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Best Deck Builders in Mascoutah, IL (2026)

33 deck builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Mascoutah: Casey Construction and Contracting, CR Score 58/100; 4.9★ from 85 Google reviews; open 24/7.

  2. 6

    Best for emergencies (open 24/7): St Louis Deck Builders, posts 24/7 hours; ranked #6 of 33.

  3. 8

    Most-reviewed: Mr. Handyman of Metro East, 452 Google reviews at 4.7★, the most of 33 ranked; ranked #8.

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

33 Mascoutah deck builders are ranked here by CR Score, from ten published factors. 3 are open 24/7, 16 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.9★ across 33 rated businesses.

Most of this list also appears on the Deck builders in Swansea ranking. See Deck builders in Swansea

Top 10 deck builders in Mascoutah at a glance

Top 10 deck builders in Mascoutah at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Casey Construction and Contracting584.9★ (85)Mascoutah24/7Overall
2Belleville Deck Co. - Deck Repair and Installation575.0★ (48)Belleville, 12 mi awaySat—
3Top Deck565.0★ (22)Belleville, 10 mi awaySat—
4Chesley Fence and Deck554.6★ (374)Fairview Heights, 15 mi awaySat—
5Hero Handyman Pro544.9★ (238)East Saint Louis, 18 mi awaySat · Sun—
6St Louis Deck Builders525.0★ (3)St. Louis, 23 mi away24/7Emergencies
7Hero Handyman Pro524.9★ (137)East Saint Louis, 11 mi away——
8Mr. Handyman of Metro East514.7★ (452)Collinsville, 17 mi away—Most reviews
9Ahlers Installers515.0★ (30)Belleville, 8 mi awaySat · Evenings—
10Home Run Fence & Deck514.8★ (16)O'Fallon, 12 mi awaySat · Evenings—

The 33 best deck builders in Mascoutah, ranked

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.

  3. #3 Top Deck

    Based in Belleville, 10 mi away

    56/100CR Score

    Ranked #3 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Deck builder”.

    • 5.0★ from 22 Google reviews
    Hours
    Mon–Sat 8 AM–6 PM · Sun closed
    Address
    314 N High St, Belleville, IL 62220
    View profile for Top Deck(618) 977-3001

  9. #9 Ahlers Installers

    Based in Belleville, 8 mi away

    51/100CR Score

    Ranked #9 because of its Google rating and review volume: 5.0★ from 30 Google reviews.

    • 5.0★ from 30 Google reviews
    Hours
    Mon–Fri 8 AM–7 PM · Sat 8 AM–5 PM · Sun closed
    Address
    107 S State St Apt A, Freeburg, IL 62243
    View profile for Ahlers Installers(618) 328-6559

  11. #11 Fence & Deck Depot

    Based in O'Fallon, 11 mi away

    51/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.8★ from 36 Google reviews, listed on Google as “Fence contractor”.

    • 4.8★ from 36 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    1202 Paragon Dr, O'Fallon, IL 62269
    View profile for Fence & Deck Depot(618) 235-1190

  17. #17 Loughman Builder

    Based in East Saint Louis, 10 mi away

    48/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.5★ from 17 Google reviews, listed on Google as “General contractor”.

    • 4.5★ from 17 Google reviews
    Hours
    Mon 9 AM–5 PM · Tue–Fri 9 AM–4 PM · Sat 10 AM–1:30 PM · Sun closed
    View profile for Loughman Builder(618) 741-9200

  22. #22 R & R Exteriors

    Based in Belleville, 10 mi away

    46/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Roofing contractor”.

    • 4.2★ from 5 Google reviews
    Hours
    Mon–Sat 6 AM–6 PM · Sun closed
    Address
    33 Grand Ave, Belleville, IL 62220
    View profile for R & R Exteriors(618) 910-1617

How much do deck builders cost in Mascoutah?

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

How much do deck builders cost in Mascoutah?
JobLowTypicalHighBasisChecked
Deck building$4,300$8,240$12,530Per deck: typical range of customer-reported projects. US national range × 0.99 East North Central factor (2025 Cost vs. Value Report)October 2026

How we ranked Mascoutah deck builders

We scored 33 Mascoutah deck builders 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 Mascoutah 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

Deck builders in Mascoutah: frequently asked questions

Who is the best deck builder in Mascoutah?

By CR Score, the highest-ranked deck builder in Mascoutah, IL is Casey Construction and Contracting with a CR Score of 58/100. It has 4.9★ from 85 Google reviews. It is open 24/7. Belleville Deck Co. - Deck Repair and Installation (#2) and Top Deck (#3) follow. We ranked 33 deck builders on ten factors, last updated October 22, 2026.

How many deck builders are there in Mascoutah?

ContractorsRanked ranks 33 deck builders serving Mascoutah, IL. 1 of them is based in Mascoutah; the rest serve it from nearby towns. Counts are as of October 2026.

Which deck builders in Mascoutah are open 24/7?

3 ranked deck builders in Mascoutah post 24/7 hours. The highest-ranked are Casey Construction and Contracting (#1), St Louis Deck Builders (#6) and D & S Scurry Construction (#12). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which deck builders in Mascoutah work on weekends?

16 of 33 ranked deck builders post Saturday hours and 4 post Sunday hours. The highest-ranked open Saturdays are Casey Construction and Contracting (#1), Belleville Deck Co. - Deck Repair and Installation (#2) and Top Deck (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does deck building cost in Mascoutah?

Deck building typically costs $4,300 to $12,530, with $8,240 typical (Per deck: typical range of customer-reported projects. US national range × 0.99 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 Mascoutah deck builders have?

The median Google rating among 33 rated deck builders in Mascoutah is 4.9★, with a median of 21 reviews. Mr. Handyman of Metro East has the most, 452 reviews, and ranks #8. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank deck builders?

Each deck builder 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 deck builders outside Mascoutah count in this ranking?

Yes, if they are within 25 mi of the Mascoutah city center, our service radius for deck builders. 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 Mascoutah

  1. October 2026: CR Scores recalculated for 33 deck builders serving Mascoutah.

More deck builders and Mascoutah pages

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