62 siding contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Irmo: Premiere Roofing, CR Score 89/100; 4.9★ from 771 Google reviews; open 24/7.
Best for emergencies (open 24/7): Crosby Roofing and Gutters, posts 24/7 hours; ranked #2 of 62.
Most-reviewed: Crosby Roofing and Gutters, 1,096 Google reviews at 4.9★, the most of 62 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
62 Irmo siding contractors are ranked here by CR Score, from 8 published factors. 14 are open 24/7, 31 open Saturdays and 18 open Sundays, based on posted hours. The median Google rating is 4.9★ across 62 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Premiere Roofing | 89 | 4.9★ (771) | Irmo | 24/7 | Overall |
| 2 | Crosby Roofing and Gutters | 88 | 4.9★ (1,096) | Lexington, 8 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Indigo State Roofing | 86 | 4.9★ (131) | Irmo | 24/7 | — |
| 4 | Southern Industries Home Improvements | 85 | 4.6★ (562) | Columbia, 3 mi away | 24/7 | — |
| 5 | Roof and Restoration Experts | 85 | 5.0★ (108) | Fort Mill, 5 mi away | 24/7 | — |
| 6 | Vista Roofing, Inc. | 84 | 4.9★ (640) | West Columbia, 8 mi away | 24/7 | — |
| 7 | CMS Roofing | 83 | 4.8★ (309) | Irmo | Sat · Sun | — |
| 8 | Cass Handyman Services | 83 | 4.7★ (15) | Cayce, 6 mi away | Sat · Sun | — |
| 9 | Armour Roofing | 83 | 4.9★ (349) | Columbia, 10 mi away | Sat · Sun | — |
| 10 | Midlands Carolina Exteriors | 82 | 3.9★ (14) | Irmo | — | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and availability: 4.9★ from 771 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lexington, 8 mi away
Ranked #2 because of its Google rating and review volume: 4.9★ from 1,096 Google reviews, the most Google reviews on this list (1,096).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Irmo
Ranked #3 because of its Google rating and availability: 4.9★ from 131 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 3 mi away
Ranked #4 because of its Google rating and availability: 4.6★ from 562 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fort Mill, 5 mi away
Ranked #5 because of its Google rating and availability: 5.0★ from 108 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in West Columbia, 8 mi away
Ranked #6 because of its Google rating and review volume: 4.9★ from 640 Google reviews, 640 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Irmo
Ranked #7 because of its Google rating and review volume: 4.8★ from 309 Google reviews, 309 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Cayce, 6 mi away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “Siding contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 10 mi away
Ranked #9 because of its Google rating and review volume: 4.9★ from 349 Google reviews, 349 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Irmo
Ranked #10 because of its Google rating and trade focus: 3.9★ from 14 Google reviews, listed on Google as “Siding contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Cayce, 36 mi away
Ranked #11 because of its Google rating and availability: 4.6★ from 11 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Irmo
Ranked #12 because of its Google rating and trade focus: 4.8★ from 160 Google reviews, listed on Google as “Siding contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 21 mi away
Ranked #13 because of its Google rating and availability: 4.9★ from 49 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 2 mi away
Ranked #14 because of its Google rating and availability: 4.9★ from 35 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in West Columbia, 6 mi away
Ranked #15 because of its Google rating and review volume: 4.8★ from 361 Google reviews, 361 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Goose Creek, 36 mi away
Ranked #16 because of its Google rating and availability: 4.9★ from 100 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in West Columbia, 6 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Siding contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 10 mi away
Ranked #18 because of its Google rating and review volume: 5.0★ from 176 Google reviews, 176 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 10 mi away
Ranked #19 because of its Google rating and availability: 4.9★ from 8 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 8 mi away
Ranked #20 because of its Google rating and availability: 4.8★ from 36 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in West Columbia, 9 mi away
Ranked #21 because of its Google rating and availability: 4.4★ from 21 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Cayce, 9 mi away
Ranked #22 because of its Google rating and availability: 5.0★ from 5 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Cayce, 11 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Siding contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Irmo
Ranked #24 because of its Google rating and review volume: 4.8★ from 320 Google reviews, 320 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in West Columbia, 8 mi away
Ranked #25 because of its Google rating and review volume: 4.9★ from 313 Google reviews, 313 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Typical prices in USD, adjusted for South Carolina with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Siding replacement | $5,110 | $10,650 | $16,290 | Per house: typical range of customer-reported projects. US national range × 0.92 South Atlantic factor (2025 Cost vs. Value Report) | October 2026 |
We scored 62 Irmo siding contractors on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Irmo data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |