Investor Profile - MA
Justin Iantosca
Justin Iantosca is a real estate investor and operator based in Boston-Worcester, MA-NH. Public filings show activity across 40 properties held through 11 holding companies. Recent mortgage relationships include OneLocal Bank, Leader Bank, and COOPERATIVE BANK.
Justin's Activity
As of June 2026, public records show approximately $26.5M in recorded mortgage exposure linked to this investor across at least 17 mortgage filings and 40 properties held through 11 holding companies. Activity appears concentrated in residential and exempt assets recorded between 2015 and 2025.
Associated People
Primary Geography
Boston-Worcester, MA-NH
ZIP codes: 02130, 02131, 02125, 02121, and 02132
Most activity in JAMAICA PLAIN, ROSLINDALE, DORCHESTER, WEST ROXBURY, and ROXBURY.
Property Type Breakdown
Associated Entities (11)
MA · 3 properties · 4 mortgages
MA · 3 properties · 3 mortgages
+9 more entities not shown
Mortgages (17)
Top Lenders
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 09/01/2023 | $1.4M | Open | OneLocal Bank | 31 GREEN LLC | 51 BOYLSTON ST, JAMAICA PLAIN, MA 02130 |
| 06/28/2022 | $3.5M | Open | OneLocal Bank | 31 GREEN LLC | 29 GREEN ST #31, JAMAICA PLAIN, MA 02130 |
+15 more not shown
Owned Properties (40)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 51 BOYLSTON ST, JAMAICA PLAIN, MA 02130 | 31 GREEN LLC | Owns - 2.8 yrs | $1.3M |
| 46 BELGRADE AVE, ROSLINDALE, MA 02131 | JULIE MIRBACH | Sold | $815k |
+38 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in residential, exempt, and commercial properties across Boston-Worcester, MA-NH.
What companies is Justin Iantosca associated with?
Justin Iantosca is associated with 11 entities based on extracted signatures from public records. Key entities include OSGOOD PLACE LLC, 31 GREEN LLC, BELGRADE TRIANGLE LLC, 3190 WASHINGTON LLC, and WASHINGTON JP CONSTRUCTION LLC.
How many properties are associated with this investor?
At least 40 properties are associated with Justin Iantosca and the entities they control, based on signatures extracted from recorded documents connecting Justin Iantosca to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references OneLocal Bank, Leader Bank, and COOPERATIVE BANK, indicating a mix of lending relationships.
How recent is their activity?
Records show activity from 2015 through 2025, with the most recent mortgage recorded in 2023.
How is associated activity determined?
Elementix uses AI to extract signatures from recorded documents. These signatures are used to determine the relationships between people and entities. This is a novel approach that goes beyond looking at corporate filings and skip-tracing.
The information displayed on this page is compiled from recorded real estate documents, business filings, and other lawfully available sources. Elementix summarizes and analyzes public record activity related to investment real estate and associated business entities. Any contact indicators shown (such as email domain references or partial phone digits) are provided solely as unverified signals and may be incomplete or outdated.
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