Home Additions, Detached Garages & ADUs – North Shore, MA
Kellogg Construction
At Kellogg Construction, we turn your expansion plans into reality with custom home additions, detached garages, and ADU solutions across the North Shore. Whether you’re looking to build a guest suite, extend your living space, or create a separate rental unit, our team delivers premium craftsmanship, reliable timelines, and personalized service from start to finish.
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Home Additions, Detached Garages & ADUs by Kellogg Construction
Expand Your Space with Style, Function, and Lasting Craftsmanship
At Kellogg Construction, we don’t just add square footage — we design functional, beautiful spaces that elevate your lifestyle. Whether you're envisioning a spacious in-law suite, a private detached garage, or a fully equipped accessory dwelling unit (ADU), our team brings the experience and precision needed to bring your ideas to life
As a trusted North Shore builder, we focus on details that matter — seamless architectural flow, high-end materials, and custom layouts designed around how you live. With a reputation built on communication, craftsmanship, and care, we treat every project like it’s our own home.



In-Law Suite Addition
Private entrance, cozy layout, and comfort-first design perfect for extended family or guests.
Custom Detached Garage
Spacious, secure, and built to match your home’s style — ideal for vehicles, storage, or workshops.
Modern ADU Living Space
Fully functional accessory unit with kitchen, bath, and flexible use as a rental or guest retreat.
Simple Process
Bring Your Vision to Life in 3 Simple Steps
Start your home expansion with confidence. Whether you’re planning a custom addition, a detached garage, or a modern ADU, Kellogg Construction handles every detail with precision, care, and craftsmanship. From design ideas to final build, our projects are tailored to your lifestyle, goals, and property layout.
Our streamlined 3-step process makes it easy:
We listen to your needs, complete a thorough site evaluation, and provide a clear, competitive estimate. Home expansion made simple — with results built to last for years.
Any questions? We’ve got you covered.
Have questions about expanding your home? We’re here to help. Whether you’re planning an addition, building a garage, or exploring ADU options, our team is ready to guide you. Reach out anytime and we’ll make the process easy and clear.
How do I get started with a project?
Start by contacting us for a free consultation. We’ll review your goals, space, timeline, and budget. From there, we walk you through planning, design, permitting, and next steps.
Are you licensed and insured?
Yes, Kellogg Construction is fully licensed and insured to operate throughout Massachusetts.
How long will my addition or ADU take?
Timelines vary depending on scope and permitting, but most projects take several weeks to a few months. We’ll give you a detailed schedule during your estimate.
Can you help with design and layout?
Absolutely. We’ll help you with floorplans, material choices, and functional design that matches your lifestyle and home
What types of projects do you specialize in?
We focus on custom home additions, detached garages, and fully outfitted ADUs. All work is high-end, detail-oriented, and built to last.
Contact With Us
Send us a message, and we’ll respond promptly.
Need Any Help?
Call or message us, and we’ll respond as soon as possible.