Adding an Accessory Dwelling Unit (ADU) to your property is a smart way to increase your living space and enhance your home’s value. As an ADU builder, Allan Trant’s Exterior Finish creates custom ADUs that give you flexible space for modern living. Whether you need a guesthouse for family, a private home office, or a rental source, our team is here to guide you through every step, ensuring your new unit is built with the same care and quality as your main home.
Requesting a free estimate is quick, easy, and comes with no obligation to commit. Our team provides honest, transparent pricing so you can explore your options without pressure.
NOTE: We don’t offer repair or staining services
An ADU is a self-contained living unit on the same grounds as a single-family home. Our build-ADU service simplifies the process on your property. We start with a detailed consultation to understand your goals. Then, our team handles everything from design to construction, ensuring a seamless, high-quality build that meets all your needs and integrates seamlessly with your property.
We offer a complete ADU design-build service, meaning we manage your project from the initial idea through the final walkthrough. This integrated approach ensures a smooth workflow, clear communication, and a cohesive vision. By handling both design and construction, we can create a beautiful, functional space while keeping your project on time and within budget.
Navigating the rules for an ADU project can be complex. As experienced ADU building contractors, we have a strong understanding of zoning laws and local regulations. We’ll help you manage the permitting process, ensuring your new dwelling meets all legal requirements. Our expertise saves you time and prevents potential headaches down the road.
An ADU can be a great investment. It not only increases your property value but also creates an opportunity for generating rental income. This can help offset the construction costs over time and provide a steady source of passive revenue. We can help you design a space that is attractive to potential renters, maximizing your return on investment.
our Process
Every project follows the same five steps, so you always know what comes next and what it costs.
1
We meet within 48 hours of your form to talk through how you’ll use the new space and what you want it to do for your home.
2
We turn your goals into a design and 3D renderings, so you can picture the finished room before any work starts on your home.
3
Our quote itemizes permits, engineering, materials, and labor, and we handle every filing with town building inspectors and HOAs.
4
Our crew frames to engineered load requirements and runs a multi-point checklist at every stage, catching small issues early.
5
We walk the finished room with you, go through every item on the list, and hand over your warranty packet before we wrap up.
A new room becomes part of the house for decades, so we build it that way. We set the schedule up front and tell you early when it shifts. We won’t skip a step to hit a date, and our framing gets the same care as the finish work.
Allan Trant Exteriors, founded in 2014, is built on a legacy of craftsmanship spanning three generations. Allan Trant, a third-generation carpenter, grew up immersed in the art of construction. He learned the values of precision, hard work, and customer-first service from a young age. Today, his team specializes in creating high-quality decks and outdoor living spaces, delivering projects that reflect integrity and lasting value.
More than just a builder, Allan Trant Exteriors prioritizes personalized service and honest craftsmanship. From using premium materials to ensuring clear communication and timely project completion, we are committed to turning homeowners’ visions into reality. With a foundation of integrity and community commitment, our team creates spaces that homeowners can cherish for years to come.
A new room is a big investment, and we treat its protection that way. Every addition, from a finished basement to a four-season room, carries a one-year workmanship warranty on our crew’s work. The manufacturers’ warranties on your materials cover the products themselves. You’ll get a warranty packet with every detail spelled out before we wrap up. Knowing exactly what’s covered, and for how long, makes the years after move-in a lot easier.
MAKE YOUR OUTDOOR LIVING PROJECT AFFORDABLE WITH GREENSKY®
Investing in a custom composite deck, home addition, or outdoor living space shouldn’t mean compromising on quality or waiting years to build. At Allan Trant’s Exterior Finish Work, we partner with GreenSky® to offer flexible, hassle-free payment solutions tailored to fit your budget.
Through our dedicated GreenSky financing options, New Hampshire homeowners can take advantage of fast approvals, competitive rates, and deferred interest or low monthly payment plans. Whether you are planning a complete deck resurfacing, an ADU build, or a luxury outdoor kitchen, you can start construction today while managing payments comfortably over time.
Applying is quick, secure, and will not impact your credit score during initial pre-qualification. Contact our team today or visit our financing page to learn more about funding your upcoming project.
An ADU is a self-contained living unit on the same grounds as your single-family home. Many of our clients build one as a guesthouse for family, a private home office, or a rental.
We know zoning laws and local rules well, so we’ll help you work through the permitting process. We also work with town building inspectors and HOAs, so your new dwelling meets every legal requirement.
Yes. An ADU can raise your property value and create steady rental income that helps offset construction costs over time. We design the space with renters in mind, so it stays attractive and earns its keep.
Yes. We manage your ADU from the first idea through design, construction, and the final walkthrough. Keeping design and construction together keeps your schedule and budget on track.
It starts with a detailed consultation about your goals. Then fill out the form on our website, and we’ll go over your ideas, create a design, and calculate your free estimate. Final pricing depends on a site inspection of your property.
Choosing us as your ADU builder means you’re partnering with a team dedicated to quality and customer satisfaction. We combine generations of construction expertise with a commitment to using high-quality materials. We work closely with you to ensure your vision becomes a reality, creating a durable and beautiful space you can be proud of. Let a professional ADU builder handle your project with skill and care.
Call us today or request a free consultation and see how we can bring your outdoor vision to life.
