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Electrical in Centennial
Licensed electrical services for Centennial and Arapahoe County. Safe, code-compliant electrical work.
- Full Design Lifecycle
- Construction & Tenant Finish
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Safe, code-compliant electrical work
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Local Service
Electrical Services in Centennial, Colorado
Autotelic provides professional electrical services throughout Centennial and the surrounding Arapahoe County area. Residential and commercial electrical services from panel upgrades to whole-building rough-in and fixture installation. Whether you're in Centennial (south Denver metro) or nearby communities, our team delivers quality workmanship backed by Colorado licensing and full insurance coverage.
Permits & Licensing
Permits in Centennial
Centennial building permits, inspections, and contractor license approvals are handled by the city's Building Division. Permits and contractor licenses must be applied for online through the city's Self-Service Portal, and we handle that process as part of every project. Authority: City of Centennial — Building Division.
Permit Thresholds
Centennial permit thresholds
- Code reference
- In Centennial, Colorado, building permits for residential remodel work are governed by the 2021 International Residential Code (IRC) Section R105 (adopted via Centennial Municipal Code Chapter 18 – Building Regulations, per Ordinance 2023-O-06 and related adoptions of the 2021 I-Codes).Section R105
- Code reference
- Typically exempt work (aligning with IRC R105.2 exemptions, with local application) includes:
- Code reference
- One-story detached accessory structures (e.g., sheds) ≤200 sq ft.
- Code reference
- Fences ≤7 ft high; retaining walls ≤4 ft high (measured from bottom of footing).
- Code reference
- Prefabricated swimming pools <24 inches deep.
- Code reference
- Window awnings projecting ≤54 inches.
- Code reference
- Decks ≤200 sq ft, ≤30 inches above grade, and not attached to the dwelling.
- Use tax (not collapsed into a single rate)
- City of Centennial Use Tax of 2.5% applied to the actual cost of materials, plus Arapahoe County Use Tax of 0.25% applied to the actual cost of materials.
Codes are amended regularly — verify current requirements with City of Centennial — Building Division.
Energy Code
Centennial energy code quick facts
- Code reference
- Centennial, Colorado, has adopted the 2018 IECC (with the 2021 I-Codes package) as its energy code, with no mention of Denver-specific overlays such as the Denver Green Code or Energize Denver.
- Code reference
- This is enforced by the City’s Building Division under Ordinance No. 2023-O-06 (adopting the referenced codes by reference, effective as part of the 2021/2023 code update package).Ordinance No. 2023-O-06
- Code reference
- Centennial is in Climate Zone 5B.
- Code reference
- The code applies to alterations, additions, and remodels per IECC Chapter 5 (existing buildings), with the prescriptive requirements of Chapter 4 (or equivalent U-factor/UA paths) generally applying to new or modified portions of the thermal envelope.
- Code reference
- Key prescriptive requirements relevant to remodels/additions (drawn from 2018 IECC Table R402.1.2 and related sections for CZ 5; these are the base code values with no local amendments identified that alter them):
- Ceiling/attic insulation
- Minimum R-49 (or equivalent U-factor ≤ 0.026).
- Adopting reference
- 2018 IECC R402.1.2 (Table R402.1.2).
- Wood-frame wall insulation
- R-20 cavity or R-13 cavity + R-5 continuous insulation (or equivalent U-factor ≤ 0.060).
Codes are amended regularly — verify current requirements with City of Centennial — Building Division.
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What electrical work covers in the Denver metro
Electrical projects in the Denver metro include troubleshooting failed devices, adding circuits, lighting upgrades, panel and service changes, EV charger circuits, generator transfer equipment, and remodel rough-in for kitchens, baths, and additions. Commercial tenant work often adds lighting packages and coordination with other building systems. A municipally licensed Denver general contractor coordinates the overall project and the licensed specialty trades required for regulated electrical work. Cost is project-specific and depends on service size, panel condition, circuit count, access, and inspection requirements.
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Panels, capacity, and remodel sequencing
Many older Denver-metro homes need a capacity check before adding kitchen, HVAC, or EV loads. Panel space, grounding and bonding condition, and utility service size all affect whether a simple circuit add is enough or a service/panel upgrade is required. Remodel electrical usually roughs in before insulation and drywall, then finishes after paint. Final inspection should be planned into the close-out schedule.
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Permits and who coordinates the work
Most new circuits, service changes, and relocated devices need electrical permits and inspections. Inside Denver, City and County of Denver Community Planning and Development issues many electrical permits (including Quick Permits when eligible) and schedules inspections through e-permits. Colorado DORA regulates electrical licensing and provides licensing lookup tools; electrical is a state-regulated specialty trade. 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 for electrical scopes.
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What buyers should prepare
Useful details include symptoms or goals (tripping breakers, remodel plans, EV charger, generator), panel photos if available, known aluminum wiring or prior partial rewires, and the city or county of the property. For commercial spaces, note suite boundaries and any building-required coordination.
FAQ
Common questions
Do I need a permit to add outlets or replace a panel in Denver?
Usually yes for new circuits, relocated devices, and panel or service changes. City and County of Denver CPD is the common local permit and inspection path inside Denver. Confirm the exact scope before work starts.
Who handles electrical permits and licensing?
A municipally licensed Denver general contractor coordinates the project and the licensed specialty trades required for electrical work. DORA regulates electrical licensing in Colorado. Local CPD or other city/county building departments issue many project permits. Colorado has no statewide general contractor license.
Can my panel support an EV charger or kitchen remodel?
It depends on service size, available breaker spaces, and existing loads. A site assessment should check capacity before ordering equipment.
How does electrical fit into a larger remodel?
Rough-in happens before walls close; device trim and finals happen after finishes. Coordinating that sequence with plumbing and HVAC avoids reopen work.
What information helps define an accurate electrical scope?
Goals or symptoms, panel photos, planned new loads, remodel drawings if any, and the city or county for permitting.
Service Area
Serving Centennial and Arapahoe County
We serve Centennial, 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 Centennial project.
How It Runs
01
Survey
02
Design
03
Build
04
Verify
DESIGN SERVICES
Discovery & Site Analysis
Needs + preference programming, site survey, as-built documentation, feasibility.
We walk, measure, and photograph your property — existing conditions, utilities, structure, and constraints. You get the as-built documentation and feasibility read that every later decision rests on.
Learn more →Concept Design & Space Planning
Schematic design, floor plan studies, layout options.
Your scope becomes schematic floor plans you can compare side by side — circulation, daylight, adjacencies, and what each option does to the budget. Layout decisions happen on paper, where changes are cheap.
Learn more →Architectural Design & 3D Renderings
Design development, materials + finishes, photorealistic visualization.
The chosen concept resolves into materials, finishes, fixtures, and lighting — with the automation layer drawn in. Photorealistic renderings let you walk the space and adjust before anything is priced.
Learn more →Construction Documents & Permitting
Full CD sets, structural + MEP engineering coordination, permit-ready drawings.
Approved designs become coordinated architectural, structural, and MEP sheets — the set your jurisdiction permits from and trades build from. We submit, track, and answer review comments.
Learn more →CONSTRUCTION
New Construction & Custom Homes
Ground-up homes and light commercial, dirt to keys.
Ground-up residential and light commercial builds — foundations through finishes, including modular and steel construction. One accountable builder from dirt to keys.
Learn more →Remodels & Additions
Kitchens, baths, basements, pop-tops, whole-home.
Kitchens, baths, basements, pop-tops, and whole-home renovations that respect the house you already have. We handle structure, permits, and the dust.
Learn more →Commercial Tenant Finish & Build-Outs
Shells to working spaces — retail, office, restaurant, school.
Raw shells become working spaces — showrooms, offices, restaurants, schools. Dealer-spec finishes, code compliance, and opening dates held.
Learn more →ADUs & Modular Construction
Backyard cottages, garage conversions, factory-built homes.
Backyard cottages, garage conversions, and factory-built homes — zoning, design, permits, and set. Denver’s ADU rules are a specialty, not a surprise.
Learn more →Outdoor Living & Patio Structures
Decks, pergolas, and dining patios built for Colorado weather.
Decks, pergolas, and dining patios engineered for Colorado sun, snow, and hail — structure, shade, and drainage done right the first time.
Learn more →TECHNOLOGY
Smart Home Automation
Lighting, shades, climate, audio, security — one interface.
Whole-home control of lighting, shades, climate, audio, and security from a single interface — Crestron, Lutron, Savant, and Control4 designed in, not bolted on.
Learn more →A/V Systems
Theaters, distributed audio, video walls, commercial sound.
Theaters, distributed audio, video walls, and commercial sound — designed, installed, and tuned by the same team for over 20 years.
Learn more →Control Systems
Custom programming — scenes and schedules that fit the space.
Every subsystem brought into one elegant interface — custom programming for homes and venues, with scenes and schedules that match how the space is actually used.
Learn more →Networking & Edge Compute
Enterprise Wi-Fi, structured cabling, racks, on-prem compute.
Enterprise-grade Wi-Fi, structured cabling, racks, and on-premise compute — the backbone that makes everything else reliable, including our own Barbot platform.
Learn more →Solar & Energy Storage
Solar arrays, Tesla Powerwall, EV charging — certified install.
Solar arrays, Tesla Powerwall, and EV charging designed and installed by a Tesla Energy Certified team — roof, electrical, and app in one scope.
Learn more →TRUSTED TO BUILD FOR
- Punch Bowl SocialFirst four locations
- Spectrum RetirementSenior living communities
- Denver HighlandsFirst modular custom home
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