Contra Costa County property record for 816 Sage Dr, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 3,120 sqft · built 1988 |
| Lot Size | 0.919 acres (40,050 sqft) |
| Owner | Company Name on File |
| Tax Bill | $8,016 (2025) |
| Deeds & Mortgages | Dec 2020 Mortgage Oct 2018 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 365-380-002-3 |
| Primary APN | 365-380-002-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 3,120 sqft Living Area |
| 1st Floor Area | 1,630 sqft |
| 2nd Floor Area | 1,490 sqft |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 1988 |
| Lot Area | 40,050 sqft (0.919 acres) |
| Garage Type | Attached |
| Garage Area | 576 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 816 SAGE DR |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-5956 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R20 |
| Legal Description | T05365 L0002 B |
| Legal Subdivision | SUBDIVISION 5365 |
| Legal Tract | 05365 |
| Legal Lot Number | 2 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 347000 |
Source: Contra Costa County assessment roll, 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 | Company Name on File |
|---|---|
| Mailing Address | 816 SAGE DR, MARTINEZ, CA 94553-5956 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Dec 9, 2020 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC |
| Oct 11, 2018 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Apr 21, 2005 |
| Transfer Doc | 0000149024 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 816 SAGE DR, MARTINEZ, CA 94553-5956 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | AMROCK INC |
| Name | Verified Name |
|---|---|
| Address | 816 SAGE DR, MARTINEZ, CA 94553-5956 |
| Document Number | 0000308000 |
|---|---|
| Date | Dec 9, 2020 |
| Instrument | 2020-308000 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Dec 1, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 816 SAGE DR, MARTINEZ, CA 94553-5956 |
| Document Number | 0000163775 |
| Instrument Date | Oct 11, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Oct 29, 2018 |
| Title Company | AMROCK TITLE CA INC |
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 816 SAGE DR MARTINEZ CA 945535956, MARTINEZ, CA 94553-5956 |
| Document Number | 0000163775 |
|---|---|
| Date | Oct 16, 2018 |
| Instrument | 163775 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Oct 15, 2048 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.2% |
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 | $618,072 (+2%) Land $178,796 Building $439,276 | |
| 2025 | $8,016.00 (+6.5%) Homeowner's exemption | $605,954 (+4.04%) Land $175,291 Building $430,663 |
| 2023 | $7,527.00 (+1.67%) Homeowner's exemption | $582,426 Land $168,485 Building $413,941 |
| 2022 | $7,403.00 |
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 |
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 USA Fixed Wireless | 100 / 20 |
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