Contra Costa County property record for 3450 Keystone Loop, Discovery Bay, CA 94505 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2.5 Baths |
| Year Built | Built 2004 |
| Square Footage | 3,030 sqft Living Area |
| Lot Size | 6,800 sqft (0.156 acres) |
| Garage | Attached, 615 sqft |
| Last Sale | $839,000 (2022) |
| Tax Bill | $11,753.00 (2025) |
| Primary APN | 011-421-037 |
|---|---|
| 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 2004 |
| Architectural Style | Cluster Style |
| Lot Area | 6,800 sqft (0.156 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 615 sqft Garage |
| Cooling System | Central Cooling |
|---|
| Street Address | 3450 KEYSTONE LOOP |
|---|---|
| City | DISCOVERY BAY |
| State | CA |
| Zip | 94505-2319 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | T8430 L37 |
| Legal Subdivision | SUBDIVISION 8430 |
| Legal Tract | 8430 |
| Legal Lot Number | 37 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | EAST CONTRA COSTA |
| Census Blockgroup | 3 |
| Census Block | 3003 |
| Census Tract | 304007 |
Source: Contra Costa County records · APN 011-421-037
Assessment roll updated July 14, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 48900 SAUVIGNON CT, FREMONT, CA 94539-7715 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Oct 02, 2020 | Deed of Trust, Mortgage · Conventional Mortgage NETWORK CAPITAL FUNDING CORP |
| Jul 20, 2022 | Quit Claim Deed, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Jul 20, 2022 | Grant Deed, Transfer · Conventional Mortgage PATELCO CU |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jul 20, 2022 · Amount on Record |
| Deed Sale | Jul 20, 2022 · Amount on Record |
| Prior Sale | May 05, 2015 · Amount on Record |
| Deed Doc Number | 2022115717 |
| Prior Transfer Date | Jul 13, 2022 |
| Prior Transfer Doc | 0000115716 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3450 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2319 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | UNISOURCE |
| Name | Verified Name |
|---|---|
| Address | 3450 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2319 |
| Document Number | 0000225262 |
|---|---|
| Date | Oct 02, 2020 |
| Instrument | 2020-225262 |
| Name | NETWORK CAPITAL FUNDING CORP |
|---|---|
| Type | Mortgage Company |
| Address | IRVINE, CA 92618 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 359 Months |
| Due | Sep 01, 2050 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 20, 2022 |
| Property Address | 3450 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2319 |
| Document Number | 0000115716 |
| Map Reference | MB 436 PG 17 |
| Instrument Date | Jul 13, 2022 |
| Instrument | 2022-115716 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3450 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2319 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 20, 2022 |
| Property Address | 3450 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2319 |
| Document Number | 0000115717 |
| Map Reference | MB 436 PG 17 |
| Instrument Date | Jul 11, 2022 |
| Instrument | 2022-115717 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC 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 |
|---|---|
| Address | 48900 SAUVIGNON CT, FREMONT, CA 94539-7715 |
| Document Number | 0000115718 |
|---|---|
| Date | Jul 20, 2022 |
| Instrument | 2022-115718 |
| Name | PATELCO CU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Aug 01, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.25% |
| Type Change Date | Aug 01, 2027 |
| Change Frequency | Annually |
| Min Rate At Change | 3% |
| Max Rate At Change | 6.25% |
| Index | 1-Year CMT |
| Max Rate | 10.2% |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified August 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 | $890,351 (+2%) Land $254,689 Building $635,662 | |
| 2025 | $11,753.00 (+6.29%) | $872,895 (+4.04%) Land $249,696 Building $623,199 |
| 2023 | $11,058.00 (+37.91%) | $839,000 Land $240,000 Building $599,000 |
| 2022 | $8,018.00 |
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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