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ContractorsRanked

Best Deck Builders in Sarnia, ON (2026)

20 deck builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Sarnia: First Response Roofing and Construction, LLC, CR Score 81/100; 4.8★ from 429 Google reviews; open Saturdays until 12 PM.

  2. 7

    Most-reviewed: ZLM Outdoor Living, 173 Google reviews at 4.4★, the most of 20 ranked after First Response Roofing and Construction, LLC; ranked #7.

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

20 Sarnia deck builders are ranked here by CR Score, from 8 published factors. 6 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 5.0★ across 20 rated businesses.

Top 10 deck builders in Sarnia at a glance

Top 10 deck builders in Sarnia at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1First Response Roofing and Construction, LLC814.8★ (429)Port Huron, 4 km awaySatOverall
2North Star Restorations Ltd.805.0★ (18)SarniaSat—
3Custom Renovations805.0★ (3)SarniaSat · Sun · Evenings—
4Hickory Dickory Decks Lambton County805.0★ (34)Camlachie, 19 km awaySat—
5Southwest Fence & Decks784.4★ (108)Sarnia——
6Estate of Mind Builders LLC755.0★ (21)SarniaSat—
7ZLM Outdoor Living744.4★ (173)New Baltimore, 37 km awaySat · SunMost reviews
8DMC Custom Creations735.0★ (43)Sarnia——
9L.J. Custom Fence & Deck735.0★ (6)Sarnia——
10Union Properties Construction734.9★ (69)Port Huron, 6 km away——

The 20 best deck builders in Sarnia, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  7. #7 ZLM Outdoor Living

    Based in New Baltimore, 37 km away

    74/100CR Score

    Ranked #7 because of its Google rating and review volume: 4.4★ from 173 Google reviews, 173 Google reviews.

    • 4.4★ from 173 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat 9 AM–3 PM · Sun 11 AM–3 PM
    Address
    9422 Marine City Hwy Suite 2, Casco, MI 48064
    View profile for ZLM Outdoor Living(586) 204-6175

  12. #12 Frazer Building Company

    Based in Sarnia

    72/100CR Score

    Ranked #12 because of its Google rating and review volume: 4.5★ from 98 Google reviews, 98 Google reviews.

    • 4.5★ from 98 Google reviews
    Hours
    Mon–Wed 8 AM–4 PM · Thu 8 AM–5 PM · Fri 8 AM–4 PM · Sat–Sun closed
    Address
    4827 Gratiot Ave, St Clair, MI 48079, United States
    View profile for Frazer Building Company(810) 364-2766

  19. #19 Lewis Fencing

    Based in Corunna, 12 km away

    66/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Fence contractor”.

    • 5.0★ from 6 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat–Sun closed
    Address
    598 Spokane Blvd, Corunna, ON N0N 1G0
    View profile for Lewis Fencing(519) 466-5842

  20. #20 Strictly Sunrooms

    Based in Lambton Shores, 35 km away

    62/100CR Score

    Ranked #20 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Contractor”.

    • 5.0★ from 7 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat–Sun closed
    Address
    3 Victoria St, Forest, ON N0N 1J0
    View profile for Strictly Sunrooms(800) 462-1022

Also serving Sarnia

20 more deck builders within 40 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

Unranked deck builders serving Sarnia
BusinessGoogle ratingDistance
Carosyl Home Additions Inc.4.8★ (30)In Sarnia
Custom Plumbing4.2★ (73)In Sarnia
Durston Custom Contracting4.8★ (22)In Sarnia
E2 Concrete Sealing5.0★ (24)In Sarnia
G&J Renovations and Handyman Services4.9★ (33)In Sarnia
Garden Centre at RONA+4.2★ (25)In Sarnia
Hucker Floor Coverings4.9★ (47)In Sarnia
KD Exterior Building Products4.0★ (30)In Sarnia
L & L Electric Inc.5.0★ (57)In Sarnia
Lambton Sanitation5.0★ (309)In Sarnia
Preferred Electric3.9★ (38)In Sarnia
Reliance Home Comfort4.8★ (3,256)In Sarnia
Rock Solid Pools5.0★ (22)In Sarnia
RONA+ Sarnia4.0★ (842)In Sarnia
Royalty Plumbing4.9★ (63)In Sarnia
The Home Depot4.2★ (985)In Sarnia
TIB Electric4.9★ (44)In Sarnia
Washington Pools and Spas4.6★ (71)In Sarnia
Westerly Shores Renovations5.0★ (41)In Sarnia
William Standen Co.4.5★ (27)In Sarnia

How much do deck builders cost in Sarnia?

US national ranges converted to CAD, not adjusted for Sarnia. Each row names its basis and the month we checked it.

How much do deck builders cost in Sarnia?
JobLowTypicalHighBasisChecked
Deck buildingCA$6,100CA$11,690CA$17,780Per deck: typical range of customer-reported projects. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026)October 2026

How we ranked Sarnia deck builders

We scored 20 Sarnia deck builders on 8 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. Unknown factors are left out of the score, 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 Sarnia data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

Deck builders in Sarnia: frequently asked questions

Who is the best deck builder in Sarnia?

By CR Score, the highest-ranked deck builder in Sarnia, ON is First Response Roofing and Construction, LLC with a CR Score of 81/100. It has 4.8★ from 429 Google reviews. It is open Saturdays until 12 PM. North Star Restorations Ltd. (#2) and Custom Renovations (#3) follow. We ranked 20 deck builders on 8 factors, last updated October 22, 2026.

How many deck builders are there in Sarnia?

ContractorsRanked ranks 20 deck builders serving Sarnia, ON. 14 of them are based in Sarnia; the rest serve it from nearby towns. Another 20 within 40 km are listed but not ranked yet. Counts are as of October 2026.

Which deck builders in Sarnia work on weekends?

6 of 20 ranked deck builders post Saturday hours and 2 post Sunday hours. The highest-ranked open Saturdays are First Response Roofing and Construction, LLC (#1), North Star Restorations Ltd. (#2) and Custom Renovations (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does deck building cost in Sarnia?

Deck building typically costs CA$6,100 to CA$17,780, with CA$11,690 typical (Per deck: typical range of customer-reported projects. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026)). This is a national range, not adjusted for Sarnia. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Sarnia deck builders have?

The median Google rating among 20 rated deck builders in Sarnia is 5.0★, with a median of 24 reviews. First Response Roofing and Construction, LLC has the most, 429 reviews, and ranks #1. 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 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do deck builders outside Sarnia count in this ranking?

Yes, if they are within 40 km of the Sarnia city centre, 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.

Can deck builders pay to rank higher on ContractorsRanked?

No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.

Update log for Sarnia

  1. October 2026: CR Scores recalculated for 20 deck builders serving Sarnia.

More deck builders and Sarnia pages

Other trades in Sarnia