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Pop-Top Addition in Superior

Licensed pop-top addition services for Superior and Boulder County. Go up, not out — add a full second story.

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Pop-Top Addition

Go up, not out — add a full second story

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Local Service

Pop-Top Addition Services in Superior, Colorado

Autotelic provides professional pop-top addition services throughout Superior and the surrounding Boulder County area. Pop-top second-story additions across the Denver metro — add bedrooms, bathrooms, and living space without expanding your footprint. Structural engineering included. Whether you're in Superior (south Boulder County) or nearby communities, our team delivers quality workmanship backed by Colorado licensing and full insurance coverage.

Permit Thresholds

Superior permit thresholds

Code reference
A permit is required for all types of remodels including basement finishes, structural repairs, replacement of windows, additions, decks, fences, retaining walls over 4 ft. tall, roof replacements/repairs, insulation installation (with specific guidelines), mechanical equipment (e.g., AC
Exempt work is not exhaustively listed but implied by the requirements
e.g., detached accessory structures ≤200 sq. ft. do not require a permit (only those >200 sq. ft. do).
Code reference
These requirements align with the Town’s adoption of the 2024 International Residential Code (IRC) and related codes (with local amendments) under Chapter 18 of the Superior Municipal Code (see also Sec. 18-1-10 et seq.Sec. 18-1-10
Code reference
Specific permit triggers and exemptions follow the adopted codes (typically IRC Section R105 or equivalent) as locally implemented and detailed on the town’s guidance page.Section R105
Plan Review Fee
65% of the Building Permit Fee (in addition to the Building Permit Fee).
Town Use Tax
3.775% (2025) of 50% of total project valuation (materials cost assumed to be 50% of total valuation).
County Use Tax
1.335% (2026) of 50% of total project valuation (materials cost assumed to be 50% of total valuation).

Codes are amended regularly — verify current requirements with **The Town of Superior’s Building Department (operated by SAFEbuilt) issues residential building permits.

Zoning & ADU

Superior zoning & ADU quick facts

Code reference
R-E, R-VL, R-L, and R-M are the primary single-family residential zone districts in Superior (with ADUs also allowed in Planned Developments and on lots permitting single-unit or two-unit dwellings).
Code reference
Key numeric standards (per the Schedule of Requirements in Sec. 16-6-120 of the Superior Municipal Code, as amended by Ordinance O-8 Series 2025; ADU specifics in Sec. 16-6-160):Sec. 16-6-120
Max lot coverage
R-E: 20%; R-VL: 30%; R-L: 40%; R-M: 40%.
Max building height (principal structures)
R-E: 32 ft (2 stories max); R-VL: 32 ft (2 stories max); R-L: 32 ft (2 stories max); R-M: 32 ft (2 stories max).
Max building height (accessory structures/garages)
Generally 10 ft (or 32 ft for accessory structures >120 sf or detached garages in applicable cases, per district or Original Town guidance).
Detached ADUs
lesser of principal height or 32 ft.
ADU permitted
Yes in R-E, R-VL, R-L, R-M (one per single-unit or two-unit dwelling; also in PDs and lots allowing single-/two-unit dwellings).
ADU max size
No larger than 50% of the principal dwelling unit’s square footage or 750 sf, whichever is larger (and in no event exceeding the principal unit’s square footage).

Codes are amended regularly — verify current requirements with **The Town of Superior’s Building Department (operated by SAFEbuilt) issues residential building permits.

Energy Code

Superior energy code quick facts

Code reference
2024 Metro Cohort Model Code (based on the 2024 IECC), with local amendments/interpretations; Superior is in IECC Climate Zone 5B (Boulder County).
Code reference
The Town of Superior has adopted the 2024 International Building/Residential/Mechanical/Plumbing/Fire/Fuel Gas/Existing Building codes and the 2024 Metro Cohort Model Code (based on the 2024 IECC) by reference, with amendments detailed in Chapter 18 of the Superior Municipal Code (adopting ordinanceordinance referenced
Code reference
The energy code applies to new construction, additions, and alterations (including remodels) per standard IECC scope.
Code reference
Key prescriptive requirements relevant to remodels/additions (drawn from Town reminders/interpretations and aligned with the adopted code base for CZ 5B; exact sections may reference the model code or Chapter 18 amendments):
Wall insulation
R-25 (listed under Town reminders/interpretations).
Ceiling/attic insulation
R-60 for ceilings with attic above (listed under Town reminders/interpretations).
Windows
Maximum U-factor 0.30 (listed under Town reminders/interpretations).
Air leakage
Dwelling unit air leakage test ≤ 0.16 cfm/sq ft (per IECC R402.4.1.2 testing pathway, referenced in Green Building Program points system).
ordinance referencedSource: superiorcolorado.gov

Codes are amended regularly — verify current requirements with **The Town of Superior’s Building Department (operated by SAFEbuilt) issues residential building permits.

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What a pop-top covers

A pop-top in the Denver metro raises or replaces the roof on the existing footprint to add a story or habitable attic. Walls usually stay; massing and bulk plane control the envelope. The existing foundation still has to take the new loads. A municipally licensed Denver general contractor coordinates the project, design professionals, and licensed specialty trades. Cost is project-specific and depends on roof structure, stairs, and how much of the first floor is opened.

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Bulk plane, height, and landmarks

Zoning height is measured in feet and stories from the front and rear base planes (DZC Sec. 13.1.2). Plans must show allowed versus proposed bulk plane, including roof overhangs. If the existing house already breaks height or bulk rules, elevations should distinguish retained structure from new work. Landmark Preservation lists pop-top/rooftop additions as a review type; designated properties need Landmark approval before zoning or building permits.

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Permits and who coordinates the work

City and County of Denver Community Planning and Development treats pop-tops like other second-story or attic work: structural review and a sealed structural-integrity letter from a design professional who inspected the existing foundation (DBCA 133.3), plus zoning, building, and typically SUDP. Cities and counties license general contractors. Colorado has no statewide general contractor license. Autotelic acts as a municipally licensed Denver general contractor and coordinates licensed specialty trades plus the design professionals required for the project.

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What buyers should prepare

Target rooms, roof and attic photos, known foundation issues, and landmark or historic-district status.

FAQ

Common questions

Is a pop-top different from a second-story addition?

A pop-top usually stays on the existing footprint and is controlled by bulk plane. A second-story addition may also expand walls. Both need structural review in Denver.

Who handles pop-top permits and licensing?

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

Do historic houses need extra review?

Yes. Landmark lists pop-top/rooftop additions. Approval comes before zoning and building permits on designated properties.

Will the existing foundation work?

Only after a design professional inspects it. CPD asks for a sealed structural-integrity letter for second-story and attic work.

What information helps define scope?

Desired rooms, roof photos, landmark status, and city or county.

Service Area

Serving Superior and Boulder County

We serve Superior, 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 Superior project.

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