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Best General Contractors in East Alton, IL (2026)

341 general contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in East Alton: STL Mount, CR Score 61/100; 5.0★ from 211 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Demand Remodeling & Restoration LLC, posts 24/7 hours; ranked #2 of 341.

  3. 4

    Most-reviewed: The Container Store, 412 Google reviews at 4.4★, the most of 341 ranked; ranked #4.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

341 East Alton general contractors are ranked here by CR Score, from ten published factors. 14 are open 24/7, 79 open Saturdays and 36 open Sundays, based on posted hours. The median Google rating is 4.6★ across 341 rated businesses.

Top 10 general contractors in East Alton at a glance

Top 10 general contractors in East Alton at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1STL Mount615.0★ (211)Fairview Heights, 21 mi away24/7Overall
2Demand Remodeling & Restoration LLC594.4★ (19)East Alton24/7Emergencies
3Miller Environmental Mitigation LLC584.9★ (52)Glen Carbon, 11 mi awaySat · Sun—
4The Container Store584.4★ (412)St. Louis, 22 mi awaySat · Sun · EveningsMost reviews
5Schultz Contracting574.8★ (70)Florissant, 13 mi awaySat · Evenings—
6Shipley's Helping Hand General Contracting and Landscape575.0★ (21)Hazelwood, 15 mi away24/7—
7Closets by Design - St. Louis564.5★ (293)Maryland Heights, 21 mi awaySat—
8Irish Construction St. Louis564.6★ (226)Bridgeton, 22 mi awaySat—
9Brooks Construction555.0★ (85)Granite City, 11 mi awaySat—
10Berco Construction554.3★ (12)Wood River, 2 mi away——

The 341 best general contractors in East Alton, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

  1. Ranked #1 in East Alton

    Based in Fairview Heights, 21 mi away

    61/100CR Score

    Ranked #1 because of its Google rating and trade focus: 5.0★ from 211 Google reviews, listed on Google as “Contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 211 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  2. Based in St. Louis, 22 mi away

    58/100CR Score

    Ranked #4 because of its Google rating and review volume: 4.4★ from 412 Google reviews, the most in East Alton.

    Based on 8 of 10 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
  3. Based in Florissant, 13 mi away

    57/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.8★ from 70 Google reviews, listed on Google as “General contractor”.

    Based on 8 of 10 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
  4. Based in Maryland Heights, 21 mi away

    56/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.5★ from 293 Google reviews, listed on Google as “General contractor”.

    Based on 8 of 10 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
  5. Based in Granite City, 11 mi away

    55/100CR Score

    Ranked #9 because of its Google rating and review volume: 5.0★ from 85 Google reviews.

    Based on 8 of 10 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
  6. Based in Wood River, 2 mi away

    55/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.3★ from 12 Google reviews, listed on Google as “Construction company”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 4.3★ from 12 Google reviews
    Address
    600 W MacArthur Dr, Cottage Hills, IL 62018
  7. Based in Creve Coeur, 23 mi away

    54/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.6★ from 27 Google reviews, listed on Google as “Contractor”.

    Based on 8 of 10 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
  8. Based in East Alton

    54/100CR Score

    Ranked #12 because of its Google rating and trade focus: 3.8★ from 13 Google reviews, listed on Google as “Construction company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 3.8★ from 13 Google reviews
    Hours
    Mon–Sat 7 AM–7 PM · Sun closed
    Address
    116 W Main St, East Alton, IL 62024
  9. Based in Alton, 2 mi away

    54/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.0★ from 67 Google reviews, listed on Google as “Contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.0★ from 67 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    4 Emmie L, Emma L Kaus Ln, Alton, IL 62002
  10. Based in Wood River, 3 mi away

    54/100CR Score

    Ranked #14 because of its Google rating and trade focus: 3.4★ from 49 Google reviews, listed on Google as “Steel construction company”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 3.4★ from 49 Google reviews
    Address
    1490 E Edwardsville Rd, Wood River, IL 62095
  11. Based in O'Fallon, 20 mi away

    54/100CR Score

    Ranked #15 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Construction company”.

    Based on 8 of 10 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
  12. Based in East Alton

    54/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “Contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.7★ from 15 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
  13. Based in St. Louis, 20 mi away

    54/100CR Score

    Ranked #17 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Construction company”.

    Based on 8 of 10 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
  14. Based in Brentwood, 21 mi away

    54/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.7★ from 29 Google reviews, listed on Google as “Contractor”.

    Based on 8 of 10 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
  15. Based in Highland, 25 mi away

    53/100CR Score

    Ranked #20 because of its Google rating and trade focus: 5.0★ from 102 Google reviews, listed on Google as “Contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 102 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    713 5th St, Highland, IL 62249
  16. Based in St. Louis, 20 mi away

    53/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.4★ from 13 Google reviews, listed on Google as “Contractor”.

