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Guest house builders in Westminster

Avatar for MyBath Colorado
MyBath Colorado
10940 S Parker Rd
4.00(
4
)
Approved Pro
MyBath Colorado
10940 S Parker Rd
4.00(
4
)
Approved Pro
Customers say: Quality work
1145 local quotes requested
2 years of experience

MyBath Colorado is a smaller local bathroom remodeling company that offers higher end, quality product without the price tag of the big remodel companies. We offer bathroom remodels, which ranges from tub and shower replacements, tub-to-shower conversions, safe showers, and more. We are local families serving local families. Our reputation over thousands of projects completed is built on service, safety and quality, built for you. This is your house, your family, your bath.

"My Bath Colorado did an amazing job updating my bathroom! It's now the nicest room in my house! Noah and Dillon did a fantastic job with installation and were very professional and courteous. I'm ready to do the next bathroom (when I save up my money - lol). Thanks My Bath!"

Karmen A on February 2025

MyBath Colorado is a smaller local bathroom remodeling company that offers higher end, quality product without the price tag of the big remodel companies. We offer bathroom remodels, which ranges from tub and shower replacements, tub-to-shower conversions, safe showers, and more. We are local families serving local families. Our reputation over thousands of projects completed is built on service, safety and quality, built for you. This is your house, your family, your bath.

"My Bath Colorado did an amazing job updating my bathroom! It's now the nicest room in my house! Noah and Dillon did a fantastic job with installation and were very professional and courteous. I'm ready to do the next bathroom (when I save up my money - lol). Thanks My Bath!"

Karmen A on February 2025


Avatar for My Sons Fences And Landscape Contractors LLC
My Sons Fences And Landscape Contractors LLC
679 S Reed Ct
5.00(
9
)
Approved Pro
My Sons Fences And Landscape Contractors LLC
679 S Reed Ct
5.00(
9
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
1213 local quotes requested

Is your current landscape losing its charm, or are you in search of the perfect landscaping idea to elevate your home’s aesthetics? Look no further because we are the Colorado Landscaping Company you want to handle your next landscaping project. Here at My Son’s Landscaping & Fencing, we are a team of experienced Colorado Landscaping experts specializing in breathing new life into outdoor spaces in Colorado. Our expertise covers landscape construction all types of fences, patios, decks, lawns, backyards, and gardens. Big or small projects we got you covered!

"I’m thoroughly impressed by the professionalism and work product of My Sons Fences and Landscape. They built me a gorgeous custom fence that has quickly held up against record snowfall and hurricane force winds. Ulises and his crew were a pleasure to work with - responsive, timely, great communication and follow-up, and excellent results. I will certainly hire them again for other projects. I highly recommend their services. I couldn’t be more pleased with how my fence turned out!!"

Nina P on April 2024

Is your current landscape losing its charm, or are you in search of the perfect landscaping idea to elevate your home’s aesthetics? Look no further because we are the Colorado Landscaping Company you want to handle your next landscaping project. Here at My Son’s Landscaping & Fencing, we are a team of experienced Colorado Landscaping experts specializing in breathing new life into outdoor spaces in Colorado. Our expertise covers landscape construction all types of fences, patios, decks, lawns, backyards, and gardens. Big or small projects we got you covered!

"I’m thoroughly impressed by the professionalism and work product of My Sons Fences and Landscape. They built me a gorgeous custom fence that has quickly held up against record snowfall and hurricane force winds. Ulises and his crew were a pleasure to work with - responsive, timely, great communication and follow-up, and excellent results. I will certainly hire them again for other projects. I highly recommend their services. I couldn’t be more pleased with how my fence turned out!!"

Nina P on April 2024


Avatar for Gribbons Group Corp
Gribbons Group Corp
1680 Carr Street
5.00(
3
)
Approved Pro
Gribbons Group Corp
1680 Carr Street
5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
399 local quotes requested

At Gribbons Group, we specialize in high-quality residential construction projects including home additions, garages, ADUs (Accessory Dwelling Units), egress window installations, kitchen and bathroom remodels, full home renovations, and foundation repairs. As a licensed and insured Class B general contractor, we’re equipped to handle projects of all sizes — from $5,000 updates to $700,000+ major overhauls. We’re not the cheapest — and we don’t aim to be. What sets us apart is our commitment to quality craftsmanship, skilled subcontractors, and a clear, honest pricing model. We charge a straightforward percentage on top of subcontractor costs, so you always know where your money is going — no hidden markups, no games. Our team includes an in-house designer and structural engineer, making us a full-service firm that can take your vision from concept to completion. We stand behind our work with a warranty and a reputation built on delivering durable, beautiful results that exceed code and expectation.

"The quality of work was excellent; I would use again and have recommended to others. Contractors were kind, respectul, and easy to communicate with. The only thing is that project completion took longer than promised. Other than that, very pleased! Thank you, Gribbons Group!"

Susan M on March 2025

At Gribbons Group, we specialize in high-quality residential construction projects including home additions, garages, ADUs (Accessory Dwelling Units), egress window installations, kitchen and bathroom remodels, full home renovations, and foundation repairs. As a licensed and insured Class B general contractor, we’re equipped to handle projects of all sizes — from $5,000 updates to $700,000+ major overhauls. We’re not the cheapest — and we don’t aim to be. What sets us apart is our commitment to quality craftsmanship, skilled subcontractors, and a clear, honest pricing model. We charge a straightforward percentage on top of subcontractor costs, so you always know where your money is going — no hidden markups, no games. Our team includes an in-house designer and structural engineer, making us a full-service firm that can take your vision from concept to completion. We stand behind our work with a warranty and a reputation built on delivering durable, beautiful results that exceed code and expectation.

"The quality of work was excellent; I would use again and have recommended to others. Contractors were kind, respectul, and easy to communicate with. The only thing is that project completion took longer than promised. Other than that, very pleased! Thank you, Gribbons Group!"

Susan M on March 2025


Avatar for Centennial Outdoor Creations LLC
Centennial Outdoor Creations LLC
721 7th St
New on HomeAdvisorNew on Angi
Approved Pro
Centennial Outdoor Creations LLC
721 7th St
New on AngiNew on HomeAdvisor
Approved Pro
740 local quotes requested
9 years of experience

We are a locally owned and operated company with over 4 years of industry experience. We value honesty and integrity in all aspects of our business. We offer a variety of lawn care and landscaping services that are customizable to each individual property. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships with our clients and guarantee your satisfaction! Our team are fully qualified and will take the time to understand and meet your needs. We take great pride in our work and treat any space like it's our own.

We are a locally owned and operated company with over 4 years of industry experience. We value honesty and integrity in all aspects of our business. We offer a variety of lawn care and landscaping services that are customizable to each individual property. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships with our clients and guarantee your satisfaction! Our team are fully qualified and will take the time to understand and meet your needs. We take great pride in our work and treat any space like it's our own.


Avatar for Trio Construction
Trio Construction
1040 South Gaylord Street
4.80(
5
)
Approved Pro
Trio Construction
1040 South Gaylord Street
4.80(
5
)
Approved Pro
Super Service Award
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
822 local quotes requested

Trio Construction is here to be your partner in bringing your construction visions to life. With our wide array of services, skilled team, and unwavering dedication to quality, we are the general contractor you can rely on for all your construction needs in the Denver area. Contact us today to discover how Trio Construction can turn your dreams into reality.

"What an amazing Team! Trio did such a great job on my concrete. I was looking for a way to save my big tree in my backyard while still being able to use the space. And they made it happen! Could not be happier! Ended up adding to the project; I was so happy with the work. And now I have a new front porch as well! Thank you Trio Team !"

Emily W on September 2024

Trio Construction is here to be your partner in bringing your construction visions to life. With our wide array of services, skilled team, and unwavering dedication to quality, we are the general contractor you can rely on for all your construction needs in the Denver area. Contact us today to discover how Trio Construction can turn your dreams into reality.

"What an amazing Team! Trio did such a great job on my concrete. I was looking for a way to save my big tree in my backyard while still being able to use the space. And they made it happen! Could not be happier! Ended up adding to the project; I was so happy with the work. And now I have a new front porch as well! Thank you Trio Team !"

Emily W on September 2024


Classic Remodeling and Properties LLC
9624 Las Colinas Dr.
4.20(
10
)
Approved Pro
Classic Remodeling and Properties LLC
9624 Las Colinas Dr.
4.20(
10
)
Approved Pro
Customers say: Terrific value
789 local quotes requested
33 years of experience

Local Colorado Company. We have been in Colorado since 1992. We accept cash, check, and insurance claims. We have the experience and dedication to get the job done right! Specializing in Egress Windows services; We guarantee your satisfaction, and we won't leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Call or click for your FREE estimate today!

"Kevin was great! His knowledge and experience sets him above other contractors I’ve used. Work was done on time and everything came out great. Kevin took care of everything With my insurance claim. After I filed the claim I didn’t need to talk to them again. Highly recommend"

Don H on May 2025

Local Colorado Company. We have been in Colorado since 1992. We accept cash, check, and insurance claims. We have the experience and dedication to get the job done right! Specializing in Egress Windows services; We guarantee your satisfaction, and we won't leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Call or click for your FREE estimate today!

"Kevin was great! His knowledge and experience sets him above other contractors I’ve used. Work was done on time and everything came out great. Kevin took care of everything With my insurance claim. After I filed the claim I didn’t need to talk to them again. Highly recommend"

Don H on May 2025


Avatar for Wes-Tec Builders Company, Inc.
Wes-Tec Builders Company, Inc.
2850 W 92nd Ave
3.60(
5
)
Approved Pro
Wes-Tec Builders Company, Inc.
2850 W 92nd Ave
3.60(
5
)
Approved Pro
Customers say: Terrific value
1147 local quotes requested
37 years of experience

Family owned and operated for over 25 years. A+ rating at the BBB. All major credit cards accepted. Financing available.

"Steve and his team did a great job. He worked with our home insurance and got the water damaged floor replaced quickly and it looks great!"

Kelsey A on August 2024

Family owned and operated for over 25 years. A+ rating at the BBB. All major credit cards accepted. Financing available.

"Steve and his team did a great job. He worked with our home insurance and got the water damaged floor replaced quickly and it looks great!"

Kelsey A on August 2024


Avatar for Mannis Home Enhancement LLC
Mannis Home Enhancement LLC
PO Box 3061
5.00(
5
)
Approved Pro
Mannis Home Enhancement LLC
PO Box 3061
5.00(
5
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
230 local quotes requested

Since 1927, Mannis has provided exceptional, 5-star-rated service by prioritizing customer satisfaction, delivering high-quality work, maintaining clear communication and addressing any concerns promptly. We understand how important your home is to you and the effort it took to make it yours. With Mannis, you can trust us to care for your home as if it were our own. That’s why we’ve been the go-to company for all home services for over 97 years!

"Mannis Home Enhancement recently remodeled my bathroom, and the result is beautiful! From the start, Tyler and his team made the whole process seamless. They helped me with the design and offered recommendations that were not only high quality but also stunning—honestly, their suggestions turned out even better than I expected. We felt so comfortable and confident in their expertise from day one, and it was clear they truly care about delivering a great result. We feel lucky to have found Mannis and will definitely be calling them again for future projects!"

James K on October 2024

Since 1927, Mannis has provided exceptional, 5-star-rated service by prioritizing customer satisfaction, delivering high-quality work, maintaining clear communication and addressing any concerns promptly. We understand how important your home is to you and the effort it took to make it yours. With Mannis, you can trust us to care for your home as if it were our own. That’s why we’ve been the go-to company for all home services for over 97 years!

"Mannis Home Enhancement recently remodeled my bathroom, and the result is beautiful! From the start, Tyler and his team made the whole process seamless. They helped me with the design and offered recommendations that were not only high quality but also stunning—honestly, their suggestions turned out even better than I expected. We felt so comfortable and confident in their expertise from day one, and it was clear they truly care about delivering a great result. We feel lucky to have found Mannis and will definitely be calling them again for future projects!"

James K on October 2024


Avatar for Red Rock Landscape
Red Rock Landscape
5.00(
5
)
Approved Pro
Red Rock Landscape
5.00(
5
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
467 local quotes requested

We renovate outdoor living spaces into a place you can call home. Red Rock Landscape specializes in landscaping renovations and installations for residential and commercial properties. Our team of experts provides customized solutions to create beautiful and functional outdoor spaces. Contact us today to schedule a consultation.

"It went very well. Calvin explained everything in detail, and consulted with us every step of the way for our backyard turf. He was patient with our very friendly dog who likes to see what’s happening in her yard. Our backyard has been elevated, and we look forward to enjoying it for many years to come as they went above and beyond to prepare the base layers and secure the turf."

Meli M on June 2023

We renovate outdoor living spaces into a place you can call home. Red Rock Landscape specializes in landscaping renovations and installations for residential and commercial properties. Our team of experts provides customized solutions to create beautiful and functional outdoor spaces. Contact us today to schedule a consultation.

"It went very well. Calvin explained everything in detail, and consulted with us every step of the way for our backyard turf. He was patient with our very friendly dog who likes to see what’s happening in her yard. Our backyard has been elevated, and we look forward to enjoying it for many years to come as they went above and beyond to prepare the base layers and secure the turf."

Meli M on June 2023


Avatar for Bedrock Landscape, LLC
Bedrock Landscape, LLC
11108 Cherryvale St
4.64(
11
)
Approved Pro
Bedrock Landscape, LLC
11108 Cherryvale St
4.64(
11
)
Approved Pro
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
721 local quotes requested

Bedrock Landscape LLC offers EXPERT CUSTOM STONEWORK, CUSTOM PATIOS, AND SLAB WORK and landscaping services in Boulder, CO and the surrounding area. If you have a vision for your outdoor space, our landscaper will work hard to bring it to life with custom concrete stonework, or a concrete or flagstone patio, landscaping, and water features. We offer both landscape design and build services. We can build all kinds of custom features, including fire pits, pergolas, waterfalls and ponds. We can also plant beautiful trees and flowers to make your outdoor space something truly special and the perfect place for both entertaining your guest or just relaxing with your family! Contact us today to get a FREE estimate on landscaping services in Boulder, CO.

"Very fast and Great workmanship."

Jim R on June 2020

Bedrock Landscape LLC offers EXPERT CUSTOM STONEWORK, CUSTOM PATIOS, AND SLAB WORK and landscaping services in Boulder, CO and the surrounding area. If you have a vision for your outdoor space, our landscaper will work hard to bring it to life with custom concrete stonework, or a concrete or flagstone patio, landscaping, and water features. We offer both landscape design and build services. We can build all kinds of custom features, including fire pits, pergolas, waterfalls and ponds. We can also plant beautiful trees and flowers to make your outdoor space something truly special and the perfect place for both entertaining your guest or just relaxing with your family! Contact us today to get a FREE estimate on landscaping services in Boulder, CO.

"Very fast and Great workmanship."

Jim R on June 2020

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Guest house building services FAQs

In most states, yes—you can build a guest house, but every city or county sets its own zoning rules and building codes. Before breaking ground, check local ordinances, confirm lot setbacks, and secure the right permits. A local contractor or design-build firm can walk you through the paperwork and site requirements so your project starts on solid legal footing.

Yes—homeowners often tap a few different financing tools. A home-equity line of credit (HELOC) lets you borrow against your equity as you need funds. If you prefer a lump sum tied directly to the project, a short-term construction loan can roll into a second mortgage once the build is complete. Cash-out refinancing is another option: you replace your current mortgage with a larger one and use the difference to cover construction costs.

When you build a guest house, you’re creating a separate structure for hosting visitors without the full amenities needed for permanent living. An accessory dwelling unit, however, includes a complete kitchen and bathroom, meeting building codes for a long-term residence. This key difference makes an ADU ideal for long-term occupancy or rental income, adding enduring value to your property.

How many rooms you need depends on how you plan to use the space. Aim for one bedroom per every one or two occupants to make sure everyone has enough privacy and comfort. Added living and dining areas give you extra functionality, especially for rental use or long-term stays.

Most homeowners pick somewhere between 600 and 1,500 square feet to fit all the essentials. Make sure your design supports one to two occupants per bedroom and includes enough common areas for comfortable daily living. A well-proportioned layout boosts both functionality and property value.

No—a guest house isn’t just a bump-out on your main home. A bump-out is a small extension within an existing room for extra seating or storage. In contrast, you build a guest house as a standalone building with its own foundation and amenities, giving you a fully separate living area that can boost your property’s versatility and value.

The homeowners guide to guest house building services
From average costs to expert advice, get all the answers you need to get your job done.
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