Contra Costa County property record for 4816 Alro Ave, Concord, CA 94521
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,426 sqft · built 1961 |
| Lot Size | 0.174 acres (7,560 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $330,000 (Oct 2012) |
| Tax Bill | $5,496 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 116-262-017-1 |
| Primary APN | 116-262-017-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,426 sqft Living Area |
| 1st Floor Area | 1,426 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 1961 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 7,560 sqft (0.174 acres) |
| Lot Dimensions | 105 ft deep x 72 ft wide |
| Garage Type | Attached |
| Garage Area | 380 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Wall Unit |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 4816 ALRO AVE |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-2117 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R7 |
| Legal Description | TRACT 2939 LOT 23 |
| Legal Subdivision | MAP OF SUBDIVISION #209 |
| Legal Tract | 2939 |
| Legal Lot Number | 23 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 333101 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 5060 CANYON CREST DR, SAN RAMON, CA 94582-4846 |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 4, 2012 · Amount on Record |
| Deed Sale | Oct 4, 2012 · Amount on Record |
| Deed Document Number | 2012244547 |
| Record Updated | Sep 20, 2026 |
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 | $414,483 (+2%) Land $238,642 Building $175,841 | |
| 2025 | $5,496.00 (+4.93%) | $406,357 (+4.04%) Land $233,963 Building $172,394 |
| 2023 | $5,238.00 (+1.55%) | $390,579 Land $224,879 Building $165,700 |
| 2022 | $5,158.00 |
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
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 94% of the US · lower than 96% 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 633 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 |
| AT&T DSL | 100 / 20 |
May also be available: Verizon.
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