- What We Do
Home Additions
Seamless Expansions Tailored to Your Home
Service
Home Additions
A well-designed home addition not only adds square footage but enhances the way you live. At Tekton Pro Builders, we specialize in creating seamless luxury additions that blend perfectly with your existing architecture while providing the extra space your family needs. Whether it is a new primary suite, an expanded kitchen, a home office, or a full second-story addition, our team manages every phase — from architectural design and engineering to permitting and construction — ensuring a smooth, transparent process from start to finish. As Boston’s trusted general contractor, we bring decades of experience to every home addition project.
What's Included
Architectural Planning
Custom design that complements your existing home structure and meets all local building codes in Boston and Massachusetts.
Permitting & Approvals
Full permit management including zoning, building, and HOA approvals handled by our licensed team.
Foundation & Structure
Engineered foundations and structural integration ensuring long-term stability and seamless transitions between old and new.
Full Integration
Complete interior and exterior finish work matching existing materials, millwork, and architectural details flawlessly.
Our Process
Initial Consultation
We visit your property to assess feasibility, discuss goals, and establish a realistic budget for your home addition.
Design & Engineering
Custom plans drafted in collaboration with architects and structural engineers.
Permitting
All necessary permits obtained before construction begins on your Boston-area property.
Construction
Phased build with regular progress updates and quality control inspections at every milestone.
Our Work
Projects Gallery
FAQ
Home Additions FAQs
Common questions about our general contracting and remodeling services.
How much does a home addition cost in Boston?
We proudly servHome addition costs in the Boston area typically range from $150 to $400+ per square foot depending on the scope, materials, and complexity. A basic bump-out addition may start around $80,000, while a full second-story addition or luxury primary suite can range from $200,000 to $500,000+. During your free consultation, we provide a detailed, itemized estimate tailored to your specific project.e homeowners throughout Boston and Greater Massachusetts, including Cambridge, Newton, Brookline, Wellesley, Lexington, Concord, Needham, Weston, Winchester, Belmont, Arlington, Somerville, and surrounding communities. For projects outside these areas, please contact us to discuss feasibility.
How long does a home addition project take?
A typical home addition project takes 12 to 20 weeks from groundbreaking to completion, depending on size and complexity. Smaller bump-out additions may complete in 8–10 weeks, while large multi-room or second-story additions can take 5–6 months. We provide a detailed timeline during the planning phase.
Do I need permits for a home addition in Massachusetts?
Project timelines vary depending on scope and complexity. A kitchen or bathroom remodel typically takes 6–12Yes, virtually all home additions in Massachusetts require building permits, and many also require zoning approval and possibly HOA approval. Tekton Pro Builders handles the entire permitting process as part of our service — we are fully licensed (CSL: CS-123612, HIC: 218002) and experienced with Boston-area building codes and regulations. weeks, a basement finishing project 8–14 weeks, home additions 12–20 weeks, and new custom home construction 6–12 months. During your initial consultation, we provide a detailed timeline tailored to your specific project.
Will a home addition match my existing home's architecture?
Absolutely. Our architectural design team specializes in creating seamless additions that match your existing rooflines, exterior materials, window styles, and interior finishes. The goal is for your addition to look and feel like it was always part of the original home.
Ready to Start Your Home Additions Project?
Contact us for a free consultation and detailed estimate from Boston's premier luxury general contractor.