Contra Costa County property record for 20 Paso de Avila, Martinez, CA 94553
| Property Type | Rural Home |
|---|---|
| Details | 4 bd · 4.5 ba · 4,274 sqft · built 1992 |
| Lot Size | 4.88 acres (213,008 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,050,000 (Sep 2010) |
| Tax Bill | $12,666 (2025) |
| Deeds & Mortgages | Nov 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 367-020-012-4 |
| Primary APN | 367-020-012-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 1 Room |
| Stories | 1 Story |
| Building Area | 4,274 sqft Living Area |
| 1st Floor Area | 4,274 sqft |
| Basement Area | 1,149 sqft |
| Year Built | Built 1992 |
|---|---|
| Effective Year Built | Effective 1992 |
| Roof Material | Tile |
| Lot Area | 213,008 sqft |
| Garage Area | 1,390 sqft |
| Parking Spaces | 5 Parking Spaces |
| Deck Area | Deck Area |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Sewer | Septic |
| Street Address | 20 PASO DE AVILA |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-9659 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Rural Home |
| Local Zoning Code | A2 |
| Legal Description | PCL MAP 115 PG 45 PCL D |
| Legal Tract | 115PM45 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | BRIONES |
| Census Block Group | 1 |
| Census Block | 1039 |
| Census Tract | 356002 |
20 Paso de Avila, a rural home, is owned and occupied by two individuals who bought it in September 2010.
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 20 PASO DE AVILA, MARTINEZ, CA 94553-9659 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 22, 2010 · Amount on File |
| Deed Sale | Sep 22, 2010 · Amount on File |
| Prior Sale | Apr 8, 1997 · Amount on File |
| Deed Document Number | 2010201504 |
| Prior Transfer Date | Sep 9, 2010 |
| Prior Transfer Doc | 0000082747 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 20 PASO DE AVILA, MARTINEZ, CA 94553-9659 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | PLACER TITLE CO ROSEVILL |
| Name | Verified Name |
|---|---|
| Address | 20 PASO DE AVILA, MARTINEZ, CA 94553-9659 |
| Document Number | 0000273581 |
|---|---|
| Date | Nov 13, 2020 |
| Instrument | 2020-273581 |
| Name | FIRST MORTGAGE SOLUTIONS LLC |
|---|---|
| Type | Mortgage Company |
| Address | KANSAS CITY, MO 64114 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Dec 1, 2050 |
The 2025 property tax bill for 20 Paso de Avila was $12,666 with a homeowner's exemption.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | Martinez Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,110,769 (+2%) Land $342,376 Building $768,393 | |
| 2025 | $12,666.00 Homeowner's exemption | $1,088,990 Land $335,663 Building $753,327 |
| 2023 | $11,896.00 (+1.81%) Homeowner's exemption | $1,046,705 Land $322,630 Building $724,075 |
| 2022 | $11,684.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 20 Paso de Avila 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 20 Paso de Avila is high, ranking above 77% of the US, with a 0.6% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 77% of the US · above 54% of California |
|---|---|
| Wildfire Likelihood | 0.6% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 28 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
May also be available: Astound Broadband, T-Mobile, Unwired.
5G (outdoors only) and 4G LTE
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