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Home Additions · Spokane, WA/Updated June 13, 2026

The Best Home Addition Contractors in Spokane, WA

Home additions can transform your living space, but choosing the wrong contractor can lead to costly mistakes. Avoid pitfalls by hiring wisely.

Editorially independent4 companies evaluated
cover story
★ Editor's ChoiceGreystone Home Solutions
96Score
Latest update · June 13, 2026: Initial ranking published. 4 Spokane-metro home additions businesses evaluated, top 4 ranked by Vetted Score.

In Spokane, home additions are a significant investment that can enhance your home’s functionality and value. However, the thin market means that many contractors have fewer than 50 reviews, making it hard to gauge reliability and quality. A poor choice could result in incomplete projects or unexpected costs, so hiring the right contractor is essential.

To create this ranking, we evaluated four local home addition contractors based on their Vetted Scores, customer ratings, and review counts. Our list reflects businesses that have earned trust in a market still forming its reputation, ensuring you have solid choices for your home project.

4home addition contractors evaluated in Spokane
4.95average rating across the field
71customer reviews analyzed

Cityvetted analysis of public Google review data, updated June 13, 2026.

How much does home additions cost in Spokane? See the price breakdown →

Our top picks

At a glance · three categories
★ Editor's Choice
96Score

Greystone Home Solutions

★★★★★5.0(20 reviews)

With a perfect rating of 5 stars from 20 reviews, Greystone Home Solutions is highly praised for its attention to detail and outstanding customer service.

Read full review
Best Value
95Score

Diamond Homes LLC

★★★★★5.0(19 reviews)

Diamond Homes LLC also holds a 5-star rating with 19 reviews, showcasing a commitment to quality at competitive prices.

Read full review
Most Reviewed
94Score

Schaff Homes

★★★★★5.0(15 reviews)

Schaff Homes has earned a solid 5-star rating from 15 reviews, making it a reliable choice for home additions.

Read full review

All 4, compared

Data as of June 13, 2026
BusinessVetted ScoreGoogle ratingReviewsBest for
1
96Score
5.0★★★★★
20Homeowners seeking personalized service and quality craftsmanship
2
95Score
5.0★★★★★
19Budget-conscious homeowners looking for quality home additions
3
Schaff Homes
Schaff Homes
Most Reviewed
94Score
5.0★★★★★
15Homeowners interested in unique and custom designs
4
82Score
4.8★★★★★
17Homeowners seeking a reliable contractor for various construction needs
Methodology

How we evaluated all 4 home addition contractors.

We assessed each contractor's performance by analyzing their customer reviews, ratings, and the number of evaluations received. Our focus was on transparency and real customer experiences, as we believe these factors reflect a contractor's ability to deliver quality work.

None of the businesses paid for placement in this ranking, and we refresh our evaluations monthly to keep the information up-to-date. This approach ensures you can rely on the rankings to make informed decisions about your home addition project.

The Vetted Score: six weighted factors

Customer sentiment25%
Rating quality20%
Review volume & velocity20%
Website trust signals15%
Service breadth10%
Business longevity10%

Sentiment is measured by AI analysis of review text, recency-weighted, with verified-pattern checks to discount suspicious review bursts.

Full reviews

The rankings · in order
1
★ Editor's Choice

Greystone Home Solutions

★★★★★5.0(20 reviews)
96Score

With a perfect rating of 5 stars from 20 reviews, Greystone Home Solutions is highly praised for its attention to detail and outstanding customer service. Reviewers often highlight the team's professionalism and ability to bring ideas to life. However, being a smaller company, they might have limited availability during peak seasons.

Pros

  • Exceptional customer service
  • Detail-oriented craftsmanship
  • Strong reputation

Cons

  • Limited availability during busy times
  • Smaller team may affect project timelines
Best forHomeowners seeking personalized service and quality craftsmanship
Service areaSpokane, WA
Typical pricing$100 to $300 per square foot
2
Best Value

Diamond Homes LLC

★★★★★5.0(19 reviews)
95Score

Diamond Homes LLC also holds a 5-star rating with 19 reviews, showcasing a commitment to quality at competitive prices. Customers appreciate their transparency in pricing and project timelines. However, their review base is slightly smaller, which leaves some uncertainty about their long-term performance. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is budget-conscious homeowners looking for quality home additions. It serves Spokane, WA, with $90 to $250 per square foot pricing, and the honest trade-offs are smaller review base and potential for inconsistent availability.

