Contra Costa County property record for 5434 Roundtree Ct, Apt A, Concord, CA 94521
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 2 ba · 1,130 sqft · built 1970 |
| Lot Size | 0.039 acres (1,677 sqft) |
| Owner | Company Name on File |
| Last Sale | $280,000 (Jun 2013) |
| Tax Bill | $4,796 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 120-392-040-8 |
| Primary APN | 120-392-040-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,130 sqft Living Area |
| 1st Floor Area | 1,130 sqft |
| Year Built | Built 1970 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Townhouse |
| Lot Area | 1,677 sqft (0.039 acres) |
| Garage Type | Attached |
| Garage Area | 200 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|
| Street Address | 5434 ROUNDTREE CT, A |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-3926 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Local Zoning Code | PUD |
| Legal Description | TRACT 3928 LOT 10 BLK 4 |
| Legal Subdivision | ROUNDTREE |
| Legal Tract | 3928 |
| Legal Block | 4 |
| Legal Lot Number | 10 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 355310 |
Source: Contra Costa County records · APN 120-392-040-8
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 | 3148 ROUNDHILL RD, ALAMO, CA 94507-1717 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jun 26, 2013 · Amount on Record |
| Deed Sale | Jun 26, 2013 · Amount on Record |
| Prior Sale | Dec 07, 2001 · Amount on Record |
| Deed Document Number | 2013161117 |
| Last Transfer Date | Aug 02, 2013 |
| Transfer Doc | 0000193659 |
| 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 | Concord 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 | $351,684 (+2%) Land $125,600 Building $226,084 | |
| 2025 | $4,796.00 (+5.13%) | $344,789 (+4.04%) Land $123,138 Building $221,651 |
| 2023 | $4,562.00 (+1.69%) | $331,402 Land $118,357 Building $213,045 |
| 2022 | $4,486.00 |
Source: FEMA National Flood Hazard Layer as of October 12, 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 |
| Wildfire Risk | Low lower than 67% of the US · lower than 81% of California |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; 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 |
| Radiate Holdings Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
Based on FCC filings for 588 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.
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