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604 Ygnacio Valley Rd, Walnut Creek, CA 94596 Property Records

Contra Costa County property record for 604 Ygnacio Valley Rd, Walnut Creek, CA 94596

Property Summary

Property TypeService Station (Full Service)
Details1,876 sqft · built 1970
Lot Size0.31 acres (13,503 sqft)
Owner2 Trust Names on File
Last Sale$3,650,000 (Aug 2021)
Tax Bill$52,547 (2025)
Deeds & MortgagesApr 2022 Transfer
Aug 2021 Sale
+ 4 more
Flood ZoneZone X (minimal risk)
APN173-142-014-5

Property Details

APN / Parcel Number

Primary APN173-142-014-5
Alternative APN
  • 173-142-014

Interior

Stories1 Story
Building Area1,876 sqft Gross Area
1st Floor Area1,876 sqft

Exterior

Year BuiltBuilt 1970
Effective Year BuiltEffective 1970
Lot Area13,503 sqft (0.31 acres)

Location & Zoning

Street Address604 YGNACIO VALLEY RD
CityWALNUT CREEK
StateCA
Zip94596-3820
Property CategoryCommercial
Property TypeCommercial > Retail > Service Station (Full Service)
Legal DescriptionLARKEY ADDN POR LOTS 2 & 3
Legal SubdivisionLARKEY ADD
Legal Lot Number2,3
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group1
Census Block1011
Census Tract339004

Owner

604 Ygnacio Valley Rd, a commercial property, is held in a trust since April 2022.

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

Owner of Record2 Trust Names on File
Mailing Address2335 RUBICON CT, WALNUT CREEK, CA 94598-3432
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
Apr 28, 2022Intrafamily Transfer, Transfer
Aug 31, 2021Grant Deed, Transfer
CHICAGO TITLE COMPANY
Aug 31, 2021Intrafamily Transfer, Transfer · SBA Mortgage
MISSION VALLEY BANK
Jul 10, 2019Grant Deed, Transfer
UNIBANK
Nov 29, 2017Deed of Trust, Mortgage
CELTIC BK
Dec 7, 2017Quit Claim Deed, Transfer
CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleAug 31, 2021 · Amount on File
Deed SaleAug 31, 2021 · Amount on File
Prior SaleJul 10, 2019 · Amount on File
Deed Document Number2021244585
Last Transfer DateApr 11, 2022
Transfer Doc0000073440
Record UpdatedSep 20, 2026

April 2022: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateApr 28, 2022
Property Address604 YGNACIO VALLEY RD, WALNUT CREEK, CA 94596-3820
Document Number0000073440
Map ReferenceMB 1 PG 12
Instrument DateApr 11, 2022
Instrument2022-073440
Transaction TypeTransfer
Record UpdatedJun 7, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipFamily Trust
Address2335 RUBICON CT, WALNUT CREEK, CA 94598-3432

August 2021: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateAug 31, 2021
Property Address604 YGNACIO VALLEY RD, WALNUT CREEK, CA 94596-3820
Document Number0000244585
Map ReferenceMB 1 PG 12
Instrument DateAug 25, 2021
Instrument2021-244585
Transaction TypeTransfer
Record UpdatedMay 30, 2023
Title CompanyCHICAGO TITLE COMPANY

Transaction

AmountAmount on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address2335 RUBICON CT, WALNUT CREEK, CA 94598-3432

August 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateAug 31, 2021
Property Address604 YGNACIO VALLEY RD, WALNUT CREEK, CA 94596-3820
Document Number0000244584
Map ReferenceMB 1 PG 12
Instrument DateAug 23, 2021
Instrument2021-244584
Transaction TypeTransfer
Record UpdatedMay 30, 2023
Title CompanyCHICAGO TITLE COMPANY

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address2335 RUBICON CT, WALNUT CREEK, CA 94598-3432

Mortgage

Document Number0000244586
DateAug 31, 2021
Instrument2021-244586
Lender
NameMISSION VALLEY BANK
TypeBank
AddressSUN VALLEY, CA 91352
Agreement
TypeSBA Mortgage
AmountAmount on Record

July 2019: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateJul 10, 2019
Property Address604 YGNACIO VALLEY RD, WALNUT CREEK, CA 94596-3820
Document Number0000106462
Instrument DateJul 9, 2019
Instrument106462
Transaction TypeTransfer
Record UpdatedJul 16, 2019
Title CompanyFIRST AMERICAN TITLE

Transaction

AmountAmount on Record
Tax$1,650.00
Amount AccuracyFull Value
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address604 YGNACIO VALLEY RD WALNUT CREEK CA 945963820, WALNUT CREEK, CA 94596-3820

Mortgage

Document Number106463
DateJul 10, 2019
Instrument106463
Lender
NameUNIBANK
TypeBank
Address19315 HIGHWAY 99, LYNNWOOD, WA 98036-5251
Agreement
AmountAmount on Record
Interest
Rate TypeAdjustable Rate

November 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address604 YGNACIO VALLEY RD, WALNUT CREEK, CA 94596-3820
Document Number0000229799
Instrument DateNov 29, 2017
Transaction TypeMortgage
Record UpdatedNov 20, 2018
Title CompanyCHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address604 YGNACIO VALLEY RD WALNUT CREEK CA 945963820, WALNUT CREEK, CA 94596-3820

Mortgage

Document Number0000229799
DateDec 7, 2017
Instrument229799
Lender
NameCELTIC BK
TypeBank
AddressSALT LAKE CITY, UT 84111
Agreement
AmountAmount on Record
Term120 Months
DueDec 6, 2027
Interest
Rate TypeAdjustable Rate

December 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateDec 7, 2017
Property Address604 YGNACIO VALLEY RD, WALNUT CREEK, CA 94596-3820
Document Number0000229795
Instrument DateNov 14, 2017
Instrument229795
Transaction TypeTransfer
Record UpdatedDec 12, 2017
Title CompanyCHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer
  • Partial Interest

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address2316 WELSH CT WALNUT CREEK CA 945983433, WALNUT CREEK, CA 94598-3433

Tax Assessment & Valuation

The 2025 property tax bill for 604 Ygnacio Valley Rd was $52,547.

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityWalnut Creek City
Secondary School DistrictAcalanes Union High School District (09 - 12)
Elementary School DistrictWalnut Creek Elementary School District (KG - 08)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$2,679,018 (+2%) Land $2,164,864 Building $514,154
2025$52,547.00$2,626,489 Land $2,122,416 Building $504,073
2023$49,334.00 (+13.97%)$2,524,500 (+2%) Land $2,040,000 Building $484,500
2022$43,288.00$2,475,000 Land $2,000,000 Building $475,000

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

Flood

FEMA maps place 604 Ygnacio Valley Rd in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
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 604 Ygnacio Valley Rd is low, with a 0.01% annual chance of wildfire.

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

Wildfire RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% 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 SystemEAST BAY MUD
serves 1,468,000 people · EPA ID CA0110005
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, 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 158 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable · Fiber in parts of the area		2,000 / 250
Unwired
Fixed Wireless		300 / 25
AT&T
DSL · Fiber in parts of the area		100 / 20

May also be available: Astound Broadband, Etheric Networks, Sonic Telecom, T-Mobile, Verizon.

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