Is it more affordable to finish an attic or a basement?

• <div><p>It is generally more affordable to finish a basement than an attic, though it ultimately depends on how you plan to use the space. The average <a href="https://www.angi.com/articles/how-much-does-it-cost-finish-basement.htm">cost to finish a basement</a> ranges from $7 to $23 per square foot, while attic renovation costs $30 to $60 per square foot. However, a simple attic conversion to a storage space will cost significantly less. </p></div>

Get matched with top basement remodelers in Hilo, HI

Q: Are walkout basements included in square footage?

• <div><p>Walkout basements are not generally included in a home&rsquo;s square footage, although they may be if they meet certain conditions that depend on local regulations. A finished walkout basement used as a living space may be counted toward square footage in some locations as long as all codes for livable space are met.</p></div>

Q: Do I need permits for flooded basement cleanup or repairs?

• <div><p>Permits may be required for major repairs, structural work, or electrical and plumbing restoration after a flood. Check with your local building department to determine permit requirements and associated fees for your flooded basement cleanup project. Obtaining the correct permits helps ensure work is done safely and up to code.</p></div>

Q: How do I budget for a basement remodel?

• <div><p>The average cost of remodeling a basement is <b>$30 to $75 per square foot</b>. If your space is unfinished and looks like it may need more help, use the higher number when calculating your estimated basement remodeling costs. A good rule of thumb is to add an additional 20% to the top of your estimate to cover any &ldquo;what if&rdquo; situations.</p></div>

Q: What room is the most expensive to renovate?

• <div><p>Kitchens and bathrooms are typically the most expensive rooms to renovate. The high cost is due to several factors, including expensive appliances like ranges, hoods, and refrigerators, as well as costly fixtures. The 'bones' of the room, such as electrical and plumbing, are also expensive to move or replace. Because of the vast amount of prep work, finishing, and specialized labor involved in a relatively small footprint, these projects can cost double or more than a living space remodel. Even when trying to renovate on a budget, kitchens and bathrooms will likely carry a hefty price tag.</p></div>

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Verified Reviews for Basement Remodel pros in Hilo, HI

*The Angi rating for Basement Remodel companies in Hilo, HI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Remodel needs.

*The HomeAdvisor rating for Basement Remodel companies in Hilo, HI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Remodel needs.

Last update on December 25, 2025

Reviewed in December 2025
We were repainting the interior of the house we rent out while between tenants. Kyle was able to start and complete the job quickly and his crew did a great job. This is an older (built 1913) home that needed a lot of detail and hand work. They paid close attention to detail, prepped and...
Pro Coat Painting LLC
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Reviewed in September 2025
We had a great experience working with Elite Landscaping and Irrigation! They were able to take our design, plant preferences, budget considerations and make our vision come to life. They extended our lanai space with a surrounding walkway, installed a retaining wall, stairs for better access...
Elite Landscaping and Irrigation
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Reviewed in August 2025
I highly recommend Sean Gustin’s work with Kadywampus Construction/ Precision Epoxy Solutions. He built a lanai for me and visualized, planned and executed it staying within budget and scheduled timeframe. I got two bids for the project, and his bid was lower and reasonable. He drew up a...
Kadywampus Construction
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Reviewed in March 2023
The business owner arrived within hours of the time I submitted my request for an estimate. He seemed very nice and knowledgeable and spent over 30 minutes discussing what I wanted and some options. He left promising the quote would be emailed from his wife by the end of the week. This was...
JC Construction
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Reviewed in February 2023
345 Construction repairs is very knowledgeable and keeps his work area clean as they work. The prices are reasonable and accommodating to what the client can afford. Jason the owner is easy to talk with and he has knowledge of various construction needs such as carpentry, drywall and drywall...
345 Const. Repairs
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Reviewed in November 2022
Once the project is finished I will be extremely happy.
Lux Construction LLC
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Reviewed in October 2022
5 stars is all the truth. Good work. Appreciated everything they did. We had termite damage and exterior walls were replaced. They remodeled our bathrooms and painted the whole house, replaced carpet with hard wood flooring and repaired drywall, replaced the roof and added gutters. We have a...
Oshiro Contracting, LLC
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Reviewed in May 2022
Had my roof, exterior walls, and gutters cleaned. Im very happy with the results. Communicative, professional, polite, and accommodating of time restrictions. Im happy to recommend them.
HAWAII'S PRESSURE WASHING & PAINTING CO.
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Reviewed in January 2022
Roof2Tank made the outside of my house look like it was newly painted. Even another contractor was very impressed. The entire experience was positive, from estimate to payment. Very professional all the way. You won’t be disappointed. AAAAAA
Roof 2 Tank
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Reviewed in December 2015
The original contract stipulated a completion time of "50-70 working days or 2.5-3 months" at a cost of $88,900 plus tax; it took over six months and cost over two and one-half times that much. While I did add items that consumed time and money, the contractor hired extra workers for those items...
Mid Pac Services
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Find Basement remodelers in Hilo

J construction LLC

4.9(

)

Serving Hilo, HI and surrounding areas

In business since 2021

Free estimates

Warranties offered

"Good, quality work, but the workers do not speak english well. You need to watch and pay attention to make sure instructions were relayed correctly."

