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Find Addition to existing structure builders in Olympia

CNC Corporation

9609 Berkshire Court Southeast
4.88(
8
)
Approved Pro

CNC Corporation

9609 Berkshire Court Southeast
4.88(
8
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
35 years of experience

If you're looking for quality, reasonable prices and professionalism, look no further than CNC Corporation. We are simply the best. Serving the Thurston, Pierce and King County areas for over 30 years, we design, remodel and build custom additions that bond with your vision and style to reflect your image among your peers. Our designs will give you a boost of prestige and status, unmatched by industry standards. We are committed to satisfying our client�s needs and wants. We specialize in custom additions, remodels and deck builds, we can do it all as a general contractor. We give free quotes and are fully insured. Call us today! Office hours: 5am - 7pm

"Charlie and his team replaced siding and rotted sill and 2 x 4's due to water damage. He was very responsive in quickly supplying a bid and being available when we needed him. The work was done efficiently with he and his other worker. My only slight disappointment was that we did not have as clear of communication as we should have about unused materials and we ended up losing a piece of siding that we should have kept but truly communication is a two-way street so it was partially our fault but he should have asked as well. We will definitely call him again for work on this house very profeswe will definitely call him again for work on this house very professional"

Anne S on April 2016

If you're looking for quality, reasonable prices and professionalism, look no further than CNC Corporation. We are simply the best. Serving the Thurston, Pierce and King County areas for over 30 years, we design, remodel and build custom additions that bond with your vision and style to reflect your image among your peers. Our designs will give you a boost of prestige and status, unmatched by industry standards. We are committed to satisfying our client�s needs and wants. We specialize in custom additions, remodels and deck builds, we can do it all as a general contractor. We give free quotes and are fully insured. Call us today! Office hours: 5am - 7pm

"Charlie and his team replaced siding and rotted sill and 2 x 4's due to water damage. He was very responsive in quickly supplying a bid and being available when we needed him. The work was done efficiently with he and his other worker. My only slight disappointment was that we did not have as clear of communication as we should have about unused materials and we ended up losing a piece of siding that we should have kept but truly communication is a two-way street so it was partially our fault but he should have asked as well. We will definitely call him again for work on this house very profeswe will definitely call him again for work on this house very professional"

Anne S on April 2016


"Pat is a very knowledgeable contractor. Definitely a workaholic. He showed up on time, gave me a fair bid and worked 7 days a week till it was done. My new shop is perfect inside and out I highly recommend Farmhouse Construction."

Jay B on January 2025

I pride myself on my professionalism, as well as my ability to complete every job to the homeowner's total satisfaction. I never leave a job unfinished, or a homeowner not 100% satisfied with my level of service - Call today!

"Pat is a very knowledgeable contractor. Definitely a workaholic. He showed up on time, gave me a fair bid and worked 7 days a week till it was done. My new shop is perfect inside and out I highly recommend Farmhouse Construction."

Jay B on January 2025


Avatar for Harmon & Harmon Consulting, Inc.

Harmon & Harmon Consulting, Inc.

4742 181st Ln SW
4.46(
47
)
Approved Pro

Harmon & Harmon Consulting, Inc.

4742 181st Ln SW
4.46(
47
)
Approved Pro
Customers say: Super punctual
38 local quotes requested
37 years of experience

With over 30 years of experience in the general contracting Industry, we are the experts you need to take care of your home or business. We handle everything from remodels to deck/porch builds. We will treat your home or business as we would treat our own. Give Harmon & Harmon Consulting a call today, we look forward to working with you!

"Had them rip out the fireplace that was installed poorly in 1990. A bit costly, but I doubt a single handyman could have done it in a timely fashion. Done in 3 days start to finish. I was expecting some water damage, but it was much worse. Getting a exact price for the work out of them beforehand was impossible. Ultimately it cost $2500 extra do to having to replace more sections of the roof and support beans. They didn't pull a fast one, the wood crumbled when touched. Labor isn't cheap. Would hire them again because the work is solid. "

Isaiah R on August 2025

With over 30 years of experience in the general contracting Industry, we are the experts you need to take care of your home or business. We handle everything from remodels to deck/porch builds. We will treat your home or business as we would treat our own. Give Harmon & Harmon Consulting a call today, we look forward to working with you!

