Contra Costa County property record for 847 Sage Dr, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4 ba · 4,101 sqft · built 2007 |
| Lot Size | 1.83 acres (80,150 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $2,770,000 (Jan 2021) |
| Tax Bill | $36,082 (2025) |
| Deeds & Mortgages | Mar 2017 Line of Credit Jan 2021 Sale & Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 365-150-069 |
| Primary APN | 365-150-069 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 13 Rooms |
| Stories | 1 Story |
| Building Area | 4,101 sqft Living Area |
| 1st Floor Area | 3,398 sqft |
| Basement Area | 703 sqft |
| Year Built | Built 2007 |
|---|---|
| Effective Year Built | Effective 2009 |
| Lot Area | 80,150 sqft |
| Garage Type | Attached |
| Garage Area | 1,119 sqft |
| Parking Spaces | 4 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 847 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 103 PG 34 PCL B |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 347000 |
847 Sage Dr is owner-occupied and held in a trust since January 2021.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 847 SAGE DR, MARTINEZ, CA 94553-5956 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
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 |
|---|---|
| Mar 6, 2017 | Deed of Trust, Mortgage · Line of Credit JPMORGAN CHASE BANK NA |
| Jan 28, 2021 | Grant Deed, Transfer · Conventional Mortgage QUICKEN LOANS LLC |
| Oct 26, 2017 | Deed of Trust, Mortgage · Line of Credit SF FIRE CU |
| Jul 14, 2017 | Grant Deed, Transfer · ARM US BANK NA |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 28, 2021 · Amount on File |
| Deed Sale | Jan 28, 2021 · Amount on File |
| Prior Sale | Jul 14, 2017 · Amount on File |
| Deed Document Number | 202126977 |
| Prior Transfer Date | Jun 13, 2016 |
| Prior Transfer Doc | 0000131816 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 847 SAGE DR, MARTINEZ, CA 94553-5956 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0000039051 |
|---|---|
| Date | Mar 6, 2017 |
| Instrument | 2017-039051 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 419 Months |
| Due | Feb 15, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jan 28, 2021 |
| Property Address | 847 SAGE DR, MARTINEZ, CA 94553-5956 |
| Document Number | 0000026977 |
| Instrument Date | Jan 21, 2021 |
| Instrument | 2021-026977 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | FIRST AMERICAN 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 |
|---|---|
| Relationship | Family Trust |
| Address | 4831 PACHECO BLVD, MARTINEZ, CA 94553-3631 |
| Document Number | 0000026978 |
|---|---|
| Date | Jan 28, 2021 |
| Instrument | 2021-026978 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Feb 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 847 SAGE DR, MARTINEZ, CA 94553-5956 |
| Document Number | 0000219233 |
| Instrument Date | Oct 26, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Nov 27, 2017 |
| Title Company | CHICAGO TITLE PIRT |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 847 SAGE DR MARTINEZ CA 945535956, MARTINEZ, CA 94553-5956 |
| Document Number | 0000219233 |
|---|---|
| Date | Nov 21, 2017 |
| Instrument | 219233 |
| Name | SF FIRE CU |
|---|---|
| Address | SAN FRANCISCO, CA 94118 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 300 Months |
| Due | Nov 20, 2042 |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 14, 2017 |
| Property Address | 847 SAGE DR, MARTINEZ, CA 94553-5956 |
| Document Number | 0000126086 |
| Map Reference | MB103 PG34 |
| Instrument Date | Jul 7, 2017 |
| Instrument | 2017-126086 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | CHICAGO 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 |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 847 SAGE DR, MARTINEZ, CA 94553-5956 |
| Document Number | 0000126087 |
|---|---|
| Date | Jul 14, 2017 |
| Instrument | 2017-126087 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Type | ARM |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Aug 1, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.37% |
| Adjustable | Adjustable Rate Rider |
| Type Change Date | Aug 1, 2027 |
| Change Frequency | Annually |
| Min Rate At Change | 2.25% |
| Max Rate At Change | 8.37% |
| Index | 1-Year LIBOR |
| Max Rate | 8.37% |
The 2025 property tax bill for 847 Sage Dr was $36,082 with a homeowner's exemption.
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 | $3,058,300 (+2%) Land $1,324,895 Building $1,733,405 | |
| 2025 | $36,082.00 Homeowner's exemption | $2,998,334 Land $1,298,917 Building $1,699,417 |
| 2023 | $33,880.00 (+1.75%) Homeowner's exemption | $2,881,908 Land $1,248,480 Building $1,633,428 |
| 2022 | $33,297.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 847 Sage Dr in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1986.
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.
Wildfire risk around 847 Sage Dr is high, ranking above 73% of the US, with a 0.4% annual chance of wildfire.
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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