+14

Response time2 days

Response rate98%

Recommended by100%of homeowners

Serving Hilo, HI and surrounding areas

In business since 2006

Credit card accepted

"Amanda was really very good! At first I was very skeptical, thinking why did I pay money to just speak with someone on the phone about my kitchen remodel project... but after just a few minutes of her addressing some of the issues/questions I emailed to her earlier, I knew it was worth it. It was very clear that she knew her business and she gave me several ideas that I had not even thought about. I told her that I would definitely recommend her to friends and I will very likely use her again myself for my next home project!

"

California Client Saves with HMD Designer Discounts

Recommended by54%of homeowners

Serving Hilo, HI and surrounding areas

In business since 2007

Free estimates

"Holika addressed any concerns we had as they came up to our satisfaction. We were very pleased."

Response time3 days

Recommended by82%of homeowners

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H&M Maintenance Service

New to Angi

Serving Hilo, HI and surrounding areas

In business since 2000

Free estimates

Offers commercial services

Cheap and good quality. I'll bargain hunt for you.

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Omega Construction of Kona, Inc.

New to Angi

Serving Hilo, HI and surrounding areas

In business since 2000

Free estimates

At Omega, we are the total package. We provide a complete features including flexible plans, site preparation, materials, general contracting, outstanding interior options, and project management!

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Crest Constrution Services

New to Angi

Serving Hilo, HI and surrounding areas

Free estimates

Small jobs welcome

Credit card accepted

Crest Construction Services (East Hawai’i) is a leading provider of exceptional home renovation and remodeling solutions. With a commitment to quality craftsmanship and customer satisfaction, we have built a reputation as an award-winning company in the industry. Our team of skilled professionals is dedicated to transforming your living space into the home of your dreams. Trust Crest Construction for all your renovation needs, experience the difference of working with an industry leader.

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Basement Remodel questions, answered by experts

Walkout basements are not generally included in a home’s square footage, although they may be if they meet certain conditions that depend on local regulations. A finished walkout basement used as a living space may be counted toward square footage in some locations as long as all codes for livable space are met.

Permits may be required for major repairs, structural work, or electrical and plumbing restoration after a flood. Check with your local building department to determine permit requirements and associated fees for your flooded basement cleanup project. Obtaining the correct permits helps ensure work is done safely and up to code.

The average cost of remodeling a basement is $30 to $75 per square foot. If your space is unfinished and looks like it may need more help, use the higher number when calculating your estimated basement remodeling costs. A good rule of thumb is to add an additional 20% to the top of your estimate to cover any “what if” situations.

Kitchens and bathrooms are typically the most expensive rooms to renovate. The high cost is due to several factors, including expensive appliances like ranges, hoods, and refrigerators, as well as costly fixtures. The 'bones' of the room, such as electrical and plumbing, are also expensive to move or replace. Because of the vast amount of prep work, finishing, and specialized labor involved in a relatively small footprint, these projects can cost double or more than a living space remodel. Even when trying to renovate on a budget, kitchens and bathrooms will likely carry a hefty price tag.

It is generally more affordable to finish a basement than an attic, though it ultimately depends on how you plan to use the space. The average cost to finish a basement ranges from $7 to $23 per square foot, while attic renovation costs $30 to $60 per square foot. However, a simple attic conversion to a storage space will cost significantly less.

The Hilo, HI homeowners’ guide to basement remodels

From average costs to expert advice, get all the answers you need to get your job done.

See all articles

Rachel Hoffman
•
May 2, 2026May 2, 2026
How Much Does a Basement Remodel Cost? [2026 Data]
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How Much Does It Cost to Frame a Basement? [2026 Data]
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Jul 9, 2026Jul 9, 2026
How Much Does It Cost to Finish a Basement? [2026 Data]
An unfinished basement has a lot of potential for a family room or guest suite. So how much does it cost to finish a basement? Read on for all cost factors.
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•
Apr 10, 2026Apr 10, 2026
Basement Remodel on a Budget: Yes, You Can Do It
Do you have a finished basement? If you want to give it a new lease on life, find out how you can do a basement remodel on a budget.
Melissa Graham
•
May 18, 2026May 18, 2026
5 Questions to Ask About Basement Remodels
These questions for professional contractors can help address your basement remodeling needs, design, and the best time to start the project.
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•
Jul 9, 2026Jul 9, 2026
These 8 Red Flags Will Help You Spot a Bad Basement Remodeler
Hiring a bad basement remodeler can wreak havoc on the look and longevity of your unfinished space. Here are red flags to look for as you vet basement contractors.