Fraud Blocker

ADU Construction In Harker Heights, Belton, Temple, and more of TX

Build an ADU with us to add value to your home, create extra income, or enjoy a functional space for family and guests—all with expert craftsmanship you can trust.

ADU Construction In Harker Heights, Belton, Temple, and more of TX

Building an Accessory Dwelling Unit (ADU) isn’t just about adding space—it’s about creating freedom and opportunity within your home. Whether it’s a cozy suite for aging parents, a private retreat for guests, or even a rental space to bring in extra income, we bring your vision to life with care, precision, and local expertise.

When you work with us, you’re not just getting a new addition—you’re gaining peace of mind. Our team handles every detail, from planning to the final touches, so you can focus on what matters most: spending time with loved ones or growing your financial security. We believe in building spaces that not only look great but also truly enhance your life.

Modern stucco ADU exterior with low-profile windows, new roof, and HVAC system installation

Get Your ADU Construction Done by Experts

Our dedication to quality and care has changed the game—we’ve set a new bar for what homeowners like you should expect. Every detail we handle is about making your life easier, better, and more secure. Check out the benefits we offer:

Why ADU Construction Is a Wise Investment

Investing in our ADU construction service means adding value to your home and your daily life. Imagine turning your unused garage into a cozy rental unit that brings in extra monthly income—or a peaceful office space where you can finally focus.

Our work not only boosts your property’s worth but transforms how you use and enjoy your home every day. It’s practical, personal, and powerful.

3 Reasons Our Service Is Worth It

We’ve helped homeowners like Sarah turn their backyard into a rental unit, securing $1,500/month while still maintaining privacy.
Adding an ADU can increase your home’s worth by up to 30%, making this one of the smartest upgrades you’ll ever make.
Whether it’s for aging parents, grown kids, or your private studio, ADUs create space your family actually needs.

Upgrades Homeowners Make When Getting an ADU Built

Many homeowners see building an ADU as the perfect opportunity to tackle other home upgrades—they figure, “Why not improve everything while we’re already upgrading?” It’s a smart, exciting way to enhance your home’s comfort and value all at once.

Common Upgrades Homeowners Choose:

You’re already investing in an upgrade—why not make it work even harder for your lifestyle? These extras will make your home a true reflection of your goals and vision.

Your Home Could Look Just as Great

Your home’s transformation could be just as stunning as the ones featured below. These past projects are more than just photos—they’re proof of how dreams were brought to life. Use them as inspiration for your unique vision. Take a look at the gallery below to get a sense of the level of quality of our services:

100+
remodeling projects completed
50+
years combined team experience
5 year
workmanship warranty

ADU Construction Costs In Harker Heights, Belton, Temple, and More of TX

Every project is unique, just like your home and your vision. That’s why we don’t do cookie-cutter pricing. To give you an accurate cost, we’ll need to chat about your ideas and needs. Together, we’ll create something amazing that fits your budget. Let’s bring your dream space to life!

Top Manufacturers for Your ADU Dream Build

When it comes to ADU construction, quality materials make all the difference. Here are the most trusted manufacturers we use:
  • James Hardie: Known for durable fiber cement siding, their products withstand Texas weather exceptionally well, providing long-lasting protection for your ADU.
  • Andersen Windows: Their energy-efficient windows are ideal for maintaining comfort and reducing utility bills in Texas homes.
  • USG Sheetrock: Reliable and sturdy, this drywall sets the foundation for walls that feel solid and look flawless.
  • Sherwin-Williams: Their paints bring life to your ADU with colors as vibrant as Texas sunsets—quality you can see and feel.
  • GAF Roofing: Protecting homes for decades, their roofing systems are designed to keep your family safe through any storm.
These manufacturers help us build spaces that are not only functional but made to last. After all, this isn’t just any build—it’s your home. We want you to feel proud every time you walk in the door. And with these trusted names, you’ll know every detail is crafted with care.

Here's What Your Neighbors Say About Us

We’re so thankful for the kind words and trust from families in our community. Hearing how our work has made a difference means the world to us. Check out the beautiful things people have to say about us:

k

Kent John

5/5

Great craftsmanship and workmanship attention to detail focus oriented they do not waste time or resources. One of the best professional construction companies that I have seen in my twenty-plus years of military service. 

Job well done James/chimney crew. Thank you and keep up the great work (Gill construction company). Remember the ending of the movie Casablanca, “”I think this is the beginning of a beautiful friendship”” lol. Very Respectfully, K. John

c

Carol Harris

5/5

We have been dreaming of adding a big shady porch on the back of our house for a while, and Gill Construction gave us everything we wanted in our new space.

They were very easy to work with, on time with the various aspects of the project and very responsive to our requests and questions.

We are extremely pleased with the quality of the construction and highly recommend Steven and his crew. We love it !

The Benefits of Working With Us

When you work with us, you’re partnering with seasoned professionals who care deeply about their craft. Our team is always polite, respectful, and focused on working thoughtfully in your home.

Why Choose Us?

Our experience sets us apart. We know what works and what doesn’t, which means you’ll get high-quality results that only come with years of dedication and hands-on practice.
A well-done job means fewer repairs down the road. We focus on doing things right the first time, saving you money and headaches in the long run.
Our team creates beautiful designs tailored to your style. You’ll love how every detail is carefully planned to make your space both functional and visually appealing.

Effortless Steps for a Stress-Free Experience

From start to finish, we keep things simple and convenient for you. Our 3-step process ensures your project is handled smoothly, so all you need to do is enjoy the results!

1

Collaborate

We work with you to design a plan that fits your style and needs.

2

Build

Our team brings the design to life, handling every detail with care.

3

Enjoy

Relax and appreciate your beautifully completed space without any hassle.
Brick and siding house exterior with new sliding glass door and backyard patio renovation

ADU Construction In Harker Heights, Belton, Temple, and more of TX - FAQ's

An ADU (Accessory Dwelling Unit), also known as an additional dwelling unit or backyard cottage, is a small, additional living space built on the same lot as your primary residence. It’s a flexible living space that can be used as a rental unit to generate rental income, an in-law suite for aging parents, or even a guest house for extended family. 

ADUs are an excellent way to increase property value, provide more affordable housing options, or create additional income while maximizing the potential of your residential property.

Yes, you’ll need a building permit application to construct an ADU, ensuring it meets local zoning regulations, building codes, and permitting process requirements. From plan review fees to final inspections, we’ll guide you through every step of the process. 

Our team will make sure your ADU development stays compliant with local ordinances and zoning rules, giving you peace of mind.

Most residential properties, including single-family homes, can qualify for an ADU. Local zoning rules and ADU regulations will determine if your property is eligible for creating additional living space or converting existing structures like a garage or basement into a dwelling unit. 

We’ll help you navigate the ADU permits process and review your property to see if it meets requirements.

The timeline for an ADU project varies based on factors like design, permitting process, and the project’s scope. Typically, it takes a few months from start to finish, including steps like plan review, utility connections, and final inspections. 

Whether you’re building a new unit or converting existing structures like a garage apartment or basement apartment, we’ll keep the process moving forward efficiently.

Costs for ADU construction depend on the size, materials, and design of the additional dwelling unit. Renovation loans and financing options are available to help with costs like building permit fees or utility connections. 

We’ll provide transparent pricing and work with you to stay within your budget while ensuring your new unit meets your needs.

Adding an ADU can increase property value, which may raise property taxes. However, the potential rental income from a dwelling unit or the increased resale value often outweighs the cost. 

We’ll help you understand how building an ADU on your residential property may impact property taxes so you can make an informed decision.

Absolutely! Many property owners choose to convert existing structures like garages or basements into accessory dwelling units (ADUs). 

These conversions are often more affordable since the basic structure is already in place, and they create additional space for rental units, guest housing, or flexible living space for family members. We’ll assess your property to ensure it meets local codes and ADU regulations.

We do! As experienced ADU builders in Texas, we handle everything, from addressing required documentation to managing the building permit application process. This includes zoning regulations, plan review, utility connections, local codes, inspections, and final approvals. You can rely on us to manage the details, so you don’t have to worry.

Building an ADU or accessory structure offers several benefits. It helps address the affordable housing crisis, adds much-needed housing stock in urban centers, and provides more affordable housing options for extended families or adult children. 

Whether you’re adding an in-law suite, backyard cottage, or tiny house, ADU construction is a smart way to make the most of your primary house while contributing to the real estate market. Plus, it’s a great option for creating habitable space that works for you and your lifestyle!

Steven Gill

Make the Choice You'll Wish You Made Years Ago

Investing in your property with our help isn’t just about building—it’s about creating something useful, valuable, and meaningful for your family. Many homeowners tell us they wish they had reached out sooner after seeing how transforming a space boosted their lifestyle. Whether for extra room, a guest house, or additional rental income, this decision directly benefits your everyday life and future.

We’re here to guide you every step of the way. Contact us at (254) 369-5978 and let the team bring your ideas to life. We’re proud to serve families right here in the Harker Heights, Belton, and Temple areas, building trust and spaces that matter in Texas communities.

(takes 1-2 min)