Contra Costa County property record for 309 Cortsen Rd, Pleasant Hill, CA 94523
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 3 ba · 2,859 sqft · built 1988 |
| Lot Size | 0.209 acres (9,120 sqft) |
| Owner | Company Name on Record |
| Last Sale | $354,000 (Mar 1998) |
| Tax Bill | $9,970 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 166-380-002-5 |
| Primary APN | 166-380-002-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 2,859 sqft Living Area |
| 1st Floor Area | 1,541 sqft |
| 2nd Floor Area | 1,318 sqft |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 2005 |
| Lot Area | 9,120 sqft (0.209 acres) |
| Garage Type | Attached |
| Garage Area | 663 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 309 CORTSEN RD |
|---|---|
| City | PLEASANT HILL |
| State | CA |
| Zip | 94523-3154 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T6603 L2 |
| Legal Subdivision | WOODSIDE HILLS UNIT2 |
| Legal Tract | 6603 |
| Legal Lot Number | 2 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 326000 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 309 CORTSEN RD, PLEASANT HILL, CA 94523-3154 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 6, 1998 · Amount on Record |
| Deed Sale | Mar 6, 1998 · Amount on Record |
| Prior Sale | Jul 16, 1996 · Amount on Record |
| Deed Document Number | 199845953 |
| Last Transfer Date | Sep 10, 2016 |
| Transfer Doc | 0000255286 |
| Record Updated | Oct 29, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Pleasant Hill City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $833,969 (+2%) Land $260,575 Building $573,394 | |
| 2025 | $9,970.00 (+3.99%) Homeowner's exemption | $817,617 (+4.04%) Land $255,466 Building $562,151 |
| 2023 | $9,587.00 (+0.86%) Homeowner's exemption | $785,870 Land $245,547 Building $540,323 |
| 2022 | $9,505.00 |
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 · 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 |
| Community Rating System | Class 9 (5% premium discount) |
| Nearby Flood Policies | 3 in force |
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| 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 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 | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2021 |
| Lead | Under 1 ppb (2022–2024) 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 485 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL | 100 / 20 |
5G (outdoors only) and 4G LTE
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