Tenant Improvement
Avalon Construction’s tenant improvement contractor team is in a class by itself, as evidenced by our extensive portfolio of repeat commercial interior construction customers and a strong backlog of work. We provide comprehensive General Contracting services for a wide range of commercial interior spaces, specializing in office, retail, medical, restaurant, and hospitality interior construction. Whether you are a local business owner looking for a custom remodel or a national tenant with strict brand specifications, we deliver office remodeling and office renovation results that range from moderate designs to state-of-the-art, high-end finishes.
Tenant Improvement contractors are needed whenever a commercial leased space requires modification, customization, or renovation to prepare it for a specific tenant’s business operations, design preferences, or functional requirements. The people who hire us as commercial interior construction contractors and for tenant improvement services are often property managers and property owners as well as business owners.
Avalon provides General Contracting services for tenant improvement and commercial interior construction projects in the Greater Denver area, spanning a wide range of interior spaces. We specialize in office, retail, medical, restaurant, and hospitality construction. Avalon can construct projects with state-of-the-art, high-end finishes, as well as more moderate, remodel designs. We are just as comfortable working for local business owners as we are for national tenants with strict brand specifications.
As of January 1, 2026, all new commercial interior construction projects must comply with the 2025 Denver Commercial Building Code (DCBC). If your project was submitted before the December 31, 2025 deadline, it may still fall under 2022 codes. However, for 2025 designs, the City and County of Denver has streamlined the “Application Intake” process. While standard reviews currently take 8 to 12 weeks, the new code introduces stricter “Application Expiration” rules (Section 131.2), meaning permits must be issued within 18 months of enactment or they expire. We help Denver business owners navigate these transitions to avoid costly redesigns.
If you are renovating a commercial space larger than 5,000 square feet, you are subject to the Energize Denver Building Performance Policy.
For spaces 5,000–24,999 sq. ft.: You must either install LED lighting for 90% of the space or purchase renewable energy.
For spaces 25,000+ sq. ft.: You must meet specific Energy Use Intensity (EUI) targets. Our team specializes in “electrification” retrofits—replacing gas-fired HVAC systems with electric heat pumps—which is often required during major tenant improvements to meet Denver’s 2040 net-zero goals.
For more information, visit the City and County of Denver website here: https://www.denvergov.org/Government/Agencies-Departments-Offices/Agencies-Departments-Offices-Directory/Climate-Action-Sustainability-and-Resiliency/Cutting-Denvers-Carbon-Pollution/Efficient-Commercial-Buildings/Denver-Building-Regulations/Energize-Denver-Building-Performance-Policy or contact Denver’s Office of Climate Action here: energizedenver@denvergov.org – (844) 536-4528