
Gilwin Company, Inc.
Gilwin Company, Inc. manufactures and supplies residential windows in Modesto. Its products are for new-construction and replacement projects.
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Business Highlights
- Gilwin describes its windows as energy-efficient.
- Gilwin lists a lifetime warranty on its windows.
- Gilwin says it stays in communication with customers until each job is complete.
- Gilwin says it responds to quote requests within 48 hours.
Service Area
Modesto.
Public local listing. Gilwin Company, Inc. is one of 11 window installers ProsGrade lists in Modesto, California.
8 services listed, including Double-hung windows, Sliding windows and Standard new-construction windows. Open weekdays, closed on weekends. 43 reviews.
- Verified listing details
- Service information
- Customer review signals
- Photo gallery
- Public contact information
- Published local profile
How This Business Compares
How Gilwin Company, Inc. compares with the other 10 window installers on ProsGrade in Modesto, using public Google ratings and review counts.
- One of 11 Modesto window installers on ProsGrade.
Services Covered
8 services- Double-hung windows
- Sliding windows
- Standard new-construction windows
- Replacement windows
- Retrofit windowsFlush-fin
- Box-frame windows
- Custom-size windows
- Specialty-shaped windowsRound, half-round, rake, eyebrow and arch options
Reviews
What customers say
Reviewers praise the technicians' professionalism and courtesy; one customer says Brandon arrived on time. A customer reported a shattered door and a driver who had forgotten to load it, along with repeated unanswered messages and no delivery date; that customer ultimately chose another window company.
Customer Reviews
Matt Stanwood
G
Dank Tegio
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Frequently Asked Questions
How long does window installation with Gilwin Company, Inc. usually take?
Gilwin says most installations can be completed in one to two days; timing depends on the number and type of windows and any additional features.
Does Gilwin Company, Inc. provide consultations or custom measurements?
It offers free consultations and custom measurements.
Which windows does Gilwin Company, Inc. not build?
Gilwin says it does not build casement or garden windows.



