321 Tampico, Walnut Creek, CA 94598 Property Records

Contra Costa County property record for 321 Tampico, Walnut Creek, CA 94598

Property Summary

Property Type	Townhouse
Details	4 bd · 2.5 ba · 1,729 sqft · built 1971
Lot Size	0.083 acres (3,600 sqft)
Owner	2 Individual Names on Record
Last Sale	$875,000 (Mar 2022)
Tax Bill	$11,035 (2025)
Deeds & Mortgages	Sep 2022 Mortgage Mar 2022 Sale & Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`140-361-001-5`

Property Details

APN / Parcel Number

Primary APN	`140-361-001-5`
Alternative APN	`140-361-001`

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
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1971
Effective Year Built	Effective 1979
Architectural Style	Townhouse
Lot Area	3,600 sqft (0.083 acres)
Garage Type	Attached
Garage Area	440 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Street Address	321 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 1
Legal Subdivision	SUBDIVISION 3753
Legal Tract	3753
Legal Lot Number	1
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	2 Individual Names on Record
Mailing Address	321 TAMPICO, WALNUT CREEK, CA 94598-2916
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Sep 8, 2022	Deed of Trust, Mortgage · Commercial Mortgage PNC BANK NA
Mar 17, 2022	Grant Deed, Transfer · Conventional Mortgage ROCKET MORTGAGE LLC
Sep 8, 2020	Affidavit of Death, Transfer ATTORNEY ONLY
Sep 8, 2020	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 17, 2022 · Amount on Record
Deed Sale	Mar 17, 2022 · Amount on Record
Deed Document Number	202248125
Prior Transfer Date	Aug 7, 2020
Prior Transfer Doc	0000196452
Record Updated	Sep 20, 2026

September 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	321 TAMPICO, WALNUT CREEK, CA 94598-2916
Transaction Type	Mortgage
Record Updated	Nov 3, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	321 TAMPICO, WALNUT CREEK, CA 94598-2916

Mortgage

Document Number	0000137026
Date	Sep 8, 2022
Instrument	2022-137026

Lender

Name	PNC BANK NA
Type	Bank
Address	DAYTON, OH 45401

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded
Term	479 Months
Due	Aug 14, 2062

March 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 17, 2022
Property Address	321 TAMPICO, WALNUT CREEK, CA 94598-2916
Document Number	0000048125
Map Reference	MB 136 PG 27-31
Instrument Date	Mar 11, 2022
Instrument	2022-048125
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	NOT AVAILABLE, DOMA TITLE OF CALIFORNIA INC

Transaction

Amount	Amount Recorded
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
Relationship	Community Property with Right of Survivorship
Address	321 TAMPICO, WALNUT CREEK, CA 94598-2916

Mortgage

Document Number	0000048126
Date	Mar 17, 2022
Instrument	2022-048126

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2052

September 2020: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 8, 2020
Property Address	321 TAMPICO, WALNUT CREEK, CA 94598-2916
Document Number	0000196451
Instrument Date	Aug 7, 2020
Instrument	196451
Transaction Type	Transfer
Record Updated	Oct 19, 2020
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4005 MICHELLE CT CONCORD CA 945211009, CONCORD, CA 94521-1009

September 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 8, 2020
Property Address	321 TAMPICO, WALNUT CREEK, CA 94598-2916
Document Number	0000196452
Instrument Date	Aug 7, 2020
Instrument	196452
Transaction Type	Transfer
Record Updated	Sep 24, 2020
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	4005 MICHELLE CT CONCORD CA 945211009, CONCORD, CA 94521-1009

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		$892,000 (-3.94%) Land $555,590 Building $336,410
2025	$11,035.00 (+4.09%) Homeowner's exemption	$928,556 (+4.04%) Land $578,358 Building $350,198
2023	$10,601.00 (+224.59%) Homeowner's exemption	$892,500 Land $555,900 Building $336,600
2022	$3,266.00

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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