M and Son Construction. Residential and commercial

A good first visit is half diagnosis and half estimate — if a provider commits to numbers before walking the job, treat that as a warning sign. M and Son Construction. Residential and commercial shows up in Portland, ME as a roofing contractor candidate worth scoping before booking. The notes below separate public-source documentation from what still needs to come from the dispatch line. No structured service signals are present in the public-source pass for this listing. That makes the dispatch conversation the primary signal — ask which services they actually perform versus those that get subcontracted. No structured homeowner use-case mapping is on file. Ask the dispatch what their typical recent jobs are — small repairs, full replacements, or commercial maintenance contracts. Ask whether the provider leaves a written report after each visit listing what was done, what was found, and what to watch next. Without that, the next provider has to re-diagnose from scratch.