Boise, Idaho ADU & Home Builder

Custom Homes & ADUs Built on Your Lot Across the Treasure Valley

The Smarter Way to Build

We Know Treasure Valley Development

We've tackled custom homes, ADUs, and infill development across the Treasure Valley. When local codes or tricky lots come up, we've got a solution.

We Handle Everything

Pick from our floor plan library and get design, permits, site work, and construction — all handled under one roof.

Built Around Your Goals

Custom homes, multi-generational living or investing -- we design around what matters to you.

Transparent Pricing

We give you real numbers up front, and do the work to clarify any open loops before we build.

Our Building Services in Boise

From accessory dwelling units to custom homes and small-scale developments, we help Boise property owners build smarter, faster, and with greater long-term value.

Boise ADU Builder

Accessory Dwelling Units - also known as guest houses, granny flats, backyard cottages, or garage conversions — are one of the most powerful ways to increase property value and generate rental income in Boise.

As a dedicated Boise ADU Builder, we help you:

Navigate local zoning and setback requirements
Design within Boise’s 900 sq ft ADU regulations
Handle permitting with the City of Boise and surrounding municipalities
Build efficiently with a 120-day target schedule
Maximize ROI for rentals or multigenerational living

Whether you’re building for family, passive income, or long-term flexibility, we make the ADU process simple.

Custom Homes Built on Your Lot in Boise

Already own land in Boise or the Treasure Valley? We specialize in build-on-your-lot custom homes designed around your property, budget, and long-term goals.

Unlike production builders tied to subdivisions, we build on:

We focus on smart layouts, efficient construction systems, and durable materials — creating homes that feel high-end without unnecessary complexity.

Infill & Small-Scale Development in Boise

Boise’s growth is reshaping neighborhoods. We work with property owners and investors to unlock value through infill development, cottage villages, and small multi-unit residential projects.

If you own underutilized land in Boise, Meridian, Caldwell, or Nampa, we can help you evaluate:

We understand local planning departments, zoning overlays, and development strategy — allowing you to move forward with clarity.

Experience You Can Build On

From planning to final build, our team delivers reliable construction backed by local expertise and proven results.

Drag & Drop Site Planner

Every successful infill project begins with smart site planning. That’s why we developed our own drag and drop tool — try it now to explore what is possible on your property.

Select a Plan Designed for Your Lot

The Borah

Introducing The Borah, our 600 SQFT 1 bed, 1 bath Garage ADU plan that maximizes space without compromising on comfort. This Accessory Dwelling Unit (ADU) features an open-concept layout, perfect for singles or couples seeking a cozy and efficient living space.

The Camas

Introducing The Camas, our 550 SQFT 1 bed, 1 bath ADU plan that maximizes space without compromising on comfort. This Accessory Dwelling Unit (ADU) features an open-concept layout, perfect for singles or couples seeking a cozy and efficient living space.

The Settler

Introducing The Settler, Mode Homes’ 800 SQFT ADU plan perfect for family, guests, or rental income. Two bedrooms, a full kitchen with island, and a dedicated laundry room with side-by-side W/D hookups. Built to feel like home.

The Basin

Introducing The Basin, Mode Homes’ 616 SQFT of smart design with room to grow. A cozy one-wall kitchen, private bedroom and bath on the main floor, a spacious loft above, and a covered patio out front. Perfect for Boise infill living with smart design focus.

The Clearwater

Introducing Mode Homes’ 524 SQFT ADU plan, The Clearwater. Built for the way Boise people actually live. The main floor gives you a full bedroom, bath, and kitchen. The 264 SF loft adds flex space above. The 132 SF covered patio brings the outdoors in. And the attic storage? That's where your skis, paddleboards, and camping gear live — ready for your next adventure.

The Haven

Introducing Mode Homes’ 779 SQFT ADU plan, The Haven. This is the plan that feels like a real home. Two full bedrooms, two full bathrooms, a private ensuite at the master, and vaulted ceilings that make 779 SF feel much larger. Built for Boise families, multigenerational living, or premium rental income.

Homes They Love, Stories We Build

Boise Building Resources

Real answers to the questions Treasure Valley homeowners ask us every day — ADUs, infill lots, permits, and everything in between.

ADU Basics
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The Ultimate Boise ADU Guide (2026)

Thinking about building an ADU but not sure where to begin? This beginner-friendly guide explains the entire process—from property evaluation and design to permits, financing, and construction.