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ContractorsRanked

Best General Contractors in Centereach, NY (2026)

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

The short answer

  1. 1

    Best overall in Centereach: Dynoflip Construction, CR Score 63/100; 5.0★ from 160 Google reviews; open 7 days a week.

  2. 2

    Best for emergencies (open 24/7): Kentstruction, posts 24/7 hours; ranked #2 of 876.

  3. 3

    Most-reviewed: Gappsi, Inc., 500 Google reviews at 4.8★, the most of 876 ranked; ranked #3.

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

876 Centereach general contractors are ranked here by CR Score, from ten published factors. 99 are open 24/7, 486 open Saturdays and 192 open Sundays, based on posted hours. The median Google rating is 5.0★ across 876 rated businesses.

Top 10 general contractors in Centereach at a glance

Top 10 general contractors in Centereach at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Dynoflip Construction635.0★ (160)Hauppauge, 6 mi awaySat · SunOverall
2Kentstruction635.0★ (69)Medford, 5 mi away24/7Emergencies
3Gappsi, Inc.624.8★ (500)Smithtown, 8 mi awaySatMost reviews
4David’s Home Improvements615.0★ (21)Centereach24/7—
5SSR Ventures615.0★ (19)Centereach24/7—
6Power Group Construction Inc615.0★ (80)Deer Park, 14 mi away24/7—
7Asphalt D general contracting614.9★ (43)Bayport, 8 mi away24/7—
8SPIRIT CONTRACTING INC.605.0★ (37)Holbrook, 3 mi awaySat · Sun · Evenings—
9New Horizon Homes Inc604.9★ (115)Port Jefferson Station, 6 mi awaySat—
10Wickman Construction604.4★ (25)Selden, 3 mi away24/7—

The 876 best general contractors in Centereach, 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 Centereach

    #1 Dynoflip Construction

    Based in Hauppauge, 6 mi away

    63/100CR Score

    Ranked #1 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
    View profile for Dynoflip Construction(631) 672-5441

  2. #2 Kentstruction

    Based in Medford, 5 mi away

    63/100CR Score

    Ranked #2 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
    View profile for Kentstruction(631) 654-0233

  3. #3 Gappsi, Inc.

    Based in Smithtown, 8 mi away

    62/100CR Score

    Ranked #3 because of its Google rating and review volume: 4.8★ from 500 Google reviews, the most in Centereach.

    • 4.8★ from 500 Google reviews
    Hours
    Mon–Sat 9 AM–4 PM · Sun closed
    Address
    1015 W Jericho Turnpike, Smithtown, NY 11787
    View profile for Gappsi, Inc.(631) 543-1177

  5. #5 SSR Ventures

    Based in Centereach

    61/100CR Score

    Ranked #5 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Construction company”.

    • 5.0★ from 19 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for SSR Ventures(631) 707-3876

  9. #9 New Horizon Homes Inc

    Based in Port Jefferson Station, 6 mi away

    60/100CR Score

    Ranked #9 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
    View profile for New Horizon Homes Inc(516) 224-7041

  11. #11 RC Contracting

    Based in Huntington, 17 mi away

    60/100CR Score

    Ranked #11 because of its Google rating and trade focus: 5.0★ from 65 Google reviews, listed on Google as “General contractor”.

    • 5.0★ from 65 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    183 Railroad St, Huntington, NY 11743
    View profile for RC Contracting(516) 522-9302

  13. #13 Lee Home Improvement

    Based in South Farmingdale, 20 mi away

    60/100CR Score

    Ranked #13 because of its Google rating and trade focus: 5.0★ from 170 Google reviews, listed on Google as “General contractor”.

    • 5.0★ from 170 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    34 Paula Dr, South Farmingdale, NY 11735
    View profile for Lee Home Improvement(516) 984-9862

  21. #21 MPD Carpentry

    Based in Bayport, 8 mi away

    59/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 39 Google reviews, listed on Google as “Contractor”.

    • 5.0★ from 39 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    302 Imperial Way, Bayport, NY 11705
    View profile for MPD Carpentry(631) 356-5523

  22. #22 DJT Development

    Based in Holtsville, 4 mi away

    59/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.5★ from 17 Google reviews, listed on Google as “Construction company”.

    • 4.5★ from 17 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    194 Morris Ave Suite 50, Holtsville, NY 11742
    View profile for DJT Development(631) 627-3673

  25. #25 3D Design & Build

    Based in Port Jefferson Station, 6 mi away

    59/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 63 Google reviews, listed on Google as “Contractor”.

