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Best Masonry Contractors in St. Thomas, ON (2026)

30 masonry contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in St. Thomas: Warrington's Masonry Chimney Brick Block Stone Repair, CR Score 85/100; 4.9★ from 48 Google reviews; open 7 days a week.

  2. 7

    Best for emergencies (open 24/7): Millworks Custom Carpentry and Stone, posts 24/7 hours; ranked #7 of 30.

  3. 2

    Most-reviewed: ROYAL RESTORATION EPOXY FLOORS & CONCRETE RESURFACING, 143 Google reviews at 5.0★, the most of 30 ranked; ranked #2.

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

30 St. Thomas masonry contractors are ranked here by CR Score, from 8 published factors. 2 are open 24/7, 17 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.8★ across 30 rated businesses.

Most of this list also appears on the Masonry contractors in London ranking. See Masonry contractors in London

Top 10 masonry contractors in St. Thomas at a glance

Top 10 masonry contractors in St. Thomas at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Warrington's Masonry Chimney Brick Block Stone Repair854.9★ (48)London, 22 km awaySat · Sun · EveningsOverall
2ROYAL RESTORATION EPOXY FLOORS & CONCRETE RESURFACING835.0★ (143)London, 21 km awaySat · Sun · EveningsMost reviews
3Elite Masonry Restoration824.3★ (18)St. ThomasSat—
4Forestcitybrickwork804.1★ (18)London, 28 km awaySat · Sun—
5Harding Masonry & Restoration805.0★ (31)London, 32 km awaySat—
6Grasso Landscaping785.0★ (12)London, 23 km awaySat · Evenings—
7Millworks Custom Carpentry and Stone774.8★ (21)Lambton Shores, 33 km away24/7Emergencies
8Allside Masonry775.0★ (33)London, 23 km away——
9Lancaster Flagstone Brick & Concrete774.7★ (55)London, 25 km away——
10Bughra LTD775.0★ (5)London, 20 km awaySat · Evenings—

The 30 best masonry contractors in St. Thomas, ranked

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

  1. Ranked #1 in St. Thomas

    #1 Warrington's Masonry Chimney Brick Block Stone Repair

    Based in London, 22 km away

    85/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “Masonry contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.9★ from 48 Google reviews
    Hours
    Mon 7 AM–9 PM · Tue 7 AM–12 AM · Wed–Sun 7 AM–9 PM
    Address
    502 Sherene Terrance 206 Thompson rd, 57 Homan St, London, ON N6H 3J5
    View profile for Warrington's Masonry Chimney Brick Block Stone Repair(519) 719-4886

  2. #2 ROYAL RESTORATION EPOXY FLOORS & CONCRETE RESURFACING

    Based in London, 21 km away

    83/100CR Score

    Ranked #2 because of its Google rating and review volume: 5.0★ from 143 Google reviews, the most Google reviews on this list (143).

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 143 Google reviews
    Hours
    Mon–Fri 7 AM–7 PM · Sat 8 AM–6 PM · Sun 9 AM–5 PM
    Address
    3090 Colonel Talbot Rd, London, ON N6P 0B3
    View profile for ROYAL RESTORATION EPOXY FLOORS & CONCRETE RESURFACING(519) 859-6905

  3. #3 Elite Masonry Restoration

    Based in St. Thomas

    82/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.3★ from 18 Google reviews, listed on Google as “Masonry contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.3★ from 18 Google reviews
    Hours
    Mon–Fri 7 AM–5:30 PM · Sat 7 AM–1 PM · Sun closed
    Address
    40 Hampstead Ct, St Thomas, ON N5R 0E4
    View profile for Elite Masonry Restoration(519) 933-7440

  4. #4 Forestcitybrickwork

    Based in London, 28 km away

    80/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.1★ from 18 Google reviews, listed on Google as “Masonry contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.1★ from 18 Google reviews
    Hours
    Mon–Sat 8 AM–6 PM · Sun 10 AM–5 PM
    Address
    1247 Delphi Rd, London, ON N5Y 5B3
    View profile for Forestcitybrickwork(519) 520-8130

  6. #6 Grasso Landscaping

    Based in London, 23 km away

    78/100CR Score

    Ranked #6 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Masonry contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 12 Google reviews
    Hours
    Mon–Sat 7 AM–7 PM · Sun closed
    View profile for Grasso Landscaping(519) 854-1477

  8. #8 Allside Masonry

    Based in London, 23 km away

    77/100CR Score

    Ranked #8 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Masonry contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 33 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    226 Grand Ave, London, ON N6C 1M7
    View profile for Allside Masonry(519) 639-4787

  10. #10 Bughra LTD

    Based in London, 20 km away

    77/100CR Score

    Ranked #10 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Masonry contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 5 Google reviews
    Hours
    Mon 8 AM–6 PM · Tue 8 AM–7 PM · Wed 9 AM–6 PM · Thu 8 AM–7 PM · Fri–Sat 8 AM–6 PM · Sun closed
    View profile for Bughra LTD(519) 702-7609

  11. #11 Alterfine Masonry

    Based in Aylmer, 13 km away

    76/100CR Score

    Ranked #11 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Concrete contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 13 Google reviews
    Hours
    Mon–Sat 8 AM–6 PM · Sun closed
    Address
    11309 Springwater Rd, Aylmer, ON N5H 2R6
    View profile for Alterfine Masonry(226) 448-8606

  12. #12 James Donaldson Masonry

    Based in London, 20 km away

    76/100CR Score

    Ranked #12 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Masonry contractor”.

    Based on 5 of 8 factors; credentials, recency and availability not yet collected.

    • 5.0★ from 3 Google reviews
    Address
    2686 Hutchinson Ct, London, ON N6M 1L4
    View profile for James Donaldson Masonry(519) 777-9789

  13. #13 CB-SB Masonry

    Based in London, 15 km away

    76/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Masonry contractor”.

    Based on 5 of 8 factors; credentials, recency and availability not yet collected.

    • 4.2★ from 5 Google reviews
    Address
    4646 Avenue Rd, London, ON N6N 1E7
    View profile for CB-SB Masonry(519) 681-8750

  14. #14 Render Construction Inc

    Based in London, 35 km away

    76/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.6★ from 14 Google reviews, listed on Google as “Masonry contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.6★ from 14 Google reviews
    Hours
    Mon–Sat 8 AM–5 PM · Sun closed
    Address
    5625 Egremont Dr, Ilderton, ON N0M 2A0
    View profile for Render Construction Inc(519) 200-5819

  16. #16 Nature's Image Landscaping

    Based in London, 28 km away

    74/100CR Score

    Ranked #16 because of its Google rating and review volume: 4.6★ from 68 Google reviews, 68 Google reviews.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.6★ from 68 Google reviews
    Hours
    Mon–Fri 8 AM–8 PM · Sat 8 AM–5 PM · Sun closed
    Address
    1741 Gainsborough Rd, London, ON N6H 5L2
    View profile for Nature's Image Landscaping(519) 657-8817

  17. #17 O'Connor Stone & Landscape

    Based in London, 23 km away

    74/100CR Score

    Ranked #17 because of its Google rating and review volume: 5.0★ from 42 Google reviews, 42 Google reviews.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 42 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    52 Duchess Ave, London, ON N6C 1N2
    View profile for O'Connor Stone & Landscape(519) 200-2876

  19. #19 Tile Town

    Based in London, 23 km away

    74/100CR Score

    Ranked #19 because of its Google rating and review volume: 4.7★ from 47 Google reviews, 47 Google reviews.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.7★ from 47 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat 9 AM–4 PM · Sun closed
    Address
    465 Hamilton Rd, London, ON N5Z 1S2
    View profile for Tile Town(519) 434-2141

  21. #21 Mark's Masonry

    Based in London, 25 km away

    74/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.4★ from 19 Google reviews, listed on Google as “Masonry contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.4★ from 19 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    50 Oxford St W, London, ON N6H 5E1
    View profile for Mark's Masonry(519) 473-1712

  22. #22 Stone Mill Cabinetry

    Based in Aylmer, 16 km away

    74/100CR Score

    Ranked #22 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Cabinet maker”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 26 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    516 John St N, Aylmer, ON N5H 2B8
    View profile for Stone Mill Cabinetry(226) 556-2915

  23. #23 GPC Masonry

    Based in London, 37 km away

    73/100CR Score

    Ranked #23 because of its Google rating and availability: 3.7★ from 3 Google reviews, open 24/7.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 3.7★ from 3 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    166 Willow Ridge Rd, Ilderton, ON N0M 2A0
    View profile for GPC Masonry(519) 280-2436

  24. #24 Cohen Construction

    Based in London, 20 km away

    73/100CR Score

    Ranked #24 because of its Google rating and review volume: 5.0★ from 14 Google reviews, 14 Google reviews.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 14 Google reviews
    Hours
    Mon–Sat 7 AM–7 PM · Sun closed
    View profile for Cohen Construction(226) 678-8849

How we ranked St. Thomas masonry contractors

We scored 30 St. Thomas masonry contractors 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 St. Thomas 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

Masonry contractors in St. Thomas: frequently asked questions

Who is the best masonry contractor in St. Thomas?

By CR Score, the highest-ranked masonry contractor in St. Thomas, ON is Warrington's Masonry Chimney Brick Block Stone Repair with a CR Score of 85/100. It has 4.9★ from 48 Google reviews. It is open 7 days a week. ROYAL RESTORATION EPOXY FLOORS & CONCRETE RESURFACING (#2) and Elite Masonry Restoration (#3) follow. We ranked 30 masonry contractors on 8 factors, last updated October 22, 2026.

How many masonry contractors are there in St. Thomas?

ContractorsRanked ranks 30 masonry contractors serving St. Thomas, ON. 1 of them is based in St. Thomas; the rest serve it from nearby towns. Counts are as of October 2026.

Which masonry contractors in St. Thomas are open 24/7?

2 ranked masonry contractors in St. Thomas post 24/7 hours. The highest-ranked are Millworks Custom Carpentry and Stone (#7) and GPC Masonry (#23). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which masonry contractors in St. Thomas work on weekends?

17 of 30 ranked masonry contractors post Saturday hours and 5 post Sunday hours. The highest-ranked open Saturdays are Warrington's Masonry Chimney Brick Block Stone Repair (#1), ROYAL RESTORATION EPOXY FLOORS & CONCRETE RESURFACING (#2) and Elite Masonry Restoration (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do St. Thomas masonry contractors have?

The median Google rating among 30 rated masonry contractors in St. Thomas is 4.8★, with a median of 20 reviews. ROYAL RESTORATION EPOXY FLOORS & CONCRETE RESURFACING has the most, 143 reviews, and ranks #2. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank masonry contractors?

Each masonry contractor 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 masonry contractors outside St. Thomas count in this ranking?

Yes, if they are within 40 km of the St. Thomas city centre, our service radius for masonry contractors. 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 masonry contractors 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 St. Thomas

  1. October 2026: CR Scores recalculated for 30 masonry contractors serving St. Thomas.

More masonry contractors and St. Thomas pages

Other trades in St. Thomas