"Had them rip out the fireplace that was installed poorly in 1990. A bit costly, but I doubt a single handyman could have done it in a timely fashion. Done in 3 days start to finish. I was expecting some water damage, but it was much worse. Getting a exact price for the work out of them beforehand was impossible. Ultimately it cost $2500 extra do to having to replace more sections of the roof and support beans. They didn't pull a fast one, the wood crumbled when touched. Labor isn't cheap. Would hire them again because the work is solid. "

Isaiah R on August 2025


Avatar for Lakeview Contractors, Inc

Lakeview Contractors, Inc

2532 Summit Lake Shore Rd NW
5.00(
11
)
Approved Pro

Lakeview Contractors, Inc

2532 Summit Lake Shore Rd NW
5.00(
11
)
Approved Pro
27 years of experience
Free onsite estimate

Established in 1998, owner Ted Hultman continues his vision with his sons; Ryder and Tanner Hultman. Together this second generation of contractors has worked hard to establish long-lasting, professional relationships with local vendors and sub contractors to ensure swift and thorough contracting services in Olympia, Lacey, Tumwater and surrounding cities of Thurston County, WA. We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. Call us today.

"Did a fantastic job building us a new fence!"

Inah _ on May 2025

Established in 1998, owner Ted Hultman continues his vision with his sons; Ryder and Tanner Hultman. Together this second generation of contractors has worked hard to establish long-lasting, professional relationships with local vendors and sub contractors to ensure swift and thorough contracting services in Olympia, Lacey, Tumwater and surrounding cities of Thurston County, WA. We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. Call us today.

"Did a fantastic job building us a new fence!"

Inah _ on May 2025


Avatar for Legacy Construction

Legacy Construction

PO Box 663 RAINIER WA 98576
5.00(
11
)
Approved Pro

Legacy Construction

PO Box 663 RAINIER WA 98576
5.00(
11
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
113 local quotes requested

At Legacy Construction we pride ourselves in honesty and integrity. Our projects reflect on our legacy for many generations to come. Family owned and operated with over 75 years of combined experience in all phases of residential/commercial construction, whether it be a remodel or a new build we complete our projects with a foreman/owner onsite daily. From small handyman projects to a 40,000 square foot tenant improvements one call does it all. We pride ourselves on staying within budget and keeping deadlines as promised.

"First off, we love our new decks! After 7 years of being scared to go out on our deck we can finally enjoy it. Everyone that helped and worked to get everything done was awesome. Bryce and Brady were both super nice and worked super hard. Bill was great to communicate with and would throughly go over any questions we had. We will definitely be using Legacy Construction again and highly recommend them to everyone!"

Michelle B on July 2025

At Legacy Construction we pride ourselves in honesty and integrity. Our projects reflect on our legacy for many generations to come. Family owned and operated with over 75 years of combined experience in all phases of residential/commercial construction, whether it be a remodel or a new build we complete our projects with a foreman/owner onsite daily. From small handyman projects to a 40,000 square foot tenant improvements one call does it all. We pride ourselves on staying within budget and keeping deadlines as promised.

"First off, we love our new decks! After 7 years of being scared to go out on our deck we can finally enjoy it. Everyone that helped and worked to get everything done was awesome. Bryce and Brady were both super nice and worked super hard. Bill was great to communicate with and would throughly go over any questions we had. We will definitely be using Legacy Construction again and highly recommend them to everyone!"

Michelle B on July 2025


Avatar for Design Build NW, LLC

Design Build NW, LLC

5401 104th St E, Suite C
5.00(
6
)
Approved Pro

Design Build NW, LLC

5401 104th St E, Suite C
5.00(
6
)
Approved Pro
Customers say: Quick response
10 local quotes requested
32 years of experience

Design Build - Home Plans NW proudly serves its customers with pride, integrity and attention to the details that matter most to you. This is one of the many things that sets us apart from the rest. Locally owned and serving the Pacific NW for going on 30 years! We Listen, We Communicate Part of good communication is listening, and that’s what we do with phone calls or face-to-face meetings. Architectural Design & Build With architectural design and structural engineering costing $6,000 – $14,000, we create all designs with our “in-house” team. We've Build Over 5,000 Homes Our team’s background is in both residential remodeling as well as custom home construction with more than 100 years experience. If we can build thousands of Northwest custom homes, imagine what we can do for you. Why Us? Our Promise * Finish what we start and follow-through * Listen to your needs and communicate timely * Give you price competitive services * Maintain a high-level of quality

"We are just beginning. So far I as very impressed and confident that tge project will go forward smoothly"

Marci M on January 2023

Design Build - Home Plans NW proudly serves its customers with pride, integrity and attention to the details that matter most to you. This is one of the many things that sets us apart from the rest. Locally owned and serving the Pacific NW for going on 30 years! We Listen, We Communicate Part of good communication is listening, and that’s what we do with phone calls or face-to-face meetings. Architectural Design & Build With architectural design and structural engineering costing $6,000 – $14,000, we create all designs with our “in-house” team. We've Build Over 5,000 Homes Our team’s background is in both residential remodeling as well as custom home construction with more than 100 years experience. If we can build thousands of Northwest custom homes, imagine what we can do for you. Why Us? Our Promise * Finish what we start and follow-through * Listen to your needs and communicate timely * Give you price competitive services * Maintain a high-level of quality

"We are just beginning. So far I as very impressed and confident that tge project will go forward smoothly"

Marci M on January 2023


Avatar for Northwest Builders & Renovation, Inc.

