Contra Costa County property record for 1597 Dianda Dr, Concord, CA 94521
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,892 sqft · built 1964 |
| Lot Size | 0.191 acres (8,316 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $350,000 (Aug 2002) |
| Tax Bill | $7,244 (2025) |
| Deeds & Mortgages | Mar 2024 Second Mortgage Jul 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 115-434-001 |
| Primary APN | 115-434-001 |
|---|---|
| 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 |
| Year Built | Built 1964 |
|---|---|
| Effective Year Built | Effective 1965 |
| Lot Area | 8,316 sqft (0.191 acres) |
| Garage Type | Attached |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 1597 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 3227 LOT 114 EX MR |
| Legal Subdivision | SUBDIVISION 3227 |
| Legal Tract | 3227 |
| Legal Lot Number | 114 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 333200 |
Source: Contra Costa County records · APN 115-434-001
Assessment roll updated July 14, 2026 · Last verified July 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 File |
|---|---|
| Mailing Address | 1597 DIANDA DR, CONCORD, CA 94521-1949 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Mar 11, 2024 | Deed of Trust, Mortgage · Stand-Alone Second Mortgage PENNYMAC LOAN SERVICES LLC |
| Jul 29, 2021 | Deed of Trust, Mortgage · Conventional Mortgage AXOS BANK |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Aug 26, 2002 · Amount on Record |
| Deed Sale | Aug 26, 2002 · Amount on Record |
| Deed Document Number | 2002297991 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 1597 DIANDA DR, CONCORD, CA 94521-1949 |
| Transaction Type | Mortgage |
| Record Updated | Mar 20, 2024 |
| Name | Verified Name |
|---|---|
| Address | 1597 DIANDA DR, CONCORD, CA 94521-1949 |
| Document Number | 0000022506 |
|---|---|
| Date | Mar 11, 2024 |
| Instrument | 2024-022506 |
| Name | PENNYMAC LOAN SERVICES LLC |
|---|---|
| Type | Mortgage Company |
| Address | WESTLAKE VILLAGE, CA 91361 |
| Type | Stand-Alone Second Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 121 Months |
| Due | Apr 01, 2034 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 1597 DIANDA DR, CONCORD, CA 94521-1949 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | SERVICELINK |
| Name | Verified Name |
|---|---|
| Address | 1597 DIANDA DR, CONCORD, CA 94521-1949 |
| Document Number | 0000212108 |
|---|---|
| Date | Jul 29, 2021 |
| Instrument | 2021-212108 |
| Name | AXOS BANK |
|---|---|
| Type | Bank |
| Address | SAN DIEGO, CA 92122 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Aug 01, 2051 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Concord City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $583,325 (+2%) Land $281,261 Building $302,064 | |
| 2025 | $7,244.00 (-13.85%) Homeowner's exemption | $571,889 (+17.38%) Land $275,747 Building $296,142 |
| 2023 | $8,409.00 (+1.09%) Homeowner's exemption | $487,208 Land $265,041 Building $222,167 |
| 2022 | $8,318.00 |
Source: FEMA National Flood Hazard Layer as of October 12, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Radiate Holdings Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Verizon.
Based on FCC filings for 502 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CONTRA COSTA WATER DISTRICT serves 210,500 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures