J ALLEN  CONSTRUCTION COMPANY: CUSTOM HOME BUILDERS IN FORT COLLINS

  • Custom Home Builds
  • Home Remodels
  • Home Maintenance
  • Home Additions

Established in 1998 - Fully Licensed and Insured - Detail-Oriented

Serving Berthoud, Johnstown, Fort Collins, Loveland, Windsor, or surrounding Northern Colorado areas

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Get the Home of Your Dreams

Are you looking for a custom home builder? You can create the perfect home with help from J. Allen Construction Company. Our custom construction meets your needs, and our detail-oriented team handles everything.


If you're interested in quality, just look at the gallery below to see examples of our work. Fill out the online form to work with a dependable home maintenance service company in northern Colorado and beyond.

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Custom Home Construction Contractors

When it comes to your home, quality matters. That's why you need a home contractor you can trust for building, renovations, and maintenance. At J. Allen Construction Company, we provide quality, custom construction services for your home.


You don't need to worry about anything when you hire us. Your investment with us is protected because we're fully licensed and insured. Contact us if you need a home maintenance company in Northern Colorado.

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Local and Family-Owned Since 1998

There are other construction crews in the area, but we do things the right way at J. Allen Construction Company. Our owner has 40 years of experience with home maintenance companies in Northern Colorado, Southern Wyoming and surrounding areas. He's involved with every job to ensure quality results every time.


We've used the same contractors for over 20 years, and we take pride in the quality of our work. There's a reason customers keep coming back to us!

Our Home Construction Services

Ready to Work With One of the Top Home Maintenance Companies in Northern Colorado, Southern Wyoming and surrounding areas?

For over 25 years, J. Allen Construction Company has been the home maintenance service company Northern Colorado residents have relied on for all their home project needs. From new builds to regular maintenance needs, our experts are prepared to work with you to achieve your vision. If you're looking to take the next step in your home renovations, don't hesitate to give our skilled crew a call today. We look forward to constructing the home of your dreams.

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Here's what our satisfied customers are saying...

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Richard S

Great people working for you!!!

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Marvin J

We used J Allen for a complete kitchen and master bath remodel and was extremely pleased with the finished products. 

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By Alex Wells August 19, 2025
When we talk about the “best ROI” in home improvements, we’re really talking about projects that give you more than just bragging rights; they put value back into your pocket when it’s time to sell. Whether it’s small upgrades or well-planned home additions , not every shiny change pays for itself, so the trick is knowing which ones add comfort today and curb appeal tomorrow. The Short Answer: Top ROI Home Upgrades in Northern Colorado In 2025, the projects with the biggest bang for your buck are practical, not flashy, think new garage or entry doors, refreshed kitchens and baths, and smart energy updates. These aren’t wild remodel trends , but proven winners for both buyers and budgets. High-ROI Upgrades (based on latest data) When it comes to adding value without overspending, a few projects consistently rise to the top. These are the ones we see delivering strong returns for homeowners: Garage Door Replacement – Often returns around 190% of its cost and instantly sharpens curb appeal. Steel or High-Quality Entry Door – Adds security, style, and a warm first impression. According to realtor.com , you can expect to recoup around 100% of your investment if you go with a steel door. Simple Landscaping Upgrades – Fresh mulch, trimmed shrubs, and seasonal flowers can return double what you put in. Hardwood Floor Refinishing – Brings back the beauty underfoot, with payback often above 140%. Minor Kitchen Updates – Swapping cabinet hardware, adding a fresh backsplash, and updating lighting hold steady at about 60% ROI. These aren’t full-blown home renovations, just smart, targeted upgrades buyers notice right away. Emerging Value Drivers & Original Insights Not all value comes from traditional upgrades. We’ve noticed a growing payoff in energy-efficiency improvements, things like heat-pump HVAC systems, better insulation, and reflective roofing. They might not top the charts in raw ROI, but they’re increasingly important to buyers conscious of rising utility costs. ROI also isn’t one-size-fits-all. In a downtown condo, an assigned parking space might add more value than a fancy patio. In a suburban setting, the reverse could be true. That’s why we always suggest blending national ROI data with a local reality check. A trusted real estate pro or appraiser can help you weigh those nuances before you pick up a hammer. Room-by-Room ROI Guide When we walk through a house with ROI in mind, we’re looking for high-impact changes that don’t drain the budget. Kitchen: Skip the gut job unless you’ve got a solid reason. Cabinet refacing, updated hardware, a crisp backsplash, and good lighting will often do the trick. Bathroom: Reglaze instead of replace, re-grout tile, and swap in water-saving fixtures for an instant refresh. Living spaces & bedrooms: Neutral paint works wonders, and adding thoughtful lighting can make a room feel bigger. Exterior: Replace worn doors, refresh siding, and give the landscaping a quick spruce-up. The goal isn’t to chase every shiny remodel trend; it’s to make the home feel well-kept, move-in ready, and universally appealing. Pre-Sale Improvement Checklist Before you put up that “For Sale” sign, give your place a quick, high-impact tune-up: Deep clean and clear the clutter Refresh walls with neutral paint Power-wash siding, driveway, and walkways Replace or polish entry and garage doors Add simple kitchen and bath upgrades Install or highlight energy-efficient features  Final Thoughts on Northern Colorado’s Highest-ROI Home Projects The best ROI comes from thoughtful choices, not last-minute splurges. Use these guidelines to steer your updates, whether you’re eyeing quick fixes or bigger home renovations . And remember, ROI matters, but so does how much you enjoy living there in the meantime. Talk with a local contractor or real estate professional before starting your next project. Our team at J Allen Homes can help you weigh costs, timing, and return potential so you can invest wisely and confidently in your home. Request an estimate today!
By Marilyn Allen June 30, 2025
We know there’s a certain pride in rolling up your sleeves and making your home truly yours. In Colorado, that spirit runs deep. From mountain cabins to suburban homes, many of us take the DIY route to save money, customize our space, or just enjoy the challenge. But let’s be honest: our climate and terrain aren’t always cooperative. High-altitude sun, deep freezes, and sudden storms mean some projects need extra planning. That’s why we put together this guide—to help you choose home improvements that aren’t just “Pinterest-pretty,” but realistic, durable, and well-suited to Colorado living. Quick Answer: What are the Best DIY Home Improvement ideas for CO? We recommend renovation projects like insulation upgrades, xeriscaping, deck builds, and low-VOC painting; each chosen for Colorado’s unique climate and lifestyle. The best DIY projects boost comfort, efficiency, and value while fitting our state’s seasonal demands. How to Choose the Right DIY Project in Colorado We always tell folks: before you pick up a hammer or paintbrush, take a beat to plan. Colorado’s weather isn’t forgiving of shortcuts. Think about: Skill level : Be realistic. A complex remodel may need professional help. Budget : Costs can climb fast if you’re not careful. Permits : Check local rules. Some projects legally require them. Seasonal timing : Don’t dig post holes in frozen ground or seal a deck in a surprise snow. Safety : Altitude and weather can make even simple jobs tricky. Careful planning now saves you headaches—and extra trips to the hardware store—later. Top 10 DIY Home Improvement Ideas for Colorado Homes We know you want ideas that work here , not generic tips ripped from a magazine. Here are 10 solid projects that fit Colorado’s climate, lifestyle, and challenges: Interior Painting with Low-VOC Paints Protect your indoor air quality at altitude, where ventilation can be tricky. Lighter colors reflect our bright natural light and keep rooms feeling open. Weatherstripping and Insulation Upgrades Don’t let frigid winter winds or summer heat sneak in. Upgrading old weatherstripping or adding attic insulation is budget-friendly and cuts utility bills. Xeriscape Landscaping Water’s precious here. Swap thirsty lawns for native plants and mulch. Xeriscaping looks great and survives dry spells without constant watering. Building or Refinishing a Deck Colorado sun is intense. Use UV-resistant stains and check local code for railing heights. Permits may be required—always confirm before starting. Installing Energy-Efficient Lighting Swap old fixtures for LEDs or smart bulbs. Lower energy bills, better lighting, and it’s often a one-afternoon project. Tiling or Backsplash Updates Kitchens and baths benefit from easy-to-clean surfaces. Just remember our dry air can cause some grout to cure faster than you expect—plan your working time accordingly. Garden Beds or Vertical Gardening With a short growing season, raised beds warm faster in spring. Vertical setups make use of tight spaces and maximize sun exposure. Basement Waterproofing and Sealing Spring runoff can seep into foundations. Applying waterproof sealant or installing better drainage channels helps protect your investment. Upgrading to Smart Thermostats Colorado’s temperature swings mean HVAC works hard. A smart thermostat learns your habits and can save you serious cash over time. Garage or Mudroom Storage Solutions For the skier, gardener, cyclist, or dog lover, organized storage is sanity-saving. Wall racks, benches, and overhead bins help keep dirt and gear in check. Permitting and Safety Tips for Colorado DIYers We’ve seen too many projects hit a wall because someone skipped the paperwork or overlooked safety. Don’t let that be you. Before you start, consider: Permits: Many cities require them for decks, electrical, or plumbing work. Always check first; fines aren’t fun. Local codes: These exist for good reasons, like structural safety and fire prevention. Call 811: Always know what’s underground before you dig. Fire risk: Clear vegetation and use fire-safe materials when you can. Planning for safety isn’t overkill—it’s smart, and it keeps you, your family, and your neighbors secure. Seasonal Planning Calendar for Colorado DIYers We know Colorado’s seasons don’t always follow the rules, but timing your projects right can save you hassle (and money). Here’s how we think about it: Spring: Exterior painting and staining before summer sun gets too intense Garden prep and planting after last frost Summer: Deck builds and landscaping Concrete work (cures well in dry heat) Fall: Insulation and weatherstripping upgrades Sealing driveways or decks before freeze-thaw sets in Winter: Interior painting Planning and design for big spring builds Colorado’s climate keeps us on our toes. A little seasonal planning means fewer surprises when weather turns on a dime. FAQs: What Colorado Homeowners Ask Most About DIY We hear these questions a lot, so let’s clear them up: Do I need a permit? Often, yes—especially decks, electrical, plumbing. How do I plan for winter work? Focus on interior projects. Where can I rent tools? Local hardware stores, rental centers. How do I budget? Plan for 10–20% extra for surprises; it happens to all of us. Should I do an addition myself? We recommend calling in the pros for major jobs, but yes, as long as you know what you are doing, you could build a DIY addition. Final Thoughts on Top Colorado DIY Projects We know tackling DIY projects in Colorado can feel like planning for four seasons in a day. That’s why we always say: start small, plan carefully, and don’t be afraid to ask questions. We’d love to hear how your projects turn out; share your successes, surprises, and lessons learned with neighbors or local forums. After all, the best way to make your house feel like home is to put your own work and heart into it.
By Marilyn Allen May 1, 2025