Northwest Builders & Renovation, Inc.

2003 Maple Valley Highway, Unit 210
4.39(
23
)
Approved Pro

Northwest Builders & Renovation, Inc.

2003 Maple Valley Highway, Unit 210
4.39(
23
)
Approved Pro
Customers say: Super punctual
34 local quotes requested
10 years of experience

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

"northwest builders & renovation did a great job working on my roof and siding. Production team and overall crew was outstanding. Home was left super clean after the work."

Dan S on October 2025

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

"northwest builders & renovation did a great job working on my roof and siding. Production team and overall crew was outstanding. Home was left super clean after the work."

Dan S on October 2025


High Level Builders

17651 1st Ave S Suite 106
New on HomeAdvisorNew on HomeAdvisor
Approved Pro

High Level Builders

17651 1st Ave S Suite 106
New on HomeAdvisorNew on HomeAdvisor
Approved Pro
6 years of experience
Free onsite estimate

With over 10 years of experience in the construction industry, we are the service professionals you need to take care of your home or business. We handle all types of renovation projects. We will treat your home as we would treat our own. Give High Level Builders a call today, we look forward to working with you!

With over 10 years of experience in the construction industry, we are the service professionals you need to take care of your home or business. We handle all types of renovation projects. We will treat your home as we would treat our own. Give High Level Builders a call today, we look forward to working with you!


"Allan was wonderful to work with. He was fantastic about communicating with us and did a stellar job of replacing my dining room floor and patching my walls after we had a pipe burst. We'd absolutely hire him again!"

Sora B on June 2022

Remodeling kitchen and bathroom , building deck and fence. Exterior painting in the summer , interior painting in winter, . Quality is my goal. 100% reponsabilyty is my nick name .

"Allan was wonderful to work with. He was fantastic about communicating with us and did a stellar job of replacing my dining room floor and patching my walls after we had a pipe burst. We'd absolutely hire him again!"

Sora B on June 2022


Avatar for Promise Land Construction, LLC

Promise Land Construction, LLC

40 Cedar Creek Road
5.00(
7
)
Approved Pro

Promise Land Construction, LLC

40 Cedar Creek Road
5.00(
7
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
6 years of experience

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

"Their customer service is amazing, their pricing is very fair, and the quality is fantastic. I would recommend them to anyone and I will use them again"

Dale G on October 2023

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

"Their customer service is amazing, their pricing is very fair, and the quality is fantastic. I would recommend them to anyone and I will use them again"

Dale G on October 2023

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FAQs for addition to existing structure building service projects in Olympia, WA

Yes, hidden rooms are legal, as long as they meet all local building regulations. If you sell your house, most states require homeowners to disclose full houseplans, which would include any hidden rooms.

If your secret room is a safe room, it should contain a means of communication aside from a cell phone, such as a shortwave radio. You should also have plenty of drinking water, a portable generator, emergency food supplies, blankets, pillows, flashlights, batteries and a first aid kit.

Any time you update your home’s square footage, you increase its value, but a secret room is a niche feature that doesn't rank high on every buyer’s list of must-haves. Investing your money in remodeling more common living areas like bedrooms, bathrooms, or kitchens will have a higher ROI than adding a secret room. Many secret rooms can act as entertainment spaces (think a game room or wine cellar) or quiet spaces (a library or study), so when building your secret room you may want to consider its versatility for when you’re ready to sell.

The Olympia, WA 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.

  • A renovated kitchen with a waterfall island

    HomeAdvisor’s DIY Kitchen Remodel Cost Guide looks at the cost of buying supplies and doing the work yourself. Find the key cost factors and how to cut expenses.

  • Secret room within bookcase

    HomeAdvisor's expert guide walks you through the cost to build a secret room, whether you're creating a safe room for security or a fun space to fulfil your childhood fantasies. Use this guide to help plan your secret room project and explore room, concea

  • outdoor patio bar

    Explore the cost to build a bar in your home and learn how materials, wet vs. dry bars, and labor costs influence the total price of your project.