64/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 113 Google reviews, listed on Google as “Deck builder”.
- 5.0★ from 113 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Best Deck Builders in Mountainside, NJ (2026)
410 deck builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Mountainside: Glen Construction LLC, CR Score 64/100; 5.0★ from 113 Google reviews; open 24/7.
- 5
Best for emergencies (open 24/7): Magnolia Home Remodeling Group, posts 24/7 hours; ranked #5 of 410.
- 37
Most-reviewed: Monk's Home Improvements, 640 Google reviews at 4.8★, the most of 410 ranked; ranked #37.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
410 Mountainside deck builders are ranked here by CR Score, from ten published factors. 86 are open 24/7, 331 open Saturdays and 175 open Sundays, based on posted hours. The median Google rating is 5.0★ across 410 rated businesses.
Top 10 deck builders in Mountainside at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Glen Construction LLC | 64 | 5.0★ (113) | Emerson, 4 mi away | 24/7 | Overall |
| 2 | Deck Express | 62 | 5.0★ (171) | Watchung, 5 mi away | Sat | — |
| 3 | Decks by Ziec | 61 | 5.0★ (197) | Woodbridge, 9 mi away | Sat · Evenings | — |
| 4 | Deck Guardian | 60 | 4.8★ (444) | Somerset, 14 mi away | Sat | — |
| 5 | Magnolia Home Remodeling Group | 60 | 4.9★ (429) | Union, 6 mi away | 24/7 | Emergencies |
| 6 | Payless Deck Repair and Deck Rebuild | 60 | 5.0★ (34) | Roselle, 6 mi away | Sat · Sun · Evenings | — |
| 7 | Deck Master Home Improvement | 59 | 4.8★ (208) | Staten Island, 12 mi away | Sun · Evenings | — |
| 8 | Leska Construction LLC | 59 | 5.0★ (66) | Hasbrouck Heights, 20 mi away | 24/7 | — |
| 9 | A Plus Deck Repair & Installations | 58 | 5.0★ (43) | Garfield, 19 mi away | 24/7 | — |
| 10 | Sunset Decks & Patios | 58 | 4.9★ (48) | East Hanover, 6 mi away | Sat | — |
The 410 best deck builders in Mountainside, 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.
#2 Deck Express
Based in Watchung, 5 mi away
62/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 171 Google reviews, listed on Google as “Deck builder”.
- 5.0★ from 171 Google reviews
- Hours
- Mon–Sat 8 AM–5 PM · Sun closed
- Address
- 115 Edgemont Rd, Watchung, NJ 07069
Based in Woodbridge, 9 mi away
61/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 197 Google reviews, listed on Google as “Deck builder”.
- 5.0★ from 197 Google reviews
- Hours
- Mon–Fri 8 AM–7 PM · Sat 8 AM–5 PM · Sun closed
- Address
- 88 Wedgewood Ave, Woodbridge, NJ 07095
Based in Somerset, 14 mi away
60/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 444 Google reviews, listed on Google as “Deck builder”.
- 4.8★ from 444 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat 9 AM–2 PM · Sun closed
- Address
- 376 458 Elizabeth Ave, Somerset, NJ 08873
Based in Union, 6 mi away
60/100CR ScoreRanked #5 because of its Google rating and review volume: 4.9★ from 429 Google reviews.
- 4.9★ from 429 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1640 Vauxhall Rd, Union, NJ 07083
Based in Roselle, 6 mi away
60/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Deck builder”.
- 5.0★ from 34 Google reviews
- Hours
- Mon–Sun 6 AM–11 PM
- Address
- 121 Linden Rd Apartment 1, Roselle, NJ 07203
Based in Staten Island, 12 mi away
59/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 208 Google reviews, listed on Google as “Deck builder”.
- 4.8★ from 208 Google reviews
- Hours
- Mon–Thu 8 AM–9 PM · Fri 8 AM–5 PM · Sat closed · Sun 8 AM–9 PM
- Address
- 81 Halpin Ave, Staten Island, NY 10312
Based in Hasbrouck Heights, 20 mi away
59/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 66 Google reviews, listed on Google as “Deck builder”.
- 5.0★ from 66 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 184 Boulevard, Hasbrouck Heights, NJ 07604
Based in Garfield, 19 mi away
58/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Deck builder”.
- 5.0★ from 43 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 20 Morris Ave unit 1, Garfield, NJ 07026
Based in East Hanover, 6 mi away
58/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “Deck builder”.
- 4.9★ from 48 Google reviews
- Hours
- Mon–Sat 8 AM–5:30 PM · Sun closed
Based in Elizabeth, 9 mi away
58/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 25 Google reviews, listed on Google as “Deck builder”.
- 4.9★ from 25 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
#12 Deck Guardian
Based in Parsippany, 13 mi away
58/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 83 Google reviews, listed on Google as “Deck builder”.
- 5.0★ from 83 Google reviews
- Hours
- Mon–Fri 9 AM–6 PM · Sat 9 AM–3 PM · Sun closed
- Address
- 8 Campus Dr Suite 105 #3036, Parsippany, NJ 07054
#13 Modern Decks LLC
Based in Totowa, 19 mi away
58/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Deck builder”.
- 5.0★ from 31 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 100 Shepherds Ln Apt 309, Totowa, NJ 07512
Based in East Brunswick, 17 mi away
58/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 29 Google reviews, listed on Google as “Deck builder”.
- 4.9★ from 29 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Bridgewater, 9 mi away
58/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Deck builder”.
- 5.0★ from 41 Google reviews
- Hours
- Mon–Sat 7 AM–6 PM · Sun closed
Based in North Caldwell, 15 mi away
58/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Deck builder”.
- 5.0★ from 18 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 31 Grandview Pl, North Caldwell, NJ 07006
Based in Morristown, 12 mi away
58/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 60 Google reviews, listed on Google as “Deck builder”.
- 5.0★ from 60 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat 9 AM–3 PM · Sun closed
- Address
- 25 Ames Rd, Morristown, NJ 07960
Based in Garfield, 19 mi away
57/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 118 Google reviews, listed on Google as “Deck builder”.
- 5.0★ from 118 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat 8 AM–1 PM · Sun closed
- Address
- 100 Maple St Apt 12, Garfield, NJ 07026
Based in Springfield, 4 mi away
57/100CR ScoreRanked #19 because of its Google rating and review volume: 4.9★ from 566 Google reviews.
- 4.9★ from 566 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 8 AM–12 PM · Sun closed
- Address
- 499 Morris Ave, Springfield, NJ 07081
Based in East Orange, 9 mi away
57/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 42 Google reviews, listed on Google as “Deck builder”.
- 4.9★ from 42 Google reviews
- Hours
- Mon 9 AM–5:30 PM · Tue 9 AM–5 PM · Wed–Thu 9 AM–5:30 PM · Fri–Sat 9 AM–5 PM · Sun closed
#21 Pro Builder NJ
Based in Franklin Lakes, 16 mi away
57/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 35 Google reviews, listed on Google as “Deck builder”.
- 4.9★ from 35 Google reviews
- Hours
- Mon–Sat 7 AM–8 PM · Sun 9 AM–5 PM
Based in Cliffside Park, 22 mi away
57/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Deck builder”.
- 5.0★ from 30 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 63 Lawton Ave, Cliffside Park, NJ 07010
Based in Morristown, 10 mi away
57/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 75 Google reviews, listed on Google as “Concrete contractor”.
- 5.0★ from 75 Google reviews
- Hours
- Mon–Fri 7:30 AM–8 PM · Sat 7:30 AM–7:30 PM · Sun 8 AM–5 PM
- Address
- 55 Madison Ave suite 400 #4342, Morristown, NJ 07960
Based in Bloomfield, 13 mi away
57/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 92 Google reviews, listed on Google as “Deck builder”.
- 5.0★ from 92 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat–Sun closed
- Address
- 151 Birch St, Bloomfield, NJ 07003
Based in Lodi, 20 mi away
56/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Deck builder”.
- 5.0★ from 17 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 50 Home Pl, Lodi, NJ 07644
Deck builders 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 410 ranked deck builders here; the rest are on their profiles.
Also serving Mountainside
20 more deck builders within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Annas Pool Decks LLC | 5.0★ (2) | 11 mi |
| Deck-Tech | 5.0★ (2) | 4 mi |
| DECKS BY GIL | 5.0★ (2) | 3 mi |
| Decks by Kiefer | 5.0★ (2) | 15 mi |
| Ford's Home Improvement 56 | 3.0★ (2) | 8 mi |
| Get Decked Construction Co. LLC | 5.0★ (2) | 9 mi |
| Ghz Construction LLC | 5.0★ (2) | 11 mi |
| Gsell Renovations LLC | 5.0★ (2) | 16 mi |
| Interior Renovations A-Z | 2.5★ (2) | 15 mi |
| J & S Decks of New Jersey | 5.0★ (2) | 10 mi |
| M&R Landscape & Design | 3.7★ (3) | In Mountainside |
| Mosquito Shield of East Central NJ | 4.8★ (232) | In Mountainside |
| N0va construction llc | 5.0★ (2) | 6 mi |
| New Dimensions Deck Contractors | 5.0★ (2) | 7 mi |
| NJ Sunroom Repairs | In Mountainside | |
| Pat D'Amico LLC carpentry-n-more | 5.0★ (2) | 11 mi |
| PZ Painting | 5.0★ (5) | In Mountainside |
| The Helpful Neighbor | 5.0★ (2) | 14 mi |
| Viking Pest Control | 4.8★ (845) | In Mountainside |
| Woodlords Carpentry | 5.0★ (2) | 3 mi |
How much do deck builders cost in Mountainside?
Typical prices in USD, adjusted for New Jersey with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Deck building | $5,400 | $10,350 | $15,740 | Per deck: typical range of customer-reported projects. US national range × 1.24 Middle Atlantic factor (2025 Cost vs. Value Report) | October 2026 |
How we ranked Mountainside deck builders
We scored 410 Mountainside 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 Mountainside 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 |
Deck builders in Mountainside: frequently asked questions
Who is the best deck builder in Mountainside?
By CR Score, the highest-ranked deck builder in Mountainside, NJ is Glen Construction LLC with a CR Score of 64/100. It has 5.0★ from 113 Google reviews. It is open 24/7. Deck Express (#2) and Decks by Ziec (#3) follow. We ranked 410 deck builders on ten factors, last updated October 22, 2026.
How many deck builders are there in Mountainside?
ContractorsRanked ranks 410 deck builders serving Mountainside, NJ. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which deck builders in Mountainside are open 24/7?
86 ranked deck builders in Mountainside post 24/7 hours. The highest-ranked are Glen Construction LLC (#1), Magnolia Home Remodeling Group (#5) and Leska Construction LLC (#8). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which deck builders in Mountainside work on weekends?
331 of 410 ranked deck builders post Saturday hours and 175 post Sunday hours. The highest-ranked open Saturdays are Glen Construction LLC (#1), Deck Express (#2) and Decks by Ziec (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does deck building cost in Mountainside?
Deck building typically costs $5,400 to $15,740, with $10,350 typical (Per deck: typical range of customer-reported projects. US national range × 1.24 Middle Atlantic factor (2025 Cost vs. Value Report)). The range is adjusted for New Jersey. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Mountainside deck builders have?
The median Google rating among 410 rated deck builders in Mountainside is 5.0★, with a median of 19 reviews. Monk's Home Improvements has the most, 640 reviews, and ranks #37. 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 Mountainside count in this ranking?
Yes, if they are within 25 mi of the Mountainside 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 Mountainside
- October 2026: CR Scores recalculated for 410 deck builders serving Mountainside.
- October 2026: 2 duplicate listings merged.
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