251 deck builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Cos Cob: A&G High Quality Construction, CR Score 62/100; 5.0★ from 135 Google reviews; open 24/7.
Best for emergencies (open 24/7): Decks Unique, Inc., posts 24/7 hours; ranked #2 of 251.
Most-reviewed: Best In Backyards, 405 Google reviews at 5.0★, the most of 251 ranked; ranked #23.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
251 Cos Cob deck builders are ranked here by CR Score, from ten published factors. 41 are open 24/7, 193 open Saturdays and 104 open Sundays, based on posted hours. The median Google rating is 5.0★ across 251 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | A&G High Quality Construction | 62 | 5.0★ (135) | Yonkers, 16 mi away | 24/7 | Overall |
| 2 | Decks Unique, Inc. | 62 | 5.0★ (255) | Commack, 21 mi away | 24/7 | Emergencies |
| 3 | Long Island Decking Inc | 61 | 4.9★ (231) | Long Beach, 19 mi away | 24/7 | — |
| 4 | Blue Star Carpentry dba. DECKSTAR | 59 | 4.9★ (250) | Farmingdale, 24 mi away | Sat · Sun · Evenings | — |
| 5 | MX Remodeling Inc | 57 | 5.0★ (25) | The Bronx, 18 mi away | 24/7 | — |
| 6 | All Island Decks | 57 | 4.8★ (44) | Brentwood, 22 mi away | 24/7 | — |
| 7 | GLC DECKS AND PATIOS | 56 | 4.7★ (14) | Greenburgh, 9 mi away | Sat · Sun · Evenings | — |
| 8 | Decks Unique, Inc. | 56 | 4.9★ (16) | Hicksville, 19 mi away | 24/7 | — |
| 9 | Golden Team Remodeling Group | 56 | 5.0★ (30) | Cliffside Park, 25 mi away | 24/7 | — |
| 10 | Dream Deck Inc | 56 | 5.0★ (94) | Merrick, 24 mi away | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 5.0★ from 135 Google reviews, listed on Google as “Deck builder”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Commack, 21 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 255 Google reviews, listed on Google as “Deck builder”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Long Beach, 19 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 231 Google reviews, listed on Google as “Deck builder”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Farmingdale, 24 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 250 Google reviews, listed on Google as “Deck builder”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in The Bronx, 18 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Deck builder”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brentwood, 22 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 44 Google reviews, listed on Google as “Deck builder”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Greenburgh, 9 mi away
Ranked #7 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “Deck builder”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hicksville, 19 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 16 Google reviews, listed on Google as “Deck builder”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cliffside Park, 25 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Deck builder”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Merrick, 24 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 94 Google reviews, listed on Google as “Deck builder”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Greenlawn, 17 mi away
Ranked #11 because of its Google rating and trade focus: 4.5★ from 46 Google reviews, listed on Google as “Deck builder”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oyster Bay, 12 mi away
Ranked #12 because of its Google rating and review volume: 5.0★ from 192 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manhattan, 19 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 27 Google reviews, listed on Google as “Deck builder”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Farmingdale, 22 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 68 Google reviews, listed on Google as “Deck builder”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brooklyn, 16 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 94 Google reviews, listed on Google as “Fence contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in White Plains, 11 mi away
Ranked #16 because of its Google rating and review volume: 5.0★ from 65 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Huntington Station, 18 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 21 Google reviews, listed on Google as “Deck builder”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mount Vernon, 20 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Deck builder”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bronxville, 14 mi away
Ranked #19 because of its Google rating and review volume: 5.0★ from 78 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Port Chester, 4 mi away
Ranked #20 because of its Google rating and review volume: 4.9★ from 126 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hicksville, 20 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Deck builder”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Greenburgh, 11 mi away
Ranked #22 because of its Google rating and review volume: 5.0★ from 244 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mahopac, 23 mi away
Ranked #23 because of its Google rating and review volume: 5.0★ from 405 Google reviews, the most in Cos Cob.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hicksville, 19 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Home builder”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nanuet, 22 mi away
Ranked #25 because of its Google rating and review volume: 4.9★ from 183 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Typical prices in USD, adjusted for Connecticut with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Deck building | $4,890 | $9,390 | $14,270 | Per deck: typical range of customer-reported projects. US national range × 1.13 New England factor (2025 Cost vs. Value Report) | October 2026 |
We scored 251 Cos Cob 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.
| Factor | Weight | Computed from | In Cos Cob data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |