Contra Costa County property record for 1431 Monument Blvd, Concord, CA 94520
| Property Type | Apartments (5+ Units) |
|---|---|
| Details | 25,240 sqft · built 1962 |
| Lot Size | 1.31 acres (57,194 sqft) |
| Owner | Company Name on File |
| Last Sale | $8,100,000 (Aug 2016) |
| Tax Bill | $147,506 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 128-270-050-7 |
| Primary APN | 128-270-050-7 |
|---|---|
| Alternative APN |
|
| Total Rooms | 48 Rooms |
|---|---|
| Stories | 1 Story |
| Building Area | 25,240 sqft Living Area |
| 1st Floor Area | 25,240 sqft |
| Year Built | Built 1962 |
|---|---|
| Effective Year Built | Effective 1980 |
| Lot Area | 57,194 sqft |
| Parking Spaces | 56 Parking Spaces |
| Street Address | 1431 MONUMENT BLVD |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94520-4347 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Apartments (5+ Units) |
| Local Zoning Code | M1 |
| Legal Description | POR RO MONTE DEL DIABLO |
| Legal Subdivision | RANCHO MONTE DEL DI |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 336202 |
1431 Monument Blvd, a residential property, is owned by a company that bought it in August 2016.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 2553, SAN FRANCISCO, CA 94126-2553 |
| Owner Type | Company |
| Vesting | 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 |
|---|---|
| Last Sale | Aug 17, 2016 · Amount on File |
| Deed Sale | Aug 17, 2016 · Amount on File |
| Prior Sale | May 1, 2015 · Amount on File |
| Deed Document Number | 2016164650 |
| Prior Transfer Date | Aug 10, 2016 |
| Prior Transfer Doc | 0000164650 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 1431 Monument Blvd was $147,506.
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 | $9,588,756 (+2%) Land $2,959,492 Building $6,629,264 | |
| 2025 | $147,506.00 | $9,400,742 Land $2,901,463 Building $6,499,279 |
| 2023 | $139,097.00 (+2.18%) | $9,035,702 Land $2,788,797 Building $6,246,905 |
| 2022 | $136,124.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1431 Monument Blvd in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 1431 Monument Blvd 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 747 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 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: T-Mobile.
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