495 masonry contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Lake Ronkonkoma: Martin Masonry and Landscaping, CR Score 63/100; 5.0★ from 201 Google reviews; open 24/7.
Best for emergencies (open 24/7): Strong Island Masonry and Exteriors inc, posts 24/7 hours; ranked #8 of 495.
Most-reviewed: Creative Stone & Cabinets Kitchen & Bath Design Center, 676 Google reviews at 4.9★, the most of 495 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
495 Lake Ronkonkoma masonry contractors are ranked here by CR Score, from ten published factors. 72 are open 24/7, 390 open Saturdays and 167 open Sundays, based on posted hours. The median Google rating is 4.9★ across 495 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Martin Masonry and Landscaping | 63 | 5.0★ (201) | Bayport, 7 mi away | 24/7 | Overall |
| 2 | Flawless Masonry | 62 | 4.9★ (401) | Hauppauge, 6 mi away | Sat · Sun · Evenings | — |
| 3 | Genstar Masonry and Landscaping | 60 | 5.0★ (479) | Massapequa, 20 mi away | Sat · Sun · Evenings | — |
| 4 | Certified Chimney Service | 60 | 4.7★ (370) | Calverton, 12 mi away | Sat · Sun · Evenings | — |
| 5 | Royal Stone & Masonry | 60 | 5.0★ (134) | Farmingville, 5 mi away | Sat · Evenings | — |
| 6 | Creative Stone & Cabinets Kitchen & Bath Design Center | 60 | 4.9★ (676) | Selden, 6 mi away | Sat · Sun | Most reviews |
| 7 | I FIX BRIX | 59 | 5.0★ (97) | Centerport, 10 mi away | Sat · Sun · Evenings | — |
| 8 | Strong Island Masonry and Exteriors inc | 59 | 5.0★ (52) | Bayport, 13 mi away | 24/7 | Emergencies |
| 9 | In Bloom Design & Build | 59 | 5.0★ (33) | Amityville, 10 mi away | 24/7 | — |
| 10 | Blue Diamond Masonry | 59 | 5.0★ (55) | Coram, 8 mi away | Sat · Sun · Evenings | — |
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: 5.0★ from 201 Google reviews, listed on Google as “Masonry contractor”.
Based in Hauppauge, 6 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 401 Google reviews, listed on Google as “Masonry contractor”.
Based in Massapequa, 20 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 479 Google reviews, listed on Google as “Masonry contractor”.
Based in Calverton, 12 mi away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 370 Google reviews, listed on Google as “Masonry contractor”.
Based in Farmingville, 5 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 134 Google reviews, listed on Google as “Masonry contractor”.
Based in Selden, 6 mi away
Ranked #6 because of its Google rating and review volume: 4.9★ from 676 Google reviews, the most in Lake Ronkonkoma.
Based in Centerport, 10 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 97 Google reviews, listed on Google as “Masonry contractor”.
Based in Bayport, 13 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 52 Google reviews, listed on Google as “Masonry contractor”.
Based in Amityville, 10 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Masonry contractor”.
Based in Coram, 8 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 55 Google reviews, listed on Google as “Masonry contractor”.
Based in Patchogue, 8 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 66 Google reviews, listed on Google as “Masonry contractor”.
Based in Nesconset, 1 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 54 Google reviews, listed on Google as “Masonry contractor”.
Based in Centereach, 3 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 65 Google reviews, listed on Google as “Masonry contractor”.
Based in Bohemia, 5 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 88 Google reviews, listed on Google as “Masonry contractor”.
Based in Bohemia, 4 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 63 Google reviews, listed on Google as “Masonry contractor”.
Based in Ronkonkoma, 2 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 53 Google reviews, listed on Google as “Concrete contractor”.
Based in Selden, 5 mi away
Ranked #17 because of its Google rating and review volume: 4.9★ from 372 Google reviews.
Based in Holtsville, 5 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 33 Google reviews, listed on Google as “Masonry contractor”.
Based in Centerport, 12 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 58 Google reviews, listed on Google as “Masonry contractor”.
Based in Oyster Bay, 21 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 192 Google reviews, listed on Google as “Masonry contractor”.
Based in Medford, 7 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Masonry contractor”.
Based in Medford, 9 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 77 Google reviews, listed on Google as “Masonry contractor”.
Based in Holbrook, 5 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 122 Google reviews, listed on Google as “Masonry contractor”.
Based in Brentwood, 6 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Masonry contractor”.
Based in Lindenhurst, 16 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 45 Google reviews, listed on Google as “Masonry contractor”.
#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 495 ranked masonry contractors here; the rest are on their profiles.
20 more masonry contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
We scored 495 Lake Ronkonkoma masonry contractors 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 Lake Ronkonkoma 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 |