About

At Supremo Built, we believe that every construction is more than bricks and concrete—it’s a dream come true. We combine experience, innovation, and attention to detail to deliver projects that combine functionality, aesthetics, and durability.

Our vision

We build more than structures—we build trust.

Our goal is to be Maine’s benchmark for high-end construction and finishing. We work diligently to exceed expectations, enhance every space, and inspire confidence through craftsmanship, communication, and integrity.

About Supremo Built

About Supremo Built
From the mountain homes of Bethel to the vibrant neighborhoods of Portland, and down to the beaches of Kennebunkport and Old Orchard Beach, Supremo Built delivers high-end residential construction, luxury bathroom remodels, and investor-ready renovations with a meticulous project-management approach.
Based in Gorham and serving Windham and the greater Southern Maine region, we combine precision craftsmanship with a white-glove client experience.
We partner with:
Homeowners who want design detail and lasting value
Realtors & Investors seeking market-ready improvements that perform
Short-Term-Rental Hosts / Airbnb Owners needing design or setup consulting
Whether it’s a custom home, a historic remodel in Portland, a coastal upgrade in Kennebunkport, or a fast-turnaround flip, every decision we make is guided by quality, transparency, and efficiency.
At Supremo Built, you don’t just get a contractor—you get a collaborator who understands Southern Maine’s market, permitting nuances, coastal/mountain conditions, and the standards of discerning clients.
We coordinate design, trades, schedules, and finishes with the same care we bring to the final punch list—so the process feels seamless and the results stand out.We partner with homeowners who want design detail and lasting value, and with realtors & investors who need strategic, market-ready improvements that move quickly and perform. Whether it’s a custom home, a historic-minded remodel in Portland, a coastal upgrade in Kennebunkport, or a fast-turnaround flip, every decision we make is guided by quality, transparency, and efficiency.
At Supremo Built, you don’t just get a contractor—you get a collaborator who understands Southern Maine’s market, permitting nuances, coastal/mountain conditions, and the standards of discerning clients. We coordinate design, trades, schedule, and finishes with the same care we bring to the final punch list—so the process feels seamless and the results stand out.
Service highlights:
Custom homes and major renovations (Portland • Gorham • Windham)
Luxury bathroom/kitchen remodels (historic & coastal)
Investor & realtor solutions (value-add renovations, quick flips)
Owner’s-rep/project management from concept to completion
Ready to build something exceptional? Let’s talk about your project in Southern Maine.
OUR TEAM — Supremo Built
Behind every project is a team that treats your home—and your time—with respect. Supremo Built brings together construction leads, project managers, and a vetted guild of master trades across Southern Maine to deliver high-end results on a clear, reliable schedule.
Leadership
Duncan Smith, Founder & Client Lead — Gorham, ME
Bridges construction, real estate, and property management to keep projects organized, budgets transparent, and communication crisp—for homeowners, realtors, and investors alike.
Trusted Partners & Craftsmen
We work with a select network of licensed subcontractors and artisans in Portland, Windham, Bethel, Kennebunkport, and OOB—framers, masons, finish carpenters, tile specialists, and coastal-grade exterior experts—chosen for craftsmanship, cleanliness, and reliability.

Process

Our Work Process

Planning

Detailed planning ensures realistic deadlines, optimized costs, and efficiency.

Supervision

Each phase is closely monitored to maintain quality and safety.

Budgeting

Clear, accurate quotes aligned with your goals.

Building

From foundation to finish, we deliver lasting quality.