Contra Costa County property record for 3471 Keystone Loop, Discovery Bay, CA 94505 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 5 Beds |
| Bathrooms | 4 Baths |
| Year Built | Built 2004 |
| Square Footage | 4,011 sqft Living Area |
| Lot Size | 8,200 sqft (0.188 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $775,000 (2020) |
| Tax Bill | $11,855.00 (2025) |
| Primary APN | 011-421-012-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 12 Rooms |
| Building Area | 4,011 sqft Living Area |
| 1st Floor | 1,984 sqft 1st Floor |
| 2nd Floor | 2,027 sqft 2nd Floor |
| Stories | 2 Stories |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2004 |
| Architectural Style | Cluster Style |
| Lot Area | 8,200 sqft (0.188 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 438 sqft Garage |
| Cooling System | Central Cooling |
|---|
| Street Address | 3471 KEYSTONE LOOP |
|---|---|
| City | DISCOVERY BAY |
| State | CA |
| Zip | 94505-2320 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | T8430 L12 |
| Legal Subdivision | SUBDIVISION 8430 |
| Legal Tract | 8430 |
| Legal Lot Number | 12 |
| 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 011-421-012-3
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 | 3471 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 |
|---|---|
| Jun 13, 2017 | Deed of Trust, Mortgage · Federal Housing Administration (FHA) Mortgage COMMERCE MORTGAGE |
| Apr 05, 2021 | Deed of Trust, Mortgage · Veterans Administration Mortgage ENVOY MORTGAGE LTD |
| Jul 17, 2020 | Grant Deed, Transfer · Veterans Administration Mortgage ENVOY MORTGAGE LTD |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jul 17, 2020 · Amount on Record |
| Deed Sale | Jul 17, 2020 · Amount on Record |
| Prior Sale | Mar 11, 2004 · Amount on Record |
| Deed Doc Number | 2020143602 |
| Prior Transfer Date | Aug 18, 2006 |
| Prior Transfer Doc | 0000291301 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3471 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2320 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | NORTH AMERICAN TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000105027 |
|---|---|
| Date | Jun 13, 2017 |
| Instrument | 2017-105027 |
| Name | COMMERCE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | SAN RAMON, CA 94583 |
| Type | Federal Housing Administration (FHA) Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 01, 2047 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3471 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2320 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | STEWART TITLE |
| Name | Verified Name |
|---|---|
| Address | 3471 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2320 |
| Document Number | 0000101518 |
|---|---|
| Date | Apr 05, 2021 |
| Instrument | 2021-101518 |
| Name | ENVOY MORTGAGE LTD |
|---|---|
| Type | Mortgage Company |
| Address | HOUSTON, TX 77043 |
| Type | Veterans Administration Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Apr 01, 2051 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 17, 2020 |
| Property Address | 3471 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2320 |
| Document Number | 0000143602 |
| Map Reference | MB 436 PG 17 |
| Instrument Date | Jul 07, 2020 |
| Instrument | 2020-143602 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | FIRST AMERICAN 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 | 3471 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2320 |
| Document Number | 0000143603 |
|---|---|
| Date | Jul 17, 2020 |
| Instrument | 2020-143603 |
| Name | ENVOY MORTGAGE LTD |
|---|---|
| Type | Mortgage Company |
| Type | Veterans Administration Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Aug 01, 2050 |
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 | $899,824 (+2%) Land $143,530 Building $756,294 | |
| 2025 | $11,855.00 (+6.28%) | $882,181 (+4.04%) Land $140,716 Building $741,465 |
| 2023 | $11,155.00 (+1.65%) | $847,926 Land $135,252 Building $712,674 |
| 2022 | $10,974.00 |
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 AE, 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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