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ERIE SERVICES

Second-Story Addition in Erie

Home Addition Feasibility Consultation, $300

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Licensed second-story addition services for Erie and Boulder/Weld County. Double your living space without moving.

What Erie requires

RR — Minimum Lot Area: 80000 sf RR

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Second-Story Addition

Double your living space without moving

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.

  • Home Addition Feasibility Consultation

    We evaluate structure, lot coverage, and zoning for a proposed addition and discuss realistic options.

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

    What's included

    We evaluate structure, lot coverage, and zoning for a proposed addition and discuss realistic options. Includes a one-page feasibility summary with a preliminary budget range.

  • Addition Feasibility Package

    Structural walkthrough, lot coverage and zoning check, and a massing sketch for your proposed addition.

    $425 deposit to book, the rest when the work is done · morning (8–12) or afternoon (12–4)

    What's included

    Structural walkthrough, lot coverage and zoning check, and a massing sketch for your proposed addition. Delivered as a written feasibility report with a preliminary construction budget.

FREE PLANNING TOOLS

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

Local Service

Second-Story Addition Services in Erie, Colorado

Autotelic provides professional second-story addition services throughout Erie and the surrounding Boulder/Weld County area. Full second-story additions across the Denver metro with structural engineering, framing, roofing, and complete interior build-out. Commercially licensed and insured. Whether you're in Erie (fast-growing between Denver and Boulder) or nearby communities, our team delivers quality workmanship, licensed and insured.

Permit Thresholds

Erie permit thresholds

Code reference
The Town of Erie has adopted the 2021 International Residential Code (IRC).
Code reference
Roofing (more than 1 square aggregate)
Code reference
Retaining walls over 4 feet from the bottom of the trench to the top of the wall
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Detached accessory structures 200 sq. ft. or less (not including patio covers, and provided there is no electrical and/or plumbing work)
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Minor fence repair (3 sections or less)
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Minor roof repairs (1 square or less)
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Decks, platforms, walks, and driveways not more than 30 inches above grade and not over any basement or story below
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Examples of square foot construction costs for valuation (as of January 1, 2026):

Codes are amended regularly — verify current requirements with **Town of Erie Building Division (Town of Erie, Colorado).

Zoning & ADU

Erie zoning & ADU quick facts

RR — Minimum Lot Area
80000 sfRR
RR — Minimum Lot Width
150'RR
RR — Front Setback (min)
40'RR
RR — Side Interior Setback (min)
40'RR
RR — Side Setback Abutting Street (min)
20'RR
RR — Rear Setback (min)
40'RR
RR — Building Height (max)
40'RR
ER — Minimum Lot Area
40000 sfER
Town of Erie UDC Title 10 Chapter 4 (Ord. 03-2022; current through Jun 10, 2026) RR setback standards (Tables 4-1, 4-2, 4-3 Dimensional Standards) — effective 2022-02-18 · Town of Erie UDC Title 10 Chapter 4 (Ord. 03-2022; current through Jun 10, 2026) ER setback standards (Tables 4-1, 4-2, 4-3 Dimensional Standards) — effective 2022-02-18Source: library.municode.com

Codes are amended regularly — verify current requirements with **Town of Erie Building Division (Town of Erie, Colorado).

Energy Code

Erie energy code quick facts

Code reference
The Town of Erie, Colorado, has adopted the 2024 International Energy Conservation Code (IECC) with local amendments, effective April 24, 2026.
Code reference
This adoption was approved by the Erie Town Council via Ordinance No. 12-2026.Ord. No. 12-2026
Code reference
Erie is located in Climate Zone 5B.
Code reference
While Erie has adopted the 2024 IECC with local amendments, the specific details of these amendments relevant to prescriptive requirements for remodels and additions were not detailed in the publicly available information.
Code reference
Therefore, the following prescriptive requirements are based on the base 2024 IECC for Climate Zone 5B, which Erie adopted, and are subject to any specific local modifications enacted through Ordinance No. 12-2026.Ord. No. 12-2026
Wall Insulation (Residential)
The building thermal envelope for walls shall meet requirements specified in Table R402.1.2.
Code reference
A common prescriptive option for framed walls in Climate Zone 5B is R-20 continuous insulation, or R-13 cavity insulation plus R-5 continuous insulation (denoted as "13&5").
Code reference
The 2024 IECC also offers additional flexibility for wall insulation in Climate Zones 4 and 5 if additional credits are achieved.
Ord. No. 12-2026

Codes are amended regularly — verify current requirements with **Town of Erie Building Division (Town of Erie, Colorado).

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What a second-story addition covers

A second-story addition in the Denver metro adds habitable floor over an existing house: new floor structure, stairs, roof, windows, and usually electrical, mechanical, and plumbing. The existing foundation and walls have to carry the extra load. A municipally licensed Denver general contractor coordinates the project, design professionals, and licensed specialty trades. Cost is project-specific and depends on structure, roof, and how much of the first floor is opened.

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What buyers should prepare

Target rooms, existing drawings if any, roof and attic photos, and known foundation concerns.

FAQ

Common questions

How much does Home Addition Feasibility Consultation cost in Erie?

$300.

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 second-story permits and licensing?

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

How is height measured?

In feet and stories from the zoning front and rear base planes, not just from the sidewalk.

What information helps define scope?

Desired rooms, existing drawings, foundation notes, landmark status, and city or county.

Service Area

Serving Erie and Boulder/Weld County

We serve Erie, 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 Erie project.

How It Runs

01

Survey

02

Design

03

Build

04

Verify

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