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THORNTON SERVICES

Custom Modular Home in Thornton

Site Analysis Package, $650

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Licensed custom modular home services for Thornton and Adams County. Factory precision. Custom design. On-site assembly..

What Thornton requires

Code reference: This is adopted by reference in Thornton City Code Sec. 10-174 (with amendments in Sec. 10-175), along with the 2024 International Existing Building Code. §10-174

See full local requirements ↓
  • Full Design Lifecycle
  • Construction & Tenant Finish
  • Smart Home · A/V · Edge Compute
Custom Modular Home

Factory precision. Custom design. On-site assembly.

Jobs you can book online

Pick your job and choose a time.

Pay when you book. We confirm within 24 hours or refund you in full.

  • Pre-Purchase Land Feasibility Package

    Before you close on a lot, we document zoning, buildable area, utility availability, and likely development costs.

    $375 deposit to book, the rest when the work is done · morning (8–12) or afternoon (12–4)

    What's included

    Before you close on a lot, we document zoning, buildable area, utility availability, and likely development costs. You receive a written report you can use during due diligence.

  • Site Analysis Package

    Full site visit documenting zoning, setbacks, grade, utilities, and access, delivered as a written site analysis report with photos.

    $325 deposit to book, the rest when the work is done · morning (8–12) or afternoon (12–4)

    What's included

    Full site visit documenting zoning, setbacks, grade, utilities, and access, delivered as a written site analysis report with photos. Gives you the constraints on paper before you spend on design.

FREE PLANNING TOOLS

Both tools are free and take a couple of minutes — start in either one.

Local Service

Custom Modular Home Services in Thornton, Colorado

Autotelic provides professional custom modular home services throughout Thornton and the surrounding Adams County area. Modular home installation across the Denver metro — factory-precision construction with on-site assembly, Tesla Solar Roof, and smart home automation. Whether you're in Thornton (one of Colorado's fastest-growing cities) or nearby communities, our team delivers quality workmanship, licensed and insured.

A recent build

Modular new build in Sunnyside

Sunnyside, Denver · 2026

Size
5 bed · 4 bath · 4,000 sq ft
Method
Factory-built modules, crane-set
Neighborhood
Sunnyside, Denver
  • Modular design-build
  • Site work & foundation
  • Crane set & stitch-out
  • Interior finish-out

A 5-bed, 4-bath, 4,000 sq ft modular home in Denver’s Sunnyside neighborhood — factory-built modules set by crane, finished on site.

Side elevation — brick screen tower under a wood soffit, with a dark metal upper story
Kitchen — light wood cabinets, marble counters, brass stools, and a globe chandelier
Living room — white sofa and a wire coffee table looking through to the kitchen
Entry niche — wood bench with a basket, hat, and boots under a hanging bag

Permit Thresholds

Thornton permit thresholds

Code reference
This applies to residential remodels and is governed by the city’s adopted codes (2024 International Residential Code, 2024 International Existing Building Code, and related codes with local amendments, effective for applications on or after July 1, 2025).
Code reference
Attached decks of any height; any deck serving the main exit door; decks with attached roofs; decks/porches 200 sq ft or larger; any deck or porch in the front yard.
Code reference
Fences over 7 ft tall; retaining walls over 48 inches (measured from bottom of footing; engineering required).
Code reference
Room additions; attached/detached garages; accessory buildings larger than 200 sq ft.
Code reference
Detached decks less than 200 sq ft and less than 30 inches above grade that do not serve the main exit door.
Code reference
One-story detached accessory structures less than 200 sq ft.
Code reference
Fences 7 ft tall or less.
Code reference
Painting; minor roofing repair (one square or less); replacement of less than 100 sq ft of asphalt shingles.

Codes are amended regularly — verify current requirements with **The Building Inspection Division of the City of Thornton (Colorado) issues residential building permits.

Energy Code

Thornton energy code quick facts

Code reference
2024 International Energy Conservation Code (IECC), including the Colorado Model Electric Ready and Solar Ready Code (with local amendments), effective July 1, 2025.
Code reference
This is adopted by reference in Thornton City Code Sec. 10-174 (with amendments in Sec. 10-175), along with the 2024 International Existing Building Code.§10-174
Code reference
Permit applications submitted on or after July 1, 2025, must comply.
Code reference
No specific local numeric amendments to prescriptive requirements (e.g., R-values, U-factors, or air-sealing thresholds for Climate Zone 5B) or details on remodels/additions beyond the base 2024 IECC + state model code are identified in available sources.

Codes are amended regularly — verify current requirements with **The Building Inspection Division of the City of Thornton (Colorado) issues residential building permits.

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What this covers

Factory-built modules set on a Denver-area foundation with site-built connections. Transport, crane, and weather window are part of the plan; finish and utility tie-in happen on site.

FAQ

Common questions

How much does Site Analysis Package cost in Thornton?

$650.

How do I book?

Press Book next to the job, pick a date and a morning (8–12) or afternoon (12–4) window, and pay the $325 deposit. We confirm within 24 hours or refund you in full.

Who handles the custom modular home permits and licensing?

A municipally licensed Denver general contractor coordinates licensed specialty trades. Colorado has no statewide general-contractor license; cities and counties license general contractors. DORA licenses electrical and plumbing, not general contractors.

What is typically in scope for custom modular home in Denver?

Factory-built modules set on a Denver-area foundation with site-built connections.

Service Area

Serving Thornton and Adams County

We serve Thornton, CO and all surrounding Denver metro communities. Our team is based in Denver and operates throughout the Front Range, from Castle Rock to Longmont and everywhere in between. Contact us for a free estimate on your Thornton project.

How It Runs

01

Survey

02

Design

03

Build

04

Verify

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