Contra Costa County property record for 1543 Dianda Dr, Concord, CA 94521
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,892 sqft · built 1964 |
| Lot Size | 0.172 acres (7,500 sqft) |
| Owner | Trust Name on File |
| Last Sale | $250,000 (Jul 1999) |
| Tax Bill | $5,172 (2025) |
| Deeds & Mortgages | Aug 2022 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 115-413-001-5 |
| Primary APN | 115-413-001-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 1,892 sqft Living Area |
| 1st Floor Area | 1,892 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1964 |
|---|---|
| Effective Year Built | Effective 1964 |
| Lot Area | 7,500 sqft (0.172 acres) |
| Garage Type | Attached |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|
| Street Address | 1543 DIANDA DR |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-1949 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R7 |
| Legal Description | TRACT 3172 LOT 12 EX MR |
| Legal Subdivision | SUBDIVISION 3172 |
| Legal Tract | 3172 |
| Legal Lot Number | 12 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 333200 |
1543 Dianda Dr is owner-occupied and held in a trust since August 2015.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 1543 DIANDA DR, CONCORD, CA 94521-1949 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
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 | Jul 9, 1999 · Amount on File |
| Deed Sale | Jul 9, 1999 · Amount on File |
| Deed Document Number | 1999181209 |
| Last Transfer Date | Aug 29, 2015 |
| Transfer Doc | 0000187026 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 1543 DIANDA DR, CONCORD, CA 94521-1949 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 1543 DIANDA DR, CONCORD, CA 94521-1949 |
| Document Number | 0000126226 |
|---|---|
| Date | Aug 15, 2022 |
| Instrument | 2022-126226 |
| Name | SAFEAMERICA CU |
|---|---|
| Type | Credit Union |
| Address | PLEASANTON, CA 94588 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
The 2025 property tax bill for 1543 Dianda Dr was $5,172 with a homeowner's exemption.
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 | $391,744 (+2%) Land $153,781 Building $237,963 | |
| 2025 | $5,172.00 Homeowner's exemption | $384,064 Land $150,766 Building $233,298 |
| 2023 | $4,922.00 (+1.63%) Homeowner's exemption | $369,152 Land $144,912 Building $224,240 |
| 2022 | $4,843.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1543 Dianda Dr 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 1543 Dianda Dr 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 502 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures