Massachusetts licenses electricians, plumbers and gas fitters as individuals, requires a Construction Supervisor License for most building work and Home Improvement Contractor registration for most jobs on existing homes.
We don't hold the licensing board's file for Cambridge, so we don't show license status for the 4,266 firms on the permit file. Check each one yourself.
Ask the contractor for the license number and look it up at Massachusetts license lookup. How to check a contractor's license in Massachusetts →
The middle value recorded on this contractor's matching permits. It's a permit value, not a quote or the final price. Ask for a written estimate.
Matching Cambridge permits in the most recent year of our data. It shows recent recorded activity here, not every job the company did.
For contractors with at least 5 permits a year or more old, the share marked complete. A permit can stay open because of paperwork or timing, so this isn't a workmanship grade.
An estimate of how quickly their permits are marked complete, based on permit status and age, compared with other Cambridge contractors in the trade. Shown for firms with 20+ permits.
Not shown yet for Cambridge — see the note below.
About the ranking: The score combines how much of this exact work a contractor has on record, how often their older permits reached completion (where we can measure it), how well their usual job size matches your budget, how recently they've been active, and how much of their work is near you. A measure we can't calculate is left out rather than guessed, and a thin record pulls the score toward the middle. A contractor whose matched license has a problem is listed after everyone else. You set the weights with the sliders on every list.
Cambridge specifics: Cambridge publishes no completion dates, so speed is estimated, and many permits stay open after the work is done. Electrical permits name the licensed master electrician rather than a company, and many plumbing, gas and HVAC permits name the license holder, so those contractors are listed under a person's name. Plumbing, gas, HVAC and sprinkler permits record no job cost. Massachusetts publishes no bulk license list, so license status isn't shown.
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The numbers: Cambridge permit statistics · How long permits take in Cambridge
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