Contra Costa County property record for 834 Tampico, Walnut Creek, CA 94598
| Property Type | Townhouse |
|---|---|
| Details | 4 bd · 2.5 ba · 1,971 sqft · built 1974 |
| Lot Size | 0.043 acres (1,875 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $4,370 (2025) |
| Deeds & Mortgages | Aug 2023 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 140-371-041-9 |
| Primary APN | 140-371-041-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,971 sqft Living Area |
| 1st Floor Area | 817 sqft |
| 2nd Floor Area | 1,154 sqft |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 1977 |
| Architectural Style | Townhouse |
| Lot Area | 1,875 sqft (0.043 acres) |
| Garage Type | Attached |
| Garage Area | 412 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 834 TAMPICO |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94598-2931 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Local Zoning Code | PUD |
| Legal Description | TRACT 4538 LOT 48 |
| Legal Subdivision | SUBDIVISION 4538 |
| Legal Tract | 4538 |
| Legal Lot Number | 48 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 343002 |
834 Tampico, a townhouse, is owned by two individuals who acquired it in March 1997.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 127 DALEWOOD WAY, SAN FRANCISCO, CA 94127-1606 |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Mar 7, 1997 |
| Transfer Doc | 0000041660 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Aug 15, 2023 |
| Property Address | 834 TAMPICO, WALNUT CREEK, CA 94598-2931 |
| Document Number | 0000078488 |
| Map Reference | MB 166 PG 41 |
| Instrument Date | Feb 12, 2022 |
| Instrument | 2023-078488 |
| Transaction Type | Transfer |
| Record Updated | Aug 23, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 127 DALEWOOD WAY, SAN FRANCISCO, CA 94127-1606 |
The 2025 property tax bill for 834 Tampico was $4,370.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Walnut Creek City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $323,291 (+2%) Land $196,138 Building $127,153 | |
| 2025 | $4,370.00 | $316,953 Land $192,293 Building $124,660 |
| 2023 | $4,185.00 (+0.89%) | $304,647 Land $184,827 Building $119,820 |
| 2022 | $4,148.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 834 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 risk around 834 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.
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 |
| 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.
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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