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Based on 113 reviews

Door Services
At WindowFixGuru, we specialize in door repair and restoration, ensuring your interior and exterior doors function properly without needing full replacements. Serving Long Island, including Suffolk and Nassau counties, we take pride in providing expert door repair solutions that enhance security, efficiency, and aesthetics.
Emergency services available!
Door Services
We install, repair, and service a wide range of doors including interior doors, exterior entry doors, storm doors, and patio doors. Our experienced technicians handle everything from door adjustments and hardware maintenance to reframing and smooth operation restoration, working with wood, fiberglass, steel, and aluminum door systems. Whether your doors are sticking, misaligned, or in need of hardware replacement, we extend the life of your existing doors and restore proper functionality, security, and ease of use.
Interior/Exterior Door Installation
Door Adjustment
Hardware Maintenance
Storm Door Installation & Maintenance
Door Reframing
Patio Door Installation & Maintenance
Hardware Replacement



























Hardware Maintenance & Replacement
Broken locks, loose handles, or worn-out hinges can make doors hard to use or compromise security. Our team repairs and replaces necessary hardware to restore proper functionality without replacing the entire door.
Storm Door Repair & Maintenance
Storm doors provide an extra layer of insulation and protection. Instead of replacing them, we repair worn-out components, fix alignment issues, and maintain their effectiveness against harsh weather.
Patio Door Repair & Maintenance
Sliding and French patio doors often develop track misalignment, faulty rollers, or sticking mechanisms. Our repair services restore their smooth operation, ensuring security and ease of use without the need for costly replacements.
Interior/Exterior Door Repair & Adjustments
From misaligned hinges to sticky doors, we repair and adjust your existing doors to ensure a perfect fit, smooth operation, and long-term durability.
About WindowFixGuru
Homeowners and businesses across Long Island, NY trust WindowFixGuru for professional window repair in Suffolk County and Nassau County, quality workmanship, and honest service.
12+ years of hands-on experience
Repair-first, cost-effective approach
Woman-owned and detail-focused
Trusted local service in Suffolk & Nassau counties
“Excellent”
⭐⭐⭐⭐⭐
Based on 113 reviews

Lisa M.
Huntington, NY
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“I was convinced I needed to replace my old drafty windows, but WindowFixGuru saved me a fortune by repairing them instead! They sealed the gaps, fixed the locks, and even restored my wooden frames. My home is now warmer, and my energy bills are lower. Highly recommend their honest and professional service!”
Emily D.
Rockville Centre, NY
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“I can’t say enough good things about this company! My storm door was misaligned and wouldn’t close properly, making it useless against wind and rain. WindowFixGuru fixed it in no time, and now it seals perfectly.”
Robert T
Garden City, NY
⭐⭐⭐⭐⭐
“I had a sliding patio door that kept getting stuck, making it nearly impossible to open. WindowFixGuru came in, realigned the track, and replaced the rollers. Now it works like new! The team was on time, knowledgeable, and super friendly. Great service!”
Maria L.
Massapequa, NY
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“After a storm, my window screens were completely ripped, and I thought I’d have to get all new ones. Luckily, WindowFixGuru repaired them quickly and at a great price. They even reinforced the frames to make them more durable.Professional, affordable, and excellent customer service. I’ll definitely be calling them again!”
Our Work
FAQ
What types of doors do you repair and service?
We repair and service interior doors, exterior entry doors, patio doors, storm doors, and sliding doors for both residential and commercial properties.
Do you repair doors or only replace them?
In most cases, we focus on repairing existing doors to restore proper function and extend their lifespan. Replacement is recommended only when repair is not cost-effective.
What common door problems do you fix?
We fix doors that are sticking, sagging, misaligned, difficult to open or close, damaged by moisture, or have worn-out hinges, locks, handles, or closers.
Do you work with different door materials?
Yes. Our technicians work with wood, fiberglass, steel, aluminum, and composite doors.
Can you fix door frames and thresholds?
Yes, we repair and adjust door frames, thresholds, and weather stripping to improve alignment, insulation, and overall performance.
Do you service sliding and patio doors?
Absolutely. We repair sliding and patio doors, including roller replacement, track repair, alignment, and lock adjustments.
Do you serve both residential and commercial properties?
Yes, we provide door repair and service for homes, apartments, offices, and commercial buildings.
How do I schedule a door service?
Need reliable door repair in Long Island?
Contact WindowFixGuru today and get your doors working like new again.
Contact us