Planning a Major Home Renovation in Colorado

A major renovation in Colorado, an addition, a full kitchen and structural change, or a whole-house remodel, runs through more approval steps than a Colorado homeowner expects: city or county permits, an HOA or metro district architectural review, and a contractor licensing check that changes by city. Plan for those steps before the first wall comes down, not after a stop-work order shows up.

Set a Real Budget, With a Contingency

Build your budget from itemized contractor bids, not a square-footage estimate, and add 15% to 20% on top as a contingency for permit fees, change orders and anything a demo reveals behind a wall. Front Range renovation costs commonly land between $150 and $350 per square foot for a structural remodel, with additions running toward the higher end once new foundation work is involved.

Get Permits Before Demo, Not During

Denver, Aurora, Lakewood, Littleton and Colorado Springs require a permit for structural changes, additions, new electrical circuits and most plumbing work, with inspections at framing, rough-in and final. Permit review commonly takes 2 to 6 weeks depending on the city and the season; apply as soon as plans are final so the wait does not sit on top of your contractor's start date.

Check HOA and Metro District Review Requirements

If your home sits in an HOA or a metro district, submit renovation plans to the architectural review committee before the city permit is pulled, since a city permit does not override a covenant requirement. Additions, roofline changes, and exterior material swaps are the projects boards review most closely; interior-only work commonly skips this step, but confirm with your specific HOA before assuming.

Verify Contractor Licensing for Your City

Colorado has no statewide general contractor license, so a contractor licensed in one Front Range city is not automatically licensed in the next one over. Confirm the license directly with the city or county where your home sits, and separately confirm plumbers and electricians carry their Colorado state license through the Division of Professions and Occupations.

Protect Yourself From a Mechanic's Lien

An unpaid subcontractor or material supplier can file a lien against your property under Colorado law even after you paid the general contractor in full. Get a lien waiver from each subcontractor and supplier at every draw payment, and hold back the final payment until every waiver is signed.

Plan Around Colorado's Climate

Exterior work, roofing, siding, decks, foundation and concrete, runs best outside hail season, which stretches from spring through September on the Front Range. Interior renovations schedule well in winter, when contractors book faster and permit offices run lighter volume than during the spring and summer rush.

Account for Expansive Soil on Any Addition

An addition that extends the foundation needs its own geotechnical evaluation, since expansive bentonite clay under much of the metro area moves a new foundation section differently than the original one when the two are not engineered together. Skipping this step is a common cause of cracking where an addition meets the original house.

Meet Denver's 2022 Energy Code on Any Addition or Major Remodel

Denver's 2022 building energy code sets higher insulation, air sealing and efficiency standards than older code cycles, and it applies to additions and major remodels, not only new construction. Ask your contractor to confirm the renovation plans meet current code before permit submission; older renovation plans drafted to a prior code cycle need updating.

Use Xcel Energy Rebates to Offset Efficiency Upgrades

Xcel Energy offers rebates on insulation, high-efficiency HVAC equipment, heat pumps and windows installed during a renovation, which can offset a meaningful share of the efficiency-related line items in your budget. Apply for the rebate before the equipment is installed in most programs, so build this into your contractor's ordering timeline.

Decide If This Renovation Pays Off at Resale

Before committing to a major renovation, check what similar upgraded homes sold for in your neighborhood against what unrenovated homes in the same condition sold for; a Smart Pricing Report shows that gap directly using recent comparable sales. Some projects, a primary suite addition or a kitchen structural remodel, return a strong share of their cost at resale on the Front Range, while highly personal changes return less.

Renovate or Move? Run the Numbers Both Ways

If the renovation you are planning is really a fix for not enough space, price out both paths before committing to either: the addition's full cost including permits and contingency against what a comparable larger home costs in your neighborhood right now. Sometimes the math favors the move, and a Smart Pricing Report on your current home combined with a search of comparable larger homes answers that question directly instead of guessing.

Financing a Major Renovation

A home equity line of credit or a cash-out refinance are the two most common ways Colorado homeowners fund a major renovation without selling first. Our Colorado home financing guide and Kenna Credit Care mortgage readiness program walk through how each option affects your monthly payment and your equity position.

What Happens If You Skip a Permit

Unpermitted structural or electrical work discovered later forces a choice: pay for a retroactive permit and pass inspection on work already covered by drywall, which commonly means opening walls back up, or disclose the unpermitted status to a future buyer and accept a lower offer or a walk-away at the Inspection Objection Deadline. Neither option costs less than getting the permit before the work started.

Design-Build vs. Separate Architect and Contractor

A design-build firm handles both design and construction under one contract, which simplifies communication and commonly speeds up the timeline; hiring an architect and a general contractor separately gives you more control over each decision but adds a coordination step between the two. For a major renovation touching structure, a licensed architect's stamped drawings are required for permit submission either way.

Getting Multiple Bids Without Losing Momentum

Get three itemized bids on any renovation over $20,000, all based on the same finalized drawings so the comparison is apples to apples, and set a decision deadline so the project does not stall while contractors' schedules fill up around you. A bid that comes in far below the others is a reason to ask more questions, not a reason to sign faster.

What a Renovation Does to Your Property Tax Assessment

A major renovation that adds square footage or a bedroom commonly triggers a reassessment at the next county valuation cycle, raising the property tax bill along with the home's value. Our Denver property taxes guide covers how the assessor's office values an improvement and when the new number shows up on your bill.

Where to go next

• Preparing and adding value before selling
• Denver HOA rules and fees guide
• Get a Smart Pricing Report for your home
• A homeowner's guide to remodeling in Highlands Ranch
• Denver metro suburbs: how HOAs and metro districts affect buyers
• Colorado's 4 best insurance companies for contractor businesses
• Search every home for sale in Colorado

Talk to the Kenna Real Estate Group

Whether you are planning a major renovation before you list or weighing one against a move, the Kenna Real Estate Group can show you what comparable upgraded homes sold for in your neighborhood before you commit the budget. Call or text 303-955-4220. A live person answers. Not a robot, not a phone tree. Or search every home for sale in Colorado right now.