825 Bertram St, Walnut Creek, CA 94598 Property Records

Contra Costa County property record for 825 Bertram St, Walnut Creek, CA 94598

Property Summary

Property TypeSingle Family Home
Details4 bd · 3 ba · 3,503 sqft · built 1997
Lot Size0.999 acres (43,516 sqft)
Owner2 Individual Names on Record
Last Sale$2,750,000 (Mar 2026)
Tax Bill$26,510 (2025)
Deeds & MortgagesFeb 2024 Mortgage
Mar 2026 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN138-130-005

Property Details

APN / Parcel Number

Primary APN138-130-005
Alternative APN
  • 138-130-005-0

Interior

Bedrooms4 Beds
Full Baths3 Baths
Total Rooms10 Rooms
Stories2 Stories
Building Area3,503 sqft Living Area
1st Floor Area1,995 sqft
2nd Floor Area1,508 sqft

Exterior

Year BuiltBuilt 1997
Effective Year BuiltEffective 1998
Lot Area43,516 sqft (0.999 acres)
Garage TypeAttached
Garage Area792 sqft
Parking Spaces3 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address825 BERTRAM ST
CityWALNUT CREEK
StateCA
Zip94598-5150
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR40
Legal DescriptionT7353 L2
Legal SubdivisionSUBDIVISION 7353
Legal Tract7353
Legal Lot Number2
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group2
Census Block2000
Census Tract338302

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 Address825 BERTRAM ST, WALNUT CREEK, CA 94598-5150
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

Deeds, Mortgages & Sale History

DateDocument
Feb 14, 2024Deed of Trust, Mortgage · Conventional Mortgage
MORGAN STANLEY PRIVATE BANK NA
Mar 26, 2026Grant Deed, Transfer · Conventional Mortgage
PENNYMAC LOAN SERVICES LLC

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMar 26, 2026 · Amount on Record
Deed SaleMar 26, 2026 · Amount on Record
Prior SaleApr 28, 2006 · Amount on Record
Deed Document Number202629707
Prior Transfer DateMay 9, 2013
Prior Transfer Doc0000195275
Record UpdatedOct 29, 2026

February 2024: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address825 BERTRAM ST, WALNUT CREEK, CA 94598-5150
Transaction TypeMortgage
Record UpdatedApr 3, 2026
Title CompanyBOSTON NATIONAL TITLE AGENCY

Transferred To (Grantee/Buyer)

NameVerified Name
Address825 BERTRAM ST, WALNUT CREEK, CA 94598-5150

Mortgage

Document Number0000014176
DateFeb 14, 2024
Instrument2024-014176
Lender
NameMORGAN STANLEY PRIVATE BANK NA
TypeBank
AddressCINCINNATI, OH 45245
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueMar 1, 2054
Interest
Rate TypeAdjustable Rate
Rate6%
Type Change DateMar 1, 2034
Change Frequency6 Months
Min Rate At Change3%
Max Rate At Change11%
IndexSOFR Average 30-Day
Margin3
Max Rate11%

March 2026: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateMar 26, 2026
Property Address825 BERTRAM ST, WALNUT CREEK, CA 94598-5150
Document Number0000029707
Map ReferenceMB 358 PG 42
Instrument DateMar 20, 2026
Instrument2026- 029707
Transaction TypeTransfer
Record UpdatedApr 3, 2026
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
RelationshipRight of Survivorship
Address825 BERTRAM ST, WALNUT CREEK, CA 94598-5150

Mortgage

Document Number0000029708
DateMar 26, 2026
Instrument2026- 029708
Lender
NamePENNYMAC LOAN SERVICES LLC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueApr 1, 2056

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$2,530,078 (+8.68%) Land $1,304,697 Building $1,225,381
2025$26,510.00 (+5.64%) Homeowner's exemption$2,328,000 (+5.82%) Land $1,200,491 Building $1,127,509
2023$25,095.00 (+7.28%) Homeowner's exemption$2,200,000 Land $1,134,485 Building $1,065,515
2022$23,391.00

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 6 (20% premium discount)
Nearby Flood Policies2 in force
Nearby Flood Claims2 (1998–2016)
Most Recent ClaimMar 2016 · other causes

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 RiskHigh
above 74% of the US · above 50% of California
Wildfire Likelihood0.5% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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 110 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 250
Unwired
Fixed Wireless
300 / 25
Verizon
Fixed Wireless
300 / 20
AT&T
DSL
100 / 20

May also be available: Astound Broadband.

Cell Coverage

5G (outdoors only) and 4G LTE

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