846 Tampico, Walnut Creek, CA 94598 Property Records

Contra Costa County property record for 846 Tampico, Walnut Creek, CA 94598

Property Summary

Property Type	Townhouse
Details	4 bd · 2.5 ba · 1,784 sqft · built 1974
Lot Size	0.041 acres (1,800 sqft)
Owner	Individual Name on File
Last Sale	$1,014,000 (Jan 2022)
Tax Bill	$11,293 (2025)
Deeds & Mortgages	Jan 2022 Transfer Jan 2022 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`140-371-047-6`

Property Details

APN / Parcel Number

Primary APN	`140-371-047-6`
Alternative APN	`140-371-047`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	1,784 sqft Living Area
1st Floor Area	827 sqft
2nd Floor Area	957 sqft

Exterior

Year Built	Built 1974
Effective Year Built	Effective 2000
Architectural Style	Townhouse
Lot Area	1,800 sqft (0.041 acres)
Garage Type	Attached
Garage Area	403 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	846 TAMPICO
City	WALNUT CREEK
State	CA
Zip	94598-2931
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Townhouse
Local Zoning Code	PD
Legal Description	TRACT 4538 LOT 54
Legal Subdivision	SUBDIVISION 4538
Legal Tract	4538
Legal Lot Number	54
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2005
Census Tract	343002

Owner

846 Tampico, a townhouse, is owned and occupied by an individual who bought it in January 2022.

Source: Contra Costa County records, as of October 2, 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 Record	Individual Name on File
Mailing Address	846 TAMPICO, WALNUT CREEK, CA 94598-2931
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jan 18, 2022	Intrafamily Transfer, Transfer CHICAGO TITLE COMPANY
Jan 18, 2022	Grant Deed, Transfer · Conventional Mortgage JPMORGAN CHASE BANK NA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jan 18, 2022 · Amount on File
Deed Sale	Jan 18, 2022 · Amount on File
Prior Sale	Jun 13, 2001 · Amount on File
Deed Document Number	202210358
Prior Transfer Date	Feb 20, 1998
Prior Transfer Doc	0000042753
Record Updated	Oct 29, 2026

January 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 18, 2022
Property Address	846 TAMPICO, WALNUT CREEK, CA 94598-2931
Document Number	0000010359
Map Reference	MB 166 PG 41
Instrument Date	Jan 13, 2022
Instrument	2022-010359
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	CHICAGO TITLE COMPANY

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	846 TAMPICO WALNUT CREEK, WALNUT CREEK, CA 94598

January 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 18, 2022
Property Address	846 TAMPICO, WALNUT CREEK, CA 94598-2931
Document Number	0000010358
Map Reference	MB 166 PG 41
Instrument Date	Jan 13, 2022
Instrument	2022-010358
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	846 TAMPICO, WALNUT CREEK, CA 94598-2931

Mortgage

Document Number	0000010360
Date	Jan 18, 2022
Instrument	2022-010360

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Feb 1, 2052

Tax Assessment & Valuation

The 2025 property tax bill for 846 Tampico was $11,293.

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		$911,000 (-3.6%) Land $592,959 Building $318,041
2025	$11,293.00	$945,000 Land $615,090 Building $329,910
2023	$10,530.00 (+63.41%)	$879,000 Land $572,000 Building $307,000
2022	$6,444.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 846 Tampico in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2004.

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

Wildfire risk around 846 Tampico is low, with a 0.01% annual chance of 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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