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Best Window Installers in Wilmington, DE (2026)

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

The short answer

  1. 1

    Best overall in Wilmington: Renewal by Andersen Window Replacement, CR Score 62/100; 4.9★ from 5,896 Google reviews; open 7 days a week.

  2. 2

    Best for emergencies (open 24/7): Smart Shield Windows, posts 24/7 hours; ranked #2 of 438.

  3. 5

    Most-reviewed: PJ Fitzpatrick, 12,968 Google reviews at 4.8★, the most of 438 ranked; ranked #5.

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

438 Wilmington window installers are ranked here by CR Score, from ten published factors. 56 are open 24/7, 271 open Saturdays and 119 open Sundays, based on posted hours. The median Google rating is 4.9★ across 438 rated businesses.

Top 10 window installers in Wilmington at a glance

Top 10 window installers in Wilmington at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Renewal by Andersen Window Replacement624.9★ (5,896)King of Prussia, 26 mi awaySat · Sun · EveningsOverall
2Smart Shield Windows615.0★ (346)Camden, 16 mi away24/7Emergencies
3Window Nation614.7★ (4,668)Pennsauken, 32 mi away24/7—
4Hargrave Contractors, LLC595.0★ (75)Glassboro, 14 mi away24/7—
5PJ Fitzpatrick594.8★ (12,968)New Castle, 4 mi awaySat · Sun · EveningsMost reviews
6Renewal by Andersen Window Replacement594.9★ (193)Newark, 13 mi awaySat · Sun · Evenings—
71st Class Glass LLC594.7★ (18)Wilmington24/7—
8Standard Fence Company584.8★ (237)Clifton Heights, 25 mi away24/7—
9Chapman Windows Doors & Siding584.9★ (316)West Chester, 14 mi awaySat—
10Infinity Replacement by Marvin574.8★ (73)King of Prussia, 11 mi awaySat · Sun · Evenings—

The 438 best window installers in Wilmington, ranked

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

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  3. #3 Window Nation

    Based in Pennsauken, 32 mi away

    61/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.7★ from 4,668 Google reviews, listed on Google as “Window installation service”.

    • 4.7★ from 4,668 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9256 Commerce Hwy, Pennsauken, NJ 08110
    View profile for Window Nation(856) 566-7200

  5. #5 PJ Fitzpatrick

    Based in New Castle, 4 mi away

    59/100CR Score

    Ranked #5 because of its Google rating and review volume: 4.8★ from 12,968 Google reviews, the most in Wilmington.

    • 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

  7. #7 1st Class Glass LLC

    Based in Wilmington

    59/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.7★ from 18 Google reviews, listed on Google as “Window installation service”.

    • 4.7★ from 18 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    108 A St, Wilmington, DE 19801
    View profile for 1st Class Glass LLC(302) 229-9203

  13. #13 Victory Home Remodeling

    Based in Cinnaminson, 34 mi away

    57/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.7★ from 371 Google reviews, listed on Google as “Window installation service”.

    • 4.7★ from 371 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    307 Fellowship Rd # 100, Mt Laurel Township, NJ 08054
    View profile for Victory Home Remodeling(888) 204-7510

  17. #17 The Window Place Plus

    Based in Collingswood, 28 mi away

    56/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.9★ from 141 Google reviews, listed on Google as “Window installation service”.

    • 4.9★ from 141 Google reviews
    Hours
    Mon–Fri 9 AM–9 PM · Sat 9 AM–8 PM · Sun 9 AM–7 PM
    Address
    900 Haddon Ave, Collingswood, NJ 08108
    View profile for The Window Place Plus(856) 216-1888

  18. #18 ARDMOR Windows & Doors

    Based in Willow Grove, 35 mi away

    56/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.9★ from 1,291 Google reviews, listed on Google as “Window installation service”.

    • 4.9★ from 1,291 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat 9 AM–12 PM · Sun closed
    Address
    1813 Easton Rd, Willow Grove, PA 19090
    View profile for ARDMOR Windows & Doors(267) 930-2001

  20. #20 Grimes Glass LLC

    Based in Aberdeen, 40 mi away

    56/100CR Score

    Ranked #20 because of its Google rating and trade focus: 5.0★ from 101 Google reviews, listed on Google as “Window installation service”.

    • 5.0★ from 101 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Grimes Glass LLC(240) 344-5515

  22. #22 Castle Windows

    Based in Haddonfield, 35 mi away

    56/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.2★ from 1,496 Google reviews, listed on Google as “Window installation service”.

