89/100CR Score
Ranked #1 because of its Google rating and availability: 5.0★ from 211 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 211 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Best General Contractors in Upper Alton, IL (2026)
321 general contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Upper Alton: STL Mount, CR Score 89/100; 5.0★ from 211 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Shipley's Helping Hand General Contracting and Landscape, posts 24/7 hours; ranked #2 of 321.
- 4
Most-reviewed: The Container Store, 412 Google reviews at 4.4★, the most of 321 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
321 Upper Alton general contractors are ranked here by CR Score, from 8 published factors. 15 are open 24/7, 74 open Saturdays and 36 open Sundays, based on posted hours. The median Google rating is 4.7★ across 321 rated businesses.
Top 10 general contractors in Upper Alton at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | STL Mount | 89 | 5.0★ (211) | Fairview Heights, 21 mi away | 24/7 | Overall |
| 2 | Shipley's Helping Hand General Contracting and Landscape | 84 | 5.0★ (21) | Hazelwood, 14 mi away | 24/7 | Emergencies |
| 3 | Miller Environmental Mitigation LLC | 83 | 4.9★ (52) | Glen Carbon, 14 mi away | Sat · Sun | — |
| 4 | The Container Store | 83 | 4.4★ (412) | St. Louis, 22 mi away | Sat · Sun · Evenings | Most reviews |
| 5 | Pat Gallagher Enterprises | 81 | 4.6★ (27) | Creve Coeur, 23 mi away | 24/7 | — |
| 6 | Schultz Contracting | 80 | 4.8★ (70) | Florissant, 12 mi away | Sat · Evenings | — |
| 7 | Bio Clean 911 of St. Louis | 80 | 4.9★ (15) | Ballwin, 24 mi away | 24/7 | — |
| 8 | Welby Outdoor | 79 | 4.4★ (13) | St. Louis, 20 mi away | 24/7 | — |
| 9 | Closets by Design - St. Louis | 79 | 4.5★ (293) | Maryland Heights, 21 mi away | Sat | — |
| 10 | Irish Construction St. Louis | 79 | 4.6★ (226) | Bridgeton, 22 mi away | Sat | — |
The 321 best general contractors in Upper Alton, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Based in Hazelwood, 14 mi away
84/100CR ScoreRanked #2 because of its Google rating and availability: 5.0★ from 21 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 21 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7807 Guhman Ct, Hazelwood, MO 63042
Based in Glen Carbon, 14 mi away
83/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 52 Google reviews, listed on Google as “Contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 52 Google reviews
- Hours
- Mon–Sun 8 AM–6 PM
- Address
- 3733 IL-159 #418, Glen Carbon, IL 62034
Based in St. Louis, 22 mi away
83/100CR ScoreRanked #4 because of its Google rating and review volume: 4.4★ from 412 Google reviews, the most Google reviews on this list (412).
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.4★ from 412 Google reviews
- Hours
- Mon–Sat 10 AM–7 PM · Sun 11 AM–6 PM
- Address
- 1769 S Brentwood Blvd, St. Louis, MO 63144
Based in Creve Coeur, 23 mi away
81/100CR ScoreRanked #5 because of its Google rating and availability: 4.6★ from 27 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.6★ from 27 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 11500 Olive Blvd # 220, Creve Coeur, MO 63141
Based in Florissant, 12 mi away
80/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 70 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.8★ from 70 Google reviews
- Hours
- Mon–Sat 9 AM–8 PM · Sun closed
- Address
- 785 Redwing Dr, Florissant, MO 63031
Based in Ballwin, 24 mi away
80/100CR ScoreRanked #7 because of its Google rating and availability: 4.9★ from 15 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 15 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in St. Louis, 20 mi away
79/100CR ScoreRanked #8 because of its Google rating and availability: 4.4★ from 13 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.4★ from 13 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9649 Dielman Rock Island Industrial Dr, St. Louis, MO 63132
Based in Maryland Heights, 21 mi away
79/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.5★ from 293 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.5★ from 293 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 10 AM–2 PM · Sun closed
- Address
- 149 Weldon Pkwy Suite 122, Maryland Heights, MO 63043
Based in Bridgeton, 22 mi away
79/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.6★ from 226 Google reviews, listed on Google as “Construction company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.6★ from 226 Google reviews
- Hours
- Mon–Sat 9 AM–5 PM · Sun closed
Based in East Saint Louis, 13 mi away
79/100CR ScoreRanked #11 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 3 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Brentwood, 21 mi away
78/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.7★ from 29 Google reviews, listed on Google as “Contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.7★ from 29 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat–Sun 10 AM–4 PM
Based in St. Louis, 22 mi away
78/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Construction company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 22 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
- Address
- 2930 Michigan Ave, St. Louis, MO 63118
Based in East Alton, 23 mi away
78/100CR ScoreRanked #14 because of its Google rating and availability: 4.4★ from 19 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.4★ from 19 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Eureka, 19 mi away
78/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 25 Google reviews, listed on Google as “Construction company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
- 4.8★ from 25 Google reviews
#16 We Can Mo. LLC
Based in Florissant, 13 mi away
78/100CR ScoreRanked #16 because of its Google rating and availability: 4.2★ from 5 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.2★ from 5 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 901 Loekes Dr, Florissant, MO 63031
Based in Saint Charles, 20 mi away
78/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.8★ from 20 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.8★ from 20 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2812 Headland Dr, St Charles, MO 63301
Based in Granite City, 13 mi away
78/100CR ScoreRanked #18 because of its Google rating and review volume: 5.0★ from 85 Google reviews, 85 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 85 Google reviews
- Hours
- Mon–Sat 8 AM–6 PM · Sun closed
- Address
- 3333 Preston Dr, Granite City, IL 62040
Based in O'Fallon, 23 mi away
78/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Construction company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 25 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat 10 AM–4 PM · Sun 12 PM–4 PM
- Address
- 216 Luca James Point, O'Fallon, IL 62269
Based in East Saint Louis, 12 mi away
78/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Construction company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
- 5.0★ from 11 Google reviews
Based in Wood River, 4 mi away
78/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.3★ from 12 Google reviews, listed on Google as “Construction company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
- 4.3★ from 12 Google reviews
- Address
- 600 W MacArthur Dr, Cottage Hills, IL 62018
Based in Berkeley, 19 mi away
77/100CR ScoreRanked #22 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 3 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Wood River, 6 mi away
77/100CR ScoreRanked #23 because of its Google rating and trade focus: 3.4★ from 49 Google reviews, listed on Google as “Steel construction company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
- 3.4★ from 49 Google reviews
- Address
- 1490 E Edwardsville Rd, Wood River, IL 62095
#24 JK Companies
Based in Edwardsville, 15 mi away
76/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 10 Google reviews, listed on Google as “Construction company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
- 4.9★ from 10 Google reviews
- Address
- 7110 Lost Oak Dr, Edwardsville, IL 62025
Based in East Saint Louis, 19 mi away
76/100CR ScoreRanked #25 because of its Google rating and availability: 4.2★ from 5 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.2★ from 5 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
General contractors ranked #26 to #50
#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 321 ranked general contractors here; the rest are on their profiles.
Also serving Upper Alton
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 |
|---|---|---|
| Accurate Outdoor Solutions | 5.0★ (2) | 14 mi |
| Ah Jay Solutions | 5.0★ (2) | 15 mi |
| Alliance Certified | 5.0★ (2) | 15 mi |
| Ariana's RRR Property Services | 5.0★ (2) | 16 mi |
| AVA Construction Llc | 1.0★ (2) | 13 mi |
| C Complete Construction LLC | 5.0★ (2) | 10 mi |
| CCI | 5.0★ (2) | 7 mi |
| Contracting & MORE LLC | 5.0★ (2) | 15 mi |
| Cowin Construction, LLC | 5.0★ (2) | 6 mi |
| Espowe Construction & Property Management | 3.0★ (2) | 14 mi |
| Federal Steel & Erection Co | 5.0★ (2) | 4 mi |
| Geisen Construction | 5.0★ (2) | 1 mi |
| J Wilkinson Construction Inc | 4.0★ (2) | 15 mi |
| McCoy Home Improvement | 5.0★ (2) | 11 mi |
| Midwest Construction & Development, Llc | 5.0★ (2) | 15 mi |
| Mo’s construction & home design | 1.0★ (2) | 13 mi |
| P.K. Property Rehab LLC | 5.0★ (2) | 13 mi |
| Quickdraw Construction Disbursing | 5.0★ (2) | 2 mi |
| Randy Leitner Building & Rmdln | 5.0★ (2) | 14 mi |
| Sal's SR22 Insurance | 1.0★ (2) | 11 mi |
How much do general contractors cost in Upper Alton?
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 |
How we ranked Upper Alton general contractors
We scored 321 Upper Alton general 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 Upper Alton 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 |
General contractors in Upper Alton: frequently asked questions
Who is the best general contractor in Upper Alton?
By CR Score, the highest-ranked general contractor in Upper Alton, IL is STL Mount with a CR Score of 89/100. It has 5.0★ from 211 Google reviews. It is open 24/7. Shipley's Helping Hand General Contracting and Landscape (#2) and Miller Environmental Mitigation LLC (#3) follow. We ranked 321 general contractors on 8 factors, last updated October 22, 2026.
How many general contractors are there in Upper Alton?
ContractorsRanked ranks 321 general contractors serving Upper Alton, IL. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which general contractors in Upper Alton are open 24/7?
15 ranked general contractors in Upper Alton post 24/7 hours. The highest-ranked are STL Mount (#1), Shipley's Helping Hand General Contracting and Landscape (#2) and Pat Gallagher Enterprises (#5). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which general contractors in Upper Alton work on weekends?
74 of 321 ranked general contractors post Saturday hours and 36 post Sunday hours. The highest-ranked open Saturdays are STL Mount (#1), Shipley's Helping Hand General Contracting and Landscape (#2) and Miller Environmental Mitigation LLC (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does kitchen remodel cost in Upper Alton?
Kitchen remodel typically costs $13,850 to $39,490, with $25,610 typical (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)). The range is adjusted for Illinois. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Upper Alton general contractors have?
The median Google rating among 321 rated general contractors in Upper Alton is 4.7★, with a median of 8 reviews. The Container Store has the most, 412 reviews, and ranks #4. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank general contractors?
Each general contractor gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do general contractors outside Upper Alton count in this ranking?
Yes, if they are within 25 mi of the Upper Alton city center, our service radius for general contractors. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for Upper Alton
- October 2026: CR Scores recalculated for 321 general contractors serving Upper Alton.
- October 2026: 4 duplicate listings merged.
More general contractors and Upper Alton pages
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Other trades in Upper Alton
- Roofers in Upper Alton646 ranked
- Plumbers in Upper Alton212 ranked
- Electricians in Upper Alton133 ranked
- HVAC contractors in Upper Alton281 ranked
- Painters in Upper Alton43 ranked
- Landscapers in Upper Alton57 ranked
- Handymen in Upper Alton26 ranked
- Kitchen remodelers in Upper Alton153 ranked
- Bathroom remodelers in Upper Alton156 ranked
- Flooring contractors in Upper Alton123 ranked
- Tile installers in Upper Alton9 ranked
- Concrete contractors in Upper Alton110 ranked
- Fence contractors in Upper Alton69 ranked
- Deck builders in Upper Alton87 ranked
- Siding contractors in Upper Alton275 ranked
- Window installers in Upper Alton186 ranked
- Gutter installers in Upper Alton108 ranked
- Insulation contractors in Upper Alton31 ranked
- Solar installers in Upper Alton58 ranked
- Garage door repair companies in Upper Alton60 ranked
- Foundation repair companies in Upper Alton71 ranked
- Tree services in Upper Alton158 ranked
- Masonry contractors in Upper Alton90 ranked
- Water damage restoration companies in Upper Alton230 ranked
- Home builders in Upper Alton218 ranked
- Demolition contractors in Upper Alton29 ranked
- All contractors in Upper Alton