TinyMod (TMOD™) is an offsite development partner offering feasibility analysis, project management, and factory coordination for builders. Services support ADUs, modular communities, BFR, and missing middle housing with up to 60% faster build t... read more
Expert ADU contractors handle detached ADUs, garage conversions, granny flats, JADUs & in-law suites. From design and permitting to final inspection, experienced ADU builders ensure code-compliant, high-quality accessory dwelling unit construc... read more
Custom ADU Builders, LLC is Denver's trusted ADU contractor offering detached ADUs, garage conversions, and home remodeling. Serving Aurora, Lakewood & more with transparent pricing and expert permitting support.
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Denver ADUs (granny flats, garage conversions, in-law units) offer affordable housing density solutions. DL Engineering Inc. provides structural engineering, design, and permitting services for Denver accessory dwelling unit projects.
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Alex Home Pro builds attached, detached, garage conversion, junior, and internal ADUs. Services cover design, permitting, and construction tailored to each property. ADUs can generate rental income, house family, or add long-term property value.read more
Little Home Builder is Colorado's dedicated ADU contractor, specializing in stick-built detached ADUs, garage conversions & studios. Full-service from zoning to warranty. Build time: 4–8 months. Financing options available.
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Colorado general contractor since 2005, offering ADU builds, kitchen remodels, bathroom renovations, basement finishing, roofing, and new home construction. Free consultation, no upfront payment, licensed and insured.
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Elmntl builds modular ADUs across Denver and Colorado's Front Range. Specializing in detached ADUs, garage conversions, and in-law suites, they handle zoning, permitting, and installation with a 10-year structural warranty.
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AAA Home Improvements is a Denver ADU contractor building detached ADUs, garage conversions, basement units & in-law suites across the Front Range. They manage design, permitting & construction for homeowners in Denver, Lakewood, Arvada &a... read more
As experienced ADU builders in Denver, Kalin Construction has helped numerous homeowners bring their visions for their homes to life. They'll listen to your wants and needs for the project, then craft an ADU that checks all of your boxes. Whether ... read more
AAA Home Improvements is a Denver ADU contractor building detached, garage conversion, basement, above-garage, and attached ADUs across the Front Range. They manage design, permitting, and construction for homeowners seeking rental income, multige... read more
O'Brien Construction LLC is an ADU contractor specializing in design, engineering, and construction of accessory dwelling units. Services include detached ADUs, additions, and design-assisted builds, with free consultations available.
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Zelenka Development is a licensed ADU builder and custom home contractor in the Denver metro area, offering ADU construction, garage conversions, renovations, and integrated design services with full permitting support.
read moreIf you're considering adding an accessory dwelling unit (ADU) to your property in Longmont, Colorado, you're making a smart investment. With Longmont's growing population and increasing housing demand along the Front Range, ADUs have become one of the most popular ways to maximize property value, generate rental income, or create space for multigenerational living. Finding the right ADU contractor in Longmont is the critical first step toward turning your vision into reality.
Longmont offers a unique blend of small-town charm and proximity to Boulder and Denver, making it a highly desirable place to live. The city has seen consistent growth, and rental demand remains strong. Building an ADU in Longmont allows homeowners to:
Before breaking ground, it's essential to understand Longmont's ADU regulations. The City of Longmont permits ADUs in most residential zones, but there are specific rules that experienced ADU contractors in Longmont must navigate carefully. Key regulations include:
A knowledgeable Longmont ADU contractor will be familiar with the city's permitting process through the Longmont Building and Safety Division, ensuring your project meets all local codes and avoids costly delays.
Skilled ADU builders in Longmont, CO can construct several types of accessory dwelling units to suit your property and goals. The most common types include detached ADUs (standalone backyard cottages), attached ADUs (additions connected to the main home), garage conversions, and basement ADUs. Each type comes with its own set of construction considerations, costs, and permitting requirements.
When selecting an ADU contractor in Longmont, Colorado, look for professionals with proven local experience, proper licensing, and a strong portfolio of completed ADU projects in the area. The best contractors will guide you through design, permitting, construction, and final inspection — delivering a high-quality ADU that complies with all Longmont municipal codes and maximizes your investment.