Contra Costa County property record for 5505 Lynbrook Ct, Concord, CA 94521
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 1,898 sqft · built 1986 |
| Lot Size | 0.336 acres (14,641 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $5,665 (2025) |
| Deeds & Mortgages | Oct 2021 Mortgage Jul 2019 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 121-262-006-4 |
| Primary APN | 121-262-006-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 1,898 sqft Living Area |
| 1st Floor Area | 1,898 sqft |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1996 |
| Architectural Style | Cluster |
| Lot Area | 14,641 sqft (0.336 acres) |
| Garage Type | Attached |
| Garage Area | 427 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 5505 LYNBROOK CT |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-5019 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | PD |
| Legal Description | T6503 L46 |
| Legal Subdivision | SUBDIVISION 6503 |
| Legal Tract | 6503 |
| Legal Lot Number | 46 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3003 |
| Census Tract | 355309 |
Source: Contra Costa County records, 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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 5505 LYNBROOK CT, CONCORD, CA 94521-5019 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Oct 29, 2021 | Deed of Trust, Mortgage · Conventional Mortgage FIRSTBANK |
| Jul 17, 2019 | Quit Claim Deed, Transfer · Conventional Mortgage FIRSTBANK |
| Jul 17, 2017 | Quit Claim Deed, Transfer Quitclaim |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jun 24, 2019 |
| Transfer Doc | 0000110654 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 5505 LYNBROOK CT, CONCORD, CA 94521-5019 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | ADVANTAGE TITLE LLC |
| Name | Verified Name |
|---|---|
| Address | 5505 LYNBROOK CT, CONCORD, CA 94521-5019 |
| Document Number | 0000303353 |
|---|---|
| Date | Oct 29, 2021 |
| Instrument | 2021-303353 |
| Name | FIRSTBANK |
|---|---|
| Type | Bank |
| Address | FRANKLIN, TN 37064 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Nov 1, 2051 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 17, 2019 |
| Property Address | 5505 LYNBROOK CT, CONCORD, CA 94521-5019 |
| Document Number | 0000110654 |
| Instrument Date | Jun 24, 2019 |
| Instrument | 110654 |
| Transaction Type | Transfer |
| Record Updated | Jul 24, 2019 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 5505 LYNBROOK CT CONCORD CA 945215019, CONCORD, CA 94521-5019 |
| Document Number | 110655 |
|---|---|
| Date | Jul 17, 2019 |
| Instrument | 110655 |
| Name | FIRSTBANK |
|---|---|
| Type | Bank |
| Address | FRANKLIN, TN 37067 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jul 16, 2049 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 17, 2017 |
| Property Address | 5505 LYNBROOK CT, CONCORD, CA 94521-5019 |
| Document Number | 0000127190 |
| Instrument Date | Jun 23, 2017 |
| Instrument | 127190 |
| Transaction Type | Transfer |
| Record Updated | Jul 25, 2017 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 5505 LYNBROOK CT CONCORD CA 945215019, CONCORD, CA 94521-5019 |
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 | $415,443 (+2%) Land $119,465 Building $295,978 | |
| 2025 | $5,665.00 (+4.79%) | $407,298 (+4.04%) Land $117,123 Building $290,175 |
| 2023 | $5,406.00 (+1.52%) | $391,484 Land $112,576 Building $278,908 |
| 2022 | $5,325.00 |
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 | High above 77% of the US · above 54% of California |
|---|---|
| Wildfire Likelihood | 0.4% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
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 417 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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