Contra Costa County property record for 3405 Keystone Loop, Discovery Bay, CA 94505 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2.5 Baths |
| Year Built | Built 2003 |
| Square Footage | 3,030 sqft Living Area |
| Lot Size | 7,100 sqft (0.163 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $850,000 (2021) |
| Tax Bill | $10,877.00 (2025) |
| Primary APN | 011-421-001-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 10 Rooms |
| Building Area | 3,030 sqft Living Area |
| 1st Floor | 1,952 sqft 1st Floor |
| 2nd Floor | 1,078 sqft 2nd Floor |
| Stories | 2 Stories |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2003 |
| Architectural Style | Cluster Style |
| Lot Area | 7,100 sqft (0.163 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 615 sqft Garage |
| Cooling System | Central Cooling |
|---|
| Street Address | 3405 KEYSTONE LOOP |
|---|---|
| City | DISCOVERY BAY |
| State | CA |
| Zip | 94505-2320 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | T8430 LOT 1 & POR LOT 2 |
| Legal Subdivision | SUBDIVISION 8430 |
| Legal Tract | 8430 |
| Legal Lot Number | 1,2 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | EAST CONTRA COSTA |
| Census Blockgroup | 3 |
| Census Block | 3001 |
| Census Tract | 304007 |
Source: Contra Costa County records · APN 011-421-001-6
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 | 3405 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2320 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Community Property |
| Date | Document |
|---|---|
| Jul 31, 2017 | Deed of Trust, Mortgage · Stand Alone Second Mortgage TRAVIS CU |
| Jul 28, 2021 | Grant Deed, Transfer · Federal Housing Administration (FHA) Mortgage GUARANTEED RATE INC |
| Jul 28, 2021 | Intrafamily Transfer, Transfer CHICAGO TITLE COMPANY |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jul 28, 2021 · Amount on Record |
| Deed Sale | Jul 28, 2021 · Amount on Record |
| Prior Sale | Sep 30, 2003 · Amount on Record |
| Deed Doc Number | 2021210796 |
| Prior Transfer Date | Jul 19, 2021 |
| Prior Transfer Doc | 0000210795 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3405 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2320 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | ACCOMMODATION |
| Name | Verified Name |
|---|
| Document Number | 0000136554 |
|---|---|
| Date | Jul 31, 2017 |
| Instrument | 2017-136554 |
| Name | TRAVIS CU |
|---|---|
| Type | Credit Union |
| Address | VACAVILLE, CA 95687 |
| Type | Stand Alone Second Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 241 Months |
| Due | Aug 01, 2037 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 28, 2021 |
| Property Address | 3405 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2320 |
| Document Number | 0000210796 |
| Map Reference | MB 436 PG 17 |
| Instrument Date | Jul 19, 2021 |
| Instrument | 2021-210796 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property (Marital Community) with Rights of Survivorship |
| Address | 3405 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2320 |
| Document Number | 0000210797 |
|---|---|
| Date | Jul 28, 2021 |
| Instrument | 2021-210797 |
| Name | GUARANTEED RATE INC |
|---|---|
| Type | Mortgage Company |
| Type | Federal Housing Administration (FHA) Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Aug 01, 2051 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 28, 2021 |
| Property Address | 3405 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2320 |
| Document Number | 0000210795 |
| Map Reference | MB 436 PG 17 |
| Instrument Date | Jul 19, 2021 |
| Instrument | 2021-210795 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Title Company | CHICAGO TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 3405 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2320 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Elementary School District | Byron Union Elementary School District (KG - 08) |
| Secondary School District | Liberty Union High School District (09 - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $770,000 (-3.75%) Land $135,882 Building $634,118 | |
| 2025 | $10,877.00 (+5.18%) Homeowner's exemption | $800,000 (+2.56%) Land $141,177 Building $658,823 |
| 2023 | $10,341.00 (-6.85%) Homeowner's exemption | $780,000 Land $138,000 Building $642,000 |
| 2022 | $11,102.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Moderate |
| 500-Year Floodplain | Yes |
| Special Flood Hazard Area | No |
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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