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# Diligent Window Supply - Baltimore Top Rated

[BaltimoreTopRated.com](/)

Proudly serving **Towson, Columbia, Ellicott City, Catonsville, Owings Mills, Parkville** and the greater Baltimore area. **Made for The Old Line State.**

[BaltimoreTopRated](/) / [Windows & Doors](/windows-doors/)

# Diligent Window Supply

★★★★½ 4.8 · [18 Google reviews](https://www.google.com/maps/place/?q=place_id:ChIJZxTiUhMFyIkRKct-gM2hMU4) · 5710 Erdman Ave

[#16 in Windows & Doors](/windows-doors/)

Rankings updated October 2026 from Google ratings and review volume - not paid placement

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Diligent Window Supply Independent · Locally Owned Is this your business? Claim it free

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5710 Erdman Ave, Baltimore, MD 21205, USA

Hours

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Monday: 7:00 AM - 4:00 PM

Tuesday: 7:00 AM - 4:00 PM

Wednesday: 7:00 AM - 4:00 PM

Thursday: 7:00 AM - 4:00 PM

Friday: 7:00 AM - 4:00 PM

Saturday: Closed

Sunday: Closed

[Call 410-793-4780](tel:+14107934780)[Visit website](http://diligentwindowsupply.com/?utm_source=topratedcities&utm_medium=referral)

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Overview

Reviews

Photos

## Why Diligent Window Supply ranks here

Diligent Window Supply holds a 4.8 star average across 18 Google reviews, which places it at #16 for window and door companies in Baltimore on our rankings. Positions come from verified public ratings and review volume. See the full list on the [Windows & Doors rankings page](/windows-doors/).

★★★★½ 4.8 average from [18 Google reviews](https://www.google.com/maps/place/?q=place_id:ChIJZxTiUhMFyIkRKct-gM2hMU4). No individual customer quotes on file yet.

No photos on file yet.

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Prefer to talk? Call or text the Top Rated directory on [(813) 454-0813](tel:+18134540813). This is our number, not the number of any business listed here.