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Best Roofers in Williamstown, NJ (2026)

1,365 roofers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Williamstown: Emmons Roofing & Siding, CR Score 90/100; 4.7★ from 449 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Mighty Dog Roofing of South Jersey, posts 24/7 hours; ranked #2 of 1,365.

  3. 20

    Most-reviewed: PJ Fitzpatrick, 12,968 Google reviews at 4.8★, the most of 1,365 ranked; ranked #20.

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

1,365 Williamstown roofers are ranked here by CR Score, from 8 published factors. 343 are open 24/7, 930 open Saturdays and 554 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,365 rated businesses.

Top 10 roofers in Williamstown at a glance

Top 10 roofers in Williamstown at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Emmons Roofing & Siding904.7★ (449)Williamstown24/7Overall
2Mighty Dog Roofing of South Jersey894.9★ (166)Glassboro, 4 mi away24/7Emergencies
3Viking Roofing New Jersey894.9★ (155)Sicklerville, 4 mi away24/7—
4Ken Morton Roofing & Siding894.9★ (129)Clayton, 4 mi away24/7—
5High Point Roofing & Remodeling894.9★ (491)Carneys Point, 17 mi away24/7—
6Ultimate Improvements, LLC894.8★ (172)Clayton, 3 mi away24/7—
7Eclipse Home Solutions894.9★ (94)Atco, 3 mi away24/7—
8Surf & Turf Roofing, Solar and Windows894.9★ (272)Bellmawr, 14 mi away24/7—
9American Construction Roofing, Siding and Windows885.0★ (185)Ashland, 15 mi away24/7—
10Ameritech Services884.9★ (197)Carneys Point, 12 mi away24/7—

The 1,365 best roofers in Williamstown, ranked

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.

  10. #10 Ameritech Services

    Based in Carneys Point, 12 mi away

    88/100CR Score

    Ranked #10 because of its Google rating and availability: 4.9★ from 197 Google reviews, open 24/7.

    • 4.9★ from 197 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    467 Fislerville Rd, Mullica Hill, NJ 08062
    View profile for Ameritech Services(856) 418-1029

  12. #12 Gasper Roofing

    Based in Camden, 19 mi away

    88/100CR Score

    Ranked #12 because of its Google rating and availability: 4.8★ from 506 Google reviews, open 24/7.

    • 4.8★ from 506 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    59 W Maple Ave, Merchantville, NJ 08109
    View profile for Gasper Roofing(856) 786-9333

  13. #13 Big Joe's Roofing

    Based in Philadelphia, 24 mi away

    88/100CR Score

    Ranked #13 because of its Google rating and availability: 4.9★ from 451 Google reviews, open 24/7.

    • 4.9★ from 451 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7352 Melrose St, Philadelphia, PA 19136
    View profile for Big Joe's Roofing(267) 310-7303

  15. #15 Sun Roofing

    Based in Atco, 6 mi away

    88/100CR Score

    Ranked #15 because of its Google rating and availability: 4.8★ from 108 Google reviews, open 24/7.

    • 4.8★ from 108 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    79 Shultz Ave, Erial, NJ 08081
    View profile for Sun Roofing(856) 784-8040

  16. #16 Veterans Roofing

    Based in Northfield, 31 mi away

    88/100CR Score

    Ranked #16 because of its Google rating and availability: 5.0★ from 558 Google reviews, open 24/7.

    • 5.0★ from 558 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    331 Tilton Rd Suite 23-24, Northfield, NJ 08225
    View profile for Veterans Roofing(609) 966-9050

  20. #20 PJ Fitzpatrick

    Based in New Castle, 31 mi away

    87/100CR Score

    Ranked #20 because of its Google rating and review volume: 4.8★ from 12,968 Google reviews, the most Google reviews on this list (12,968).

    • 4.8★ from 12,968 Google reviews
    Hours
    Mon–Fri 8 AM–9 PM · Sat–Sun 8 AM–6:30 PM
    Address
    21 Industrial Blvd, New Castle, DE 19720
    View profile for PJ Fitzpatrick(866) 858-5928

  21. #21 Pace Roofing LLC

    Based in Philadelphia, 22 mi away

    87/100CR Score

    Ranked #21 because of its Google rating and availability: 4.9★ from 209 Google reviews, open 24/7.

    • 4.9★ from 209 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4330 Pearce St, Philadelphia, PA 19124
    View profile for Pace Roofing LLC(267) 548-4147

  22. #22 Done Right Roofing

    Based in Bellmawr, 16 mi away

    87/100CR Score

    Ranked #22 because of its Google rating and availability: 4.9★ from 105 Google reviews, open 24/7.

    • 4.9★ from 105 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    221 Connecticut Ave, Cherry Hill Township, NJ 08002
    View profile for Done Right Roofing(856) 254-2122

  23. #23 Top Tier Roofing

    Based in Philadelphia, 18 mi away

    87/100CR Score

    Ranked #23 because of its Google rating and availability: 4.9★ from 127 Google reviews, open 24/7.

    • 4.9★ from 127 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    200 Jackson St, Philadelphia, PA 19148
    View profile for Top Tier Roofing(215) 330-2664

Roofers ranked #26 to #50

#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 1,365 ranked roofers here; the rest are on their profiles.

roofers in Williamstown, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Disaster Solutions Inc875.0★ (260)30 mi
27Piazza Brothers Construction & Chimney875.0★ (151)25 mi
28Spartan Exteriors865.0★ (25)6 mi
29Xpert Xterior865.0★ (42)12 mi
30Airborne Roofing864.9★ (28)6 mi
31Gaines Roofing865.0★ (39)12 mi
32Greenawalt Roofing Company864.8★ (117)16 mi
33Level Roofing Company865.0★ (30)9 mi
34Tycos Roofing and Siding864.9★ (349)31 mi
35Home Genius Exteriors864.8★ (1,092)16 mi
36FM & Loonstyn Roofing864.8★ (208)22 mi
37G. Fedale Roofing and Siding864.8★ (718)33 mi
38Milford Roofing865.0★ (36)12 mi
39Pace Roofing LLC865.0★ (47)16 mi
40Roof Advisors865.0★ (12)1 mi
41Apex Commercial Roofing LLC865.0★ (55)18 mi
42National Construction & Roofing LLC865.0★ (23)9 mi
43Duane Mainardi Roofing LLC865.0★ (151)9 mi
44JV Roofing & Exteriors864.9★ (54)15 mi
45Madden Roofing865.0★ (34)13 mi
46Panda Exteriors864.9★ (398)15 mi
47High Point Roofing & Remodeling864.9★ (51)16 mi
48SlateSafe Roofing865.0★ (38)15 mi
49Al's Group Roofing854.9★ (51)16 mi
50Berman Roof & Leak Repairs855.0★ (41)16 mi

Also serving Williamstown

20 more roofers within 40 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

Unranked roofers serving Williamstown
BusinessGoogle ratingDistance
A.R.P. RenovationIn Williamstown
Aamco Roofing3.0★ (2)12 mi
AJ Defelice Roofing & Concrete2.0★ (2)13 mi
Alper Enterprises4.5★ (2)14 mi
American Construction Roofing, Siding and Windows5.0★ (143)15 mi
C&C Family Roofing & Siding4.8★ (645)35 mi
Copperworks Metal Roofing Inc5.0★ (2)8 mi
Daniel Russo Roofing5.0★ (2)11 mi
Erie Home4.7★ (173)20 mi
Four Leaf Restoration Waterproofing and Mold Remediation5.0★ (51)In Williamstown
G&C SOLUTIONS LLC3.0★ (2)6 mi
Garrison Roofing South Jersey5.0★ (2)15 mi
MARINO General Construction, Inc.In Williamstown
Morrison Commercial CoatingsIn Williamstown
Munz Roofing and Siding4.7★ (593)30 mi
O'Handlon & Son's Roofing5.0★ (2)10 mi
ORIGINAL ROOFING LLC5.0★ (2)14 mi
Property Recovery 9115.0★ (6)In Williamstown
Reliable Contracting5.0★ (2)14 mi
Ted's Roofing3.0★ (2)13 mi

How much do roofers cost in Williamstown?

