Contra Costa County property record for 1233 Mountain Side Ct, Concord, CA 94521
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 4.5 ba · 3,365 sqft · built 2003 |
| Lot Size | 0.157 acres (6,857 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $709,500 (Apr 2003) |
| Tax Bill | $12,194 (2025) |
| Deeds & Mortgages | Nov 2025 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 135-400-009-1 |
| Primary APN | 135-400-009-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 3,365 sqft Living Area |
| 1st Floor Area | 1,686 sqft |
| 2nd Floor Area | 1,679 sqft |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2003 |
| Architectural Style | Cluster |
| Lot Area | 6,857 sqft (0.157 acres) |
| Garage Type | Attached |
| Garage Area | 756 sqft |
| Parking Spaces | 3 Parking Spaces |
| Street Address | 1233 MOUNTAIN SIDE CT |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-5508 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | A-2 |
| Legal Description | T8437 L125 |
| Legal Subdivision | 8437 MONTECITO |
| Legal Tract | 8437 |
| Legal Lot Number | 125 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 355309 |
Source: Contra Costa County records, 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 Individual Names on Record |
|---|---|
| Mailing Address | 1233 MOUNTAIN SIDE CT, CONCORD, CA 94521-5508 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 11, 2003 · Amount on Record |
| Deed Sale | Apr 11, 2003 · Amount on Record |
| Deed Document Number | 2003166277 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 1233 MOUNTAIN SIDE CT, CONCORD, CA 94521-5508 |
| Transaction Type | Mortgage |
| Record Updated | Dec 12, 2025 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Name | Verified Name |
|---|---|
| Address | 1233 MOUNTAIN SIDE CT, CONCORD, CA 94521-5508 |
| Document Number | 0000132726 |
|---|---|
| Date | Nov 25, 2025 |
| Instrument | 2025- 132726 |
| Name | FREMONT BANK |
|---|---|
| Type | Bank |
| Address | 2580 SHEA CENTER DR, LIVERMORE, CA 94551 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 241 Months |
| Due | Dec 1, 2045 |
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 | $1,047,384 (+2%) Land $398,859 Building $648,525 | |
| 2025 | $12,194.00 (+3.76%) Homeowner's exemption | $1,026,848 (+4.04%) Land $391,039 Building $635,809 |
| 2023 | $11,752.00 (+1.21%) Homeowner's exemption | $986,976 Land $375,855 Building $611,121 |
| 2022 | $11,611.00 |
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 | 1 in force |
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 | Moderate above 62% of the US · lower than 62% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Indirect 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 376 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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