Contra Costa County property record for 20 Alan Way, Martinez, CA 94553 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,108 sqft · built 1951 |
| Lot Size | 0.234 acres (10,200 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $455,000 (Mar 2019) |
| Tax Bill | $6,744 (2025) |
| Deeds & Mortgages | Jun 2020 Mortgage Mar 2019 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 159-163-005-6 |
| Primary APN | 159-163-005-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,108 sqft Living Area |
| 1st Floor Area | 1,108 sqft |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1975 |
| Lot Area | 10,200 sqft (0.234 acres) |
| Garage Area | 360 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 20 ALAN WAY |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-3602 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | HELMOND SHEPARD TRACT LOT 20 |
| Legal Subdivision | HELMOND SHEPARD |
| Legal Lot Number | 20 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 320004 |
Source: Contra Costa County records · APN 159-163-005-6
Assessment roll updated July 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 20 ALAN WAY, MARTINEZ, CA 94553-3602 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Jun 11, 2020 | Intrafamily Transfer, Transfer · Conventional Mortgage MASON MCDUFFIE MORTGAGE CORP |
| Mar 13, 2019 | Grant Deed, Transfer · Conventional Mortgage MASON MCDUFFIE MORTGAGE CORP |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Mar 13, 2019 · Amount on Record |
| Deed Sale | Mar 13, 2019 · Amount on Record |
| Prior Sale | Dec 30, 2016 · Amount on Record |
| Deed Document Number | 201934254 |
| Last Transfer Date | Jun 05, 2020 |
| Transfer Doc | 0000112674 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 11, 2020 |
| Property Address | 20 ALAN WAY, MARTINEZ, CA 94553-3602 |
| Document Number | 0000112674 |
| Map Reference | MB 29 PG 49 |
| Instrument Date | Jun 05, 2020 |
| Instrument | 2020-112674 |
| Transaction Type | Transfer |
| Record Updated | Jul 27, 2021 |
| Title Company | WESTMINSTER TITLE CO INC |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 20 ALAN WAY, MARTINEZ, CA 94553-3602 |
| Document Number | 0000112675 |
|---|---|
| Date | Jun 11, 2020 |
| Instrument | 2020-112675 |
| Name | MASON MCDUFFIE MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 01, 2050 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Mar 13, 2019 |
| Property Address | 20 ALAN WAY, MARTINEZ, CA 94553-3602 |
| Document Number | 0000034254 |
| Map Reference | MB 29 PG 49 |
| Instrument Date | Mar 07, 2019 |
| Instrument | 2019-034254 |
| Transaction Type | Transfer |
| Record Updated | Jul 27, 2021 |
| Title Company | PLACER TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 4539 STEED WAY, ANTIOCH, CA 94531-7640 |
| Document Number | 0000034255 |
|---|---|
| Date | Mar 13, 2019 |
| Instrument | 2019-034255 |
| Name | MASON MCDUFFIE MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Apr 01, 2049 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $517,707 (+2%) Land $341,347 Building $176,360 | |
| 2025 | $6,744.00 (+4.92%) | $507,556 (+4.04%) Land $334,654 Building $172,902 |
| 2023 | $6,428.00 (+1.92%) | $487,849 Land $321,660 Building $166,189 |
| 2022 | $6,307.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Wildfire Risk | Low above 6% of the US · above 4% of California |
|---|---|
| Wildfire Likelihood | About 1 in 3,333 per year |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; lenders make the official flood determination.
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