Contra Costa County property record for 3545 Keystone Loop, Discovery Bay, CA 94505 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 3 Baths |
| Year Built | Built 2004 |
| Square Footage | 3,517 sqft Living Area |
| Lot Size | 6,500 sqft (0.149 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $510,000 (2015) |
| Tax Bill | $8,725.00 (2025) |
| Primary APN | 011-421-024-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 10 Rooms |
| Building Area | 3,517 sqft Living Area |
| 1st Floor | 1,719 sqft 1st Floor |
| 2nd Floor | 1,798 sqft 2nd Floor |
| Stories | 2 Stories |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2004 |
| Architectural Style | Cluster Style |
| Lot Area | 6,500 sqft (0.149 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 596 sqft Garage |
| Cooling System | Central Cooling |
|---|
| Street Address | 3545 KEYSTONE LOOP |
|---|---|
| City | DISCOVERY BAY |
| State | CA |
| Zip | 94505-2322 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | T8430 POR LTS 24 & 23 |
| Legal Subdivision | SUBDIVISION 8430 |
| Legal Tract | 8430 |
| Legal Lot Number | 24,23 |
| 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 011-421-024-8
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 Company Names on File |
|---|---|
| Mailing Address | 3545 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2322 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Date | Document |
|---|---|
| May 11, 2023 | Intrafamily Transfer, Transfer |
| Nov 22, 2017 | Deed of Trust, Mortgage · Line of Credit FREMONT BANK |
| Oct 14, 2020 | Deed of Trust, Mortgage · Conventional Mortgage FREMONT BANK |
| Jul 21, 2021 | Deed of Trust, Mortgage · Conventional Mortgage FREMONT BANK |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Oct 29, 2015 · Amount on Record |
| Deed Sale | Oct 29, 2015 · Amount on Record |
| Prior Sale | Feb 18, 2015 · Amount on Record |
| Deed Doc Number | 2015227357 |
| Last Transfer Date | Apr 15, 2023 |
| Transfer Doc | 0000044135 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 11, 2023 |
| Property Address | 3545 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2322 |
| Document Number | 0000044135 |
| Map Reference | MB 436 PG 17 |
| Instrument Date | Apr 15, 2023 |
| Instrument | 2023-044135 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Living Trust |
| Address | 3545 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2322 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3545 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2322 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000220182 |
|---|---|
| Date | Nov 22, 2017 |
| Instrument | 2017-220182 |
| Name | FREMONT BANK |
|---|---|
| Type | Bank |
| Address | LIVERMORE, CA 94551 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Nov 16, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly (Revolving credit lines are monthly unless stated otherwise). |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3545 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2322 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 3545 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2322 |
| Document Number | 0000237942 |
|---|---|
| Date | Oct 14, 2020 |
| Instrument | 2020-237942 |
| Name | FREMONT BANK |
|---|---|
| Type | Bank |
| Address | LIVERMORE, CA 94551 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Oct 01, 2035 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3545 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2322 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | FIDELITY NATIONAL TITLE CO |
| Name | Verified Name |
|---|---|
| Address | 3545 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2322 |
| Document Number | 0000206017 |
|---|---|
| Date | Jul 21, 2021 |
| Instrument | 2021-206017 |
| Name | FREMONT BANK |
|---|---|
| Type | Bank |
| Address | LIVERMORE, CA 94551 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Aug 01, 2036 |
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 | $615,804 (+2%) Land $120,744 Building $495,060 | |
| 2025 | $8,725.00 (+6.79%) Homeowner's exemption | $603,730 (+4.04%) Land $118,377 Building $485,353 |
| 2023 | $8,170.00 (+1.68%) Homeowner's exemption | $580,288 Land $113,781 Building $466,507 |
| 2022 | $8,035.00 |
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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