Building Maintenance in Westchester

At North Hills Office Services, Inc., we have been providing building maintenance services in Westchester for over 48 years. Our commitment is to provide quality janitorial services at the lowest possible cost for our clients.

Zip codes we serve: 10543, 10549, 10552, 10550, 10553, 10801, 10805, 10804, 10803, 10573, 10580, 10591, 10707, 10607, 10601, 10605, 10603, 10606, 10701, 10705, 10710, 10704, 10703, 10708

Zip codes we serve in Rockland County: 10901, 10910-10928, 10930-10933, 10910, 10941, 10950, 10952-10954, 10956, 10958-10960, 10962-10965, 10968-10970, 10973-10977, 10979-10990, 10992-10994, 10996, 10997