    Based on 8 of 10 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
  17. Based in East Saint Louis, 18 mi away

    53/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 54 Google reviews, listed on Google as “Construction company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 54 Google reviews
    Hours
    Mon–Fri 8:30 AM–4:30 PM · Sat–Sun closed

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 341 ranked general contractors here; the rest are on their profiles.

general contractors in East Alton, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26We Can Mo. LLC534.2★ (5)14 mi
27Gregs Roofing & Construction534.8★ (20)22 mi
28Kingdom Builders LLC534.9★ (47)17 mi
29Wilco Service534.9★ (79)23 mi
30Mahoney Asphalt534.5★ (4)2 mi
31Ins & Outs Home Repair, LLC535.0★ (23)10 mi
32Maurer Construction LLC535.0★ (11)12 mi
33Tom Madden and Sons Construction524.9★ (40)17 mi
34Aptitude Design & Build524.9★ (64)22 mi
35Archway Building & Residential Services524.7★ (14)20 mi
36GHR Contracting LLC524.8★ (19)10 mi
37Rosette Forever Homes525.0★ (48)20 mi
38JK Companies524.9★ (10)12 mi
39Built by MJ Holland525.0★ (29)22 mi
40truetolifecustompainting525.0★ (35)17 mi
41Gore Contracting, LLC524.2★ (5)17 mi
42Love Construction524.5★ (14)14 mi
43L Yates & Sons Inc524.0★ (8)8 mi
44Aldi Home Improvement LLC525.0★ (21)21 mi
45Quality Installation524.9★ (55)22 mi
46Tilson Enterprise LLC524.7★ (22)19 mi
47Ango Kernan Rentals & Sales524.0★ (92)19 mi
48YILDIRIMS. LLC525.0★ (7)17 mi
49Mid-Coast Terminal Co524.0★ (14)13 mi
50Phoenix Exteriors525.0★ (3)17 mi

Also serving East 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.

Unranked general contractors serving East Alton
BusinessGoogle ratingDistance
ATR Tree Service5.0★ (5)In East Alton
CASCO HOME IMPROVEMENT LLC5.0★ (1)In East Alton
Conner Services3.0★ (2)In East Alton
Coons Construction5.0★ (5)In East Alton
Edwardsville Fence & Deck Company3.6★ (7)In East Alton
Federal Steel & Erection Co5.0★ (2)In East Alton
Flowers Painting5.0★ (2)In East Alton
Gutter Resurrection4.2★ (5)In East Alton
Huffs Home Remodeling4.6★ (5)In East Alton
J & J Landscaping LLC5.0★ (5)In East Alton
Painting and Moore LLC4.3★ (18)In East Alton
RCS Construction Inc4.4★ (7)In East Alton
Rob's Construction4.8★ (43)In East Alton
Ross Construction5.0★ (1)In East Alton
Ryan Construction & Roofing LLC3.9★ (17)In East Alton
Scorpion Home LLC5.0★ (4)In East Alton
Smith's Tree Service5.0★ (2)In East Alton
TBW CONTRACTING INC4.7★ (56)In East Alton
Warnick Complete Land Management, LLC4.9★ (33)In East Alton
XMARK5.0★ (1)In East Alton

How much do general contractors cost in East Alton?

Typical prices in USD, adjusted for Illinois with a published regional index. Each row names its basis and month.

How much do general contractors cost in East Alton?
JobLowTypicalHighBasisChecked
Kitchen remodel$13,850$25,610$39,490Per 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$16,830Per 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 East Alton general contractors

We scored 341 East Alton 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn East Alton data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

General contractors in East Alton: frequently asked questions

Who is the best general contractor in East Alton?

By CR Score, the highest-ranked general contractor in East Alton, IL is STL Mount with a CR Score of 61/100. It has 5.0★ from 211 Google reviews. It is open 24/7. Demand Remodeling & Restoration LLC (#2) and Miller Environmental Mitigation LLC (#3) follow. We ranked 341 general contractors on ten factors, last updated October 22, 2026.

How many general contractors are there in East Alton?

ContractorsRanked ranks 341 general contractors serving East Alton, IL. 4 of them are based in East Alton; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which general contractors in East Alton are open 24/7?

14 ranked general contractors in East Alton post 24/7 hours. The highest-ranked are STL Mount (#1), Demand Remodeling & Restoration LLC (#2) and Shipley's Helping Hand General Contracting and Landscape (#6). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which general contractors in East Alton work on weekends?

79 of 341 ranked general contractors post Saturday hours and 36 post Sunday hours. The highest-ranked open Saturdays are STL Mount (#1), Demand Remodeling & Restoration LLC (#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 East 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 East Alton general contractors have?

The median Google rating among 341 rated general contractors in East Alton is 4.6★, 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 ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do general contractors outside East Alton count in this ranking?

Yes, if they are within 25 mi of the East 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 East Alton

  1. October 2026: CR Scores recalculated for 341 general contractors serving East Alton.
  2. October 2026: 6 duplicate listings merged.

More general contractors and East Alton pages

Other trades in East Alton