#1 Klam Construction
Happy Valley
Portland · Roofing Contractors
5 Best Roofing Contractors in Portland, OR
Updated 11 businesses comparedHow we choose
- Free quotes, no obligation
- Rechecked every month
The top 5 at a glance
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| Business | Rating | Reviews | Years | License | Best for |
|---|---|---|---|---|---|
| Klam Construction | 4.8 | 28 | – | Not checked yet | – |
| Ultimate Roofing LLC | 5.0 | 16 | – | Not checked yet | – |
| KVN Construction | 4.8 | 168 | – | Not checked yet | Best overall |
| Mountaintop Metal Roofing | 5.0 | 38 | – | Not checked yet | – |
| Wilderland Roof and Window Cleaning | 4.8 | 76 | – | Not checked yet | Most reviewed |
The 5 best roofing contractors in Portland, in detail
#2 Ultimate Roofing LLC
Happy Valley
- Operating status checked
Also in the Best 5
More roofing contractors in Portland
The other Portland businesses we compared for this list. Ratings and review counts are from public review platforms.
- Northwest Roof Tech4.8 ★ · 72
- Interlock Metal Roofing - Oregon4.8 ★ · 35
- Gutter Empire LLC4.9 ★ · 24
- C C & L Roofing Co4.7 ★ · 38
- EvoSiding5.0 ★ · 16
- Sawtooth Roofing Company4.6 ★ · 38
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Portland facts from public records
- 4,758People per square mileCalculated from U.S. Census Bureau 2025 estimates and Gazetteer land area · 2025
- 133.5 sq miLand areaU.S. Census Bureau, 2025 Gazetteer files · 2025
- 635,109Portland residentsU.S. Census Bureau, Vintage 2025 population estimates (sub-est2025) · July 1, 2025
- -2.7%Population change since 2020 (from 652,466 (April 2020 base))U.S. Census Bureau, Vintage 2025 population estimates (sub-est2025) · 2020–2025
How we pick the Best 5
Find every option
All 11 we could find in Portland.
Check the basics
Open, reachable and enough real reviews.
Score the record
Rating, reviews, recency, years and record checks.
Explain each pick
A plain reason for every place on the list.
Roofing Contractors in Portland: questions answered
How is the top 5 ranking of roofing contractors in Portland calculated?
Each business gets a score from its rating, review volume, recent reviews, years in business, profile completeness and record checks. The highest scores make the list. We compared 11 roofing contractors for Portland.
Which of these roofing contractors in Portland has the best reviews?
Mountaintop Metal Roofing has a 5.0 rating from 38 public reviews, the highest on this page.
Which of these roofing contractors has the most reviews?
KVN Construction, with 168 public reviews. A long review history shows how a business handles many jobs.
Are these roofing contractors licensed?
5 of the 5 businesses here had their state license checked against public records. Each profile shows the source and the date of the check.
How many quotes should I get for roofing contractors in Portland?
Get at least three. Use the quote form on this page: only the businesses you tick receive your request.
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