Contra Costa County property record for 5518 Roundtree Dr, Apt B, Concord, CA 94521
| Property Type | Townhouse |
|---|---|
| Details | 2 bd · 1.5 ba · 973 sqft · built 1971 |
| Lot Size | 0.016 acres (684 sqft) |
| Owner | Company Name on File |
| Last Sale | $41,000 (Mar 2012) |
| Tax Bill | $2,240 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 120-262-078-5 |
| Primary APN | 120-262-078-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 973 sqft Living Area |
| 1st Floor Area | 492 sqft |
| 2nd Floor Area | 481 sqft |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1972 |
| Architectural Style | Townhouse |
| Lot Area | 684 sqft (0.016 acres) |
| Garage Type | Attached |
| Garage Area | 200 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|
| Street Address | 5518 ROUNDTREE DR, B |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-3934 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Local Zoning Code | PD |
| Legal Description | TRACT 3931 LOT 13 BLK 24 |
| Legal Subdivision | ROUNDTREE UNIT FOUR |
| Legal Tract | 3931 |
| Legal Block | 24 |
| Legal Lot Number | 13 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 355310 |
5518 Roundtree Dr, Apt B is owned by a company that bought it in March 2012.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 2318, ORINDA, CA 94563-6718 |
| Owner Type | Company |
| Vesting | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 21, 2012 · Amount on File |
| Deed Sale | Mar 21, 2012 · Amount on File |
| Prior Sale | Jan 30, 2012 · Amount on File |
| Deed Document Number | 201265488 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 5518 Roundtree Dr, Apt B was $2,240.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Concord City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $115,290 (+2%) Land $51,239 Building $64,051 | |
| 2025 | $2,240.00 | $113,031 Land $50,235 Building $62,796 |
| 2023 | $2,100.00 (+2.69%) | $108,643 Land $48,285 Building $60,358 |
| 2022 | $2,045.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 5518 Roundtree Dr, Apt B in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 5518 Roundtree Dr, Apt B is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 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 588 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
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