833 Bertram St, Walnut Creek, CA 94598 Property Records

Contra Costa County property record for 833 Bertram St, Walnut Creek, CA 94598

Property Summary

Property Type	Single Family Home
Details	6 bd · 5 ba · 6,542 sqft · built 1997
Lot Size	0.965 acres (42,035 sqft)
Owner	2 Company Names on Record
Last Sale	$689,500 (Apr 1998)
Tax Bill	$20,081 (2025)
Deeds & Mortgages	Jul 2021 Line of Credit Mar 2021 Transfer + 2 more
Flood Zone	Zone X (minimal risk)
APN	`138-130-007-6`

Property Details

APN / Parcel Number

Primary APN	`138-130-007-6`
Alternative APN	`138-130-007`

Interior

Bedrooms	6 Beds
Full Baths	5 Baths
Total Rooms	14 Rooms
Stories	2 Stories
Building Area	6,542 sqft Living Area
1st Floor Area	3,639 sqft
2nd Floor Area	2,903 sqft

Exterior

Year Built	Built 1997
Effective Year Built	Effective 1998
Lot Area	42,035 sqft (0.965 acres)
Garage Type	Attached
Garage Area	1,000 sqft
Parking Spaces	4 Parking Spaces

Location & Zoning

Street Address	833 BERTRAM ST
City	WALNUT CREEK
State	CA
Zip	94598-5150
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R40
Legal Description	T7353 L4
Legal Subdivision	SUBDIVISION 7353
Legal Tract	7353
Legal Lot Number	4
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2000
Census Tract	338302

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 Record	2 Company Names on Record
Mailing Address	833 BERTRAM ST, WALNUT CREEK, CA 94598-5150
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jul 9, 2021	Deed of Trust, Mortgage · Line of Credit US BANK NA
Mar 23, 2021	Intrafamily Transfer, Transfer ACCOMMODATION
Mar 23, 2021	Intrafamily Transfer, Transfer · Conventional Mortgage ALLY BANK
Nov 14, 2019	Deed of Trust, Mortgage EMBRACE HM LOANS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 7, 1998 · Amount on Record
Deed Sale	Apr 7, 1998 · Amount on Record
Deed Document Number	199874049
Last Transfer Date	Mar 13, 2021
Transfer Doc	0000087518
Record Updated	Sep 20, 2026

July 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	833 BERTRAM ST, WALNUT CREEK, CA 94598-5150
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	SOLIDIFI

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	833 BERTRAM ST, WALNUT CREEK, CA 94598-5150

Mortgage

Document Number	0000195719
Date	Jul 9, 2021
Instrument	2021-195719

Lender

Name	US BANK NA
Type	Bank
Address	LA JOLLA, CA 92037

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

March 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 23, 2021
Property Address	833 BERTRAM ST, WALNUT CREEK, CA 94598-5150
Document Number	0000087520
Map Reference	MB 358 PG 42
Instrument Date	Mar 13, 2021
Instrument	2021-087520
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	ACCOMMODATION

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	833 BERTRAM ST, WALNUT CREEK, CA 94598-5150

March 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 23, 2021
Property Address	833 BERTRAM ST, WALNUT CREEK, CA 94598-5150
Document Number	0000087518
Map Reference	MB 358 PG 42
Instrument Date	Mar 13, 2021
Instrument	2021-087518
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	ACCOMODATION, ACCOMMODATION

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	833 BERTRAM ST, WALNUT CREEK, CA 94598-5150

Mortgage

Document Number	0000087519
Date	Mar 23, 2021
Instrument	2021-087519

Lender

Name	ALLY BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2051

November 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	833 BERTRAM ST, WALNUT CREEK, CA 94598-5150
Document Number	0000206650
Instrument Date	Nov 14, 2019
Transaction Type	Mortgage
Record Updated	Nov 28, 2019
Title Company	MORTGAGE INFORMATION SERVICES, MORTGAGE INFORMATION SVCS

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	833 BERTRAM ST WALNUT CREEK CA 945985150, WALNUT CREEK, CA 94598-5150

Mortgage

Document Number	0000206650
Date	Nov 19, 2019
Instrument	206650

Lender

Name	EMBRACE HM LOANS
Type	Funding / Finance Company
Address	MIDDLETOWN, RI 02842

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Nov 18, 2049

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Unified School District	Mount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,773,759 (+2%) Land $459,282 Building $1,314,477
2025	$20,081.00 (+3.94%)	$1,738,980 (+4.04%) Land $450,277 Building $1,288,703
2023	$19,320.00 (+10.02%)	$1,671,456 Land $432,794 Building $1,238,662
2022	$17,561.00

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 Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	2 in force
Nearby Flood Claims	2 (1998–2016)
Most Recent Claim	Mar 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 Risk	High above 70% of the US · above 45% of California
Wildfire Likelihood	0.3% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 System	CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003
Water Source	Surface water
Last State Inspection	Jan 2022
Lead	Under 1 ppb (2026–2028) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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

Provider	Max 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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