Verified record
No state license for this trade. Maine doesn't license or register general contractor / remodelingbusinesses, so there's no state registry to check. That's true of every general contractor / remodeling business in the state, not a mark against this one. Insurance is self-reported.
Highlights
- New home build — a 2024 customer described an energy efficient design
- Guest bathroom renovation — a 2021 customer described a deep tub and tiled walls
- Structural cleanup — a 2024 customer said CSM helped fix major structural issues
- On-time arrival — a 2024 customer said he showed up when promised
CSM Custom Builders describes itself as a company that designs and builds custom homes across Maine and manages renovations, additions and complex residential projects. A 2024 customer said Jeffrey and the CSM team built their new home in Downeast Maine, with an energy efficient design and an upgrade to a radiant slab. That 2024 customer said CSM used local subcontractors and that Jeffrey kept them informed the whole time. A 2025 customer said Jeff and his crew remodeled their house with no hidden fees. A 2024 customer said Jeffrey and CSM helped clean up major structural issues in a house they had bought. A 2024 customer who hired Jeffrey for work on their property said he showed up on site exactly when he said he would and offered easy secure online payment for billing. In a 2021 review, a customer said Jeffrey and his team renovated their guest bathroom with a new deep tub, tiled walls and floor, and a vanity, and that Jeffrey coordinated with the subcontractors. A 2021 customer said Jeffrey addressed both structural and cosmetic needs on their kitchen remodel and took the time to explain his plans for the day or week. A 2021 customer said Jeffery's crew was respectful of their working from home during a remodel. A 2020 customer said their whole kitchen project was carefully planned and executed. CSM Custom Builders holds 5 stars from 18 Google ratings, 5.0 stars from 6 Houzz ratings, and an A+ grade from the Better Business Bureau.
What does a remodeling project cost in Greater Portland?
Typical your area range for this kind of work, from regional averages — not a quote from CSM CUSTOM BUILDERS. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$23,000 – $35,000
Typical remodeling project around $29,000
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