Boston, MA
PRESSURE WASHING / WINDOW CLEANING ESTIMATING.
QUICK ANSWERS.
Do pressure washing companies need a license to operate in Boston or Massachusetts?
Massachusetts does not require a state trade license specifically for pressure washing or window cleaning at the ground level. However, any work involving suspended scaffolding or powered platforms above 24 feet requires the operator to hold a Massachusetts Hoisting Engineer license (1C or 2A class) under 520 CMR 6.00. Boston also requires a Home Improvement Contractor (HIC) registration through the Office of Consumer Affairs and Business Regulation if you are performing work on residential property valued over $1,000.
Is soft washing required for historic masonry in Boston?
The City of Boston and the Massachusetts Historical Commission do not mandate soft washing by code, but properties in local historic districts — including Beacon Hill, Back Bay, and the Bay Village Local Historic District — require review for any cleaning method that could alter the appearance or integrity of historic facades. Many property managers specify soft wash (500–1,000 PSI with chemical dwell) contractually to protect pointed brick and limestone trim. Your estimate should call out the method explicitly to avoid disputes.
LOCAL FACTS.
Journeyman exterior cleaning technicians in the Boston metro average $28–$36/hr in 2024, reflecting the area's union-adjacent wage norms and higher cost of living compared to the national median of roughly $20–$24/hr for the same work.
A Street Occupancy Permit for scaffold or boom lift setup on a public way in Boston typically runs $125–$300 depending on duration and lane impact, issued through the Boston Transportation Department. High-rise suspended scaffold additionally requires a Massachusetts DPS permit under 520 CMR 14.00, with fees starting around $100 per rig inspection.
Exterior pressure washing demand in Boston peaks in May–June (post-winter salt and grime removal) and again in September–October (pre-winter building prep). Window cleaning for commercial accounts runs year-round but exterior residential work drops sharply November through March due to freeze risk.
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