3124 Mount Diablo St, Concord, CA 94518 Property Records

Contra Costa County property record for 3124 Mount Diablo St, Concord, CA 94518

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,130 sqft · built 1953
Lot Size0.115 acres (5,005 sqft)
OwnerIndividual Name on Record
Last Sale$718,000 (Apr 2026)
Tax Bill$9,048 (2025)
Deeds & MortgagesApr 2026 Sale & Mortgage
Aug 2023 Transfer
+ 4 more
Flood ZoneZone X (minimal risk)
APN105-187-027-5

Property Details

APN / Parcel Number

Primary APN105-187-027-5
Alternative APN
  • 105-187-027

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Stories1 Story
Building Area1,130 sqft Living Area
1st Floor Area1,130 sqft

Exterior

Year BuiltBuilt 1953
Effective Year BuiltEffective 1984
Lot Area5,005 sqft (0.115 acres)
Garage TypeAttached
Garage Area360 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address3124 MOUNT DIABLO ST
CityCONCORD
StateCA
Zip94518-1146
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR6
Legal DescriptionWILDWOOD MANOR LOT 91
Legal SubdivisionWILDWOOD MANOR
Legal Lot Number91
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group2
Census Block2007
Census Tract335000

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 RecordIndividual Name on Record
Mailing Address3124 MOUNT DIABLO ST, CONCORD, CA 94518-1146
OccupancyOwner Occupied
Owner TypeIndividual
VestingSingle Man

Deeds, Mortgages & Sale History

DateDocument
Apr 6, 2026Grant Deed, Transfer · VA Mortgage
USAA FSB
Aug 4, 2023Intrafamily Transfer, Transfer
Apr 1, 2021Grant Deed, Transfer · Conventional Mortgage
UNITED WHOLESALE MORTGAGE
Jul 8, 2020Deed of Trust, Mortgage · Conventional Mortgage
PROVIDENT CU
Aug 2, 2019Deed of Trust, Mortgage · Conventional Mortgage
QUICKEN LNS
Sep 25, 2017Deed of Trust, Mortgage · Conventional Mortgage
QUICKEN LNS

Assessor's Deed Record

Deed NamesName on Deed
Last SaleApr 6, 2026 · Amount on Record
Deed SaleApr 6, 2026 · Amount on Record
Prior SaleApr 1, 2021 · Amount on Record
Deed Document Number202634191
Transfer Doc0000028245
Record UpdatedOct 29, 2026

April 2026: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateApr 6, 2026
Property Address3124 MOUNT DIABLO ST, CONCORD, CA 94518-1146
Document Number0000034191
Instrument DateMar 25, 2026
Instrument202634191
Transaction TypeTransfer
Record UpdatedApr 15, 2026
Title CompanyFIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPAN

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$79,769.80
Amount AccuracyFull Amount Stated

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address3124 MOUNT DIABLO ST, CONCORD, CA 94518-1146

Mortgage

Document Number0000034192,
DateApr 6, 2026
Instrument202634192
Lender
NameUSAA FSB
Agreement
TypeVA Mortgage
AmountAmount Recorded
Term360 Months
DueMay 1, 2056
Interest
Rate6.01%
Max Rate-1%

August 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateAug 4, 2023
Property Address3124 MOUNT DIABLO ST, CONCORD, CA 94518-1146
Document Number0000074862
Map ReferenceMB 49 PG 37
Instrument DateAug 2, 2023
Instrument2023-074862
Transaction TypeTransfer
Record UpdatedAug 15, 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 Living Trust
Address3124 MOUNT DIABLO ST, CONCORD, CA 94518-1146

April 2021: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateApr 1, 2021
Property Address3124 MOUNT DIABLO ST, CONCORD, CA 94518-1146
Document Number0000098676
Map ReferenceMB 49 PG 37
Instrument DateMar 25, 2021
Instrument2021-098676
Transaction TypeTransfer
Record UpdatedNov 3, 2022
Title CompanyFIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV 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
RelationshipJoint Tenants
Address3124 MOUNT DIABLO ST, CONCORD, CA 94518-1146

Mortgage

Document Number0000098677
DateApr 1, 2021
Instrument2021-098677
Lender
NameUNITED WHOLESALE MORTGAGE
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueMay 1, 2051

July 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address3124 MOUNT DIABLO ST, CONCORD, CA 94518-1146
Document Number0000139041
Instrument DateJul 8, 2020
Transaction TypeMortgage
Record UpdatedJul 21, 2020
Title CompanyCHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transferred To (Grantee/Buyer)

NameVerified Name
Address3124 MOUNT DIABLO ST CONCORD CA 945181146, CONCORD, CA 94518-1146

Mortgage

Document Number0000139041
DateJul 13, 2020
Instrument139041
Lender
NamePROVIDENT CU
TypeCredit Union
AddressREDWOOD CITY, CA 94065
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term180 Months
DueJul 12, 2035

August 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address3124 MOUNT DIABLO ST, CONCORD, CA 94518-1146
Document Number0000125091
Instrument DateAug 2, 2019
Transaction TypeMortgage
Record UpdatedAug 15, 2019
Title CompanyAMROCK TITLE CA INC

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSole Owner
Address3124 MOUNT DIABLO ST CONCORD CA 945181146, CONCORD, CA 94518-1146

Mortgage

Document Number0000125091
DateAug 8, 2019
Instrument125091
Lender
NameQUICKEN LNS
TypeFunding / Finance Company
AddressDETROIT, MI 48226-1906
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term180 Months
DueAug 7, 2034

September 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address3124 MOUNT DIABLO ST, CONCORD, CA 94518-1146
Document Number0000182291
Instrument DateSep 25, 2017
Transaction TypeMortgage
Record UpdatedOct 10, 2017
Title CompanyTSI TITLE COMPANY/CA INC, TSI TITLE CO/CA INC

Transferred To (Grantee/Buyer)

NameVerified Name
Address3124 MOUNT DIABLO ST CONCORD CA 945181146, CONCORD, CA 94518-1146

Mortgage

Document Number0000182291
DateOct 5, 2017
Instrument182291
Lender
NameQUICKEN LNS
TypeFunding / Finance Company
AddressDETROIT, MI 48226-1906
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueOct 4, 2047

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityConcord City
Unified School DistrictMount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$750,771 (+2%) Land $529,957 Building $220,814
2025$9,048.00 (+4.53%) Homeowner's exemption$736,051 (+4.04%) Land $519,566 Building $216,485
2023$8,656.00 (+1.3%) Homeowner's exemption$707,472 Land $499,392 Building $208,080
2022$8,545.00

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 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 7 (15% premium discount)
Nearby Flood Policies6 in force
Nearby Flood Claims3 (1980–1998)
Most Recent ClaimMar 1998 · Severe Winter Storms And Flooding
Claims by Event
  • Severe Winter Storms And Flooding, Mar 1998 · 2 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

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

Wildfire RiskNot rated
no burnable land 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 SystemCONTRA COSTA WATER DISTRICT
serves 210,500 people · EPA ID CA0710003
Water SourceSurface water
Last State InspectionJan 2022
LeadUnder 1 ppb (2026–2028)
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 672 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Sonic Telecom
Fiber
10,000 / 10,000
AT&T
Fiber · DSL
5,000 / 5,000
Xfinity
Cable
2,000 / 250
Astound Broadband
Cable
1,500 / 50
Unwired
Fixed Wireless
300 / 25
T-Mobile
Fixed Wireless
100 / 20

May also be available: Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

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