Contra Costa County property record for 2121 Shadow Lake Pl, Martinez, CA 94553
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 2.5 ba · 1,589 sqft · built 1983 |
| Lot Size | 0.131 acres (5,694 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $420,000 (Sep 2003) |
| Tax Bill | $7,640 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 155-491-008-1 |
| Primary APN | 155-491-008-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 1,589 sqft Living Area |
| 1st Floor Area | 826 sqft |
| 2nd Floor Area | 763 sqft |
| Year Built | Built 1983 |
|---|---|
| Effective Year Built | Effective 1984 |
| Architectural Style | Townhouse |
| Lot Area | 5,694 sqft (0.131 acres) |
| Garage Type | Attached |
| Garage Area | 430 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 2121 SHADOW LAKE PL |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-6410 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Local Zoning Code | R3 |
| Legal Description | T06303 L0016 B |
| Legal Tract | 06303 |
| Legal Lot Number | 16 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4007 |
| Census Tract | 321102 |
Source: Contra Costa County records · APN 155-491-008-1
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 2121 SHADOW LAKE PL, MARTINEZ, CA 94553-6410 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Sep 04, 2003 · Amount on Record |
| Deed Sale | Sep 04, 2003 · Amount on Record |
| Deed Document Number | 2003440922 |
| Prior Transfer Date | Sep 25, 2001 |
| Prior Transfer Doc | 0000294758 |
| 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 | Martinez 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 | $609,072 (+2%) Land $319,038 Building $290,034 | |
| 2025 | $7,640.00 (+4.13%) | $597,131 (+4.04%) Land $312,783 Building $284,348 |
| 2023 | $7,337.00 (+0.84%) | $573,945 Land $300,638 Building $273,307 |
| 2022 | $7,276.00 |
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 |
| Nearby Flood Policies | 2 in force |
| Wildfire Risk | Low lower than 97% of the US · lower than 97.8% 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 |
| Unwired Fixed Wireless | 300 / 25 |
| AT&T DSL | 100 / 20 |
May also be available: Verizon.
Based on FCC filings for 445 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 | CONTRA COSTA WATER DISTRICT serves 210,500 people |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2022 |
| Lead | Under 1 ppb (2026–2028) 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. The full violation and enforcement history is in the system's EPA record.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures