sqft

Exterior

Year BuiltBuilt 2006
Effective Year BuiltEffective 2006
Lot Area3,200 sqft (0.074 acres)
Garage TypeAttached
Garage Area426 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address6599 BYRON LN
CitySAN RAMON
StateCA
Zip94582-5890
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT8780 L711
Legal SubdivisionSUBDIVISION 8780
Legal Tract8780
Legal Lot Number711
JurisdictionCONTRA COSTA CA
Township / Civil DivisionTASSAJARA
Census Block Group1
Census Block1000
Census Tract355123

Owner

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

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record2 Individual Names on Record
Mailing Address6599 BYRON LN, SAN RAMON, CA 94582-5890
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

DateDocument
Sep 22, 2020Deed of Trust, Mortgage · Conventional Mortgage
NETWORK CAPITAL FUNDING CORP
Aug 19, 2021Deed of Trust, Mortgage · Conventional Mortgage
PATELCO CU
May 24, 2022Deed of Trust, Mortgage · Line of Credit
PATELCO CU
Sep 27, 2021Intrafamily Transfer, Transfer · Conventional Mortgage
DIRECT FINANCE

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleSep 14, 2012 · Amount on Record
Deed SaleSep 14, 2012 · Amount on Record
Prior SaleJun 16, 2006 · Amount on Record
Deed Document Number2012224650
Last Transfer DateSep 20, 2021
Transfer Doc0000267442
Record UpdatedSep 20, 2026

September 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address6599 BYRON LN, SAN RAMON, CA 94582-5890
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyUNISOURCE TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address6599 BYRON LN, SAN RAMON, CA 94582-5890

Mortgage

Document Number0000211591
DateSep 22, 2020
Instrument2020-211591
Lender
NameNETWORK CAPITAL FUNDING CORP
TypeMortgage Company
AddressIRVINE, CA 92618
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueSep 1, 2050

August 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address6599 BYRON LN, SAN RAMON, CA 94582-5890
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyPLACER TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address6599 BYRON LN, SAN RAMON, CA 94582-5890

Mortgage

Document Number0000231271
DateAug 19, 2021
Instrument2021-231271
Lender
NamePATELCO CU
TypeCredit Union
AddressDUBLIN, CA 94568
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueSep 1, 2051
Interest
Rate TypeAdjustable Rate
Rate2.87%
Type Change DateSep 1, 2028
Change FrequencyAnnually
Min Rate At Change2.25%
Max Rate At Change4.87%
Index1-Year CMT
Max Rate8.87%

May 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address6599 BYRON LN, SAN RAMON, CA 94582-5890
Transaction TypeMortgage
Record UpdatedNov 3, 2022

Transferred To (Grantee/Buyer)

NameVerified Name
Address6599 BYRON LN, SAN RAMON, CA 94582-5890

Mortgage

Document Number0000088230
DateMay 24, 2022
Instrument2022-088230
Lender
NamePATELCO CU
TypeCredit Union
AddressDUBLIN, CA 94568
Agreement
TypeLine of Credit
AmountAmount Recorded
Term302 Months
DueJun 30, 2047
Interest
Rate TypeAdjustable Rate
Rate4%
Change FrequencyMonthly
IndexPrime Rate
Max Rate17%

September 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateSep 27, 2021
Property Address6599 BYRON LN, SAN RAMON, CA 94582-5890
Document Number0000267442
Map ReferenceMB 473 PG 21-27
Instrument DateSep 20, 2021
Instrument2021-267442
Transaction TypeTransfer
Record UpdatedNov 3, 2022
Title CompanyTWFG NATIONAL TITLE INSURANCE COMPANY, WFG NATIONAL TITLE INS CO

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address6599 BYRON LN, SAN RAMON, CA 94582-5890

Mortgage

Document Number0000267443
DateSep 27, 2021
Instrument2021-267443
Lender
NameDIRECT FINANCE
TypeNon-Lending Institution
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueOct 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$776,229 (+2%) Land $514,975 Building $261,254
2025$13,017.00 (+0.92%)$761,010 (+4.04%) Land $504,878 Building $256,132
2023$12,898.00 (+2.2%)$731,461 Land $485,274 Building $246,187
2022$12,620.00

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 RiskLow
lower than 62% of the US · lower than 77% of California
Wildfire Likelihood0.05% annual chance
ExposureNone
beyond 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 252 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · DSL 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
T-Mobile
Fixed Wireless
100 / 20

May also be available: Verizon.

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