620 Keith Ct, Walnut Creek, CA 94597 Property Records

Contra Costa County property record for 620 Keith Ct, Walnut Creek, CA 94597

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,624 sqft · built 1974
Lot Size	0.322 acres (14,040 sqft)
Owner	Company Name on Record
Last Sale	$297,500 (Jul 1994)
Tax Bill	$11,566 (2025)
Deeds & Mortgages	Feb 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`171-240-063-7`

Property Details

APN / Parcel Number

Primary APN	`171-240-063-7`
Alternative APN	`171-240-063`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,624 sqft Living Area
Gross Area	2,104 sqft
1st Floor Area	1,624 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1974
Effective Year Built	Effective 1975
Architectural Style	Ranch
Exterior Material	Wood Siding
Roof Material	Wood Shingle
Lot Area	14,040 sqft (0.322 acres)
Garage Type	Attached
Garage Area	480 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	620 KEITH CT
City	WALNUT CREEK
State	CA
Zip	94597-2508
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R8
Legal Description	TRACT 4185 LOT 14
Legal Subdivision	SUBDIVISION 4185
Legal Tract	4185
Legal Lot Number	14
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	4
Census Block	4004
Census Tract	340001

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	Company Name on Record
Mailing Address	620 KEITH CT, WALNUT CREEK, CA 94597-2508
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 11, 1994 · Amount on Record
Deed Sale	Jul 11, 1994 · Amount on Record
Deed Document Number	1994178068
Last Transfer Date	Feb 18, 2021
Transfer Doc	0000056650
Record Updated	Oct 29, 2026

February 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 24, 2021
Property Address	620 KEITH CT, WALNUT CREEK, CA 94597-2508
Document Number	0000056650
Map Reference	MB 149 PG 44
Instrument Date	Feb 18, 2021
Instrument	2021-056650
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	FIDELITY NATIONAL TITLE CO

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
Address	620 KEITH CT, WALNUT CREEK, CA 94597-2508

Mortgage

Document Number	0000056651
Date	Feb 24, 2021
Instrument	2021-056651

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

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

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$995,237 (+2%) Land $638,945 Building $356,292
2025	$11,566.00 (+4.07%) Homeowner's exemption	$975,723 (+4.04%) Land $626,417 Building $349,306
2023	$11,114.00 (+0.89%) Homeowner's exemption	$937,837 Land $602,094 Building $335,743
2022	$11,016.00

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 8 (10% premium discount)
Nearby Flood Policies	1 in force
Nearby Flood Claims	2 (1982–1986)
Most Recent Claim	Feb 1986 · Severe Storms & Flooding

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	Low lower than 99.8% of the US · lower than 99.8% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None 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 System	EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005
Water Source	Surface water
Last State Inspection	Dec 2021
Lead	Under 1 ppb (2022–2024) 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. 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 490 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Sonic Telecom Fiber	10,000 / 10,000
AT&T Fiber · DSL · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Astound Broadband Cable	1,500 / 50
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20

May also be available: T-Mobile.

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