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CASTLE ROCK SERVICES

MEP Engineering in Castle Rock

Site visit and written estimate, $149

Licensed MEP engineering services for Castle Rock and Douglas County. Mechanical, electrical, and plumbing design.

What Castle Rock requires

Code reference: Exempt work follows the Town’s adopted amendments to the 2024 International Residential Code (IRC) and International Building Code (IBC), per Ordinance No. 2026-017 (effective around June 30, 2026). Ord. No. 2026-017

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MEP Engineering

Mechanical, electrical, and plumbing design

Book online

Pick your job and choose a time.

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

  • Site visit and written estimate

    We come out, look at the job and send you a written estimate.

    Pay when you book · morning (8–12) or afternoon (12–4)

    What's included

    We come out, look at the job and send you a written estimate. The visit is credited to the job if you go ahead.

FREE PLANNING TOOLS

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

Local Service

MEP Engineering Services in Castle Rock, Colorado

Autotelic provides professional MEP engineering services throughout Castle Rock and the surrounding Douglas County area. Professional MEP engineering services including HVAC design, electrical load calculations, plumbing layouts, and energy code compliance. Whether you're in Castle Rock (Douglas County seat) or nearby communities, our team delivers quality workmanship, licensed and insured.

Permit Thresholds

Castle Rock permit thresholds

Code reference
Exempt work follows the Town’s adopted amendments to the 2024 International Residential Code (IRC) and International Building Code (IBC), per Ordinance No. 2026-017 (effective around June 30, 2026).Ord. No. 2026-017
Code reference
One-story detached accessory non-habitable structures (tool sheds, playhouses, etc.) ≤ 120 sq ft, ≥ 10 ft from the nearest occupiable structure.
Code reference
Fences ≤ 6 ft high (swimming pool barriers of any height are *not* exempt).
Code reference
Shingle repair or replacement not exceeding one square (100 sq ft) of covering per building.
Code reference
The adopted codes (2024 IRC/IBC and related) govern when alterations trigger permitting.
Code reference
See Title 15 of the Castle Rock Municipal Code (and amendments in Ordinance 2026-017) for the full adopted code language on work exempt from permit (primarily amending IRC R105.2 and equivalent IBC sections).Ord. 2026-017
Building use tax
5.2% applied to 50% of the project’s valuation (materials estimated at half the valuation).
Code reference
This comprises the Town’s 4.2% use tax rate + Douglas County’s 1% use tax rate.
Ord. No. 2026-017Source: crgov.com

Codes are amended regularly — verify current requirements with **The Town of Castle Rock Building Division (part of Development Services) issues residential building permits within the town limits.

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What MEP coordination covers

MEP engineering coordination on Denver-metro projects means bringing design professionals into mechanical, electrical, and plumbing scopes: HVAC loads and duct layouts, electrical one-lines and panel schedules, plumbing risers, and energy-code documentation. The general contractor coordinates schedule, permitting, and construction around sealed drawings. A municipally licensed Denver general contractor does not replace the engineer of record; it coordinates design professionals and the build team. Cost is project-specific and depends on building type and system complexity.

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What buyers should prepare

Project type (tenant finish, addition, equipment swap), any existing drawings, and known panel, HVAC, or plumbing capacity limits.

FAQ

Common questions

How much does Site visit and written estimate cost in Castle Rock?

$149.

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 in full. We confirm within 24 hours or refund you in full.

Who handles MEP permits and licensing?

A municipally licensed Denver general contractor coordinates the project, design professionals, and specialty trades. Colorado has no statewide general contractor license.

Is the GC the MEP engineer of record?

No. Sealed mechanical, electrical, and plumbing design is provided by design professionals who seal the documents. The GC coordinates construction around those documents.

When is an SUDP involved?

Denver DOTI reviews Sewer Use and Drainage with most building-permit packages, including many remodels, because fixture or drainage changes can affect sewer use.

What information helps define scope?

Desired system changes, existing drawings if any, photos of equipment and panels, and city or county.

Service Area

Serving Castle Rock and Douglas County

We serve Castle Rock, 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 Castle Rock project.

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