Home Additions with 3 Brothers Building Co.
When you love your neighborhood but your home no longer fits your needs, an addition can be the answer: a bigger family room, a primary suite, a home office, a mudroom, or extra space for a growing family. A good addition feels like it belongs. The rooflines, windows, trim, and flow should match the original home inside and out.
Additions are bigger projects with more planning involved: design, permits, foundations, framing, roofing, and all the interior finish work. We work closely with you through each stage so you understand the plan and the progress.
What a home addition can involve
- Early planning: how the new space connects to the existing home
- Coordination of design drawings and permits as your project requires
- Foundation and site work coordination
- Framing of walls, floors, and roof structure
- Exterior closure: roofing, windows, doors, and siding coordination
- Insulation, drywall, and interior finish work
- Trim, doors, and painting to match the existing home
Every project is different. Your written quote will spell out exactly what's included in yours.
Planning comes first
Additions usually require drawings, permits, and attention to local zoning rules like setbacks. Early conversations focus on what you need the space to do, where it could go on your lot, and how it will tie into your existing rooms. We'll help you understand the steps involved and coordinate with designers or engineers when your project needs them.
Making it look original
The most common giveaway of an addition is a mismatch: different ceiling heights, trim that doesn't match, or a roofline that looks tacked on. We pay attention to how the new space meets the old, so transitions feel natural. Our framing and custom trim work help make the addition feel like part of the house.
Keeping you informed
Because additions take longer than most remodels, communication matters even more. You'll know what's happening each week, what's coming next, and any decisions we need from you.
How your home additions project works
Consultation
We talk through your goals and look at the home and lot.
Plan & quote
Scope, drawings and permits coordinated as needed, and a detailed quote.
Build
Foundation, framing, exterior, and interior finish work with regular updates.
Final walkthrough
We walk the new space with you and finish any punch-list items.
Why homeowners work with 3 Brothers
We work closely with homeowners from the first conversation to the final walkthrough. You'll know the plan, the schedule, and who to call. We take pride in quality work, from square framing and flat walls to tight trim joints and clean paint lines, and our goal is to earn clients for life: the team you call for the next project and recommend to family and friends.
Frequently Asked Questions
Do home additions need permits?
Yes. Additions almost always require permits and drawings, and they must meet local zoning and building codes. We'll talk through the process for your city or county.
Is it better to add on or finish my basement?
It depends on your needs. Finishing a basement adds living space within your existing footprint and often costs less per square foot, while an addition can add bedrooms, natural light, and main-level space. We're happy to talk through both options.
Can the addition match my existing home?
That's the goal. Matching rooflines, siding, windows, ceiling heights, and trim is a big part of planning an addition that looks original.
Where we work
We provide home additions for homeowners in the greater Columbus, greater Cincinnati, and greater Dayton areas of Ohio, including surrounding communities. Not sure if you're in our area? Include your project address or ZIP code in the consultation form and we'll let you know.