Contra Costa County property record for 150 Roslyn Dr, Concord, CA 94518
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,878 sqft · built 1948 |
| Lot Size | 0.2 acres (8,694 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $255,000 (Jun 2001) |
| Tax Bill | $2,809 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 105-083-018-9 |
| Primary APN | 105-083-018-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,878 sqft Living Area |
| 1st Floor Area | 1,878 sqft |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1952 |
| Lot Area | 8,694 sqft (0.2 acres) |
| Garage Type | Attached |
| Garage Area | 380 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 150 ROSLYN DR |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94518-1234 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R6 |
| Legal Description | BERKSHIRE VILLAGE LOT 34 |
| Legal Subdivision | BERKSHIRE VILLAGE |
| Legal Lot Number | 34 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 335000 |
150 Roslyn Dr is owned and occupied by two individuals who bought it in June 2001.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 150 ROSLYN DR, CONCORD, CA 94518-1234 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Jun 22, 2001 · Amount on File |
| Deed Sale | Jun 22, 2001 · Amount on File |
| Deed Document Number | 2001175805 |
| Prior Transfer Date | May 13, 1998 |
| Prior Transfer Doc | 0000112262 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 150 Roslyn Dr was $2,809 with a homeowner's exemption.
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 | $173,219 (+2%) Land $63,735 Building $109,484 | |
| 2025 | $2,809.00 Homeowner's exemption | $169,824 Land $62,486 Building $107,338 |
| 2023 | $2,646.00 (+2.32%) Homeowner's exemption | $163,231 Land $60,060 Building $103,171 |
| 2022 | $2,586.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 150 Roslyn Dr in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1996.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 36 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 36 in force |
| Nearby Flood Claims | 2 (1996–1998) |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
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.
Wildfire risk around 150 Roslyn Dr is low, with less than 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 98% of the US · lower than 98.4% 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 672 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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