63/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 186 Google reviews, the most in Mason City.
- 4.8★ from 186 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 1300 1/2 S Taft Ave, Mason City, IA 50401
Best Window Installers in Mason City, IA (2026)
9 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Mason City: Window World of Mason City, CR Score 63/100; 4.8★ from 186 Google reviews.
- 7
Best for emergencies (open 24/7): Timberline Roofing & Contracting - Austin, posts 24/7 hours; ranked #7 of 9.
- 4
Most-reviewed: Renewal by Andersen, 104 Google reviews at 4.7★, the most of 9 ranked after Window World of Mason City; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
9 Mason City window installers are ranked here by CR Score, from ten published factors. 1 is open 24/7, 2 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 4.8★ across 9 rated businesses.
Top 9 window installers in Mason City at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Window World of Mason City | 63 | 4.8★ (186) | Mason City | — | Overall |
| 2 | The Window Source of Mason City | 61 | 5.0★ (86) | Mason City | — | — |
| 3 | Mason City Glass Service | 58 | 4.7★ (24) | Mason City | — | — |
| 4 | Renewal by Andersen | 55 | 4.7★ (104) | Albert Lea, 35 mi away | — | Most reviews |
| 5 | Tell Construction | 53 | 4.6★ (25) | Mason City | Sat | — |
| 6 | GT Window & Door | 51 | 5.0★ (12) | Albert Lea, 35 mi away | — | — |
| 7 | Timberline Roofing & Contracting - Austin | 48 | 4.8★ (8) | Austin, 36 mi away | 24/7 | Emergencies |
| 8 | Meints Construction Builders | 46 | 5.0★ (3) | Clear Lake, 9 mi away | — | — |
| 9 | Brady Siding & CB Windows Inc | 44 | 3.0★ (4) | Austin, 37 mi away | — | — |
The 9 best window installers in Mason City, 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.
Based in Mason City
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 86 Google reviews, listed on Google as “Window installation service”.
- 5.0★ from 86 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 1521 15th St SW, Mason City, IA 50401
Based in Mason City
58/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.7★ from 24 Google reviews, listed on Google as “Window installation service”.
- 4.7★ from 24 Google reviews
- Hours
- Mon–Thu 8 AM–5 PM · Fri 8 AM–4:30 PM · Sat–Sun closed
- Address
- 2127 S Federal Ave, Mason City, IA 50401
Based in Albert Lea, 35 mi away
55/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.7★ from 104 Google reviews, listed on Google as “Window installation service”.
- 4.7★ from 104 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 603 S 1st Ave, Albert Lea, MN 56007
Based in Mason City
53/100CR ScoreRanked #5 because of its Google rating and review volume: 4.6★ from 25 Google reviews.
- 4.6★ from 25 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat 7 AM–12 PM · Sun closed
- Address
- 514 N Monroe Ave, Mason City, IA 50401
Based in Albert Lea, 35 mi away
51/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Window installation service”.
- 5.0★ from 12 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 137 S Broadway Ave Suite 7, Albert Lea, MN 56007
Based in Austin, 36 mi away
48/100CR ScoreRanked #7 because of its Google rating and availability: 4.8★ from 8 Google reviews, open 24/7.
- 4.8★ from 8 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1507 22nd Ave SE, Austin, MN 55912
Based in Clear Lake, 9 mi away
46/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Contractor”.
- 5.0★ from 3 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
- Address
- 801 6th Ave S, Clear Lake, IA 50428
Based in Austin, 37 mi away
44/100CR ScoreRanked #9 because of its Google rating and trade focus: 3.0★ from 4 Google reviews, listed on Google as “Siding contractor”.
- 3.0★ from 4 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
- Address
- 1805 3rd Ave NW, Austin, MN 55912
How much do window installers cost in Mason City?
Typical prices in USD, adjusted for Iowa with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Window replacement | $3,550 | $7,580 | $12,220 | Per project (several windows): typical range of customer-reported projects. US national range × 1.03 West North Central factor (2025 Cost vs. Value Report) | October 2026 |
How we ranked Mason City window installers
We scored 9 Mason City 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.
| Factor | Weight | Computed from | In Mason City data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
Window installers in Mason City: frequently asked questions
Who is the best window installer in Mason City?
By CR Score, the highest-ranked window installer in Mason City, IA is Window World of Mason City with a CR Score of 63/100. It has 4.8★ from 186 Google reviews. The Window Source of Mason City (#2) and Mason City Glass Service (#3) follow. We ranked 9 window installers on ten factors, last updated October 22, 2026.
How many window installers are there in Mason City?
ContractorsRanked ranks 9 window installers serving Mason City, IA. 4 of them are based in Mason City; the rest serve it from nearby towns. Counts are as of October 2026.
Which window installers in Mason City are open 24/7?
1 ranked window installer in Mason City posts 24/7 hours. The highest-ranked is Timberline Roofing & Contracting - Austin (#7). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which window installers in Mason City work on weekends?
2 of 9 ranked window installers post Saturday hours and 1 post Sunday hours. The highest-ranked open Saturdays are Tell Construction (#5) and Timberline Roofing & Contracting - Austin (#7). Posted hours are office hours; crews may book weekend jobs separately.
How much does window replacement cost in Mason City?
Window replacement typically costs $3,550 to $12,220, with $7,580 typical (Per project (several windows): typical range of customer-reported projects. US national range × 1.03 West North Central factor (2025 Cost vs. Value Report)). The range is adjusted for Iowa. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Mason City window installers have?
The median Google rating among 9 rated window installers in Mason City is 4.8★, with a median of 24 reviews. Window World of Mason City has the most, 186 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 Mason City count in this ranking?
Yes, if they are within 40 mi of the Mason City 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 Mason City
- October 2026: CR Scores recalculated for 9 window installers serving Mason City.
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