63/100CR Score
Ranked #1 because of its Google rating and review volume: 5.0★ from 126 Google reviews.
- 5.0★ from 126 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Best Deck Builders in Portsmouth, NH (2026)
37 deck builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Portsmouth: Northeast Walls and Patios, CR Score 63/100; 5.0★ from 126 Google reviews; open 24/7.
- 4
Best for emergencies (open 24/7): L'Italien Home Renovation and Design, LLC, posts 24/7 hours; ranked #4 of 37.
- 16
Most-reviewed: Southers Construction, 149 Google reviews at 3.9★, the most of 37 ranked; ranked #16.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
37 Portsmouth deck builders are ranked here by CR Score, from ten published factors. 2 are open 24/7, 18 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.9★ across 37 rated businesses.
Top 10 deck builders in Portsmouth at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Northeast Walls and Patios | 63 | 5.0★ (126) | Chester, 3 mi away | 24/7 | Overall |
| 2 | Shoreline Hardscapes & Construction, LLC | 54 | 4.7★ (26) | Newburyport, 2 mi away | Sat · Sun | — |
| 3 | Premium Deck Restoration LLC | 54 | 4.8★ (16) | Durham, 8 mi away | Sat · Sun | — |
| 4 | L'Italien Home Renovation and Design, LLC | 52 | 4.9★ (44) | Groveland, 25 mi away | 24/7 | Emergencies |
| 5 | Royce Works, LLC | 52 | 5.0★ (28) | Barrington, 15 mi away | Sat · Sun · Evenings | — |
| 6 | Allan Trant's Exterior Finish Work | 52 | 5.0★ (13) | Barrington, 18 mi away | — | — |
| 7 | Affordable Patio NH | 51 | 5.0★ (13) | Eliot, 14 mi away | Sat | — |
| 8 | Diamond HIll Builders LLC | 50 | 4.7★ (48) | Exeter, 11 mi away | — | — |
| 9 | Tall Pine Roofing | 50 | 5.0★ (54) | Concord, 25 mi away | Sat | — |
| 10 | Ace Handyman Services Southern Maine - York | 49 | 5.0★ (19) | Eliot, 8 mi away | — | — |
The 37 best deck builders in Portsmouth, 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.
Based in Newburyport, 2 mi away
54/100CR ScoreRanked #2 because of its Google rating and review volume: 4.7★ from 26 Google reviews.
- 4.7★ from 26 Google reviews
- Hours
- Mon–Sun 8 AM–6 PM
Based in Durham, 8 mi away
54/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 16 Google reviews, listed on Google as “Painter”.
- 4.8★ from 16 Google reviews
- Hours
- Mon–Sun 8 AM–6 PM
- Address
- 9 Winnicutt Rd, Stratham, NH 03885
Based in Groveland, 25 mi away
52/100CR ScoreRanked #4 because of its Google rating and review volume: 4.9★ from 44 Google reviews.
- 4.9★ from 44 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1 Wood St, Groveland, MA 01834
Based in Barrington, 15 mi away
52/100CR ScoreRanked #5 because of its Google rating and review volume: 5.0★ from 28 Google reviews.
- 5.0★ from 28 Google reviews
- Hours
- Mon–Sun 7 AM–9 PM
- Address
- 31 Carr Dr, Barrington, NH 03825
Based in Barrington, 18 mi away
52/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Deck builder”.
- 5.0★ from 13 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
- Address
- 20 Gravel Pit Rd, Nottingham, NH 03290
Based in Eliot, 14 mi away
51/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Construction company”.
- 5.0★ from 13 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat 7 AM–2 PM · Sun closed
Based in Exeter, 11 mi away
50/100CR ScoreRanked #8 because of its Google rating and review volume: 4.7★ from 48 Google reviews.
- 4.7★ from 48 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat–Sun closed
- Address
- 92 Portsmouth Ave, Exeter, NH 03833
Based in Concord, 25 mi away
50/100CR ScoreRanked #9 because of its Google rating and review volume: 5.0★ from 54 Google reviews.
- 5.0★ from 54 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat 7 AM–11 AM · Sun closed
- Address
- 43 North Road Unit 206, Deerfield, NH 03037
Based in Eliot, 8 mi away
49/100CR ScoreRanked #10 because of its Google rating and review volume: 5.0★ from 19 Google reviews.
- 5.0★ from 19 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 647 US-1 Suite 204, York, ME 03909
Based in Hampton, 9 mi away
49/100CR ScoreRanked #11 because of its Google rating and review volume: 4.8★ from 26 Google reviews.
- 4.8★ from 26 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 861 Lafayette Rd # 5B, Hampton, NH 03842
Based in Barrington, 12 mi away
49/100CR ScoreRanked #12 because of its Google rating and review volume: 5.0★ from 12 Google reviews.
- 5.0★ from 12 Google reviews
- Hours
- Mon–Fri 6 AM–7 PM · Sat 6 AM–3 PM · Sun closed
- Address
- 151 Wednesday Hill Rd, Lee, NH 03861
Based in Eliot, 11 mi away
48/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 9 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat 7 AM–12 PM · Sun closed
Based in Biddeford, 16 mi away
48/100CR ScoreRanked #14 because of its Google rating and review volume: 4.7★ from 19 Google reviews.
- 4.7★ from 19 Google reviews
- Hours
- Mon–Sat 9 AM–5 PM · Sun closed
- Address
- 2155 N Berwick Rd, Wells, ME 04090
Based in Newburyport, 22 mi away
48/100CR ScoreRanked #15 because of its Google rating and review volume: 4.9★ from 29 Google reviews.
- 4.9★ from 29 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat 8 AM–2 PM · Sun closed
- Address
- 236 High Rd, Newbury, MA 01951
Based in Chester, 15 mi away
48/100CR ScoreRanked #16 because of its Google rating and review volume: 3.9★ from 149 Google reviews, the most in Portsmouth.
- 3.9★ from 149 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 363 Calef Hwy, Epping, NH 03042
Based in Amesbury, 20 mi away
48/100CR ScoreRanked #17 because of its Google rating and review volume: 4.8★ from 51 Google reviews.
- 4.8★ from 51 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
#18 DLC Construction
Based in Exeter, 12 mi away
48/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Construction company”.
- 5.0★ from 10 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 8 AM–12 PM · Sun closed
Based in Eliot, 10 mi away
48/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Masonry contractor”.
- 5.0★ from 5 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
Based in Amesbury, 21 mi away
48/100CR ScoreRanked #20 because of its Google rating and review volume: 5.0★ from 22 Google reviews.
- 5.0★ from 22 Google reviews
- Hours
- Mon–Sat 7:30 AM–3:30 PM · Sun closed
Based in Chester, 14 mi away
47/100CR ScoreRanked #21 because of its Google rating and review volume: 5.0★ from 15 Google reviews.
- 5.0★ from 15 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
- Address
- Frenchs Ln, Kensington, NH 03833
Based in Kingston, 19 mi away
46/100CR ScoreRanked #22 because of its Google rating and review volume: 4.1★ from 14 Google reviews.
- 4.1★ from 14 Google reviews
- Hours
- Mon–Sat 8 AM–5 PM · Sun closed
- Address
- 7 Small Pox Rd, Kingston, NH 03848
Based in Chester, 14 mi away
45/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 4 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 8 AM–2 PM · Sun closed
Based in Chester, 16 mi away
45/100CR ScoreRanked #24 because of its Google rating and review volume: 4.5★ from 13 Google reviews.
- 4.5★ from 13 Google reviews
- Hours
- Mon–Fri 7 AM–4 PM · Sat–Sun closed
- Address
- 252 Calef Hwy, Epping, NH 03042
Based in Eliot, 17 mi away
45/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Home builder”.
- 5.0★ from 11 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat–Sun closed
All 37 deck builders
#1 to #25 are shown in full above. Here are #26 to #37, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | PittPro Home Improvement & Remodeling | 45 | 5.0★ (3) | 13 mi |
| 27 | 2 Penn Painting and Roofing | 45 | 3.5★ (13) | 21 mi |
| 28 | McCosker Builders | 45 | 4.6★ (10) | 17 mi |
| 29 | Stratham Building & Remodeling, LLC | 44 | 5.0★ (3) | 8 mi |
| 30 | NextGen Construction LLC | 44 | 5.0★ (5) | 13 mi |
| 31 | Decking Depot | 43 | 2.3★ (3) | 17 mi |
| 32 | Douglas Scott Builders | 43 | 4.5★ (6) | 17 mi |
| 33 | All Around Construction Inc | 43 | 3.0★ (4) | 21 mi |
| 34 | M and A Construction | 43 | 4.0★ (4) | 23 mi |
| 35 | Seacoast Home Improvement | 41 | 4.7★ (3) | 24 mi |
| 36 | JMA Construction LLC | 41 | 4.3★ (4) | 24 mi |
| 37 | KTM Properties | 40 | 3.7★ (3) | 24 mi |
Also serving Portsmouth
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 |
|---|---|---|
| 603 Decks LLC | 5.0★ (1) | 6 mi |
| Bill Dickey Companies | 3.0★ (2) | 14 mi |
| Brick Head Designs | In Portsmouth | |
| Build With J&J LLC | 14 mi | |
| David Genf LLC | 20 mi | |
| Deckmasters | 19 mi | |
| Ellis Contracting | 20 mi | |
| Fix It NE | 5.0★ (1) | 4 mi |
| Fowler Contracting | 5.0★ (1) | 25 mi |
| Hansen Building & Restoration | 5.0★ (1) | 12 mi |
| Haseltine Builders, LLC | 5.0★ (2) | 25 mi |
| James Goucher Remodeling | 5.0★ (2) | 20 mi |
| O'Neil Home Improvements | 5.0★ (2) | 11 mi |
| Piantoni Construction | 16 mi | |
| Rhema Inc. | 13 mi | |
| Rubber Pool Decking | 4.0★ (1) | 12 mi |
| Scott Lemay Contracting | 3.0★ (1) | 19 mi |
| Square Roots | 11 mi | |
| Suncoast Builders | 5.0★ (2) | 15 mi |
| Yerxa Construction | 5.0★ (2) | 21 mi |
How much do deck builders cost in Portsmouth?
Typical prices in USD, adjusted for New Hampshire 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 |
How we ranked Portsmouth deck builders
We scored 37 Portsmouth 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 Portsmouth 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 Portsmouth: frequently asked questions
Who is the best deck builder in Portsmouth?
By CR Score, the highest-ranked deck builder in Portsmouth, NH is Northeast Walls and Patios with a CR Score of 63/100. It has 5.0★ from 126 Google reviews. It is open 24/7. Shoreline Hardscapes & Construction, LLC (#2) and Premium Deck Restoration LLC (#3) follow. We ranked 37 deck builders on ten factors, last updated October 22, 2026.
How many deck builders are there in Portsmouth?
ContractorsRanked ranks 37 deck builders serving Portsmouth, NH. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which deck builders in Portsmouth are open 24/7?
2 ranked deck builders in Portsmouth post 24/7 hours. The highest-ranked are Northeast Walls and Patios (#1) and L'Italien Home Renovation and Design, LLC (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which deck builders in Portsmouth work on weekends?
18 of 37 ranked deck builders post Saturday hours and 5 post Sunday hours. The highest-ranked open Saturdays are Northeast Walls and Patios (#1), Shoreline Hardscapes & Construction, LLC (#2) and Premium Deck Restoration LLC (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does deck building cost in Portsmouth?
Deck building typically costs $4,890 to $14,270, with $9,390 typical (Per deck: typical range of customer-reported projects. US national range × 1.13 New England factor (2025 Cost vs. Value Report)). The range is adjusted for New Hampshire. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Portsmouth deck builders have?
The median Google rating among 37 rated deck builders in Portsmouth is 4.9★, with a median of 13 reviews. Southers Construction has the most, 149 reviews, and ranks #16. 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 Portsmouth count in this ranking?
Yes, if they are within 25 mi of the Portsmouth 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 Portsmouth
- October 2026: CR Scores recalculated for 37 deck builders serving Portsmouth.
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