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  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon21
    Verified basement remodels reviews

Top-Rated Basement remodelers in Corvallis - Updated Nov 2026

Avatar for Ditgen Construction, LLC
Ditgen Construction, LLC
5.0(
8
)
Basement - Remodel

Serving Corvallis, OR and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"The Ditgen crew was great and the work done was amazing! The finished tub and tile work was stunning. The crew showed up on time every day and were polite and respectful. At the end of each day they went out of their way to clean up. They answered every question and seemed so knowledgeable about the work they were doing. I would recommend Ditgen to anyone who is looking for work, no matter the size of the job! You wonâ t be disappointed!"
Response time5 days
3 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Cascade General Contractors LLC
Cascade General Contractors LLC
New to Angi
Basement - Remodel

Serving Corvallis, OR and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

I recently left the union as a journeyman carpenter and superintendent. I built custom homes in my 20’s after graduating from college with a bachelor’s degree in business administration. Before college I worked in all phases of construction from concrete and framing to finish work. I have a well rounded understanding of building and am passionate about what I do and the quality of work I provide. In my personal life I am led by Jesus. I enjoy running several times a week and working out in my home gym. My goals are to provide value to my clients and give back to my community.

JC Siding
Reeser Stadium Loge
Reeser Stadium Loge
Reeser Stadium Loge
The Loge

+6

Avatar for JBLC Construction
JBLC Construction
5.0(
8
)
Basement - Remodel

Serving Corvallis, OR and surrounding areas

In business since 2017

Free estimates

Emergency services offered

"This was a real estate transaction that had urgent deadlines for repairs. Jordan was at the home to evaluate that same day I called him. They were able to come to the home within a couple days to complete the repairs so we could pass the inspection. They did an extremely thorough job, more than what was expected, and everyone involved was happy with their services. I would definitely use them again, and highly recommend this company to anyone needing repairs or remodeled work done!!"
HUB City Albany
Additional Photos
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+20

Response time1 day
Response rate100%
Recommended by100%of homeowners
Avatar for Toro Framing and Remodeling
Toro Framing and Remodeling
4.6(
16
)
Basement - Remodel

Serving Corvallis, OR and surrounding areas

Free estimates

Emergency services offered

Warranties offered

"Toro did an outstanding job! They were easy to work with, transparent, very responsive, and so friendly and polite. I am very pleased with their work. I highly recommend Toro for your next project!"
Extended patio
Concrete Driveways Project
Concrete - Pouring & Repair Project
General Remodeling Project
Concrete Driveways Project

+11

Response time10 hrs
Response rate100%
Recommended by75%of homeowners
Jordan Construction and Renovations, LLC
5.0(
13
)
Basement - Remodel

Serving Corvallis, OR and surrounding areas

In business since 2023

Small jobs welcome

Credit card accepted

"We had a custom made shelf that needed to be installed out our Corporate Office tower. Josh came in, was very professional, and did the installation under 30 minutes. The wall was perfectly flush underneath our large conference room T.V. screen. Very satisfied and would absolutely hire him again 10/10."
Response time3 days
Recommended by100%of homeowners
Avatar for Root Construction and Remodel
Root Construction and Remodel
5.0(
9
)
Basement - Remodel

Serving Corvallis, OR and surrounding areas

Free estimates

Credit card accepted

"We had an Excellent experience with Root! Their guys were honest, and hard working. I felt that the prices were reasonable and I could trust the work was being done right. We will definitely be using them for future needs."
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Recommended by100%of homeowners
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Basement Remodel FAQs, answered by experts

Building up by adding square footage to the top of your home is often less expensive than adding a basement, but it depends on the specifics of your house, your property, and supply costs. Because building a basement requires excavation, it can be a more expensive option than building up.

Whether it’s more affordable to gut a house than build a new one depends on the markets where you'd be buying and selling. However, it’s usually less expensive to renovate a home than to build new construction. 

Most homeowners pay between $100,000 and $200,000 for demolition and remodeling costs, whereas the average cost to build a new home is between $139,000 and $531,300.

If you don’t have a crawl space but have a partial basement you want to make deeper, you can expect to spend a little less—between $40,000 and $90,000 on average. However, if you’re not adding new finished square footage, you won’t see much in the way of ROI.

You should plan on waiting at least a year and ideally two to three years after construction before finishing your basement. This will give the foundation time to settle in response to the weight of your home and the expansion of the surrounding soil. You can then repair your foundation and seal any cracks as needed before finishing it to reduce your risk of future leaks or other issues.

Yes, you can add a bathroom to an unfinished basement, but you’ll want to take proper precautions if doing so. As with any bathroom addition, you’ll need to make sure that it’s approved by local building authorities first. With unfinished basements, you especially need to keep an eye on proper ventilation practices.

The Corvallis, OR homeowners’ guide to basement remodels

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