144 deck builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Merrimack: Villandry Home & Outdoor Living, CR Score 59/100; 4.9★ from 37 Google reviews; open Saturdays until 8 PM.
Best for emergencies (open 24/7): RP Pro Contracting LLC, posts 24/7 hours; ranked #2 of 144.
Most-reviewed: Eastern Shed & Outdoor Living, 1,138 Google reviews at 5.0★, the most of 144 ranked; ranked #17.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
144 Merrimack deck builders are ranked here by CR Score, from ten published factors. 15 are open 24/7, 88 open Saturdays and 35 open Sundays, based on posted hours. The median Google rating is 5.0★ across 144 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Villandry Home & Outdoor Living | 59 | 4.9★ (37) | Merrimack | Sat · Evenings | Overall |
| 2 | RP Pro Contracting LLC | 56 | 4.8★ (137) | Nashua, 6 mi away | 24/7 | Emergencies |
| 3 | EAF Custom Decks and Remodeling | 56 | 5.0★ (63) | Hudson, 8 mi away | Sat · Sun · Evenings | — |
| 4 | Lenzi Construction & Remodeling LLC | 55 | 4.7★ (78) | Holden, 9 mi away | — | — |
| 5 | GMP Landscaping and Construction inc | 55 | 5.0★ (88) | Merrimack | Sat | — |
| 6 | Northeast Deck Solutions | 54 | 4.9★ (16) | Bedford, 11 mi away | Sat | — |
| 7 | Complete Solutions Pro | 54 | 5.0★ (10) | Boston, 24 mi away | 24/7 | — |
| 8 | Custom Decks by Shatmire | 54 | 5.0★ (16) | Auburn, 7 mi away | — | — |
| 9 | Deck Builders NH | 53 | 4.0★ (4) | Derry, 12 mi away | Sat · Sun · Evenings | — |
| 10 | Sals Masonry Hardscape & Landscape Install, patio install, walkways, walls, outdoor fireplace | 53 | 5.0★ (33) | Andover, 21 mi away | 24/7 | — |
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.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 37 Google reviews, listed on Google as “Deck builder”.
Based in Nashua, 6 mi away
Ranked #2 because of its Google rating and review volume: 4.8★ from 137 Google reviews.
Based in Hudson, 8 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 63 Google reviews, listed on Google as “Contractor”.
Based in Holden, 9 mi away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 78 Google reviews, listed on Google as “Deck builder”.
Based in Merrimack
Ranked #5 because of its Google rating and review volume: 5.0★ from 88 Google reviews.
Based in Bedford, 11 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 16 Google reviews, listed on Google as “Deck builder”.
Based in Boston, 24 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Deck builder”.
Based in Auburn, 7 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Deck builder”.
Based in Derry, 12 mi away
Ranked #9 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Deck builder”.
Based in Andover, 21 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Masonry contractor”.
Based in Haverhill, 14 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Deck builder”.
Based in Bedford, 9 mi away
Ranked #12 because of its Google rating and review volume: 5.0★ from 104 Google reviews.
Based in Manchester, 9 mi away
Ranked #13 because of its Google rating and review volume: 5.0★ from 87 Google reviews.
Based in Nashua, 8 mi away
Ranked #14 because of its Google rating and availability: 5.0★ from 14 Google reviews, open 24/7.
Based in Nashua, 7 mi away
Ranked #15 because of its Google rating and availability: 5.0★ from 12 Google reviews, open 24/7.
Based in Lawrence, 16 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 55 Google reviews, listed on Google as “Construction company”.
Based in North Andover, 24 mi away
Ranked #17 because of its Google rating and review volume: 5.0★ from 1,138 Google reviews, the most in Merrimack.
Based in Hudson, 9 mi away
Ranked #18 because of its Google rating and review volume: 4.5★ from 232 Google reviews.
Based in North Andover, 21 mi away
Ranked #19 because of its Google rating and review volume: 4.9★ from 56 Google reviews.
Based in Haverhill, 22 mi away
Ranked #20 because of its Google rating and review volume: 5.0★ from 49 Google reviews.
Based in Bedford, 22 mi away
Ranked #21 because of its Google rating and review volume: 5.0★ from 48 Google reviews.
Based in Merrimack
Ranked #22 because of its Google rating and review volume: 4.9★ from 46 Google reviews.
Based in Nashua, 8 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “General contractor”.
Based in Haverhill, 19 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Contractor”.
Based in Bedford, 9 mi away
Ranked #25 because of its Google rating and review volume: 5.0★ from 43 Google reviews.
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 |
We scored 144 Merrimack 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 Merrimack 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 |