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ContractorsRanked

Best Window Installers in Southport, NY (2026)

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

The short answer

  1. 1

    Best overall in Southport: First Class Glass & Mirror, CR Score 62/100; 4.8★ from 66 Google reviews; open Saturdays until 5 PM.

  2. 11

    Most-reviewed: Augustine Construction, 47 Google reviews at 4.0★, the most of 14 ranked after First Class Glass & Mirror; ranked #11.

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

14 Southport window installers are ranked here by CR Score, from ten published factors. 3 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 4.3★ across 14 rated businesses.

Top 10 window installers in Southport at a glance

Top 10 window installers in Southport at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1First Class Glass & Mirror624.8★ (66)Elmira, 4 mi awaySatOverall
2Charles Window Company533.3★ (17)Elmira, 3 mi away——
3Energy Savers NY LLC514.2★ (5)Elmira, 2 mi away——
4Single Oak Renovations505.0★ (12)Monticello, 36 mi awayEvenings—
5Nova Windows & Doors494.4★ (14)Carlstadt, 36 mi awayEvenings—
6Smiths Design & Build Construction494.8★ (17)Elmira, 6 mi away——
7Vander-Built, LLC483.1★ (34)Southport——
8Dean's Construction473.7★ (12)Elmira, 3 mi away——
9Greenspun Building & Design, LLC | Home Renovations & Additions465.0★ (3)Ithaca, 32 mi awayEvenings—
10PRO-LINE CONSTRUCTION464.0★ (4)Corning, 15 mi awaySat · Sun—

The 14 best window installers in Southport, 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.

  2. #2 Charles Window Company

    Based in Elmira, 3 mi away

    53/100CR Score

    Ranked #2 because of its Google rating and trade focus: 3.3★ from 17 Google reviews, listed on Google as “Window installation service”.

    • 3.3★ from 17 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    252 Clemens Center Pkwy, Elmira, NY 14901
    View profile for Charles Window Company(607) 732-1918

  3. #3 Energy Savers NY LLC

    Based in Elmira, 2 mi away

    51/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Window installation service”.

    • 4.2★ from 5 Google reviews
    Hours
    Mon–Fri 7 AM–4 PM · Sat–Sun closed
    Address
    809 Maple Ave, Elmira, NY 14904
    View profile for Energy Savers NY LLC(607) 732-7162

  10. #10 PRO-LINE CONSTRUCTION

    Based in Corning, 15 mi away

    46/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Roofing contractor”.

    • 4.0★ from 4 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun 8 AM–8 PM
    Address
    36 Stanton St, Painted Post, NY 14870
    View profile for PRO-LINE CONSTRUCTION(607) 654-3470

  13. #13 BSB Contracting LLC

    Based in Elmira, 5 mi away

    45/100CR Score

    Ranked #13 because of its Google rating and trade focus: 3.8★ from 6 Google reviews, listed on Google as “Contractor”.

    • 3.8★ from 6 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    141 Lynwood Ave, Elmira Heights, NY 14903
    View profile for BSB Contracting LLC(607) 426-0560

Also serving Southport

11 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 Southport
BusinessGoogle ratingDistance
A Creative Storefront & Mirror5.0★ (1)36 mi
BLS Construction5.0★ (1)39 mi
Brent Dyer LLC Construction5.0★ (1)39 mi
Bright Ideas by Martinec3.0★ (2)9 mi
C&J Home Improvement1 mi
C&S Home Builders and General Contractors27 mi
Comfort Windows5.0★ (1)31 mi
Drake Construction, LLC3.0★ (2)10 mi
Hopgart Construction LLC5.0★ (2)8 mi
Pella Window & Door32 mi
Unlimited Development Property Improvement1.0★ (1)8 mi

How much do window installers cost in Southport?

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

How much do window installers cost in Southport?
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 Southport window installers

We scored 14 Southport 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 Southport 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 Southport: frequently asked questions

Who is the best window installer in Southport?

By CR Score, the highest-ranked window installer in Southport, NY is First Class Glass & Mirror with a CR Score of 62/100. It has 4.8★ from 66 Google reviews. It is open Saturdays until 5 PM. Charles Window Company (#2) and Energy Savers NY LLC (#3) follow. We ranked 14 window installers on ten factors, last updated October 22, 2026.

How many window installers are there in Southport?

ContractorsRanked ranks 14 window installers serving Southport, NY. 1 of them is based in Southport; the rest serve it from nearby towns. Another 11 within 40 mi are listed but not ranked yet. Counts are as of October 2026.

Which window installers in Southport work on weekends?

3 of 14 ranked window installers post Saturday hours and 1 post Sunday hours. The highest-ranked open Saturdays are First Class Glass & Mirror (#1), PRO-LINE CONSTRUCTION (#10) and Antidormi Construction (#14). Posted hours are office hours; crews may book weekend jobs separately.

How much does window replacement cost in Southport?

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 York. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Southport window installers have?

The median Google rating among 14 rated window installers in Southport is 4.3★, with a median of 13 reviews. First Class Glass & Mirror has the most, 66 reviews, and ranks #1. 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 Southport count in this ranking?

Yes, if they are within 40 mi of the Southport 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.

Can window installers pay to rank higher on ContractorsRanked?

No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.

Update log for Southport

  1. October 2026: CR Scores recalculated for 14 window installers serving Southport.

More window installers and Southport pages

Other trades in Southport