9 deck builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Johnstown: Decker Group, Ltd., CR Score 79/100; 5.0★ from 28 Google reviews; open Saturdays until 3 PM.
Best for emergencies (open 24/7): Modern Domains, posts 24/7 hours; ranked #2 of 9.
Most-reviewed: J&D Windows and Doors General Contracting, LLC., 55 Google reviews at 4.9★, the most of 9 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
9 Johnstown deck builders are ranked here by CR Score, from 8 published factors. 1 is open 24/7, 6 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 4.9★ across 9 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Decker Group, Ltd. | 79 | 5.0★ (28) | Amsterdam, 17 mi away | Sat · Evenings | Overall |
| 2 | Modern Domains | 78 | 5.0★ (9) | Schenectady, 24 mi away | 24/7 | Emergencies |
| 3 | Leak Proof Roofing & Construction LLC | 75 | 4.6★ (14) | Schenectady, 22 mi away | Sat · Sun · Evenings | — |
| 4 | ADS Home PRO LLC - Contracting | Installation and Repair Services | Siding | Roof | Windows & Doors | Deck | 74 | 4.6★ (10) | Amsterdam, 10 mi away | Evenings | — |
| 5 | J&D Windows and Doors General Contracting, LLC. | 74 | 4.9★ (55) | Schenectady, 21 mi away | — | Most reviews |
| 6 | Jonson Home Improvements | 73 | 5.0★ (11) | Schenectady, 19 mi away | Sat · Evenings | — |
| 7 | Tool Shed Handyman Services | 72 | 4.6★ (11) | Wailua Homesteads, 21 mi away | Sat · Evenings | — |
| 8 | Capital District NY Contractors – Handyman & Remodeling | 71 | 4.9★ (29) | Albany, 20 mi away | — | — |
| 9 | Riley Contracting LLC | 67 | 5.0★ (3) | Cohoes, 23 mi away | Sat | — |
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.
Ranked #1 because of its Google rating and review volume: 5.0★ from 28 Google reviews, 28 Google reviews.
Based in Schenectady, 24 mi away
Ranked #2 because of its Google rating and availability: 5.0★ from 9 Google reviews, open 24/7.
Based in Schenectady, 22 mi away
Ranked #3 because of its Google rating and availability: 4.6★ from 14 Google reviews, open 7 days a week.
Based in Amsterdam, 10 mi away
Ranked #4 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “Roofing contractor”.
Based in Schenectady, 21 mi away
Ranked #5 because of its Google rating and review volume: 4.9★ from 55 Google reviews, the most Google reviews on this list (55).
Based in Schenectady, 19 mi away
Ranked #6 because of its Google rating and review volume: 5.0★ from 11 Google reviews, 11 Google reviews.
Based in Wailua Homesteads, 21 mi away
Ranked #7 because of its Google rating and review volume: 4.6★ from 11 Google reviews, 11 Google reviews.
Based in Albany, 20 mi away
Ranked #8 because of its Google rating and review volume: 4.9★ from 29 Google reviews, 29 Google reviews.
Based in Cohoes, 23 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Kitchen remodeler”.
Typical prices in USD, adjusted for New York with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Deck building | $5,400 | $10,350 | $15,740 | Per deck: typical range of customer-reported projects. US national range × 1.24 Middle Atlantic factor (2025 Cost vs. Value Report) | October 2026 |
We scored 9 Johnstown 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.
| Factor | Weight | Computed from | In Johnstown data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |