Home Addition Contractor in Randolph, MA
When your household needs more space but you love your neighborhood, a home addition is the perfect way to stay rooted while expanding your comfort and functionality. At Provost Companies, we specialize in thoughtful and structurally sound home additions in Randolph, MA — designed to integrate seamlessly with your existing home while enhancing livability and long-term value.
Whether you’re looking to expand a living area, add bedrooms, create a dedicated home office, or increase space for entertaining, our experienced team brings expertise and craftsmanship to every phase of your project.
Tailored Additions for Every Randolph Home
Randolph is a community of diverse homes and architectural styles, from charming ranches to classic Colonials. Our approach to home additions prioritizes respect for your home’s original character while introducing modern functionality and comfort. We work with you to design an addition that complements your home’s proportions, matches exterior materials, and flows naturally from existing spaces.
Our New Home Addition Contractor Services

Room Expansions
Expand your kitchen, living room, or master suite to create open, inviting spaces perfect for entertaining and relaxation.

In-Law Suites
Provide loved ones with a private, fully equipped living space that ensures comfort and independence.

Home Office Additions
Create a quiet, productive workspace designed to fit your professional needs.

Second-Story Additions
Maximize your home’s potential by building upward, doubling your living space without sacrificing yard space.

Garage Additions
Add storage, functionality, and curb appeal with a custom garage addition. Whether you need extra parking, a workshop, or a multi-purpose space, our team designs and builds garages.

Design and Build
From concept to completion, our design and build approach ensures a seamless process. We manage every aspect of your home addition project.
A Seamless Process from Start to Finish
At Provost Companies, we manage your home addition project from initial concept to final completion:
Consultation & Planning
We begin with a conversation about your needs, goals, and vision for the addition. Together, we clarify your priorities and explore design options that make sense for your home and budget.
Design & Engineering
Our team crafts a thoughtful layout and design that respects your home’s style while maximizing utility. We consider structure, flow, natural light, and long-term use.
Permitting & Approvals
We handle local permitting and compliance with Randolph building codes to ensure your project moves forward without surprises.
Construction & Execution
Our skilled builders bring the design to life with precise construction, quality materials, and disciplined project management.
Final Walkthrough & Handoff
We walk through the completed space with you to confirm every detail meets your expectations and delivers a functional, beautiful result.
We treat every home as if it were our own — with respect, quality workmanship, and a commitment to excellence.


