Contra Costa County property record for 2003 Lost Lake Pl, Martinez, CA 94553 · Last verified July 2026
| Property Type | Townhouse |
|---|---|
| Details | 2 bd · 2 ba · 1,018 sqft · built 1984 |
| Lot Size | 0.037 acres (1,612 sqft) |
| Owner | Company Name on File |
| Last Sale | $385,000 (Dec 2014) |
| Tax Bill | $6,056 (2025) |
| Deeds & Mortgages | Mar 2021 Mortgage Mar 2021 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 155-510-040-1 |
| Primary APN | 155-510-040-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,018 sqft Living Area |
| 1st Floor Area | 725 sqft |
| 2nd Floor Area | 293 sqft |
| Year Built | Built 1984 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Townhouse |
| Lot Area | 1,612 sqft (0.037 acres) |
| Garage Type | Attached |
| Garage Area | 483 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 2003 LOST LAKE PL |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-6421 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Legal Description | T06302 L0040 B |
| Legal Subdivision | SUBDIVISION 6302 |
| Legal Tract | 06302 |
| Legal Lot Number | 40 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 321102 |
Source: Contra Costa County records · APN 155-510-040-1
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 | Company Name on File |
|---|---|
| Mailing Address | 2003 LOST LAKE PL, MARTINEZ, CA 94553-6421 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Mar 05, 2021 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC |
| Mar 09, 2021 | Intrafamily Transfer, Transfer |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Dec 17, 2014 · Amount on Record |
| Deed Sale | Dec 17, 2014 · Amount on Record |
| Prior Sale | Sep 29, 2000 · Amount on Record |
| Deed Document Number | 2014223797 |
| Last Transfer Date | Mar 03, 2021 |
| Transfer Doc | 0000071596 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 2003 LOST LAKE PL, MARTINEZ, CA 94553-6421 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | AMROCK TITLE CALIFORNIA INC |
| Name | Verified Name |
|---|---|
| Address | 2003 LOST LAKE PL, MARTINEZ, CA 94553-6421 |
| Document Number | 0000067200 |
|---|---|
| Date | Mar 05, 2021 |
| Instrument | 2021-067200 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 359 Months |
| Due | Feb 01, 2051 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Mar 09, 2021 |
| Property Address | 2003 LOST LAKE PL, MARTINEZ, CA 94553-6421 |
| Document Number | 0000071596 |
| Map Reference | MB 271 PG 24 |
| Instrument Date | Mar 03, 2021 |
| Instrument | 2021-071596 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 2003 LOST LAKE PL, MARTINEZ, CA 94553-6421 |
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 | $471,959 (+2%) Land $245,174 Building $226,785 | |
| 2025 | $6,056.00 (+4.27%) Homeowner's exemption | $462,706 (+4.04%) Land $240,367 Building $222,339 |
| 2023 | $5,808.00 (+0.87%) Homeowner's exemption | $444,740 Land $231,034 Building $213,706 |
| 2022 | $5,758.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133211021, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Community Rating System | Class 9 (5% premium discount) |
| Nearby Flood Policies | 1 in force |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| 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, availability as of December 31, 2025 · Published October 2026 · based on 445 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 250 |
| Unwired | Fixed Wireless | 300 / 25 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.
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