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When your home still fits the neighborhood but no longer fits your life, an addition can make room without starting over. Boise Construction Co plans room additions around the house already standing, from the first look at structure and utilities through permits, construction, and the final walkthrough.

Services

Home Additions in the Treasure Valley

When your home still fits the neighborhood but no longer fits your life, an addition can make room without starting over. Boise Construction Co plans room additions around the house already standing, from the first look at structure and utilities through permits, construction, and the final walkthrough.

Planning fromPriced after an in-home reviewYour exact range is confirmed at the free in-home visit

Representative image: Wood-framed house with roof trusses in place and stacked lumber on a gravel lot

A CLEAR SCOPE

Plan the details.
Know the next step.

  • 01In-home planning conversation and existing-home review
  • 02Design and structural coordination for the new connection
  • 03Permit-ready drawings and local permit coordination
  • 04Construction planning around access, utilities, and the occupied home
  • 05Final inspections and walkthrough

Cost and timeline

Planning a home addition in the Treasure Valley

Typical timeline

The right schedule depends on the addition, the existing structure, permit review, and the work needed to connect new space to the home. We review those details with you before setting a construction plan.

An addition is not priced like a blank-site home. The existing structure, the connection point, utilities, access, and the room you need all shape the scope. An in-home review is the right place to start a useful budget conversation.

We do not promise a fixed price before reviewing the existing home. The first planning conversation helps identify the work that needs to be understood before a detailed estimate is prepared.

Why choose us

Why homeowners choose us

  • 01

    Make room for the way your household lives now

  • 02

    Plan the addition around the existing home before construction begins

  • 03

    Coordinate design, permits, and construction with one team

  • 04

    Keep decisions clear while work is happening at the home you live in

Representative image: Open living area with a wood ceiling, stone fireplace, and windows along one wall
Representative image: Three people in hard hats standing outdoors reviewing a drawing, with a framed house behind them

How it works

Our process, step by step

01

Start at your home

We meet at the house to understand what is not working, what space you need, and how the new room should connect to daily life.

02

Review the existing conditions

The current structure, utilities, access, and the likely connection point guide the plan before the scope is finalized.

03

Design and permits

We coordinate drawings and the local permit path so the addition is planned for the home it will join.

04

Build with a clear plan

Construction is sequenced around the work site and your household, followed by inspections and a final walkthrough.

Room additions across the Treasure Valley

We plan home additions in Boise, Meridian, Eagle, Nampa, Kuna, Star, Middleton, Caldwell, and Garden City. Local permit paths and the details of an existing home vary, so every project begins with the home itself.

Choose your city for local home addition guidance, or schedule an in-home planning conversation to talk through the space you need.

Representative image: Wood-framed house with roof trusses in place and stacked lumber on a gravel lot
Framing that ties new space into an existing home.

A practical place to start

Useful additions start with a plain question: what would make this home work better? A bedroom, more living space, or a room that gives the household breathing room can all begin with that answer.

We then look at how the new space can meet the home already there, including structure, access, utilities, exterior continuity, and the permit path.

Representative image: Open living area with a wood ceiling, stone fireplace, and windows along one wall
Finished living space planned as a connected addition.

Common questions

Frequently asked questions

Room additions can create a bedroom, a larger living area, a suite, or flexible space for changing household needs. The first step is seeing how the new space can connect to the existing home.

That is the purpose of this service. We start with an in-home conversation and review the existing structure, utilities, access, and the area where the addition may connect.

Most additions require plans and permit review. The exact path depends on the property and jurisdiction, so we coordinate the local requirements as the project is planned.

Begin with a conversation at your home. Bring the problems you want the new space to solve, any photos or sketches you have, and questions about how construction may affect the household.

The connection between existing and new construction is a core design question. We work through the roofline, exterior materials, openings, and interior flow while the addition is being planned.

Start your project

Ready to begin?

Free 60 to 90 minute in-home visit.

Planning guidance, design direction, no obligation.