Contra Costa County property record for 3561 Carlfield St, El Sobrante, CA 94803
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,022 sqft · built 1948 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $660,000 (Aug 2021) |
| Tax Bill | $10,191 (2025) |
| Deeds & Mortgages | Aug 2021 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 420-033-010 |
| Primary APN | 420-033-010 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,022 sqft Living Area |
| 1st Floor Area | 1,022 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1953 |
| Lot Area | 5,000 sqft (0.115 acres) |
| Lot Dimensions | 100 ft deep x 52 ft wide |
| Garage Type | Attached |
| Garage Area | 235 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | Floor/Wall Furnace |
|---|
| Street Address | 3561 CARLFIELD ST |
|---|---|
| City | EL SOBRANTE |
| State | CA |
| Zip | 94803-2703 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R6 |
| Legal Description | SERPA TRACT LOT 11 BLK 2 |
| Legal Subdivision | SERPA |
| Legal Block | 2 |
| Legal Lot Number | 11 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 369002 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 3561 CARLFIELD ST, EL SOBRANTE, CA 94803-2703 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 27, 2021 · Amount on Record |
| Deed Sale | Aug 27, 2021 · Amount on Record |
| Deed Document Number | 2021241531 |
| Prior Transfer Date | Mar 26, 1998 |
| Prior Transfer Doc | 0000064161 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Aug 27, 2021 |
| Property Address | 3561 CARLFIELD ST, EL SOBRANTE, CA 94803-2703 |
| Document Number | 0000241531 |
| Map Reference | MB 32 PG 23 |
| Instrument Date | Aug 25, 2021 |
| Instrument | 2021-241531 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3561 CARLFIELD ST, EL SOBRANTE, CA 94803-2703 |
| Document Number | 0000241532 |
|---|---|
| Date | Aug 27, 2021 |
| Instrument | 2021-241532 |
| Name | GREENBOX LOANS INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 1, 2051 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | West Contra Costa Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $714,404 (+2%) Land $541,216 Building $173,188 | |
| 2025 | $10,191.00 (+4.54%) | $700,397 (+4.04%) Land $530,604 Building $169,793 |
| 2023 | $9,748.00 (-36.84%) | $673,200 Land $510,000 Building $163,200 |
| 2022 | $15,433.00 |
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 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 1 (1983) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jul 1983 · tidal / storm surge |
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| 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 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 | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2021 |
| Lead | Under 1 ppb (2022–2024) 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 330 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Etheric Networks, T-Mobile.
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