819 Tampico, Walnut Creek, CA 94598 Property Records

Contra Costa County property record for 819 Tampico, Walnut Creek, CA 94598

Property Summary

Property Type	Townhouse
Details	3 bd · 2.5 ba · 1,742 sqft · built 1974
Lot Size	0.04 acres (1,750 sqft)
Owner	Company Name on Record
Tax Bill	$4,414 (2025)
Deeds & Mortgages	Jan 2021 Line of Credit Sep 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`140-372-036-8`

Property Details

APN / Parcel Number

Primary APN	`140-372-036-8`
Alternative APN	`140-372-036`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	1,742 sqft Living Area
1st Floor Area	817 sqft
2nd Floor Area	925 sqft

Exterior

Year Built	Built 1974
Effective Year Built	Effective 1995
Architectural Style	Townhouse
Lot Area	1,750 sqft (0.04 acres)
Garage Type	Attached
Garage Area	413 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	819 TAMPICO
City	WALNUT CREEK
State	CA
Zip	94598-2930
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Townhouse
Local Zoning Code	PUD
Legal Description	TRACT 4538 LOT 24
Legal Subdivision	MAP OF TRACT 4538
Legal Tract	4538
Legal Lot Number	24
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	819 TAMPICO, WALNUT CREEK, CA 94598-2930
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jan 7, 2021	Deed of Trust, Mortgage · Line of Credit BANK OF THE WEST
Sep 30, 2020	Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Jun 4, 2010
Transfer Doc	0000116542
Record Updated	Sep 20, 2026

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	819 TAMPICO, WALNUT CREEK, CA 94598-2930
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	FIRST AMERICAN TTL SANTA ANA

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	819 TAMPICO, WALNUT CREEK, CA 94598-2930

Mortgage

Document Number	0000004870
Date	Jan 7, 2021
Instrument	2021-004870

Lender

Name	BANK OF THE WEST
Type	Bank
Address	OMAHA, NE 68154

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Jan 1, 2051

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	819 TAMPICO, WALNUT CREEK, CA 94598-2930
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIDELITY TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	819 TAMPICO, WALNUT CREEK, CA 94598-2930

Mortgage

Document Number	0000221911
Date	Sep 30, 2020
Instrument	2020-221911

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company
Address	PONTIAC, MI 48341

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Oct 1, 2050

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		$340,669 (+2%) Land $125,545 Building $215,124
2025	$4,414.00 (+4.57%) Homeowner's exemption	$333,990 (+4.04%) Land $123,084 Building $210,906
2023	$4,221.00 (+0.91%) Homeowner's exemption	$321,022 Land $118,305 Building $202,717
2022	$4,183.00

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

Provider	Max Down / Up (Mbps)
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
AT&T DSL · Fixed Wireless in parts of the area	100 / 20

May also be available: Etheric Networks, Sonic Telecom.

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