Contra Costa County property record for 517 Tierney Pl, Martinez, CA 94553
| Property Type | Condominium |
|---|---|
| Details | 3 bd · 2.5 ba · 1,630 sqft · built 2016 |
| Lot Size | 0.021 acres (903 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $454,000 (Feb 2018) |
| Tax Bill | $6,980 (2025) |
| Deeds & Mortgages | Dec 2024 Mortgage May 2023 Construction Loan + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 161-590-020-4 |
| Primary APN | 161-590-020-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,630 sqft Living Area |
| 1st Floor Area | 730 sqft |
| 2nd Floor Area | 828 sqft |
| Basement Area | 72 sqft |
| Year Built | Built 2016 |
|---|---|
| Effective Year Built | Effective 2017 |
| Architectural Style | Condo/Apartment |
| Lot Area | 903 sqft (0.021 acres) |
| Garage Type | Attached |
| Garage Area | 747 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 517 TIERNEY PL |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-4436 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | T9025 L1 B7 U20 |
| Legal Subdivision | VILLAGE/ARNOLD SUB 9025 |
| Legal Tract | 9025 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4014 |
| Census Tract | 320004 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 517 TIERNEY PL, MARTINEZ, CA 94553-4436 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Dec 10, 2024 | Deed of Trust, Mortgage · Closed-End Mortgage US BANK NA |
| May 17, 2023 | Deed of Trust, Mortgage · Construction Mortgage US BANK NA |
| Feb 22, 2018 | Grant Deed, Transfer OLD REPUBLIC TITLE |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 22, 2018 · Amount on Record |
| Deed Sale | Feb 22, 2018 · Amount on Record |
| Deed Document Number | 201827398 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 517 TIERNEY PL, MARTINEZ, CA 94553-4436 |
| Transaction Type | Mortgage |
| Record Updated | Sep 30, 2025 |
| Title Company | RADIAN SETTLEMENT SERVICES INC, RADIAN SETTLEMENT SERVICES |
| Name | Verified Name |
|---|---|
| Address | 517 TIERNEY PL, MARTINEZ, CA 94553-4436 |
| Document Number | 0000132130 |
|---|---|
| Date | Dec 10, 2024 |
| Instrument | 2024- 132130 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | 9380 EXCELSIOR BLVD, HOPKINS, MN 55343 |
| Type | Closed-End Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 240 Months |
| Due | Dec 16, 2044 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 517 TIERNEY PL, MARTINEZ, CA 94553-4436 |
| Transaction Type | Mortgage |
| Record Updated | Sep 30, 2025 |
| Title Company | RADIAN SETTLEMENT SERVICES INC, RADIAN SETTLEMENT SERVICES |
| Name | Verified Name |
|---|---|
| Address | 517 TIERNEY PL, MARTINEZ, CA 94553-4436 |
| Document Number | 0000046645 |
|---|---|
| Date | May 17, 2023 |
| Instrument | 2023-046645 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | CINCINNATI, OH 45202 |
| Type | Construction Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 179 Months |
| Due | Apr 18, 2038 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Feb 22, 2018 |
| Property Address | 517 TIERNEY PL, MARTINEZ, CA 94553-4436 |
| Document Number | 0000027398 |
| Map Reference | MB 521 PG 29-32 |
| Instrument Date | Feb 15, 2018 |
| Instrument | 2018-027398 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | OLD REPUBLIC TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 517 TIERNEY PL, MARTINEZ, CA 94553-4436 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Martinez City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $526,783 (+2%) Land $185,691 Building $341,092 | |
| 2025 | $6,980.00 (+4.87%) | $516,454 (+4.04%) Land $182,050 Building $334,404 |
| 2023 | $6,656.00 (+1.85%) | $496,402 Land $174,982 Building $321,420 |
| 2022 | $6,535.00 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 96% of the US · lower than 97.4% of California |
|---|---|
| Wildfire Likelihood | Under 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 | CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003 |
|---|---|
| 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, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 334 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Astound Broadband.
5G (outdoors only) and 4G LTE
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