Contra Costa County property record for 837 Sage Dr, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4.5 ba · 6,907 sqft · built 1980 |
| Lot Size | 0.962 acres (41,905 sqft) |
| Owner | Individual Name on File |
| Last Sale | $1,700,000 (Nov 2016) |
| Tax Bill | $24,049 (2025) |
| Deeds & Mortgages | May 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 365-150-057-5 |
| Primary APN | 365-150-057-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 15 Rooms |
| Stories | 2 Stories |
| Building Area | 6,907 sqft Living Area |
| 1st Floor Area | 4,046 sqft |
| 2nd Floor Area | 518 sqft |
| Basement Area | 2,343 sqft |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1995 |
| Lot Area | 41,905 sqft (0.962 acres) |
| Garage Type | Attached |
| Garage Area | 1,203 sqft |
| Parking Spaces | 5 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 837 SAGE DR |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-5956 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R20 |
| Legal Description | PCL MAP 66 PG 11 PCL D |
| Legal Subdivision | SUBDIVISION 77-6 |
| Legal Tract | 66PM11 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 347000 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 837 SAGE DR, MARTINEZ, CA 94553-5956 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 7, 2016 · Amount on File |
| Deed Sale | Nov 7, 2016 · Amount on File |
| Deed Document Number | 2016240093 |
| Prior Transfer Date | Nov 3, 2016 |
| Prior Transfer Doc | 0000240094 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 837 SAGE DR, MARTINEZ, CA 94553-5956 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | PLACER TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 837 SAGE DR, MARTINEZ, CA 94553-5956 |
| Document Number | 0000145195 |
|---|---|
| Date | May 14, 2021 |
| Instrument | 2021-145195 |
| Name | AMERICAN PACIFIC MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Address | ROSEVILLE, CA 95661 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Jun 1, 2036 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Martinez City |
| Unified School District | Martinez Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $2,012,449 (+2%) Land $591,897 Building $1,420,552 | |
| 2025 | $24,049.00 (+6.5%) Homeowner's exemption | $1,972,991 (+4.04%) Land $580,292 Building $1,392,699 |
| 2023 | $22,581.00 (+1.74%) Homeowner's exemption | $1,896,379 Land $557,759 Building $1,338,620 |
| 2022 | $22,195.00 |
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 1 (1986) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 1986 · Severe Storms & Flooding |
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 | High above 73% of the US · above 48% of California |
|---|---|
| Wildfire Likelihood | 0.4% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 | CITY OF MARTINEZ serves 31,015 people · EPA ID CA0710006 |
|---|---|
| Water Source | Purchased surface water from CONTRA COSTA WATER DISTRICT |
| Last State Inspection | Oct 2025 |
| Lead | Under 1 ppb (2023–2025) 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 33 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| 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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