448 deck builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Olney: Deck Armor, LLC, CR Score 89/100; 4.9★ from 266 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): J&A Deck And Fence, posts 24/7 hours; ranked #3 of 448.
Most-reviewed: Knott's Lawn Service, 462 Google reviews at 5.0★, the most of 448 ranked; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
448 Olney deck builders are ranked here by CR Score, from 8 published factors. 39 are open 24/7, 275 open Saturdays and 111 open Sundays, based on posted hours. The median Google rating is 4.9★ across 448 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Deck Armor, LLC | 89 | 4.9★ (266) | Gaithersburg, 6 mi away | Sat · Sun | Overall |
| 2 | Serrano Master Deck, LLC | 86 | 4.9★ (131) | Gaithersburg, 9 mi away | Sat · Sun | — |
| 3 | J&A Deck And Fence | 85 | 4.8★ (26) | Germantown, 11 mi away | 24/7 | Emergencies |
| 4 | DeckMaxtor | 85 | 5.0★ (24) | Clarksburg, 2 mi away | Sat · Sun · Evenings | — |
| 5 | Montgomery Decks | 85 | 5.0★ (150) | Darnestown, 4 mi away | Sat | — |
| 6 | Ace Handyman Services Laurel | 84 | 4.9★ (273) | Laurel, 11 mi away | 24/7 | — |
| 7 | Knott's Lawn Service | 83 | 5.0★ (462) | Dundalk, 9 mi away | Sat · Sun · Evenings | Most reviews |
| 8 | Mr Deck and Patio Contractor - Fairfax | 83 | 5.0★ (30) | Fairfax, 24 mi away | 24/7 | — |
| 9 | Certified Roofing | 83 | 4.8★ (231) | Columbia, 12 mi away | 24/7 | — |
| 10 | FA Outdoor Spaces | 82 | 5.0★ (104) | Fairfax, 25 mi away | Sat · Sun · Evenings | — |
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 trade focus: 4.9★ from 266 Google reviews, listed on Google as “Deck builder”.
Based in Gaithersburg, 9 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 131 Google reviews, listed on Google as “Deck builder”.
Based in Germantown, 11 mi away
Ranked #3 because of its Google rating and availability: 4.8★ from 26 Google reviews, open 24/7.
Based in Clarksburg, 2 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Deck builder”.
Based in Darnestown, 4 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 150 Google reviews, listed on Google as “Deck builder”.
Based in Laurel, 11 mi away
Ranked #6 because of its Google rating and availability: 4.9★ from 273 Google reviews, open 24/7.
Based in Dundalk, 9 mi away
Ranked #7 because of its Google rating and review volume: 5.0★ from 462 Google reviews, the most Google reviews on this list (462).
Based in Fairfax, 24 mi away
Ranked #8 because of its Google rating and availability: 5.0★ from 30 Google reviews, open 24/7.
Based in Columbia, 12 mi away
Ranked #9 because of its Google rating and availability: 4.8★ from 231 Google reviews, open 24/7.
Based in Fairfax, 25 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 104 Google reviews, listed on Google as “Deck builder”.
Based in Bowie, 19 mi away
Ranked #11 because of its Google rating and availability: 5.0★ from 219 Google reviews, open 24/7.
Based in Rockville, 6 mi away
Ranked #12 because of its Google rating and availability: 4.9★ from 50 Google reviews, open 24/7.
Based in Gaithersburg, 6 mi away
Ranked #13 because of its Google rating and availability: 5.0★ from 157 Google reviews, open 7 days a week.
Based in Eldersburg, 19 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 343 Google reviews, listed on Google as “Deck builder”.
Based in Baltimore, 7 mi away
Ranked #15 because of its Google rating and trade focus: 4.7★ from 95 Google reviews, listed on Google as “Deck builder”.
Based in Herndon, 21 mi away
Ranked #16 because of its Google rating and availability: 5.0★ from 11 Google reviews, open 24/7.
Based in Rockville, 6 mi away
Ranked #17 because of its Google rating and availability: 4.6★ from 95 Google reviews, open 24/7.
Based in Laurel, 12 mi away
Ranked #18 because of its Google rating and availability: 5.0★ from 70 Google reviews, open 24/7.
Based in Poolesville, 19 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Deck builder”.
Based in Rockville, 7 mi away
Ranked #20 because of its Google rating and availability: 5.0★ from 141 Google reviews, open 7 days a week.
Based in Clarksburg, 11 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 61 Google reviews, listed on Google as “Deck builder”.
Based in Gaithersburg, 8 mi away
Ranked #22 because of its Google rating and availability: 4.9★ from 37 Google reviews, open 24/7.
Based in North Potomac, 9 mi away
Ranked #23 because of its Google rating and availability: 5.0★ from 37 Google reviews, open 24/7.
Based in Severn, 22 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 49 Google reviews, listed on Google as “Deck builder”.
Based in Gaithersburg, 6 mi away
Ranked #25 because of its Google rating and availability: 5.0★ from 85 Google reviews, open 7 days a week.
#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 448 ranked deck builders here; the rest are on their profiles.
20 more deck builders within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Caseres General Contractor LLC | 4.5★ (2) | 17 mi |
| D. Wolf Contractors | 5.0★ (2) | 18 mi |
| DunnRight LLC | 5.0★ (2) | 23 mi |
| Francisco and Son General Contractor | 5.0★ (2) | 12 mi |
| GHI Improvements | 4.8★ (19) | In Olney |
| H&M Home Remodeling LLC | General Contractor | 4.0★ (2) | 19 mi |
| Heritage Fence & Deck LLC | 5.0★ (2) | 21 mi |
| HiRISE WINDOWS | 3.0★ (2) | 12 mi |
| J&A Home Improvement services LLC | 5.0★ (2) | 8 mi |
| JAT Construction, Inc. | In Olney | |
| Lanigan Enterprises Inc. | 3.0★ (2) | 8 mi |
| Mendez Fences and Decks | 5.0★ (2) | 17 mi |
| Nolan Home Improvement | 5.0★ (20) | In Olney |
| Resource Contractors | 1.3★ (6) | In Olney |
| Shut it LLC | In Olney | |
| TLEEF Electric | 4.9★ (64) | In Olney |
| Vali Builds | 5.0★ (2) | 22 mi |
| Victoriano Home Improvement LLC | 5.0★ (2) | 10 mi |
| Whitehouse Home Improvements | 4.0★ (2) | 13 mi |
| Winfield Builders | 5.0★ (39) | In Olney |
Typical prices in USD, adjusted for Maryland with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Deck building | $4,370 | $8,380 | $12,750 | Per deck: typical range of customer-reported projects. US national range × 1.01 South Atlantic factor (2025 Cost vs. Value Report) | October 2026 |
We scored 448 Olney 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 Olney 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 |