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Addition to existing structure builders in Tigard

Showing 1-10 of 952
Avatar for KOLT CONSTRUCTION LLC
KOLT CONSTRUCTION LLC
11265 SE 30th Ave
5.00(
9
)
Approved Pro
KOLT CONSTRUCTION LLC
11265 SE 30th Ave
5.00(
9
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
2 years of experience

Kolt Construction is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"Amazingly therl and timely work"

Tre A on February 2024

Kolt Construction is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"Amazingly therl and timely work"

Tre A on February 2024


NW Craft Construction, LLC
446 Linvingood Lane
5.00(
2
)
Approved Pro
NW Craft Construction, LLC
446 Linvingood Lane
5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
15 years of experience

NW Craft Construction LLC is the premier home improvement company serving Lake Oswego and West Linn for over 12 years. Our #1 goal as a company is having complete customer satisfaction and there is no job that is too big or too small. If you want the job done right, call Scott today for a FREE estimate.

"He was great! Has great prices all around and does high quality work"

Brian B on November 2021

NW Craft Construction LLC is the premier home improvement company serving Lake Oswego and West Linn for over 12 years. Our #1 goal as a company is having complete customer satisfaction and there is no job that is too big or too small. If you want the job done right, call Scott today for a FREE estimate.

"He was great! Has great prices all around and does high quality work"

Brian B on November 2021


Avatar for Redeemed Construction, Corp.
Redeemed Construction, Corp.
12607 Northeast 9th Street
4.83(
3
)
Approved Pro
Redeemed Construction, Corp.
12607 Northeast 9th Street
4.83(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
6 years of experience

At Redeemed Construction, we are dedicated to delivering excellence in every project we undertake. We adhere to the highest standards of integrity, fairness, honesty, and personal responsibility. Our distinction lies in the superior quality of service we provide to our clients. Our profound knowledge of the trade, coupled with our unmatched skillset, defines us as true professionals. Above all, we prioritize our customers' interests, ensuring that their concerns are at the heart of our business. Contact us today and experience the Redeemed Construction difference! 503-880-2764

"I am the manager of a self storage facility and the guys from Redeemed Construction, were very professional, always showed up on time, have great customer service and were a pleasure to work with. I will hire them again, when I need work done."

Elizabeth J on October 2023

At Redeemed Construction, we are dedicated to delivering excellence in every project we undertake. We adhere to the highest standards of integrity, fairness, honesty, and personal responsibility. Our distinction lies in the superior quality of service we provide to our clients. Our profound knowledge of the trade, coupled with our unmatched skillset, defines us as true professionals. Above all, we prioritize our customers' interests, ensuring that their concerns are at the heart of our business. Contact us today and experience the Redeemed Construction difference! 503-880-2764

"I am the manager of a self storage facility and the guys from Redeemed Construction, were very professional, always showed up on time, have great customer service and were a pleasure to work with. I will hire them again, when I need work done."

Elizabeth J on October 2023


Avatar for DSC Designworks, Inc.
DSC Designworks, Inc.
15069 SE 94th Ave
4.83(
4
)
Approved Pro
DSC Designworks, Inc.
15069 SE 94th Ave
4.83(
4
)
Approved Pro
Customers say: Terrific value
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
32 years of experience

is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"The project turned out way better than we thought it would be!"

John W on March 2020

is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"The project turned out way better than we thought it would be!"

John W on March 2020


Avatar for F.J.S. Construction
F.J.S. Construction
4532 SE 73rd Ave Unit A
4.90(
5
)
Approved Pro
F.J.S. Construction
4532 SE 73rd Ave Unit A
4.90(
5
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
19 years of experience

I moved from a farm into a new house in a small town. They built four more homes next to our house and I told my parents I want to do that when I grow up. For the last 33 years I’ve been doing just that . I guess you can say “ I’m living my dream “. I do my best to listen to my clients and help them with the vision they gave for their. Communication from start to finish.

"I would highly recommend them!"

Jim H on March 2023

I moved from a farm into a new house in a small town. They built four more homes next to our house and I told my parents I want to do that when I grow up. For the last 33 years I’ve been doing just that . I guess you can say “ I’m living my dream “. I do my best to listen to my clients and help them with the vision they gave for their. Communication from start to finish.

"I would highly recommend them!"

Jim H on March 2023


Avatar for McFadin Design/Build LLC
McFadin Design/Build LLC
2112 NE Wygant Street
5.00(
3
)
Approved Pro
McFadin Design/Build LLC
2112 NE Wygant Street
5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
25 years of experience

We are a small, family oriented, second generation design/ build firm located in NE Portland. We believe the simplest solutions to problems are usually the best. We operate in and foster an environment of mutual respect. Respect for each other, for our clients, and for the the world we live in. We are here for a simple reason: To do good work.

"Nice guy and easy to work with. Came up with different ideas, and saved me money. Very professional, available, responsible, and reliable. Did the job in a timely manner, and absolutely finished it when he was supposed to."

Sonia F on December 2020

We are a small, family oriented, second generation design/ build firm located in NE Portland. We believe the simplest solutions to problems are usually the best. We operate in and foster an environment of mutual respect. Respect for each other, for our clients, and for the the world we live in. We are here for a simple reason: To do good work.

"Nice guy and easy to work with. Came up with different ideas, and saved me money. Very professional, available, responsible, and reliable. Did the job in a timely manner, and absolutely finished it when he was supposed to."

Sonia F on December 2020


Avatar for MHM Construction, LLC
MHM Construction, LLC
146 DRAPER STREET Ne
5.00(
3
)
Approved Pro
MHM Construction, LLC
146 DRAPER STREET Ne
5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
5 years of experience

We are a locally owned and operated company. We value honesty and integrity in all aspects of our business. We offer a variety of home improvement services that are customized to each individual project. 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!

"They were very easy to work with and very kind I got exactly what I asked for. They pay close attention to detail. Theyâ  re very clean and thorough! They do everything to please the client"

Luis S on June 2023

We are a locally owned and operated company. We value honesty and integrity in all aspects of our business. We offer a variety of home improvement services that are customized to each individual project. 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!

"They were very easy to work with and very kind I got exactly what I asked for. They pay close attention to detail. Theyâ  re very clean and thorough! They do everything to please the client"

Luis S on June 2023


Avatar for Link Construction Company
Link Construction Company
204 W 18th St
5.00(
8
)
Approved Pro
Link Construction Company
204 W 18th St
5.00(
8
)
Approved Pro
6 years of experience
Free onsite estimate

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!

"Very happy with the remodel work completed at my house. Smooth process and communication with my experience. "

Mike H on April 2025

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!

"Very happy with the remodel work completed at my house. Smooth process and communication with my experience. "

Mike H on April 2025


Avatar for Colbyco Custom Construction, LLC
Colbyco Custom Construction, LLC
12042 Southeast Sunnyside Road, Box 352
3.67(
3
)
Approved Pro
Colbyco Custom Construction, LLC
12042 Southeast Sunnyside Road, Box 352
3.67(
3
)
Approved Pro
15 years of experience
Free onsite estimate

Colbyco Custom Construction, the father son team that you want for your custom build. Over 35 years of expertise in construction specializing in additions and custom built and spec homes. Our quality service and keen eye for detail provides outstanding results. Let our team build your dreams with our in-house designers we bring your dreams to life. Call Colbyco Custom Construction, LLC, today for your professional consultation.

"I have delt with a lot of bad contractors in my life and Colbyco is the absolute worst! The communication between father and son was horrible. I was supposed to work with the father and he didn't share with the son what I wanted to happen. He lives on the other side of the state and was trying to direct the project from there which was a joke. Everything that could go wrong did go wrong and two years later I'm still living with the horrible work that they did. If you don't have any idea about what you want and leave everything in their hands then fine, but if you want something custom, to your own specifications, forget it. They will do whatever they want and won't fix it later. Run, Run, Run away from this company!"

