331 Tampico, Walnut Creek, CA 94598 Property Records

Contra Costa County property record for 331 Tampico, Walnut Creek, CA 94598

Property Summary

Property Type	Townhouse
Details	4 bd · 2.5 ba · 1,729 sqft · built 1971
Lot Size	0.063 acres (2,755 sqft)
Owner	Company Name on Record
Tax Bill	$4,436 (2025)
Deeds & Mortgages	Mar 2026 Sale Oct 2018 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`140-361-006-4`

Property Details

APN / Parcel Number

Primary APN	`140-361-006-4`
Alternative APN	`140-361-006`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	1,729 sqft Living Area
1st Floor Area	840 sqft
2nd Floor Area	889 sqft

Exterior

Year Built	Built 1971
Effective Year Built	Effective 1972
Architectural Style	Townhouse
Lot Area	2,755 sqft (0.063 acres)
Lot Dimensions	85 ft deep x 28 ft wide
Garage Type	Attached
Garage Area	440 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	331 TAMPICO
City	WALNUT CREEK
State	CA
Zip	94598-2916
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Townhouse
Local Zoning Code	CDP
Legal Description	TRACT 3753 LOT 6 EX MR
Legal Subdivision	SUBDIVISION 3753 SAN MARCO UN
Legal Tract	3753
Legal Lot Number	6
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2002
Census Tract	343002

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	536 VERMONT ST, SAN FRANCISCO, CA 94107-2328
Owner Type	Company
Vesting	Limited Liability Partnership

Deeds, Mortgages & Sale History

Date	Document
Mar 16, 2026	Grant Deed, Transfer
Oct 26, 2018	Deed of Trust, Mortgage · Line of Credit CHEVRON FCU

Assessor's Deed Record

Deed Names	Name on Deed
Record Updated	Sep 20, 2026

March 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 16, 2026
Property Address	331 TAMPICO, WALNUT CREEK, CA 94598-2916
Document Number	0000025266
Map Reference	MB 136 PG 27 TO 31
Instrument Date	Mar 9, 2026
Instrument	2026- 025266
Transaction Type	Transfer
Record Updated	Mar 26, 2026

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	536 VERMONT ST, SAN FRANCISCO, CA 94107-2328

October 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	331 TAMPICO, WALNUT CREEK, CA 94598-2916
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	NORTH AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000175035
Date	Oct 26, 2018
Instrument	2018-175035

Lender

Name	CHEVRON FCU
Type	Credit Union
Address	OAKLAND, CA 94607

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	301 Months
Due	Nov 4, 2043

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

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		$329,360 (+2%) Land $83,196 Building $246,164
2025	$4,436.00 (+4.43%)	$322,903 (+4.04%) Land $81,565 Building $241,338
2023	$4,248.00 (+0.88%)	$310,366 Land $78,399 Building $231,967
2022	$4,211.00

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	3 in force
Nearby Flood Claims	1 (2004)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Jan 2004 · tidal / storm surge

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 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% 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	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 480 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	5,000 / 5,000
Xfinity Cable	2,000 / 250
Astound Broadband Cable · Fiber in parts of the area	1,500 / 50
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Etheric Networks.

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