Contra Costa County property record for 171 E Sims Rd, Brentwood, CA 94513
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,000 sqft · built 1956 |
| Lot Size | 0.2 acres (8,712 sqft) |
| Owner | Individual Name on File |
| Last Sale | $480,000 (Jan 2025) |
| Tax Bill | $4,495 (2025) |
| Deeds & Mortgages | Nov 2023 Transfer May 2019 Sale & Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 018-260-030-4 |
| Primary APN | 018-260-030-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,000 sqft Living Area |
| 1st Floor Area | 1,000 sqft |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1970 |
| Lot Area | 8,712 sqft (0.2 acres) |
| Garage Type | Attached |
| Garage Area | 484 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 171 E SIMS RD |
|---|---|
| City | BRENTWOOD |
| State | CA |
| Zip | 94513-6619 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | A2 |
| Legal Description | POR NW QR SEC 6 T1N R3E .200 AC |
| Legal Range | 03E |
| Legal Township | 01N |
| Legal Section | 06 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1034 |
| Census Tract | 303106 |
171 E Sims Rd is owned and occupied by an individual who bought it in January 2025.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 171 E SIMS RD, BRENTWOOD, CA 94513-6619 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Surviving Spouse |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Nov 20, 2023 | Intrafamily Transfer, Transfer |
| May 20, 2019 | Grant Deed, Transfer · Conventional Mortgage ALAMEDA MORTGAGE CORP |
| May 20, 2019 | Quit Claim Deed, Transfer OLD REPUBLIC TITLE |
| Feb 2, 2018 | Quit Claim Deed, Transfer Quitclaim |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jan 6, 2025 · Amount on File |
| Deed Sale | Jan 6, 2025 · Amount on File |
| Prior Sale | May 20, 2019 · Amount on File |
| Deed Document Number | 20251545 |
| Prior Transfer Date | Sep 28, 1994 |
| Prior Transfer Doc | 0000252880 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 20, 2023 |
| Property Address | 171 E SIMS RD, BRENTWOOD, CA 94513-6619 |
| Document Number | 0000124386 |
| Instrument Date | Nov 17, 2023 |
| Instrument | 2023-124386 |
| Transaction Type | Transfer |
| Record Updated | Dec 5, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 171 E SIMS RD, BRENTWOOD, CA 94513-6619 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 20, 2019 |
| Property Address | 171 E SIMS RD, BRENTWOOD, CA 94513-6619 |
| Document Number | 0000072781 |
| Instrument Date | May 16, 2019 |
| Instrument | 2019-072781 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| 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 | 171 E SIMS RD, BRENTWOOD, CA 94513-6619 |
| Document Number | 0000072782 |
|---|---|
| Date | May 20, 2019 |
| Instrument | 2019-072782 |
| Name | ALAMEDA MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jun 1, 2049 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 20, 2019 |
| Property Address | 171 E SIMS RD, BRENTWOOD, CA 94513-6619 |
| Document Number | 0000072780 |
| Instrument Date | Jan 11, 2019 |
| Instrument | 72780 |
| Transaction Type | Transfer |
| Record Updated | May 29, 2019 |
| Title Company | OLD REPUBLIC TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 171 E SIMS RD OAKLEY CA 94561, OAKLEY, CA 94561 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Feb 2, 2018 |
| Property Address | 171 E SIMS RD, BRENTWOOD, CA 94513-6619 |
| Document Number | 0000017060 |
| Instrument Date | Oct 17, 2017 |
| Instrument | 17060 |
| Transaction Type | Transfer |
| Record Updated | Feb 7, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 171 E SIMS RD BRENTWOOD CA 945136619, BRENTWOOD, CA 94513-6619 |
The 2025 property tax bill for 171 E Sims Rd was $4,495.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Elementary School District | Knightsen Elementary School District (KG - 08) |
| Secondary School District | Liberty Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $489,600 (+17.35%) Land $306,000 Building $183,600 | |
| 2025 | $4,495.00 | $417,199 Land $223,101 Building $194,098 |
| 2023 | $4,272.00 (+1.91%) Homeowner's exemption | $401,001 Land $214,439 Building $186,562 |
| 2022 | $4,192.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 171 E Sims Rd in Zone X, an area of minimal flood risk.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 14 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 14 in force |
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.
Wildfire risk around 171 E Sims Rd is low, with a 0.04% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 64% of the US · lower than 78% of California |
|---|---|
| Wildfire Likelihood | 0.04% 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 116 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
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