Ranked #1 because of its Google rating and trade focus: 4.8★ from 60 Google reviews, listed on Google as “Contractor”.
- 4.8★ from 60 Google reviews
- Hours
- Mon–Sun 8 AM–5:30 PM
982 general contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Markham: All In One Renovation Services LLC, CR Score 59/100; 4.8★ from 60 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Keeler Construction Group, posts 24/7 hours; ranked #2 of 982.
Most-reviewed: Firemen Sealcoating, 1,528 Google reviews at 4.9★, the most of 982 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
982 Markham general contractors are ranked here by CR Score, from ten published factors. 77 are open 24/7, 432 open Saturdays and 169 open Sundays, based on posted hours. The median Google rating is 4.8★ across 982 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | All In One Renovation Services LLC | 59 | 4.8★ (60) | Bourbonnais, 2 mi away | Sat · Sun | Overall |
| 2 | Keeler Construction Group | 59 | 4.9★ (57) | Blue Island, 4 mi away | 24/7 | Emergencies |
| 3 | Firemen Sealcoating | 59 | 4.9★ (1,528) | Burr Ridge, 16 mi away | — | Most reviews |
| 4 | DanDrey Construction Inc | 59 | 5.0★ (83) | Homer Glen, 10 mi away | Sat · Sun | — |
| 5 | Clean Master Service Chicago Llc. General Contractor | 58 | 5.0★ (86) | Chicago, 13 mi away | Sat · Sun | — |
| 6 | Soundproof My Place | 58 | 5.0★ (31) | Blue Island, 4 mi away | Sat · Sun · Evenings | — |
| 7 | Midwest Radon Services, Inc. | Radon Mitigation Chicago & Elmhurst IL | 58 | 5.0★ (459) | Westchester, 21 mi away | Sat | — |
| 8 | Sealant Specialists LLC | 58 | 5.0★ (187) | Mokena, 13 mi away | Sat | — |
| 9 | Boxed Assemblies | 58 | 5.0★ (21) | Crest Hill, 7 mi away | 24/7 | — |
| 10 | Bath and Kitchen Experts | 58 | 5.0★ (47) | Des Plaines, 15 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.8★ from 60 Google reviews, listed on Google as “Contractor”.
Based in Blue Island, 4 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 57 Google reviews, listed on Google as “General contractor”.
Based in Burr Ridge, 16 mi away
Ranked #3 because of its Google rating and review volume: 4.9★ from 1,528 Google reviews, the most in Markham.
Based in Homer Glen, 10 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 83 Google reviews, listed on Google as “Contractor”.
Based in Chicago, 13 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 86 Google reviews, listed on Google as “Contractor”.
Based in Blue Island, 4 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Construction company”.
Based in Westchester, 21 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 459 Google reviews, listed on Google as “Contractor”.
Based in Mokena, 13 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 187 Google reviews, listed on Google as “Contractor”.
Based in Crest Hill, 7 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Contractor”.
Based in Des Plaines, 15 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 47 Google reviews, listed on Google as “General contractor”.
Based in Midlothian, 3 mi away
Ranked #11 because of its Google rating and trade focus: 4.2★ from 26 Google reviews, listed on Google as “Construction company”.
Based in Tinley Park, 7 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 47 Google reviews, listed on Google as “General contractor”.
Based in Forest Park, 19 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 76 Google reviews, listed on Google as “General contractor”.
Based in South Holland, 5 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “General contractor”.
Based in Homewood, 3 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “General contractor”.
Based in South Holland, 5 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 68 Google reviews, listed on Google as “General contractor”.
Based in Chicago, 22 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 75 Google reviews, listed on Google as “General contractor”.
Based in Chicago, 17 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 100 Google reviews, listed on Google as “General contractor”.
Based in Mokena, 10 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 99 Google reviews, listed on Google as “General contractor”.
Based in Chicago, 22 mi away
Ranked #20 because of its Google rating and trade focus: 4.4★ from 664 Google reviews, listed on Google as “Contractor”.
Based in Montgomery, 9 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Contractor”.
Based in Mokena, 9 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 64 Google reviews, listed on Google as “General contractor”.
Based in Frankfort, 6 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Contractor”.
Based in Orland Park, 8 mi away
Ranked #24 because of its Google rating and trade focus: 4.7★ from 78 Google reviews, listed on Google as “General contractor”.
Based in Orland Park, 11 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 73 Google reviews, listed on Google as “General contractor”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 982 ranked general contractors here; the rest are on their profiles.
20 more general contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Amw expert constructionllc | 5.0★ (2) | 3 mi |
| Blake Residential & Commercial Development Co | In Markham | |
| Castle Construction Corporation | 5.0★ (4) | In Markham |
| Concrete Industries Services Co. Inc. | 4.0★ (2) | In Markham |
| Contractor Can Inc. | 3.0★ (2) | 5 mi |
| entekk | 5.0★ (2) | 4 mi |
| HDM masonry | In Markham | |
| JMC Construction Inc. | 5.0★ (2) | 4 mi |
| John Eby & Sons Inc | 2.0★ (2) | 3 mi |
| JunkGoneFast | 3.0★ (2) | 4 mi |
| Legacy Paving & Construction LLC | 5.0★ (2) | 4 mi |
| M F Construction Contractors Inc | 3.0★ (2) | In Markham |
| mechanical division | 2.5★ (2) | 3 mi |
| Roth Metal Fabricator Corporation | 4.0★ (2) | 5 mi |
| Roth's Custom Remodeling LLC | 5.0★ (2) | 2 mi |
| SAG General Contruction Inc | 5.0★ (2) | 3 mi |
| Standard Wire & Steel Works | 3.5★ (2) | 4 mi |
| Weiss Construction Group | 3.0★ (2) | 3 mi |
| Windsail Restoration llc | 5.0★ (32) | In Markham |
| ZAMBRANO DRYWALL FINISHING INC | In Markham |
Typical prices in USD, adjusted for Illinois with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Kitchen remodel | $13,850 | $25,610 | $39,490 | Per project: typical range of customer-reported remodels (about $75 to $250 per sq ft). US national range × 0.95 East North Central factor (2025 Cost vs. Value Report) | October 2026 |
| Bathroom remodel | $6,340 | $11,580 | $16,830 | Per bathroom: typical range of customer-reported remodels. US national range × 0.95 East North Central factor (2025 Cost vs. Value Report) | October 2026 |
We scored 982 Markham general contractors on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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 Markham data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |