Contra Costa County property record for 1988 Trinity Ave, Walnut Creek, CA 94596
| Property Type | Apartments (5+ Units) |
|---|---|
| Details | 20,548 sqft · built 2005 |
| Lot Size | 0.439 acres (19,122 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,200,000 (Mar 2005) |
| Tax Bill | $11,519 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 178-071-016-4 |
| Primary APN | 178-071-016-4 |
|---|---|
| Alternative APN |
|
| Total Rooms | 17 Rooms |
|---|---|
| Stories | 1 Story |
| Building Area | 20,548 sqft Living Area |
| 1st Floor Area | 20,548 sqft |
| Year Built | Built 2005 |
|---|---|
| Effective Year Built | Effective 2006 |
| Lot Area | 19,122 sqft (0.439 acres) |
| Garage Type | Carport |
| Carport | Carport |
| Parking Spaces | 20 Parking Spaces |
| Street Address | 1988 TRINITY AVE |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94596-4071 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Apartments (5+ Units) |
| Legal Description | STOWS ADDN POR LOTS 8 & 9 |
| Legal Subdivision | STOWS ADD |
| Legal Lot Number | 8,9 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 339003 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 1835 ALCATRAZ AVE, BERKELEY, CA 94703-2714 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 1, 2005 · Amount on Record |
| Deed Sale | Mar 1, 2005 · Amount on Record |
| Deed Document Number | 200569520 |
| Prior Transfer Date | Feb 24, 2005 |
| Prior Transfer Doc | 0000069521 |
| Record Updated | Oct 29, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Walnut Creek City |
| Secondary School District | Acalanes Union High School District (09 - 12) |
| Elementary School District | Walnut Creek Elementary School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $9,204,088 (+2.23%) Land $3,416,461 Building $5,787,627 | |
| 2025 | $11,519.00 (+3.05%) Additional exemption filed | $9,003,064 (+4.35%) Land $3,349,472 Building $5,653,592 |
| 2023 | $11,178.00 (-4.64%) Additional exemption filed | $8,628,019 Land $3,219,409 Building $5,408,610 |
| 2022 | $11,722.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 | 2 in force |
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 394 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Etheric Networks, Verizon.
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