Contra Costa County property record for 844 Tampico, Walnut Creek, CA 94598
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 2.5 ba · 1,742 sqft · built 1974 |
| Lot Size | 0.041 acres (1,800 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $4,213 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 140-371-046-8 |
| Primary APN | 140-371-046-8 |
|---|---|
| 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 |
| Gross Area | 2,155 sqft |
| 1st Floor Area | 817 sqft |
| 2nd Floor Area | 925 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Townhouse |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Material | Tile |
| Lot Area | 1,800 sqft (0.041 acres) |
| Garage Type | Attached |
| Garage Area | 413 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 844 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 53 |
| Legal Subdivision | MAP OF TRACT 4538 |
| Legal Tract | 4538 |
| Legal Lot Number | 53 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 343002 |
844 Tampico, a townhouse, is owner-occupied and held in a trust since April 2012.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 844 TAMPICO, WALNUT CREEK, CA 94598-2931 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
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 | Name on Deed |
|---|---|
| Last Transfer Date | Apr 30, 2012 |
| Transfer Doc | 0000104576 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 844 Tampico was $4,213 with a homeowner's exemption.
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 | $315,917 (+2%) Land $125,947 Building $189,970 | |
| 2025 | $4,213.00 Homeowner's exemption | $309,724 Land $123,478 Building $186,246 |
| 2023 | $4,031.00 (+0.93%) Homeowner's exemption | $297,699 Land $118,684 Building $179,015 |
| 2022 | $3,994.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 844 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 844 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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