206 Harold Street, Boston, MA, Massachusetts 02121. Investor Alert! Substantial BRICK 3 Family, Fully Leased with a CAP rate of 6! All units have 3-4 bedrooms/1 bath, spacious rooms, back decks, nice rental quality finishes with many updates and the building is FULLY DELEADED. 1 unit is a TAW and the other two are on lease to 8/31/21. Strong rental history with the building rarely having a vacancy. Call for your private showing today.