Contra Costa County property record for 4375 Dorset Ct, Concord, CA 94521
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 1,578 sqft · built 1957 |
| Lot Size | 0.264 acres (11,500 sqft) |
| Owner | Company Name on File |
| Last Sale | $846,000 (May 2023) |
| Tax Bill | $10,726 (2025) |
| Deeds & Mortgages | May 2023 Sale & Mortgage Feb 2020 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 133-042-024-9 |
| Primary APN | 133-042-024-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,578 sqft Living Area |
| 1st Floor Area | 1,137 sqft |
| 2nd Floor Area | 441 sqft |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 1990 |
| Lot Area | 11,500 sqft (0.264 acres) |
| Garage Type | Attached |
| Garage Area | 479 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 4375 DORSET CT |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-4220 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R7 |
| Legal Description | TRACT 2426 LOT 121 |
| Legal Subdivision | MARLBORO MANOR UNIT #3 |
| Legal Tract | 2426 |
| Legal Lot Number | 121 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 334006 |
Source: Contra Costa County records · APN 133-042-024-9
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 | Company Name on File |
|---|---|
| Mailing Address | 20 SANDRA CT, ALAMO, CA 94507-2447 |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| May 19, 2023 | Grant Deed, Transfer · Conventional Mortgage EVERETT FINANCIAL INC |
| Feb 12, 2020 | Quit Claim Deed, Transfer NOT AVAILABLE |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | May 19, 2023 · Amount on Record |
| Deed Sale | May 19, 2023 · Amount on Record |
| Prior Sale | May 03, 2013 · Amount on Record |
| Deed Document Number | 202347696 |
| Prior Transfer Date | Jan 30, 2020 |
| Prior Transfer Doc | 0000026782 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 19, 2023 |
| Property Address | 4375 DORSET CT, CONCORD, CA 94521-4220 |
| Document Number | 0000047696 |
| Map Reference | MB 66 PG 47 |
| Instrument Date | May 15, 2023 |
| Instrument | 2023-047696 |
| Transaction Type | Transfer |
| Record Updated | May 30, 2023 |
| 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 by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 20 SANDRA CT, ALAMO, CA 94507-2447 |
| Document Number | 0000047697 |
|---|---|
| Date | May 19, 2023 |
| Instrument | 2023-047697 |
| Name | EVERETT FINANCIAL INC |
|---|---|
| Type | Funding / Finance Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 01, 2053 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Feb 12, 2020 |
| Property Address | 4375 DORSET CT, CONCORD, CA 94521-4220 |
| Document Number | 0000026782 |
| Instrument Date | Jan 30, 2020 |
| Instrument | 26782 |
| Transaction Type | Transfer |
| Record Updated | Mar 09, 2020 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 330 H ST #1606 OAKLAND CA 94612, 1606, OAKLAND, CA 94612 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Concord City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $897,780 (+2%) Land $636,724 Building $261,056 | |
| 2025 | $10,726.00 (+110.52%) | $880,178 (+133.12%) Land $624,240 Building $255,938 |
| 2023 | $5,095.00 (+1.57%) | $377,563 Land $290,276 Building $87,287 |
| 2022 | $5,016.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), as of October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133340061, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 2 in force |
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Radiate Holdings Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Sonic Telecom, T-Mobile USA.
Based on FCC filings for 586 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System, water system CA0710003, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CONTRA COSTA WATER DISTRICT serves 210,500 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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