Bonnie W on September 2024

Colbyco Custom Construction, the father son team that you want for your custom build. Over 35 years of expertise in construction specializing in additions and custom built and spec homes. Our quality service and keen eye for detail provides outstanding results. Let our team build your dreams with our in-house designers we bring your dreams to life. Call Colbyco Custom Construction, LLC, today for your professional consultation.

"I have delt with a lot of bad contractors in my life and Colbyco is the absolute worst! The communication between father and son was horrible. I was supposed to work with the father and he didn't share with the son what I wanted to happen. He lives on the other side of the state and was trying to direct the project from there which was a joke. Everything that could go wrong did go wrong and two years later I'm still living with the horrible work that they did. If you don't have any idea about what you want and leave everything in their hands then fine, but if you want something custom, to your own specifications, forget it. They will do whatever they want and won't fix it later. Run, Run, Run away from this company!"

Bonnie W on September 2024


Avatar for Bowlsby Construction LLC
Bowlsby Construction LLC
2353 Southwest 20th Street
5.00(
3
)
Approved Pro
Bowlsby Construction LLC
2353 Southwest 20th Street
5.00(
3
)
Approved Pro
27 years of experience
Free onsite estimate

We take great pride in our experience, expertise, quality and customer service that we provide to meet every consumer's needs. It is our mission to provide excellent customer service from start to completion of a project. To understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a personal and professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"Mark did an excellent job remodeling my kitchen, bathroom, & added a deck on the front of my house. He was very reasonably priced, super knowledgeable, & kept me in the loop during the project. I totally love all the work he did, & would definitely hire him again."

Kristy M on April 2025

We take great pride in our experience, expertise, quality and customer service that we provide to meet every consumer's needs. It is our mission to provide excellent customer service from start to completion of a project. To understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a personal and professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"Mark did an excellent job remodeling my kitchen, bathroom, & added a deck on the front of my house. He was very reasonably priced, super knowledgeable, & kept me in the loop during the project. I totally love all the work he did, & would definitely hire him again."

Kristy M on April 2025

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Showing 1-10 of 952

Addition to existing structure building services FAQs

Building an in-law suite takes between two and seven months. Converting an existing basement, attic, or room can be done in about two months. Constructing a new addition or detached suite often takes four to five months for construction, plus one to two months for permits. The bigger the suite, the longer it will take. 

Yes, you can build an in-law suite in your backyard if you meet local building codes and zoning regulations. An in-law suite often occupies 300 to 800 square feet. Be sure to follow size restrictions, utility separations, and entrance requirements. Hiring a qualified contractor ensures you meet all regulatory requirements because they can pull permits, double-check local code, and gather other skilled pros to work on your suite. 

The homeowners guide to addition to existing structure building services
From average costs to expert advice, get all the answers you need to get your job done.
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An in-law suite is a great solution for people who have family visiting often. Explore how much an in-law suite costs and prep to build yours.
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Looking to vault a ceiling? Here’s how much it costs, what factors affect cost, and what to expect.
Outdoor view of the modern house
Apr 22, 2025
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Explore how square footage, room type, home additions, and other common factors affect house renovation costs with our detailed cost guide.
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Apr 21, 2025
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Discover how much a log cabin costs to build, exploring how factors like its size, site prep, utilities, finishes, and labor rates affect the total price.
CONTRACTOR LOOKING OVER HOME DEVELOPMENT
Apr 19, 2025
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Budget for your general contractor’s hourly rate by considering factors such as project scope, fee structure, pricing model, and more.
stucco home with cracks from earthquake damage
Apr 16, 2025
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Work out the full cost to repair earthquake damage based on the type of damage, including foundation issues, utility lines, and cracked walls.
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