Contra Costa County property record for 2731 Mount Diablo St, Concord, CA 94518
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1 ba · 1,078 sqft · built 1947 |
| Lot Size | 0.119 acres (5,184 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $180,000 (Sep 2011) |
| Tax Bill | $3,508 (2025) |
| Deeds & Mortgages | Aug 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 105-221-016-6 |
| Primary APN | 105-221-016-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,078 sqft Living Area |
| 1st Floor Area | 1,078 sqft |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1947 |
| Lot Area | 5,184 sqft (0.119 acres) |
| Street Address | 2731 MOUNT DIABLO ST |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94518-1034 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R6 |
| Legal Description | CRAWFORD VILLAGE LOT 8 BLK 7 |
| Legal Subdivision | CRAWFORD VILLAGE |
| Legal Block | 7 |
| Legal Lot Number | 8 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3010 |
| Census Tract | 335000 |
2731 Mount Diablo St is owned and occupied by two individuals who bought it in September 2011.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 2731 MOUNT DIABLO ST, CONCORD, CA 94518-1034 |
| 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 | Sep 28, 2011 · Amount on File |
| Deed Sale | Sep 28, 2011 · Amount on File |
| Deed Document Number | 2011199505 |
| Prior Transfer Date | Nov 16, 2000 |
| Prior Transfer Doc | 0000010205 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 2731 MOUNT DIABLO ST, CONCORD, CA 94518-1034 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | MORTGAGE INFORMATION SVCS |
| Name | Verified Name |
|---|---|
| Address | 2731 MOUNT DIABLO ST, CONCORD, CA 94518-1034 |
| Document Number | 0000215050 |
|---|---|
| Date | Aug 2, 2021 |
| Instrument | 2021-215050 |
| Name | CITIBANK NA |
|---|---|
| Type | Bank |
| Address | O FALLON, MO 63368 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Sep 1, 2051 |
The 2025 property tax bill for 2731 Mount Diablo St was $3,508.
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 | $230,598 (+2%) Land $192,169 Building $38,429 | |
| 2025 | $3,508.00 | $226,077 Land $188,401 Building $37,676 |
| 2023 | $3,323.00 (+1.96%) | $217,300 Land $181,086 Building $36,214 |
| 2022 | $3,259.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 2731 Mount Diablo St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2003.
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 |
| Nearby Flood Claims | 1 (2003) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 2003 · 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.
The area around 2731 Mount Diablo St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 468 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Sonic Telecom, Verizon.
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