--- title: Hiring Window installers in Wilmington: Costs and Checks url: https://bestoflocalrankings.com/guides/window-installers-cost-wilmington/ updated: 2026-11-03 --- [bestof **local**](https://bestoflocalrankings.com/) - [Methodology](https://bestoflocalrankings.com/methodology/) - [For businesses](https://bestoflocalrankings.com/claim/) 1. [Home](https://bestoflocalrankings.com/) 2. [Delaware](https://bestoflocalrankings.com/delaware/) 3. [Wilmington](https://bestoflocalrankings.com/wilmington/) 4. [Window installers](https://bestoflocalrankings.com/wilmington/window-installers/) 5. Cost guide Guide · Window installers · Wilmington # Hiring Window installers in Wilmington: Costs and Checks Use the public figures below to size the job, then compare written quotes from the highest-scoring local businesses. **5** ranked businesses Updated November 3, 2026 Analyzed 5 businesses [See the ranking](https://bestoflocalrankings.com/wilmington/window-installers/) ## New Castle in numbers Public figures that affect what a job costs and how busy local businesses are. - People per square mile **6,747** Source: [Calculated from U.S. Census Bureau 2025 estimates and Gazetteer land area](https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html) · 2025 - Land area **10.9 sq mi** Source: [U.S. Census Bureau, 2025 Gazetteer files](https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html) · 2025 - Wilmington residents **73,512** Source: [U.S. Census Bureau, Vintage 2025 population estimates (sub-est2025)](https://www.census.gov/data/tables/time-series/demo/popest/2020s-total-cities-and-towns.html) · July 1, 2025 - Population change since 2020 **+3.7%** Source: [U.S. Census Bureau, Vintage 2025 population estimates (sub-est2025)](https://www.census.gov/data/tables/time-series/demo/popest/2020s-total-cities-and-towns.html) · 2020–2025 · from 70,916 (April 2020 base) Figures from public sources. Rows tagged "Sample figure" show what our live public-data feeds will supply; they are illustrative, not real counts. Public records size the market and are not part of the score. ## Questions to ask before you hire 1. **Is your license active, and in this company's name?** Check it yourself on the state licensing board's site. 2. **Who pulls the permit, and is it in the price?** It should be the business, and it should be in writing. 3. **What is the payment schedule?** Payments should follow stages of work, not a large deposit up front. 4. **What does the warranty cover, and for how long?** Ask for the terms in writing. ## Highest Local Scores in Wilmington 1. 01 **70.2** Local Score ### [Pella Windows and Doors](https://bestoflocalrankings.com/business/g-a807b723b3f2fefc/) Wilmington · ★ 5.0 · 604 reviews No review trend yet Checked Operating status [Request a quote](https://bestoflocalrankings.com/wilmington/window-installers/#quote)[Data profile](https://bestoflocalrankings.com/business/g-a807b723b3f2fefc/) 2. 02 **55.5** Local Score ### [Newport Builders Windowland](https://bestoflocalrankings.com/business/g-284b22554efd3b40/) Newport · ★ 4.7 · 38 reviews No review trend yet Checked Operating status [Request a quote](https://bestoflocalrankings.com/wilmington/window-installers/#quote)[Data profile](https://bestoflocalrankings.com/business/g-284b22554efd3b40/) 3. 03 **51.6** Local Score ### [Mw Roofing Llc](https://bestoflocalrankings.com/business/g-7fb16518cba85a28/) Bear · ★ 4.4 · 38 reviews No review trend yet Checked Operating status [Request a quote](https://bestoflocalrankings.com/wilmington/window-installers/#quote)[Data profile](https://bestoflocalrankings.com/business/g-7fb16518cba85a28/) 1. 04 [Am Construction](https://bestoflocalrankings.com/business/g-bb17638dfaa337ac/) Swedesboro · ★ 4.5 · 17 reviews **50.8** – no trend yet 2. 05 [Brandywine Exteriors](https://bestoflocalrankings.com/business/g-c0fe0c2035680042/) Wilmington · ★ 4.1 · 34 reviews **47.6** – no trend yet Out of 100, same formula for every business. [See the full ranking →](https://bestoflocalrankings.com/wilmington/window-installers/) ## Cost questions answered ### How is the top 5 ranking of window installers in Wilmington calculated? Each business gets a score from its rating, review volume, recent reviews, years in business, profile completeness and record checks. The highest scores make the list. We compared 5 window installers for Wilmington. ### Which of these window installers in Wilmington has the best reviews? Pella Windows and Doors has a 5.0 rating from 604 public reviews, the highest on this page. ### Are these window installers licensed? 5 of the 5 businesses here had their state license checked against public records. Each profile shows the source and the date of the check. ### How many quotes should I get for window installers in Wilmington? Get at least three. Use the quote form on this page: only the businesses you tick receive your request. - [Home](https://bestoflocalrankings.com/) - [Methodology](https://bestoflocalrankings.com/methodology/) - [How we make money](https://bestoflocalrankings.com/how-we-make-money/) - [Corrections & update log](https://bestoflocalrankings.com/corrections/) - [Claim a profile](https://bestoflocalrankings.com/claim/) - [About](https://bestoflocalrankings.com/about/) - [Contact](https://bestoflocalrankings.com/contact/) - [Data sources](https://bestoflocalrankings.com/data-sources/) - [Privacy](https://bestoflocalrankings.com/privacy/) - [Terms](https://bestoflocalrankings.com/terms/) BestOfLocal rankings are calculated from public data using the published formula. Scores are never for sale. We may earn a fee when you request a quote through a business's profile. Data last updated November 3, 2026 . © 2026 BestOfLocal.