Northern Colorado isn’t just growing—it’s evolving. From Fort Collins to Loveland and everywhere in between, we’re seeing homes reflect the shifting priorities of the people who live in them. As we move through 2025, remodeling trends are telling a clear story: homeowners want comfort, flexibility, and purpose built into every square foot. Whether you’re planning a full renovation or just daydreaming about your next project, it’s worth knowing where things are headed—and how those trends might play out in your own space. Multifunctional Spaces: Adapting to Diverse Needs If the last few years have taught us anything, it’s that our homes need to work just as hard as we do. In 2025, we're seeing more Northern Colorado homeowners reimagine their spaces with flexibility in mind. Basements aren’t just storage zones anymore—they're turning into media rooms, guest suites, or even small gyms. Spare bedrooms now moonlight as home offices by day and quiet reading nooks by night. As life keeps shifting, so does the layout. Remodeling today is less about square footage and more about making every inch pull double duty, without sacrificing comfort or style.  Wellness-Oriented Design: Creating Personal Retreats It’s no surprise that wellness has taken center stage in home remodeling. Folks are craving spaces that feel more like a retreat and less like a checklist of tasks. That’s showing up in calming bathrooms with rainfall showers, built-in bench seating, and earthy finishes that wouldn’t look out of place in a boutique spa. Beyond bathrooms, we're also seeing quiet corners carved out for meditation, stretching, or simply unplugging. Whether it's through soundproofing, soft lighting, or soothing colors, these wellness touches are reshaping how we think about rest and restoration at home—especially in a world that rarely slows down. Bold Aesthetics: Embracing Color and Texture Neutral palettes had a good run, but in 2025, Northern Colorado homes are leaning into a bit more personality. We’re seeing deeper, richer colors on walls—think forest greens, terracotta, even navy kitchens. It’s not just about the paint, either. Textures are making a comeback: plaster finishes, chunky stone countertops, and warm wood grains that feel just as good as they look. In a way, these bolder choices are less about keeping up with the neighbors and more about creating a home that actually feels like yours. And after all, isn’t that the whole point of remodeling? Smart Home Integration: Enhancing Convenience and Efficiency Technology isn’t just for the tech-savvy anymore—it’s becoming part of the bones of the home. In 2025, we’re helping more homeowners weave in “invisible” smart tech that blends in rather than stands out. You’ve got circadian lighting that adjusts throughout the day, HVAC systems that learn your preferences, and security setups you can manage from your phone. It’s about making life easier, sure, but also more energy-efficient and intuitive. These upgrades aren’t just flashy add-ons—they’re thoughtful changes that keep your home working smarter behind the scenes, so you don’t have to think twice about comfort or control. Outdoor Living: Extending Comfort Beyond Walls When you’ve got views like we do here in Northern Colorado, it just makes sense to take full advantage. Outdoor living spaces in 2025 are more than patios and decks—they’re becoming true extensions of the home. We’re seeing built-in kitchens, covered dining areas, and even outdoor fireplaces that stretch the season a little longer. Homeowners are leaning into native landscaping, not just for the aesthetics but for water savings too. It’s less about show and more about function—creating spaces where you can grill dinner, host friends, or just unwind with a drink and a sunset after a long day. Regulatory Shifts: Influencing Remodeling Decisions If you’re planning to remodel in 2025, you’ll want to keep an eye on some important local changes. Cities across Northern Colorado—including Fort Collins—have started easing occupancy limits and greenlighting more accessory dwelling units (ADUs). That opens the door for multigenerational living, rental income, or just some extra breathing room on your lot. Meanwhile, updates to state building codes are pushing for electric-ready and solar-ready homes, which means more projects now include the wiring and layout to support greener systems down the line. These shifts aren’t just red tape—they’re reshaping what it means to build with the future in mind. Remodeling Costs and Value in 2025 Let’s face it—remodeling isn’t cheap, and in 2025, pricing continues to reflect the rising cost of materials, labor, and permits. That said, many homeowners in Northern Colorado are still moving forward, focusing their budgets on projects that bring lasting value. Energy efficiency upgrades, kitchen remodels, and ADU additions are among the smartest investments this year. What we’re seeing is a shift away from surface-level changes toward meaningful improvements that serve both lifestyle and long-term equity . In short, folks are putting their money where it matters—into spaces that work better, feel better, and age well with the home. Final Thoughts on 2025 Northern Colorado Remodel Design Trends As remodeling trends continue to evolve, one thing’s clear: Northern Colorado homeowners aren’t just updating for style—they’re remodeling with purpose. Whether it’s creating a multifunctional space, carving out a wellness nook, or prepping your home for electric-ready living, the choices we’re seeing are thoughtful and forward-looking. Thinking about making some changes to your home this year? Start by paying attention to what matters most to you; function, comfort, style, or maybe a little of all three. When you're ready to bring those ideas to life, let’s talk . We’re always here to help you make sense of the options and build something that truly fits the way you live.
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