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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon39
    Verified home building services reviews

Top-Rated Home builders in Corvallis - Updated Nov 2026

Avatar for Treasure State Builders, LLC
Treasure State Builders, LLC
5.0(
3
)
Find a Custom Home BuilderShelter or Outbuilding - Build

Serving Corvallis, MT and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"From start to finish, I was exceptionally pleased with the service provided by Treasure State builders. Some understandable supply chain issues related to Covid, but the build team communicated with me throughout. The team of Tom, Chad, Jeff, and Spencer, completed the work in a timely fashion, performed appropriate work site cleanup afterwords, and were a pleasure to deal with. I have other projects pending until spring, and I will definitely hire Treasure State builders again."
Darby Shop
Darby Shop
Darby Shop 2
Resting Brave Project
Resting Brave Project

+123

Response time4 days
3 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Rinehart construction
Rinehart construction
4.3(
8
)
Find a Custom Home Builder

Serving Corvallis, MT and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"We recently completed a major renovation on our home, and I cannot say enough good things about Rinehart Construction! From start to finish the experience was nothing short of exceptional. What really stood out to us was their communication. We were always in the loop and it was much appreciated! The crew was also incredibly respectful of our home!"
Custom Log Home Addition
Custom Log Home Addition
Custom Log Home Addition
Custom Log Home Addition
Custom Log Home Addition

+8

Response time1 day
16 neighbors recently requested a quote
Recommended by28%of homeowners
Avatar for Back Country Crafters LLC
Back Country Crafters LLC
5.0(
2
)
Find a Custom Home Builder

Serving Corvallis, MT and surrounding areas

Approved

In business since 2017

Free estimates

Credit card accepted

"Did a great job! Knowledgeable and able to answer my many questions. Work was completed in a timely manner with the least disruption to our home as possible. Trust them completely."
Response time2 days
4 neighbors recently requested a quote
Avatar for Vuckovich Building Co
Vuckovich Building Co
5.0(
12
)
Find a Custom Home BuilderFind a Modular Home BuilderShelter or Outbuilding - Build

Serving Corvallis, MT and surrounding areas

In business since 2019

Free estimates

Emergency services offered

"We were able to see the remodel of a house from start to finish- he installed new cabinets, counter tops, flooring, trim and floor boards, painted and textured throughout the house. He updated the exterior as well. He is cost conscious and efficient. The end product was beautiful substantiating a significant increase in the home value."
Carlos Drive Full Remodel
Carlos Drive Full Remodel
Carlos Drive Full Remodel
Carlos Drive Full Remodel
Carlos Drive Full Remodel

+35

Recommended by100%of homeowners
Avatar for Cornerstone, Inc.
Cornerstone, Inc.
4.8(
12
)
Find a Custom Home Builder

Serving Corvallis, MT and surrounding areas

In business since 2002

Free estimates

Warranties offered

"This was a new home build done about three years ago. Totally satisfied with the timing and price. I also liked the way that Dennis Duran kept up with follow through, as I did have one minor concern and even though it was out of the warranty period, he came out and resolved the issue."
View of Kitchen
Entire Kitchen
Appliances
Pantry
Guest Bath

+20

Response time4 days
Recommended by100%of homeowners
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Home Building FAQs, answered by experts

While it’s never too early to start planning for a major home improvement project like a home addition, give yourself at least a month or two to plan and design your addition, find a contractor, and get the permits in order. For larger projects like a second-story addition that require designing with an architect, plan on three to four months of preparation.

The early stages of building a house are harder than the later stages; laying the foundation and framing the house are two of the most challenging steps. However, it varies for everyone. Some people have difficulty installing HVAC, plumbing, and electricity, while others find it harder to plan the house and secure the necessary permits. 

How long it takes to build a custom home or rebuild a home after a disaster varies depending on many factors, but averages between seven and 14 months. Smaller homes or homes that don’t need a re-poured foundation may take less time to build than larger homes or homes without an existing foundation. Material availability, contractor schedules, and permit and inspection timelines can all affect how long your house takes to build.

Yes, you can finance new construction, though the process often requires a different type of loan than one for an existing property. There are several financing options available:

  • Construction-to-Permanent Loan: This is a common option where a single loan covers the building costs and then converts into a traditional mortgage once construction is complete and you move in.

  • Construction Loan (Stand-Alone): This type of loan provides funding only for the duration of the construction project. Once the house is built, you will need to pay the loan in full, typically by securing a separate, standard mortgage.

  • Builder Financing: Some custom homebuilders offer their own financing options, which may only require a down payment to begin the building process.

  • Bridge Loan: This can be a useful short-term loan to fund your new construction while you are in the process of selling your old home.

  • Home Equity Options: If you are building a second home, you might be able to use a home equity line of credit (HELOC) or a cash-out refinance on your current property.

It's also important to be aware that some lenders may have restrictions on financing for DIY house builds, so be sure to verify that you can secure financing before starting your project.

Modular homes can go up or down in value depending on a few factors. In areas where real estate is appreciating, the value of modular homes is likely to increase, and vice versa. Additionally, the value of modular homes depends partially on the area. In cities where every other home is stick-built, modular homes might be considered a functional obsolescence, in which case they could be less desirable and go down in value. In either case, though, modular homes can still be a good investment, especially since they provide housing at a lower upfront cost.

The Corvallis, MT homeowners’ guide to home building services

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