Contra Costa County property record for 4271 Irene Dr, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 959 sqft · built 1953 |
| Lot Size | 0.115 acres (4,998 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $330,000 (May 2015) |
| Tax Bill | $5,729 (2025) |
| Deeds & Mortgages | Nov 2017 Mortgage Jul 2021 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 380-104-016-7 |
| Primary APN | 380-104-016-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 959 sqft Living Area |
| 1st Floor Area | 959 sqft |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1960 |
| Lot Area | 4,998 sqft (0.115 acres) |
| Garage Type | Attached |
| Garage Area | 246 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 4271 IRENE DR |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-1443 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R6 |
| Legal Description | VINE HILL MANOR LOT 63 |
| Legal Subdivision | VINE HILL MANOR |
| Legal Lot Number | 63 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1015 |
| Census Tract | 320001 |
4271 Irene Dr is owned and occupied by two individuals who acquired it in July 2021.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 4271 IRENE DR, MARTINEZ, CA 94553-1443 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
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 |
|---|---|
| Nov 16, 2017 | Deed of Trust, Mortgage · Conventional Mortgage FLAGSTAR BANK FSB |
| Jul 9, 2021 | Intrafamily Transfer, Transfer · Line of Credit PATELCO CU |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 22, 2015 · Amount on File |
| Deed Sale | May 22, 2015 · Amount on File |
| Prior Sale | Jan 9, 2009 · Amount on File |
| Deed Document Number | 2015104032 |
| Last Transfer Date | Jul 1, 2021 |
| Transfer Doc | 0000195804 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4271 IRENE DR, MARTINEZ, CA 94553-1443 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000216474 |
|---|---|
| Date | Nov 16, 2017 |
| Instrument | 2017-216474 |
| Name | FLAGSTAR BANK FSB |
|---|---|
| Type | Bank |
| Address | TROY, MI 48098 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Dec 1, 2047 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 9, 2021 |
| Property Address | 4271 IRENE DR, MARTINEZ, CA 94553-1443 |
| Document Number | 0000195804 |
| Map Reference | MB 50 PG 14 |
| Instrument Date | Jul 1, 2021 |
| Instrument | 2021-195804 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | PLACER TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 4271 IRENE DR, MARTINEZ, CA 94553-1443 |
| Document Number | 0000195805 |
|---|---|
| Date | Jul 9, 2021 |
| Instrument | 2021-195805 |
| Name | PATELCO CU |
|---|---|
| Type | Credit Union |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 301 Months |
| Due | Aug 30, 2046 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
The 2025 property tax bill for 4271 Irene Dr was $5,729.
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 | $404,409 (+2%) Land $294,208 Building $110,201 | |
| 2025 | $5,729.00 | $396,481 Land $288,440 Building $108,041 |
| 2023 | $5,337.00 (+2.89%) | $381,088 Land $277,241 Building $103,847 |
| 2022 | $5,187.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4271 Irene Dr in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1998.
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 | 2 in force |
| Nearby Flood Claims | 1 (1998) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 1998 · rainfall accumulation |
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 4271 Irene Dr is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 97% of the US · lower than 97.8% of California |
|---|---|
| Wildfire Likelihood | 0.03% 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 | CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2022 |
| Lead | Under 1 ppb (2026–2028) 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 67 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 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 |
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