Contra Costa County property record for 810 Tampico, Walnut Creek, CA 94598
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 2.5 ba · 1,742 sqft · built 1974 |
| Lot Size | 0.043 acres (1,875 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $4,041 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 140-371-029-4 |
| Primary APN | 140-371-029-4 |
|---|---|
| Alternative APN |
|
| 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 |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 1986 |
| Architectural Style | Townhouse |
| Lot Area | 1,875 sqft (0.043 acres) |
| Garage Type | Attached |
| Garage Area | 413 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 810 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 36 |
| Legal Subdivision | MAP OF TRACT 4538 |
| Legal Tract | 4538 |
| Legal Lot Number | 36 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 343002 |
Source: Contra Costa County records · APN 140-371-029-4
Assessment roll updated July 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 810 TAMPICO, WALNUT CREEK, CA 94598-2931 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Walnut Creek City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $292,819 (+2%) Land $149,925 Building $142,894 | |
| 2025 | $4,041.00 (+4.5%) | $287,079 (+4.04%) Land $146,986 Building $140,093 |
| 2023 | $3,867.00 (+0.86%) | $275,933 Land $141,279 Building $134,654 |
| 2022 | $3,834.00 |
Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 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 |
| 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 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.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Radiate Holdings Cable · Fiber in parts of the area | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T DSL · Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Etheric Communications, LLC., Sonic Telecom.
Based on FCC filings for 301 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | EAST BAY MUD serves 1,468,000 people |
|---|---|
| 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
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