    • 5.0★ from 63 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat 9 AM–1 PM · Sun closed
    Address
    248 NY-25A Suite 49, Setauket- East Setauket, NY 11733
    View profile for 3D Design & Build(833) 332-5354

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

general contractors in Centereach, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Fully Constructed594.8★ (24)10 mi
27House Beautiful Construction595.0★ (23)1 mi
28Chial Construction Corp.595.0★ (19)4 mi
29Fusco Interiors594.9★ (80)1 mi
30JLS Building Corp585.0★ (14)8 mi
31Kingdom Contracting NY585.0★ (34)4 mi
32JB Contractors / Siding, Decks, Gutters, Windows585.0★ (17)4 mi
33Black Mold Removal Long Island584.8★ (23)12 mi
34All Island Home Renovation585.0★ (84)12 mi
35Krashi Contracting Inc585.0★ (15)4 mi
36Unique Design Home Builders585.0★ (136)10 mi
37MIGUEL GOMEZ CONSTRUCTION & HOME IMPROVEMENTS585.0★ (14)10 mi
38Domi construction inc585.0★ (9)6 mi
39Caldara & Sons Contracting, Inc.584.0★ (8)2 mi
40ILLYRIA Construction LLC585.0★ (11)8 mi
41Jordon's general construction llc584.9★ (31)4 mi
42RZZ Home Improvement Corp585.0★ (32)5 mi
43Morning Star Construction585.0★ (15)In Centereach
44VC Legacy Contracting Corp584.8★ (12)8 mi
45MRL Home Improvement585.0★ (50)10 mi
46Ark Remodeling Consultants Inc584.6★ (27)6 mi
47Yes Ma'am Decorative Contracting584.6★ (40)3 mi
48Bonsignore Construction585.0★ (42)8 mi
49TopLine Home Construction585.0★ (24)8 mi
50Dynamic Exteriors LLC584.6★ (22)12 mi

Also serving Centereach

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 Centereach
BusinessGoogle ratingDistance
Absolute Paving & Masonry LI5.0★ (44)In Centereach
Ad Paving & Masonry Long Island4.7★ (18)In Centereach
Advanced Electric Design Consultants, Inc.5.0★ (177)In Centereach
Amark Construction, Inc.5.0★ (18)In Centereach
Andate Construction & Restoration4.9★ (101)In Centereach
Andate Kitchen Bath & Beyond4.9★ (18)In Centereach
BAM Homes5.0★ (26)In Centereach
Champion Flooring & Construction, Inc.5.0★ (65)In Centereach
Concrete Estimating Services5.0★ (18)In Centereach
Corsino Construction Corporation5.0★ (21)In Centereach
GY Construction INC Roofing & Siding5.0★ (45)In Centereach
Harry's Roofing And General Contracting4.9★ (34)In Centereach
Magic Masonry Inc.4.9★ (34)In Centereach
Mazelis Landscape Contracting Corp.4.5★ (32)In Centereach
MJW Construction Inc5.0★ (19)In Centereach
New Island Construction5.0★ (18)In Centereach
Pappy's Ultimate Construction, Drainage & Waterproofing5.0★ (102)In Centereach
Reliant Plumbing4.9★ (74)In Centereach
Spray-Net Suffolk County5.0★ (41)In Centereach
Vecchio Cesspool4.8★ (60)In Centereach

How much do general contractors cost in Centereach?

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 Centereach?
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 Centereach general contractors

We scored 876 Centereach 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 Centereach 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 Centereach: frequently asked questions

Who is the best general contractor in Centereach?

By CR Score, the highest-ranked general contractor in Centereach, NY is Dynoflip Construction with a CR Score of 63/100. It has 5.0★ from 160 Google reviews. It is open 7 days a week. Kentstruction (#2) and Gappsi, Inc. (#3) follow. We ranked 876 general contractors on ten factors, last updated October 22, 2026.

How many general contractors are there in Centereach?

ContractorsRanked ranks 876 general contractors serving Centereach, NY. 4 of them are based in Centereach; 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 Centereach are open 24/7?

99 ranked general contractors in Centereach post 24/7 hours. The highest-ranked are Kentstruction (#2), David’s Home Improvements (#4) and SSR Ventures (#5). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which general contractors in Centereach work on weekends?

486 of 876 ranked general contractors post Saturday hours and 192 post Sunday hours. The highest-ranked open Saturdays are Dynoflip Construction (#1), Kentstruction (#2) and Gappsi, Inc. (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does kitchen remodel cost in Centereach?

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 Centereach general contractors have?

The median Google rating among 876 rated general contractors in Centereach is 5.0★, with a median of 8 reviews. Gappsi, Inc. has the most, 500 reviews, and ranks #3. 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 Centereach count in this ranking?

Yes, if they are within 25 mi of the Centereach 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 Centereach

  1. October 2026: CR Scores recalculated for 876 general contractors serving Centereach.
  2. October 2026: 13 duplicate listings merged.

More general contractors and Centereach pages

Other trades in Centereach