Contra Costa County property record for 360 Summerhill Ln, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 5.5 ba · 5,816 sqft · built 1992 |
| Lot Size | 5.15 acres (224,334 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $21,225 (2025) |
| Deeds & Mortgages | Mar 2021 Mortgage Mar 2021 Transfer + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 367-240-001-1 |
| Primary APN | 367-240-001-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 5.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 13 Rooms |
| Stories | 2 Stories |
| Building Area | 5,816 sqft Living Area |
| 1st Floor Area | 3,059 sqft |
| 2nd Floor Area | 1,699 sqft |
| Basement Area | 1,058 sqft |
| Year Built | Built 1992 |
|---|---|
| Effective Year Built | Effective 1993 |
| Lot Area | 224,334 sqft |
| Garage Type | Attached |
| Garage Area | 1,301 sqft |
| Parking Spaces | 5 Parking Spaces |
| Street Address | 360 SUMMERHILL LN |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-9709 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | A2 |
| Legal Description | TRACT 6443 LOT 5 |
| Legal Subdivision | SUBDIVISION 6443 |
| Legal Tract | 6443 |
| Legal Lot Number | 5 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | BRIONES |
| Census Block Group | 1 |
| Census Block | 1050 |
| Census Tract | 356002 |
360 Summerhill Ln is owner-occupied and held in a trust since February 2021.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 360 SUMMERHILL LN, MARTINEZ, CA 94553-9709 |
| 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 12, 2021 | Intrafamily Transfer, Transfer · Conventional Mortgage QUICKEN LOANS LLC |
| Mar 12, 2021 | Intrafamily Transfer, Transfer OLD REPUBLIC TITLE COMPANY |
| Mar 26, 2018 | Deed of Trust, Mortgage · ARM BANC OF CALIFORNIA NA |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Feb 16, 2021 |
| Transfer Doc | 0000076227 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Mar 12, 2021 |
| Property Address | 360 SUMMERHILL LN, MARTINEZ, CA 94553-9709 |
| Document Number | 0000076225 |
| Map Reference | MB 335 PG 29 |
| Instrument Date | Feb 16, 2021 |
| Instrument | 2021-076225 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 360 SUMMERHILL LN, MARTINEZ, CA 94553-9709 |
| Document Number | 0000076226 |
|---|---|
| Date | Mar 12, 2021 |
| Instrument | 2021-076226 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Apr 1, 2051 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Mar 12, 2021 |
| Property Address | 360 SUMMERHILL LN, MARTINEZ, CA 94553-9709 |
| Document Number | 0000076227 |
| Map Reference | MB 335 PG 29 |
| Instrument Date | Feb 16, 2021 |
| Instrument | 2021-076227 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 360 SUMMERHILL LN, 360, MARTINEZ, CA 94553-9709 |
| Name | Verified Name |
|---|---|
| Relationship | Family Living Trust |
| Address | 360 SUMMERHIN LANE, MARTINEZ, CA 94533 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 360 SUMMERHILL LN, MARTINEZ, CA 94553-9709 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000046086 |
|---|---|
| Date | Mar 26, 2018 |
| Instrument | 2018-046086 |
| Name | BANC OF CALIFORNIA NA |
|---|---|
| Type | Bank |
| Address | SANTA ANA, CA 92707 |
| Type | ARM |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Apr 1, 2048 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.75% |
| Type Change Date | Apr 1, 2025 |
| Change Frequency | Annually |
| Min Rate At Change | 3% |
| Max Rate At Change | 6.75% |
| Index | 1-Year LIBOR |
| Margin | 3 |
| Max Rate | 10.7% |
The 2025 property tax bill for 360 Summerhill Ln was $21,225 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 | $1,832,146 (+2%) Land $744,872 Building $1,087,274 | |
| 2025 | $21,225.00 Homeowner's exemption | $1,796,222 Land $730,267 Building $1,065,955 |
| 2023 | $19,941.00 (+1.76%) Homeowner's exemption | $1,726,474 Land $701,911 Building $1,024,563 |
| 2022 | $19,596.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 360 Summerhill Ln in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2023.
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 |
| Nearby Flood Claims | 1 (2023) |
| Most Recent Claim | Jan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
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 360 Summerhill Ln is high, ranking above 80% of the US, with a 0.5% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 80% of the US · above 57% of California |
|---|---|
| Wildfire Likelihood | 0.5% 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 | 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 38 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 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 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures