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Best Deck Builders in Janesville, WI (2026)

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

The short answer

  1. 1

    Best overall in Janesville: Cutting Edge of Wisconsin LLC, CR Score 84/100; 4.5★ from 66 Google reviews; open 24/7.

  2. 3

    Best for emergencies (open 24/7): Legan Construction & Remodeling, posts 24/7 hours; ranked #3 of 30.

  3. 11

    Most-reviewed: Castle Contracting, 150 Google reviews at 4.9★, the most of 30 ranked; ranked #11.

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

30 Janesville deck builders are ranked here by CR Score, from 8 published factors. 5 are open 24/7, 14 open Saturdays and 10 open Sundays, based on posted hours. The median Google rating is 4.6★ across 30 rated businesses.

Top 10 deck builders in Janesville at a glance

Top 10 deck builders in Janesville at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Cutting Edge of Wisconsin LLC844.5★ (66)Janesville24/7Overall
2DMR Exteriors835.0★ (62)JanesvilleSat · Sun · Evenings—
3Legan Construction & Remodeling814.7★ (12)Janesville24/7Emergencies
4Bello property services llc795.0★ (18)JanesvilleSat · Sun · Evenings—
5Nathan's Creations774.3★ (40)Fort Atkinson, 20 mi away24/7—
6OnDeck Exteriors775.0★ (3)Rockton, 15 mi away24/7—
7Armadillos Contracting LLC764.3★ (9)Beloit, 11 mi away24/7—
8Ahrens Custom Decks Inc.753.9★ (7)Janesville——
9Kurt's Hardwood Flooring744.4★ (24)Roscoe, 16 mi awaySat · Sun · Evenings—
10Max construction services llc734.9★ (7)Beloit, 11 mi awaySat · Sun · Evenings—

The 30 best deck builders in Janesville, ranked

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

  2. #2 DMR Exteriors

    Based in Janesville

    83/100CR Score

    Ranked #2 because of its Google rating and review volume: 5.0★ from 62 Google reviews, 62 Google reviews.

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

    • 5.0★ from 62 Google reviews
    Hours
    Mon–Sun 7 AM–7 PM
    Address
    6811 W Thornapple Dr, Janesville, WI 53548
    View profile for DMR Exteriors(608) 931-6062

  4. #4 Bello property services llc

    Based in Janesville

    79/100CR Score

    Ranked #4 because of its Google rating and availability: 5.0★ from 18 Google reviews, open 7 days a week.

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

    • 5.0★ from 18 Google reviews
    Hours
    Mon 6:30 AM–6 PM · Tue–Wed 6 AM–8 PM · Thu–Sun 6 AM–6 PM
    Address
    1516 Bobwhite Ln, Janesville, WI 53546
    View profile for Bello property services llc(608) 607-2252

  5. #5 Nathan's Creations

    Based in Fort Atkinson, 20 mi away

    77/100CR Score

    Ranked #5 because of its Google rating and availability: 4.3★ from 40 Google reviews, open 24/7.

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

    • 4.3★ from 40 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    601 W Blackhawk Dr Apt 3, Fort Atkinson, WI 53538
    View profile for Nathan's Creations(920) 397-2729

  6. #6 OnDeck Exteriors

    Based in Rockton, 15 mi away

    77/100CR Score

    Ranked #6 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Deck builder”.

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

    • 5.0★ from 3 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1116 Cannell Ct, Rockton, IL 61072
    View profile for OnDeck Exteriors(815) 779-1008

  9. #9 Kurt's Hardwood Flooring

    Based in Roscoe, 16 mi away

    74/100CR Score

    Ranked #9 because of its Google rating and availability: 4.4★ from 24 Google reviews, open 7 days a week.

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

    • 4.4★ from 24 Google reviews
    Hours
    Mon–Fri 9 AM–7 PM · Sat 9 AM–5 PM · Sun 9 AM–3 PM
    Address
    6768 E Rockton Rd, Roscoe, IL 61073
    View profile for Kurt's Hardwood Flooring(815) 298-5161

  11. #11 Castle Contracting

    Based in Machesney Park, 21 mi away

    73/100CR Score

    Ranked #11 because of its Google rating and review volume: 4.9★ from 150 Google reviews, the most Google reviews on this list (150).

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

    • 4.9★ from 150 Google reviews
    Hours
    Mon–Fri 7 AM–6 PM · Sat–Sun closed
    Address
    10565 Product Dr Suite A1, Machesney Park, IL 61115
    View profile for Castle Contracting(877) 512-4207

  12. #12 Helsper and Sons GC LLC

    Based in South Beloit, 19 mi away

    72/100CR Score

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

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

    • 5.0★ from 12 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat–Sun closed
    View profile for Helsper and Sons GC LLC(815) 997-0333

  14. #14 Davis Painting & DeckCare

    Based in Machesney Park, 13 mi away

    72/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.6★ from 13 Google reviews, listed on Google as “Construction company”.

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

    • 4.6★ from 13 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat 8 AM–4 PM · Sun closed
    View profile for Davis Painting & DeckCare(815) 601-6187

  15. #15 JC Builders Inc

    Based in Janesville

    72/100CR Score

    Ranked #15 because of its Google rating and review volume: 4.6★ from 28 Google reviews, 28 Google reviews.

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

    • 4.6★ from 28 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    633 S Franklin St, Janesville, WI 53548
    View profile for JC Builders Inc(608) 755-7722

  16. #16 White Oak Construction, Inc.

    Based in Janesville

    72/100CR Score

    Ranked #16 because of its Google rating and review volume: 4.3★ from 12 Google reviews, 12 Google reviews.

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

    • 4.3★ from 12 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat 9 AM–1:30 PM · Sun closed
    Address
    216 N Terrace St, Janesville, WI 53548
    View profile for White Oak Construction, Inc.(608) 754-7331

  17. #17 DBR Builders Inc.

    Based in Beloit, 11 mi away

    71/100CR Score

    Ranked #17 because of its Google rating and availability: 3.7★ from 3 Google reviews, open 7 days a week.

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

    • 3.7★ from 3 Google reviews
    Hours
    Mon–Sat 8 AM–7 PM · Sun 10 AM–4 PM
    Address
    2201 S Afton Rd, Beloit, WI 53511
    View profile for DBR Builders Inc.(608) 207-0087

  18. #18 Midwest Deck Builders

    Based in Rockton, 15 mi away

    70/100CR Score

    Ranked #18 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Deck builder”.

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

    • 5.0★ from 5 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    1116 Cannell Ct, Rockton, IL 61072
    View profile for Midwest Deck Builders(815) 779-1008

  19. #19 VARO Fence and Deck

    Based in Roscoe, 16 mi away

    70/100CR Score

    Ranked #19 because of its Google rating and review volume: 4.2★ from 64 Google reviews, 64 Google reviews.

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

    • 4.2★ from 64 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    12905 N 2nd St UNIT A, Roscoe, IL 61073
    View profile for VARO Fence and Deck(779) 348-8211

  24. #24 TOTAL BUILDERS LLC

    Based in Beloit, 8 mi away

    65/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Roofing contractor”.

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

    • 4.3★ from 6 Google reviews
    Hours
    Mon–Tue 7 AM–5 PM · Wed 7 AM–5:30 PM · Thu–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    728 E Philhower Rd, Beloit, WI 53511
    View profile for TOTAL BUILDERS LLC(920) 248-6767

  25. #25 Ez Exteriors

    Based in Loves Park, 15 mi away

    64/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Roofing contractor”.

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

    • 5.0★ from 6 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    View profile for Ez Exteriors(815) 543-4425

All 30 deck builders

#1 to #25 are shown in full above. Here are #26 to #30, in CR Score order; each links to its profile.

deck builders in Janesville, ranks 26 to 30
RankBusinessCR ScoreGoogle ratingDistance
26FULL COVERAGE Handyman & Painting644.4★ (19)22 mi
27Legacy Custom Remodeling635.0★ (9)25 mi
28Cook Construction & Design Llc634.1★ (8)20 mi
29Anthony Seamless Gutter - Rockford Home Repair614.0★ (8)23 mi
30Jay's Custom Construction, Inc.592.0★ (4)18 mi

Also serving Janesville

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.

Unranked deck builders serving Janesville
BusinessGoogle ratingDistance
A Jack Of All Trades3.5★ (37)In Janesville
Accelerated Plumbing and Electric4.8★ (19)In Janesville
Advanced Construction of Janesville4.4★ (13)In Janesville
American Paint & Paper5.0★ (69)In Janesville
Angels Concrete4.5★ (43)In Janesville
ATC Remodeling4.9★ (52)In Janesville
Center Construction, L.L.C.4.4★ (30)In Janesville
City Glass Company, Inc.4.8★ (52)In Janesville
Complete RE Services LLC4.8★ (19)In Janesville
Distinct Exteriors & Roofer in Janesville4.9★ (35)In Janesville
Evergreen Designs Inc4.4★ (17)In Janesville
Lea's Lawn Care5.0★ (65)In Janesville
Marklein Builders Inc4.6★ (15)In Janesville
Martindale Pinnacle Construction4.2★ (86)In Janesville
Naturescape Lawn and Landscape Care4.3★ (156)In Janesville
Polytek Midwest3.5★ (17)In Janesville
Roofing Guy Janesville4.7★ (15)In Janesville
Simmons Fence & Specialty Products, L.L.C.4.8★ (168)In Janesville
Tuescher Painting & Drywall Finishing5.0★ (35)In Janesville
Wickersham Construction LLC5.0★ (14)In Janesville

How much do deck builders cost in Janesville?

Typical prices in USD, adjusted for Wisconsin with a published regional index. Each row names its basis and month.

How much do deck builders cost in Janesville?
JobLowTypicalHighBasisChecked
Deck building$4,300$8,240$12,530Per deck: typical range of customer-reported projects. US national range × 0.99 East North Central factor (2025 Cost vs. Value Report)October 2026

How we ranked Janesville deck builders

We scored 30 Janesville 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 Janesville 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 Janesville: frequently asked questions

Who is the best deck builder in Janesville?

By CR Score, the highest-ranked deck builder in Janesville, WI is Cutting Edge of Wisconsin LLC with a CR Score of 84/100. It has 4.5★ from 66 Google reviews. It is open 24/7. DMR Exteriors (#2) and Legan Construction & Remodeling (#3) follow. We ranked 30 deck builders on 8 factors, last updated October 22, 2026.

How many deck builders are there in Janesville?

ContractorsRanked ranks 30 deck builders serving Janesville, WI. 8 of them are based in Janesville; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which deck builders in Janesville are open 24/7?

5 ranked deck builders in Janesville post 24/7 hours. The highest-ranked are Cutting Edge of Wisconsin LLC (#1), Legan Construction & Remodeling (#3) and Nathan's Creations (#5). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which deck builders in Janesville work on weekends?

14 of 30 ranked deck builders post Saturday hours and 10 post Sunday hours. The highest-ranked open Saturdays are Cutting Edge of Wisconsin LLC (#1), DMR Exteriors (#2) and Legan Construction & Remodeling (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does deck building cost in Janesville?

Deck building typically costs $4,300 to $12,530, with $8,240 typical (Per deck: typical range of customer-reported projects. US national range × 0.99 East North Central factor (2025 Cost vs. Value Report)). The range is adjusted for Wisconsin. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Janesville deck builders have?

The median Google rating among 30 rated deck builders in Janesville is 4.6★, with a median of 9 reviews. Castle Contracting has the most, 150 reviews, and ranks #11. 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 Janesville count in this ranking?

Yes, if they are within 25 mi of the Janesville city center, 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.

Update log for Janesville

  1. October 2026: CR Scores recalculated for 30 deck builders serving Janesville.

More deck builders and Janesville pages

Other trades in Janesville