Typical prices in USD: adjusted for New Jersey where a published index exists, national otherwise. Each row names its basis.

How much do roofers cost in Williamstown?
JobLowTypicalHighBasisChecked
Roof replacement$8,750$11,670$16,340Per project: asphalt shingles on a 1,700 sq ft home (about 2,000 sq ft of roof). US national range × 1.17 Middle Atlantic factor (2025 Cost vs. Value Report)October 2026
Roof repair$395$1,174$1,968Per repair: typical range of customer-reported jobs. US national rangeOctober 2026

How to check a roofer's license in New Jersey

In New Jersey, New Jersey Division of Consumer Affairs, Home Improvement Contractors licenses Home improvement contractor registration for residential roofing.

  1. Search the business name or license number on the New Jersey Division of Consumer Affairs, Home Improvement Contractors license lookup.
  2. Check that the status is active and the name matches the contract or truck.
  3. Ask for proof of insurance before work starts.

No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.

Guide checked October 2026. How we verify licenses

When to hire a roofer in New Jersey

Roofers are busiest from late spring to early fall, so booking in winter usually means shorter waits. After a big storm, get more than one quote and check the license or registration before signing.

How we ranked Williamstown roofers

We scored 1,365 Williamstown roofers 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 Williamstown 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

Roofers in Williamstown: frequently asked questions

Who is the best roofer in Williamstown?

By CR Score, the highest-ranked roofer in Williamstown, NJ is Emmons Roofing & Siding with a CR Score of 90/100. It has 4.7★ from 449 Google reviews. It is open 24/7. Mighty Dog Roofing of South Jersey (#2) and Viking Roofing New Jersey (#3) follow. We ranked 1,365 roofers on 8 factors, last updated October 22, 2026.

How many roofers are there in Williamstown?

ContractorsRanked ranks 1,365 roofers serving Williamstown, NJ. 1 of them is based in Williamstown; the rest serve it from nearby towns. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.

Which roofers in Williamstown are open 24/7?

343 ranked roofers in Williamstown post 24/7 hours. The highest-ranked are Emmons Roofing & Siding (#1), Mighty Dog Roofing of South Jersey (#2) and Viking Roofing New Jersey (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which roofers in Williamstown work on weekends?

930 of 1,365 ranked roofers post Saturday hours and 554 post Sunday hours. The highest-ranked open Saturdays are Emmons Roofing & Siding (#1), Mighty Dog Roofing of South Jersey (#2) and Viking Roofing New Jersey (#3). Posted hours are office hours; crews may book weekend jobs separately.

How do I check a roofer's license in New Jersey?

In New Jersey, New Jersey Division of Consumer Affairs, Home Improvement Contractors handles licensing and covers Home improvement contractor registration for residential roofing. Search the business or license number at https://newjersey.mylicense.com/verification/.

How much does roof replacement cost in Williamstown?

Roof replacement typically costs $8,750 to $16,340, with $11,670 typical (Per project: asphalt shingles on a 1,700 sq ft home (about 2,000 sq ft of roof). US national range × 1.17 Middle Atlantic factor (2025 Cost vs. Value Report)). The range is adjusted for New Jersey. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Williamstown roofers have?

The median Google rating among 1,365 rated roofers in Williamstown is 4.9★, with a median of 20 reviews. PJ Fitzpatrick has the most, 12,968 reviews, and ranks #20. We adjust ratings for review count, so a few five-star reviews cannot top the list.

When is the best time to hire a roofer in Williamstown?

Roofers are busiest from late spring to early fall, so booking in winter usually means shorter waits. After a big storm, get more than one quote and check the license or registration before signing.

Update log for Williamstown

  1. October 2026: CR Scores recalculated for 1,365 roofers serving Williamstown.
  2. October 2026: 13 duplicate listings merged.

More roofers and Williamstown pages

Other trades in Williamstown