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Best General Contractors in Middle Island, NY (2026)

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

The short answer

  1. 1

    Best overall in Middle Island: Kentstruction, CR Score 63/100; 5.0★ from 69 Google reviews; open 24/7.

  2. 3

    Best for emergencies (open 24/7): Fully Constructed, posts 24/7 hours; ranked #3 of 648.

  3. 9

    Most-reviewed: Gappsi, Inc., 500 Google reviews at 4.8★, the most of 648 ranked; ranked #9.

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

648 Middle Island general contractors are ranked here by CR Score, from ten published factors. 75 are open 24/7, 374 open Saturdays and 149 open Sundays, based on posted hours. The median Google rating is 5.0★ across 648 rated businesses.

Most of this list also appears on the General contractors in Coram ranking. See General contractors in Coram

Top 10 general contractors in Middle Island at a glance

Top 10 general contractors in Middle Island at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Kentstruction635.0★ (69)Medford, 6 mi away24/7Overall
2Dynoflip Construction615.0★ (160)Hauppauge, 14 mi awaySat · Sun—
3Fully Constructed614.8★ (24)Elmont, 2 mi away24/7Emergencies
4Top Pro's Construction605.0★ (19)Coram, 2 mi away24/7—
5Ardson Construction Corp605.0★ (22)Forest Hills, 4 mi away24/7—
6New Horizon Homes Inc604.9★ (115)Port Jefferson Station, 6 mi awaySat—
7Divine Will Home Improvement604.9★ (85)Salisbury, 4 mi awaySat—
8Asphalt D general contracting604.9★ (43)Bayport, 12 mi away24/7—
9Gappsi, Inc.604.8★ (500)Smithtown, 17 mi awaySatMost reviews
10Eastern Environmental Solutions, Inc604.6★ (32)Manorville, 7 mi away24/7—

The 648 best general contractors in Middle Island, 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.

  1. Ranked #1 in Middle Island

    Based in Medford, 6 mi away

    63/100CR Score

    Ranked #1 because of its Google rating and trade focus: 5.0★ from 69 Google reviews, listed on Google as “Construction company”.

    • 5.0★ from 69 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    18 Robinson Ave, Medford, NY 11763
  2. Based in Hauppauge, 14 mi away

    61/100CR Score

    Ranked #2 because of its Google rating and trade focus: 5.0★ from 160 Google reviews, listed on Google as “Construction company”.

    • 5.0★ from 160 Google reviews
    Hours
    Mon–Sat 6 AM–6 PM · Sun 6 AM–6:30 PM
    Address
    619 Townline Rd, Hauppauge, NY 11788
  3. Based in Port Jefferson Station, 6 mi away

    60/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.9★ from 115 Google reviews, listed on Google as “General contractor”.

    • 4.9★ from 115 Google reviews
    Hours
    Mon–Sat 7 AM–6 PM · Sun closed
    Address
    1430 Hallock Ave, Port Jefferson Station, NY 11776
  4. Based in Smithtown, 17 mi away

    60/100CR Score

    Ranked #9 because of its Google rating and review volume: 4.8★ from 500 Google reviews, the most in Middle Island.

    • 4.8★ from 500 Google reviews
    Hours
    Mon–Sat 9 AM–4 PM · Sun closed
    Address
    1015 W Jericho Turnpike, Smithtown, NY 11787
  5. Based in Dix Hills, 2 mi away

    59/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.8★ from 24 Google reviews, listed on Google as “Contractor”.

    • 4.8★ from 24 Google reviews
    Hours
    Mon–Fri 7 AM–6 PM · Sat–Sun 8 AM–4 PM
  6. Based in Mastic, 7 mi away

    59/100CR Score

    Ranked #17 because of its Google rating and trade focus: 5.0★ from 64 Google reviews, listed on Google as “Construction company”.

    • 5.0★ from 64 Google reviews
    Hours
    Mon–Sat 7 AM–5 PM · Sun closed
    Address
    31 Hampton Ave, Mastic, NY 11950

How much do general contractors cost in Middle Island?

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

How much do general contractors cost in Middle Island?
JobLowTypicalHighBasisChecked
Kitchen remodel$16,000$29,600$45,640Per project: typical range of customer-reported remodels (about $75 to $250 per sq ft). US national range × 1.10 Middle Atlantic factor (2025 Cost vs. Value Report)October 2026
Bathroom remodel$7,670$14,020$20,380Per bathroom: typical range of customer-reported remodels. US national range × 1.15 Middle Atlantic factor (2025 Cost vs. Value Report)October 2026

How we ranked Middle Island general contractors

We scored 648 Middle Island 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 Middle Island 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 Middle Island: frequently asked questions

Who is the best general contractor in Middle Island?

By CR Score, the highest-ranked general contractor in Middle Island, NY is Kentstruction with a CR Score of 63/100. It has 5.0★ from 69 Google reviews. It is open 24/7. Dynoflip Construction (#2) and Fully Constructed (#3) follow. We ranked 648 general contractors on ten factors, last updated October 22, 2026.

How many general contractors are there in Middle Island?

ContractorsRanked ranks 648 general contractors serving Middle Island, NY. Counts are as of October 2026.

Which general contractors in Middle Island are open 24/7?

75 ranked general contractors in Middle Island post 24/7 hours. The highest-ranked are Kentstruction (#1), Fully Constructed (#3) and Top Pro's Construction (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which general contractors in Middle Island work on weekends?

374 of 648 ranked general contractors post Saturday hours and 149 post Sunday hours. The highest-ranked open Saturdays are Kentstruction (#1), Dynoflip Construction (#2) and Fully Constructed (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does kitchen remodel cost in Middle Island?

Kitchen remodel typically costs $16,000 to $45,640, with $29,600 typical (Per project: typical range of customer-reported remodels (about $75 to $250 per sq ft). US national range × 1.10 Middle Atlantic factor (2025 Cost vs. Value Report)). The range is adjusted for New York. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Middle Island general contractors have?

The median Google rating among 648 rated general contractors in Middle Island is 5.0★, with a median of 8 reviews. Gappsi, Inc. has the most, 500 reviews, and ranks #9. 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 Middle Island count in this ranking?

Yes, if they are within 25 mi of the Middle Island 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 Middle Island

  1. October 2026: CR Scores recalculated for 648 general contractors serving Middle Island.
  2. October 2026: 10 duplicate listings merged.

More general contractors and Middle Island pages

Other trades in Middle Island