Contra Costa County property record for 3113 Mount Diablo St, Concord, CA 94518
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,095 sqft · built 1954 |
| Lot Size | 0.128 acres (5,580 sqft) |
| Owner | 2 Companies on Record |
| Tax Bill | $2,421 (2025) |
| Deeds & Mortgages | Jun 2019 Second Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 105-184-003-9 |
| Primary APN | 105-184-003-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,095 sqft Living Area |
| 1st Floor Area | 1,095 sqft |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 1959 |
| Lot Area | 5,580 sqft (0.128 acres) |
| Garage Type | Attached |
| Garage Area | 405 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 3113 MOUNT DIABLO ST |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94518-1145 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R6 |
| Legal Description | WILDEWOOD MANOR LOT 72 |
| Legal Subdivision | WILDEWOOD MANOR |
| Legal Lot Number | 72 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 335000 |
Source: Contra Costa County assessment roll, 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 Companies on Record |
|---|---|
| Mailing Address | 3113 MOUNT DIABLO ST, CONCORD, CA 94518-1145 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jun 10, 2010 |
| Transfer Doc | 0000128447 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3113 MOUNT DIABLO ST, CONCORD, CA 94518-1145 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | PLACER TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000082616 |
|---|---|
| Date | Jun 4, 2019 |
| Instrument | 2019-082616 |
| Name | PATELCO CU |
|---|---|
| Type | Credit Union |
| Address | PLEASANTON, CA 94588 |
| Type | Stand-Alone Second Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 121 Months |
| Due | Jul 1, 2029 |
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 | $137,396 (+2%) Land $50,793 Building $86,603 | |
| 2025 | $2,421.00 (+6.51%) Homeowner's exemption | $134,703 (+4.04%) Land $49,798 Building $84,905 |
| 2023 | $2,273.00 (+2.57%) Homeowner's exemption | $129,474 Land $47,865 Building $81,609 |
| 2022 | $2,216.00 |
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 · 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 |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 3 (1980–1998) |
| Most Recent Claim | Mar 1998 · Severe Winter Storms And Flooding |
| Claims by Event |
|
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.
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 672 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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