Contra Costa County property record for 3505 Gemini Ct, Concord, CA 94519
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,476 sqft · built 1970 |
| Lot Size | 0.177 acres (7,700 sqft) |
| Owner | Company Name on File |
| Tax Bill | $2,020 (2025) |
| Deeds & Mortgages | Oct 2019 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 114-421-027-3 |
| Primary APN | 114-421-027-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,476 sqft Living Area |
| 1st Floor Area | 1,476 sqft |
| Year Built | Built 1970 |
|---|---|
| Effective Year Built | Effective 1971 |
| Lot Area | 7,700 sqft (0.177 acres) |
| Garage Type | Attached |
| Garage Area | 437 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 3505 GEMINI CT |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94519-1708 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R7 |
| Legal Description | TRACT 3834 LOT 10 EX MR |
| Legal Tract | 3834 |
| Legal Lot Number | 10 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 331000 |
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 | Company Name on File |
|---|---|
| Mailing Address | 3505 GEMINI CT, CONCORD, CA 94519-1708 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Apr 9, 2014 |
| Transfer Doc | 0000030912 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3505 GEMINI CT, CONCORD, CA 94519-1708 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000181661 |
|---|---|
| Date | Oct 24, 2019 |
| Instrument | 2019-181661 |
| Name | LENDUS LLC |
|---|---|
| Type | Mortgage Company |
| Address | ALAMO, CA 94507 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Nov 1, 2049 |
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 | $100,310 (+2%) Land $34,073 Building $66,237 | |
| 2025 | $2,020.00 (+7.1%) Homeowner's exemption | $98,344 (+4.04%) Land $33,405 Building $64,939 |
| 2023 | $1,886.00 (+2.89%) Homeowner's exemption | $94,526 Land $32,108 Building $62,418 |
| 2022 | $1,833.00 |
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
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.2% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
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 657 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| Xfinity Cable | 2,000 / 250 |
| Radiate Holdings 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 USA.
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