Contra Costa County property record for 3339 Wren Ave, Concord, CA 94519
| Property Type | Public School (Administration, Campus, Dorms, Instruction) |
|---|---|
| Details | built 1953 |
| Lot Size | 10.2 acres (447,143 sqft) |
| Owner | Company Name on File |
| Tax Bill | $50 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 113-052-003-2 |
| Primary APN | 113-052-003-2 |
|---|---|
| Alternative APN |
|
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1953 |
| Lot Area | 447,143 sqft |
| View / Lot | Canal |
| Street Address | 3339 WREN AVE |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94519-2328 |
| Property Category | Public Works |
| Property Type | Public Works > Public School (Administration, Campus, Dorms, Instruction) |
| Legal Description | POR WALNUT LANDS #2 & TR ADJ |
| Legal Subdivision | WALNUT LANDS #2 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 331000 |
3339 Wren Ave, a public works property, is owned by a company.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1936 CARLOTTA DR, CONCORD, CA 94519-1358 |
| Owner Type | 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 |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 3339 Wren Ave was $50.
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 | $2,494,591 (+2%) Land $446,377 Building $2,048,214 | |
| 2025 | $50.00 | $2,445,678 Land $437,625 Building $2,008,053 |
| 2023 | $50.00 | $2,350,712 Land $420,633 Building $1,930,079 |
| 2022 | $50.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3339 Wren Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AO, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 12 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 12 in force |
| Nearby Flood Claims | 6 (1982–2014) |
| Claims Outside the SFHA | 1 of 6 |
| Most Recent Claim | Dec 2014 · rainfall accumulation |
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 3339 Wren Ave is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 95% of the US · lower than 97% of California |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | Direct burnable vegetation |
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 632 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| 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 Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
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