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Best Window Installers in Sparta, NJ (2026)

461 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Sparta: Window MD, CR Score 88/100; 5.0★ from 76 Google reviews; open 24/7.

  2. 4

    Best for emergencies (open 24/7): PRO-TECH WINDOWS & DOORS LLC, posts 24/7 hours; ranked #4 of 461.

  3. 13

    Most-reviewed: PJ Fitzpatrick, 2,199 Google reviews at 4.8★, the most of 461 ranked; ranked #13.

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

461 Sparta window installers are ranked here by CR Score, from 8 published factors. 81 are open 24/7, 320 open Saturdays and 147 open Sundays, based on posted hours. The median Google rating is 4.9★ across 461 rated businesses.

Top 10 window installers in Sparta at a glance

Top 10 window installers in Sparta at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Window MD885.0★ (76)West Milford, 14 mi away24/7Overall
2Tri County Screen Repair875.0★ (250)East Hanover, 15 mi away——
3Renewal by Andersen of Eastern NY864.9★ (1,110)Middletown, 31 mi awaySat · Sun · Evenings—
4PRO-TECH WINDOWS & DOORS LLC855.0★ (42)Hawthorne, 26 mi away24/7Emergencies
5Exclusive Window Cleaning & Pressure Washing845.0★ (81)Dover, 12 mi away24/7—
6Star Windows Doors Siding and Roofing845.0★ (41)Carlstadt, 30 mi away24/7—
7Northern Windows, Siding, Roofing and Insulation845.0★ (263)Goshen, 29 mi away24/7—
8Star Windows, Doors & Roofing835.0★ (168)Carlstadt, 30 mi awaySat · Sun · Evenings—
9Monk's Home Improvements834.8★ (640)Bernardsville, 18 mi awaySat—
10DeFalco Roofing835.0★ (303)Fairfield, 21 mi away24/7—

The 461 best window installers in Sparta, ranked

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

  1. Ranked #1 in Sparta

    #1 Window MD

    Based in West Milford, 14 mi away

    88/100CR Score

    Ranked #1 because of its Google rating and availability: 5.0★ from 76 Google reviews, open 24/7.

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

    • 5.0★ from 76 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Window MD(201) 466-3544

  3. #3 Renewal by Andersen of Eastern NY

    Based in Middletown, 31 mi away

    86/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.9★ from 1,110 Google reviews, listed on Google as “Window installation service”.

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

    • 4.9★ from 1,110 Google reviews
    Hours
    Mon–Fri 8 AM–8 PM · Sat 8:30 AM–5 PM · Sun 8:30 AM–1:30 PM
    Address
    28 Fair Ave, Middletown, NY 10940
    View profile for Renewal by Andersen of Eastern NY(845) 245-2699

  9. #9 Monk's Home Improvements

    Based in Bernardsville, 18 mi away

    83/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.8★ from 640 Google reviews, listed on Google as “Window installation service”.

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

    • 4.8★ from 640 Google reviews
    Hours
    Mon–Fri 7:30 AM–6 PM · Sat 9 AM–5 PM · Sun closed
    View profile for Monk's Home Improvements(973) 635-7900

  10. #10 DeFalco Roofing

    Based in Fairfield, 21 mi away

    83/100CR Score

    Ranked #10 because of its Google rating and availability: 5.0★ from 303 Google reviews, open 24/7.

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

    • 5.0★ from 303 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    17 Club Rd, Fairfield, NJ 07004
    View profile for DeFalco Roofing(973) 255-0374

  11. #11 Window Repair US Inc

    Based in Manhattan, 39 mi away

    83/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.9★ from 412 Google reviews, listed on Google as “Window installation service”.

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

    • 4.9★ from 412 Google reviews
    Hours
    Mon–Sun 6 AM–11:30 PM
    Address
    101 6th Ave 8th Floor Suite #807, New York, NY 10013
    View profile for Window Repair US Inc(929) 233-4903

  13. #13 PJ Fitzpatrick

    Based in Parsippany, 15 mi away

    82/100CR Score

    Ranked #13 because of its Google rating and review volume: 4.8★ from 2,199 Google reviews, the most Google reviews on this list (2,199).

