Boise, Idaho ADU & Home Builder

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

The Smarter Way to Build

Unified Management

One accountable team oversees your ADU from concept to completion.

Code Expertise

We manage zoning, permits, and compliance to prevent costly delays.

ROI Planning

Strategic layouts and budgeting designed to maximize rental income potential.

Transparent Pricing

Clear cost breakdowns, milestone updates, and zero hidden surprises.

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.

Measured Site Planning and Lot Strategy

Every successful residential build begins with disciplined site evaluation. At Mode Homes, we approach site planning as an architectural foundation — not a preliminary step. Every successful residential build begins with disciplined site evaluation. At Mode Homes, we approach site planning as an architectural foundation — not a preliminary step.

Through careful planning and regulatory awareness in Boise, we create residential layouts that feel structured, efficient, and integrated with their environment — never forced or improvised.

Select a Plan Designed for Your Lot

Granada

Introducing our 1200 SQFT ADU plan, a thoughtfully designed ADU 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.

Marina

Introducing our 500 SQFT ADU plan, a thoughtfully designed 1 bedroom ADU 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.

Atlas

Introducing Mode Homes’ 748 SQFT ADU plan — a thoughtfully designed living solution that maximizes space without compromising comfort. This modern Accessory Dwelling Unit features an open-concept layout, perfect for singles or couples seeking a cozy, efficient, and stylish home. Built with Mode Homes’ focus on smart design and quality living.

Crestline

Carmel

Brookside

Homes They Love, Stories We Build

Insights & Ideas for Modern Living

Stay informed with the latest trends, tips, and expert advice in residential construction.

ADU Basics
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ADU Financing Options: How Homeowners Fund Their Projects

Financing an ADU is easier than many homeowners think. This guide explains common funding options and how to choose the right financing strategy.

ADU Design
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How Long Does It Take to Build an ADU?

Building an ADU involves several stages, each with its own timeline. This guide explains how long the process typically takes from planning to final construction.

Construction
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7 Smart Ways an ADU Can Increase Your Property Value

Adding an ADU can significantly increase your property’s value while creating new income opportunities. Here are seven ways ADUs improve long-term real estate investments.