    • 4.2★ from 1,496 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    109 Gaither Dr, Mt Laurel Township, NJ 08054
    View profile for Castle Windows(800) 360-4400

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

window installers in Wilmington, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26High Point Roofing & Remodeling554.9★ (491)15 mi
27Surf & Turf Roofing, Solar and Windows554.9★ (272)26 mi
28Shield-Tech Auto Glass555.0★ (11)In Wilmington
29Meticulous Blinds555.0★ (63)17 mi
30Graboyes Window & Door554.8★ (577)30 mi
31Energy Windows, Doors and More554.6★ (247)30 mi
32Zen Windows Philadelphia554.8★ (94)28 mi
33Newport Builders Windowland, Inc.554.8★ (90)4 mi
34Thompson Creek Window Company554.7★ (114)27 mi
35Spring House Window & Door - Hockessin, DE554.8★ (36)9 mi
36Fast Glass LLC554.9★ (62)5 mi
37Iconic Roofing & Exteriors554.9★ (142)6 mi
38Piazza Brothers Construction & Chimney555.0★ (151)10 mi
39Renewal by Andersen Window Replacement554.6★ (116)26 mi
40Glass Doctor of Delaware554.6★ (180)6 mi
41Lane Roofing & Exteriors554.8★ (84)In Wilmington
42Window Genie of W Wilmington Newark and Kennett Square555.0★ (102)13 mi
43ACRE Windows554.6★ (458)37 mi
44STK Construction555.0★ (103)37 mi
45Roko European Windows & Doors555.0★ (18)18 mi
46New Castle Glass (24/7 Emergency Glass Service)554.6★ (22)4 mi
47VISION CREATOR LLC545.0★ (25)13 mi
48A to Z Glass and Mirror544.7★ (92)17 mi
49ARDMOR Windows & Doors544.9★ (58)23 mi
50American Construction Roofing, Siding and Windows545.0★ (185)33 mi

Also serving Wilmington

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 Wilmington
BusinessGoogle ratingDistance
Adam Basement Waterproofing4.8★ (142)In Wilmington
Basement Gurus LLC4.9★ (283)In Wilmington
Benjamin Franklin Plumbing of Wilmington DE4.9★ (3,042)In Wilmington
Calahan Bath, Kitchen and Sunrooms4.8★ (56)In Wilmington
CertaPro Painters of Delaware4.8★ (470)In Wilmington
Delaware Express Garage Door Service, LLC4.8★ (706)In Wilmington
Delaware Painting Pros5.0★ (32)In Wilmington
DiSabatino Landscaping4.7★ (204)In Wilmington
ERCO Ceilings & Interiors4.9★ (17)In Wilmington
Foos Construction Roofing & Exteriors5.0★ (26)In Wilmington
Frank J. Devonshire General Contracting4.8★ (103)In Wilmington
M. Ramone Contracting5.0★ (20)In Wilmington
One Hour Heating & Air Conditioning® of Wilmington De4.9★ (3,009)In Wilmington
Reliable Maintenance LLC5.0★ (109)In Wilmington
Rock Roof LLC4.9★ (109)In Wilmington
Roto-Rooter Plumbing & Water Cleanup4.8★ (871)In Wilmington
Stein Tree Service4.7★ (90)In Wilmington
Strobert Tree Services4.5★ (337)In Wilmington
The Restoration Group4.9★ (142)In Wilmington
Two Brothers Roofing4.9★ (126)In Wilmington

How much do window installers cost in Wilmington?

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

How much do window installers cost in Wilmington?
JobLowTypicalHighBasisChecked
Window replacement$3,370$7,200$11,600Per project (several windows): typical range of customer-reported projects. US national range × 0.98 South Atlantic factor (2025 Cost vs. Value Report)October 2026

How we ranked Wilmington window installers

We scored 438 Wilmington window installers on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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 Wilmington data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Window installers in Wilmington: frequently asked questions

Who is the best window installer in Wilmington?

By CR Score, the highest-ranked window installer in Wilmington, DE is Renewal by Andersen Window Replacement with a CR Score of 62/100. It has 4.9★ from 5,896 Google reviews. It is open 7 days a week. Smart Shield Windows (#2) and Window Nation (#3) follow. We ranked 438 window installers on ten factors, last updated October 22, 2026.

How many window installers are there in Wilmington?

ContractorsRanked ranks 438 window installers serving Wilmington, DE. 4 of them are based in Wilmington; 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 window installers in Wilmington are open 24/7?

56 ranked window installers in Wilmington post 24/7 hours. The highest-ranked are Smart Shield Windows (#2), Window Nation (#3) and Hargrave Contractors, LLC (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which window installers in Wilmington work on weekends?

271 of 438 ranked window installers post Saturday hours and 119 post Sunday hours. The highest-ranked open Saturdays are Renewal by Andersen Window Replacement (#1), Smart Shield Windows (#2) and Window Nation (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does window replacement cost in Wilmington?

Window replacement typically costs $3,370 to $11,600, with $7,200 typical (Per project (several windows): typical range of customer-reported projects. US national range × 0.98 South Atlantic factor (2025 Cost vs. Value Report)). The range is adjusted for Delaware. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Wilmington window installers have?

The median Google rating among 438 rated window installers in Wilmington is 4.9★, with a median of 37 reviews. PJ Fitzpatrick has the most, 12,968 reviews, and ranks #5. 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 ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do window installers outside Wilmington count in this ranking?

Yes, if they are within 40 mi of the Wilmington 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 Wilmington

  1. October 2026: CR Scores recalculated for 438 window installers serving Wilmington.
  2. October 2026: 1 duplicate listing merged.

More window installers and Wilmington pages

Other trades in Wilmington