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

    • 4.8★ from 2,199 Google reviews
    Hours
    Mon–Fri 8 AM–9 PM · Sat–Sun 8 AM–6:30 PM
    Address
    2 Cranberry Rd A5, Parsippany, NJ 07054
    View profile for PJ Fitzpatrick(866) 868-3501

  14. #14 Best Builder Construction

    Based in Garfield, 30 mi away

    82/100CR Score

    Ranked #14 because of its Google rating and trade focus: 5.0★ from 81 Google reviews, listed on Google as “Window installation service”.

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

    • 5.0★ from 81 Google reviews
    Hours
    Mon–Sat 8 AM–6 PM · Sun 10 AM–4 PM
    Address
    79 Chestnut St, Garfield, NJ 07026
    View profile for Best Builder Construction(551) 966-5898

  15. #15 iHome Designs

    Based in Oakland, 21 mi away

    82/100CR Score

    Ranked #15 because of its Google rating and availability: 5.0★ from 176 Google reviews, open 24/7.

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

    • 5.0★ from 176 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    68 Hiawatha Blvd, Oakland, NJ 07436
    View profile for iHome Designs(551) 427-3613

  16. #16 Prime View Home Exteriors

    Based in Piscataway, 35 mi away

    81/100CR Score

    Ranked #16 because of its Google rating and trade focus: 5.0★ from 83 Google reviews, listed on Google as “Window installation service”.

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

    • 5.0★ from 83 Google reviews
    Hours
    Mon–Sun 7 AM–10:30 PM
    Address
    30 Knightsbridge Rd, Piscataway, NJ 08854
    View profile for Prime View Home Exteriors(973) 687-4544

  18. #18 Winstar Windows

    Based in Caldwell, 23 mi away

    81/100CR Score

    Ranked #18 because of its Google rating and trade focus: 5.0★ from 215 Google reviews, listed on Google as “Window installation service”.

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

    • 5.0★ from 215 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat 9 AM–4 PM · Sun closed
    Address
    219 Roseland Ave, Essex Fells, NJ 07021
    View profile for Winstar Windows(973) 576-5512

  20. #20 Taylor Rae Construction

    Based in Hopatcong, 13 mi away

    81/100CR Score

    Ranked #20 because of its Google rating and trade focus: 5.0★ from 92 Google reviews, listed on Google as “Window installation service”.

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

    • 5.0★ from 92 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat 9 AM–3 PM · Sun closed
    Address
    429 Rockaway Valley Rd, Boonton Township, NJ 07005
    View profile for Taylor Rae Construction(973) 394-0949

  23. #23 Morris Renovations Inc

    Based in Morristown, 18 mi away

    81/100CR Score

    Ranked #23 because of its Google rating and availability: 4.9★ from 118 Google reviews, open 24/7.

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

    • 4.9★ from 118 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    187 Speedwell Ave, Morristown, NJ 07960
    View profile for Morris Renovations Inc(973) 532-2677

  25. #25 Northkit Roofing & Siding

    Based in Cedar Grove, 24 mi away

    81/100CR Score

    Ranked #25 because of its Google rating and availability: 4.8★ from 308 Google reviews, open 24/7.

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

    • 4.8★ from 308 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10 Village Park Rd, Cedar Grove, NJ 07009
    View profile for Northkit Roofing & Siding(973) 319-8043

Window installers 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 461 ranked window installers here; the rest are on their profiles.

window installers in Sparta, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Infinity Replacement by Marvin814.8★ (176)39 mi
27ACRE Windows & Doors815.0★ (20)17 mi
28New America Construction805.0★ (120)24 mi
29Window World of North Jersey804.9★ (192)21 mi
30New Jersey Siding & Windows, Inc.804.8★ (164)15 mi
31Gunner Roofing804.8★ (49)9 mi
32Prestige Works Roofing & Siding804.9★ (346)33 mi
33Window Repair NYC804.9★ (704)39 mi
34Window Depot of North Jersey805.0★ (6)32 mi
35JEFF OF ALL TRADES804.9★ (29)27 mi
36USI Windows805.0★ (24)19 mi
37Allied Roofing and Construction LLC804.9★ (224)31 mi
38BG Window Cleaning805.0★ (134)37 mi
39Spic & Span Pros Power Washing, Window & Gutter Cleaning804.9★ (144)34 mi
40Essex Replacement Doors-Windows804.7★ (76)29 mi
41Precision Windows & Glass795.0★ (8)30 mi
42Triple 7 exteriors llc794.8★ (42)32 mi
43Window World of Jersey Coast794.9★ (670)39 mi
44Acre Windows & Doors794.6★ (157)37 mi
45Elite Roofing Contractor794.9★ (343)39 mi
46USA Construction LLC795.0★ (102)30 mi
47New Path Roofing795.0★ (53)22 mi
48Titan Roofing and Exterior Solutions Inc.795.0★ (60)24 mi
49C. C. Carpentry795.0★ (50)20 mi
50All Professional Remodeling Group795.0★ (58)25 mi

Also serving Sparta

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

Unranked window installers serving Sparta
BusinessGoogle ratingDistance
Above & Beyond Contracting4.9★ (147)In Sparta
CD Improvements LLC3.0★ (2)In Sparta
DKKM CONTRACT LLCIn Sparta
Eco Energy Options5.0★ (1)In Sparta
Frey Heating & Plumbing4.7★ (494)In Sparta
G & L Custom Home Improvements5.0★ (2)12 mi
G L Strom Company5.0★ (2)15 mi
GFC SERVICES4.5★ (18)In Sparta
Glass Flooring Systems, Inc3.0★ (2)In Sparta
K.O. Exteriors, LLC4.8★ (24)In Sparta
Morris Roofing & Siding1.0★ (1)In Sparta
MSK & Sons Construction5.0★ (29)In Sparta
Neat & Trimmed Painting Specialists5.0★ (2)12 mi
R. Poust Heating & Cooling Inc4.8★ (2,964)In Sparta
Redefined Lite Services5.0★ (2)15 mi
Sears Heating and Air Conditioning5.0★ (2)10 mi
Set-N-Stone Kitchen Bath & Flooring4.9★ (47)In Sparta
Sinclairs Services LLC5.0★ (57)In Sparta
Skylight Window Cleaning5.0★ (2)17 mi
Sparta Trades Kitchen & Baths4.8★ (44)In Sparta

How much do window installers cost in Sparta?

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

How much do window installers cost in Sparta?
JobLowTypicalHighBasisChecked
Window replacement$3,730$7,980$12,860Per project (several windows): typical range of customer-reported projects. US national range × 1.09 Middle Atlantic factor (2025 Cost vs. Value Report)October 2026

How we ranked Sparta window installers

We scored 461 Sparta window installers 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 Sparta 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

Window installers in Sparta: frequently asked questions

Who is the best window installer in Sparta?

By CR Score, the highest-ranked window installer in Sparta, NJ is Window MD with a CR Score of 88/100. It has 5.0★ from 76 Google reviews. It is open 24/7. Tri County Screen Repair (#2) and Renewal by Andersen of Eastern NY (#3) follow. We ranked 461 window installers on 8 factors, last updated October 22, 2026.

How many window installers are there in Sparta?

ContractorsRanked ranks 461 window installers serving Sparta, NJ. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.

Which window installers in Sparta are open 24/7?

81 ranked window installers in Sparta post 24/7 hours. The highest-ranked are Window MD (#1), PRO-TECH WINDOWS & DOORS LLC (#4) and Exclusive Window Cleaning & Pressure Washing (#5). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which window installers in Sparta work on weekends?

320 of 461 ranked window installers post Saturday hours and 147 post Sunday hours. The highest-ranked open Saturdays are Window MD (#1), Renewal by Andersen of Eastern NY (#3) and PRO-TECH WINDOWS & DOORS LLC (#4). Posted hours are office hours; crews may book weekend jobs separately.

How much does window replacement cost in Sparta?

Window replacement typically costs $3,730 to $12,860, with $7,980 typical (Per project (several windows): typical range of customer-reported projects. US national range × 1.09 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 Sparta window installers have?

The median Google rating among 461 rated window installers in Sparta is 4.9★, with a median of 27 reviews. PJ Fitzpatrick has the most, 2,199 reviews, and ranks #13. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank window installers?

Each window installer 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 window installers outside Sparta count in this ranking?

Yes, if they are within 40 mi of the Sparta city center, our service radius for window installers. 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 Sparta

  1. October 2026: CR Scores recalculated for 461 window installers serving Sparta.
  2. October 2026: 3 duplicate listings merged.

More window installers and Sparta pages

Other trades in Sparta