Plymouth County and Brockton City property record for 439 Plain St, Brockton, MA 02302
| Property Type | Duplex |
|---|---|
| Details | 6 bd · 2 ba · 3,006 sqft · built 1925 |
| Lot Size | 0.46 acres (20,038 sqft) |
| Owner | Individual Name on File |
| Last Sale | $269,000 (Jan 2014) |
| Tax Bill | $6,705 (2025) |
| Deeds & Mortgages | Jun 2021 Refinance Aug 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 121-002 |
| Primary APN | 121-002 |
|---|---|
| Alternative APN |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 11 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 3,006 sqft Living Area |
| 1st Floor Area | 1,587 sqft |
| Basement Area | 336 sqft |
| Unfinished Basement | 336 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1925 |
| Architectural Style | Duplex Single |
| Exterior Material | Wood Siding |
| Lot Area | 20,038 sqft (0.46 acres) |
| Garage Type | Attached |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Account Number | 121-002 |
|---|---|
| Street Address | 439 PLAIN ST |
| City | BROCKTON |
| State | MA |
| Zip | 02302-4545 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R1C |
| Jurisdiction | BROCKTON MA |
| Township / Civil Division | BROCKTON |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 511302 |
439 Plain St, a duplex, is owned and occupied by an individual who bought it in January 2014.
Source: Plymouth County and Brockton City records, as of October 20, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 439 PLAIN ST, BROCKTON, MA 02302-4545 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 |
|---|---|
| Jun 29, 2021 | Deed of Trust, Mortgage · Stand-Alone Refinance HARBORONE BANK |
| Aug 3, 2017 | Deed of Trust, Mortgage · Conventional Mortgage HANSCOM FCU |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jan 28, 2014 · Amount on File |
| Deed Sale | Jan 28, 2014 · Amount on File |
| Prior Sale | Jun 1, 1998 · Amount on File |
| Deed Document Number | 2014 |
| Deed Book / Page | 44034 / 196 |
| Transfer Doc | 044034-196 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BROCKTON MA |
| Property Address | 439 PLAIN ST, BROCKTON, MA 02302-4545 |
| Transaction Type | Mortgage |
| Record Updated | Apr 3, 2026 |
| Name | Verified Name |
|---|
| Document Number | 055225-187 |
|---|---|
| Date | Jun 29, 2021 |
| Book Page | 55225/187 |
| Instrument | 73987 |
| Name | HARBORONE BANK |
|---|
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 301 Months |
| Due | Jul 1, 2046 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BROCKTON MA |
| Property Address | 439 PLAIN ST, BROCKTON, MA 02302-4545 |
| Document Number | 48799-143 |
| Book / Page | 048799 / 000143 |
| Instrument Date | Aug 3, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Sep 5, 2017 |
| Name | Verified Name |
|---|
| Document Number | 48799-143 |
|---|---|
| Date | Aug 15, 2017 |
| Book Page | 048799/000143 |
| Instrument | 69190 |
| Name | HANSCOM FCU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Aug 14, 2047 |
The 2025 property tax bill for 439 Plain St was $6,705, up 23.7% from the year before.
Source: Plymouth County and Brockton City assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Plymouth County |
| Municipality | Brockton City |
| Unified School District | Brockton School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $6,705.00 (+23.69%) | $553,700 (+22.77%) Land $171,500 Building $382,200 | $717,875 |
| 2024 | $5,421.00 (+22.48%) | $451,000 (+32.26%) Land $171,500 Building $279,500 | |
| 2023 | $4,426.00 | $341,000 Land $123,300 Building $217,700 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 439 Plain St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective June 11, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 7 in force |
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 439 Plain St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 96% of the US · lower than 92% of Massachusetts |
|---|---|
| Wildfire Likelihood | Under 0.01% 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 | BROCKTON WATER DEPARTMENT serves 105,788 people · EPA ID MA4044000 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Feb 2025 |
| Lead | 4 ppb (2021–2023) action level 15 ppb |
| Water Quality | Total trihalomethanes resolved · Apr 2018 |
|---|---|
| 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 259 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fiber · Fixed Wireless in parts of the area | 980 / 880 |
| T-Mobile Fixed Wireless | 100 / 20 |
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