Pros

  • Transparent pricing
  • Quality workmanship
  • Responsive communication

Cons

  • Smaller review base
  • Potential for inconsistent availability
Best forBudget-conscious homeowners looking for quality home additions
Service areaSpokane, WA
Typical pricing$90 to $250 per square foot
3
Most Reviewed

Schaff Homes

★★★★★5.0(15 reviews)
94Score

Schaff Homes has earned a solid 5-star rating from 15 reviews, making it a reliable choice for home additions. Clients appreciate their thoroughness and innovative designs. Still, the smaller number of reviews may indicate a need for more customer feedback to gauge their overall reliability. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is homeowners interested in unique and custom designs. It serves Spokane, WA, with $120 to $280 per square foot pricing, and the honest trade-offs are fewer reviews may limit trust and potentially higher pricing.

Pros

  • Innovative design solutions
  • Thorough project management
  • Good communication

Cons

  • Fewer reviews may limit trust
  • Potentially higher pricing
Best forHomeowners interested in unique and custom designs
Service areaSpokane, WA
Typical pricing$120 to $280 per square foot
4

Ramey Construction Company

★★★★★4.8(17 reviews)
82Score

Ramey Construction Company holds a strong 4.8-star rating from 17 reviews, reflecting solid performance in home additions. Clients often commend their reliability and workmanship. However, with a slightly lower rating than the top three, there may be occasional inconsistencies in service quality. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is homeowners seeking a reliable contractor for various construction needs. It serves Spokane, WA, with $100 to $250 per square foot pricing, and the honest trade-offs are lower rating than competitors and inconsistencies reported.

Pros

  • Reliable service
  • Good workmanship
  • Variety of services offered

Cons

  • Lower rating than competitors
  • Inconsistencies reported
Best forHomeowners seeking a reliable contractor for various construction needs
Service areaSpokane, WA
Typical pricing$100 to $250 per square foot
Before you book

How to choose a home addition contractor in Spokane

Selecting the right contractor for your home addition is crucial to avoiding delays and budget overruns. Here are key factors to consider:

Check for Experience

Look for contractors with a solid track record in home additions. Experience often translates to better problem-solving skills and quality workmanship.

Review Customer Feedback

Read reviews to gauge past clients' satisfaction. Pay attention to comments on communication, timeliness, and the final outcome of projects.

Get Detailed Estimates

Request detailed quotes from multiple contractors. This helps you compare costs and understand what is included in the price.

What it costs

What home additions cost in Spokane

The cost of home additions in Spokane can vary significantly based on the scope and quality of work. Here are some general pricing tiers:

Small Additions (e.g., extra room or bathroom)$10,000 to $30,000
Medium Additions (e.g., larger living spaces or garage)$30,000 to $60,000
High-End Additions (e.g., custom designs or multi-room expansions)$60,000 to $100,000
Luxury Additions (e.g., high-end finishes and architecture)$100,000 and up

Frequently asked questions

How much does home addition cost in Spokane?

Home addition projects in Spokane typically range from $20,000 to $100,000, depending on the scope and complexity of the work.

What factors should I consider when hiring a home addition contractor?

Consider the contractor's experience, customer reviews, and their portfolio of previous work. It's also beneficial to get multiple quotes.

How often is this ranking updated?

We re-run the full analysis monthly with fresh review data. Last updated June 13, 2026.

Our verdict

For most Spokane homes: <strong>Greystone Home Solutions</strong>

Call Greystone Home Solutions first for your home addition needs. If you prefer a contractor with a slightly larger number of reviews, Diamond Homes LLC is a solid second choice. For a more budget-friendly option, Schaff Homes could be the right fit, especially for smaller projects.