Home Building in Boise
Caldwell's housing covers a wide span of eras, with roughly 29% of homes built before 1980 and about 32% since 2010 (Census ACS 2020–2024). Boise Construction Co builds new homes for Caldwell and Canyon County clients, from blank-page custom designs to semi-custom plans and homes on your own land, and every Caldwell build starts from a written, line-item scope.
Service Areas
Home Builder in Caldwell, Idaho
Caldwell, Idaho is in Canyon County. Boise Construction Co builds there as a design-build home builder. Ada County and Canyon County permit steps are on the permit-flow page. Caldwell's housing covers a wide span of eras, with roughly 29% of homes built before 1980 and about 32% since 2010 (Census ACS 2020–2024). Boise Construction Co builds new homes for Caldwell and Canyon County clients, from blank-page custom designs to semi-custom plans and homes on your own land, and every Caldwell build starts from a written, line-item scope.
A CLEAR SCOPE
Plan the details.
Know the next step.
Why choose us
Why homeowners choose us
- 01
Local experience in Caldwell and Canyon County
- 02
Design-build team, one accountable contact
- 03
Line-item budget before we break ground
- 04
Written workmanship warranty
Local details
Local notes
We serve Caldwell homeowners across Wilson, and all of Canyon County. Addresses outside city limits go through the county instead; we check this for you at the first visit.
Home building services in Caldwell
Boise Construction Co is a design-build home builder serving Caldwell and the surrounding Canyon County area. Whether you are building a fully custom home, adapting a semi-custom plan, or building on land you already own, every project runs through one accountable team - from the first planning consultation and lot review, through design, permits, construction, and the day you get the keys.
Explore the specific services we offer in Caldwell below. Each links to a dedicated Caldwell page with local details, typical scope, and budget guidance.
- Custom Home Building in Caldwell
- Semi-Custom Homes in Caldwell
- Build on Your Lot in Caldwell
- Design-Build in Caldwell
- Home Design & Plans in Caldwell
- Home Additions in Caldwell
- ADUs & Guest Houses in Caldwell
- Lot Evaluation & Feasibility in Caldwell
- Shop Homes & Barndominiums in Caldwell
- Energy-Efficient Homes in Caldwell
Neighborhoods and lots we build on in Caldwell
We build throughout Caldwell, including Wilson. Indian Creek is the creek that flows through Kuna, Nampa, and Caldwell. Indian Creek Plaza is on that creek in downtown Caldwell. Lots vary block by block in setbacks, utilities, soil, and slope, so we evaluate the specific parcel before we price the home rather than applying a flat square-foot number.
As a local team familiar with Caldwell landmarks like Indian Creek Plaza, Caldwell Night Rodeo, College of Idaho, we understand the area's character and how to design a home that fits its street and holds its value.
Permits and planning in Caldwell
Permits inside Caldwell city limits come from the City of Caldwell Building Safety Division. The city's first plan review takes about 7 to 10 business days once the application is complete and fees are paid, and each resubmittal restarts that clock. Addresses outside city limits go through the county instead; we check this for you at the first visit.
Addresses outside city limits go through the county instead; we check this for you at the first visit.
We confirm the required submissions and inspection steps for your scope, then account for them in the project schedule.
Our Caldwell designs also account for the local semi-arid high desert with four distinct seasons, from insulation levels and window specification to a building envelope and exterior materials that hold up to freeze-thaw cycles.
Common questions
Frequently asked questions
Caldwell projects can be fully custom homes, semi-custom homes adapted from a plan, houses on property you hold, or shop homes. We also take on design or lot evaluation by itself, which suits Caldwell parcels outside a platted subdivision that need extra review.
Yes. P5 Home Co LLC, Idaho Registered Contractor #8381215, bonded and insured. Our registration details from the State of Idaho are available on request, and Caldwell's permit packet includes a contractor registration declaration under Idaho Code 54-5209, so that number appears on the permit.
Call, request a quote, or book a free planning consultation through the website. Whichever route you take, a Caldwell build gets a line-item budget before we break ground.
Yes. Caldwell is covered by our Treasure Valley service area, including Wilson. We'll build a custom or semi-custom home or a house on land you already have, and we can review a Caldwell lot ahead of your purchase.
Caldwell is a Canyon County city. Its Department of Building Safety (205 S. 6th Ave.) issues permits inside city limits. Addresses outside city limits go through the county instead; we check this for you at the first visit. To see how the Canyon County and Ada County paths differ, use our permit-flow comparison.
Caldwell's first plan review typically takes 7 to 10 business days for a complete set of plans and supporting documents. Parcels that aren't part of a platted subdivision take longer, and projects in a designated flood plain need a flood plain certificate.
Under the city's FY2026 schedule (Resolution 300-25), the permit fee comes from total project valuation: for example, $846.27 plus about 0.45% of value above $100,000 in the $100,000–$499,999 range. Residential plan review adds 40% of the permit fee, Planning and Zoning review 35% (minimum $55), and engineering review 20%.
Home building services in Caldwell
Custom Home Building
A home drawn from a blank page around your lot, your budget, and how you actually live.
Semi-Custom Homes
Start from a proven floor plan and personalize it, for a shorter timeline and a tighter budget range.
Build on Your Lot
You already own the land. We handle feasibility, design, permits, and construction from there.
Design-Build
Design and construction under one contract, so the drawings and the budget never drift apart.
Home Design & Plans
Architectural design, engineering, and permit-ready drawings for a home built to your site.
Home Additions
Useful new space added to the home you already live in, planned around the structure, utilities, and daily life already there.
ADUs & Guest Houses
Accessory dwellings and guest houses on the lot you already own, planned around setbacks, utilities, and how you will use the space.
Lot Evaluation & Feasibility
Soils, utilities, access, setbacks, and slope reviewed before you commit to a parcel.
Shop Homes & Barndominiums
Post-frame and steel-framed homes that pair finished living space with real working shop square footage.
Energy-Efficient Homes
High-performance envelopes, tight ducts, and low operating costs verified by blower-door testing.
Start your project
Ready to begin?
Free 60 to 90 minute in-home visit.
Planning guidance, design direction, no obligation.