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*The Angi rating for Window Service companies in Syosset, NY is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Window Service needs.
*The HomeAdvisor rating for Window Service companies in Syosset, NY is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Window Service needs.
Last update on January 06, 2026
Find Window pros in Syosset
Memo's Home Renovations, Inc.
Memo's Home Renovations, Inc.
Hello! Welcome to Memos Home Renovations Inc, formerly known as Memos Home Improvements. We have been operating on Long Island since 2013, but have over 20 years of experience. We have grown brand loyalty because we deliver excellent results consistently; just look at our reviews- the proof is in the pudding!
"This is our fourth time using Memo’s home renovations, but the first time on such a large project. The extension came out absolutely gorgeous and it is a seamless transition both inside and out. Numerous neighbors have already asked for his contact details because they are so impressed by the high-quality workmanship. A pleasure to work with the whole way through and 100% satisfied with the final extension."
Sean T on November 2025
Hello! Welcome to Memos Home Renovations Inc, formerly known as Memos Home Improvements. We have been operating on Long Island since 2013, but have over 20 years of experience. We have grown brand loyalty because we deliver excellent results consistently; just look at our reviews- the proof is in the pudding!
"This is our fourth time using Memo’s home renovations, but the first time on such a large project. The extension came out absolutely gorgeous and it is a seamless transition both inside and out. Numerous neighbors have already asked for his contact details because they are so impressed by the high-quality workmanship. A pleasure to work with the whole way through and 100% satisfied with the final extension."
Sean T on November 2025

Euro Expert Corporation
Euro Expert Corporation
Euro Expert Corporation finds passion in transforming your home and doing the necessary improvement to make it the way you desire, we plan to exceed your expectations! We are professionals from Europe with technique and skills that are unmatched. With over twenty years of experience you can rely on us to do the job one time from start to finish and most importantly, do it right. We make it our mission to listen to our customers in order to ensure 100% satisfaction. So stop shopping around and give us a chance to earn your business. Give Euro Expert a call and see what we can do for you!
"All work was done efficiently and professionally. Very happy with the results of our stall shower installation."
Timothy G on December 2025
Euro Expert Corporation finds passion in transforming your home and doing the necessary improvement to make it the way you desire, we plan to exceed your expectations! We are professionals from Europe with technique and skills that are unmatched. With over twenty years of experience you can rely on us to do the job one time from start to finish and most importantly, do it right. We make it our mission to listen to our customers in order to ensure 100% satisfaction. So stop shopping around and give us a chance to earn your business. Give Euro Expert a call and see what we can do for you!
"All work was done efficiently and professionally. Very happy with the results of our stall shower installation."
Timothy G on December 2025

I & M Handyman and Cleaning Services
I & M Handyman and Cleaning Services
We guarantee your satisfaction and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out our services offered and call or click to schedule a free estimate today.
"Extremely patient with working with my work schedule. He was on time, respect my home by taking shoes off at front door, very professional, polite, and didn’t mind my pets running around. Would definitely hire him again and also refer him to friends and family. "
Dorise E on January 2026
We guarantee your satisfaction and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out our services offered and call or click to schedule a free estimate today.
"Extremely patient with working with my work schedule. He was on time, respect my home by taking shoes off at front door, very professional, polite, and didn’t mind my pets running around. Would definitely hire him again and also refer him to friends and family. "
Dorise E on January 2026

Home Genius Exteriors
Home Genius Exteriors
Elevate your home with Home Genius Exteriors, setting the standard in Long Island by offering full-service solutions for roofing, siding, windows, doors, gutters and insulation. We support our veterans and communities by supporting local and national charitable organizations through our Home Genius Cares initiative. With an Owens Corning® Platinum Preferred designation, we also offer flexible payment options, industry leading warranties and a wide range of premium products tailored for your home. It’s time for a different experience, entrust your next home project to a genius and schedule your free inspection today!
"Home genius came and installed our roof in 1 day. Guys worked very hard into the late afternoon to get the job done right I would recommend them for your roofing project working with Todd and Mike answered our questions without us having to ask them"
Marisol R on March 2024
Elevate your home with Home Genius Exteriors, setting the standard in Long Island by offering full-service solutions for roofing, siding, windows, doors, gutters and insulation. We support our veterans and communities by supporting local and national charitable organizations through our Home Genius Cares initiative. With an Owens Corning® Platinum Preferred designation, we also offer flexible payment options, industry leading warranties and a wide range of premium products tailored for your home. It’s time for a different experience, entrust your next home project to a genius and schedule your free inspection today!
"Home genius came and installed our roof in 1 day. Guys worked very hard into the late afternoon to get the job done right I would recommend them for your roofing project working with Todd and Mike answered our questions without us having to ask them"
Marisol R on March 2024

Tri-State Window Factory Corp
Tri-State Window Factory Corp
Tri-State is the manufacturer and installer of premium quality vinyl windows and patio doors. We do the entire job ourselves, no subcontractor or middleman! Tri-State builds them, installs them and we guarantee them.
"Fast good price clean"
Jason H on September 2024
Tri-State is the manufacturer and installer of premium quality vinyl windows and patio doors. We do the entire job ourselves, no subcontractor or middleman! Tri-State builds them, installs them and we guarantee them.
"Fast good price clean"
Jason H on September 2024

Thermo Seal Windows Siding & Roofing
Thermo Seal Windows Siding & Roofing
With more than 40 years of combined experience, Thermo-Seal Windows & Siding is the company to choose for superior custom made windows, patio doors, entry doors, storm doors, roofs, and vinyl, composite & wood siding. We are GAF Master Elite certified, which only 3% of the roofers in North America have this certification. We pride ourselves in superior customer service and satisfaction, while offering a no obligation in-home free estimate. We DO NOT do window/siding REPAIR work. Whether you are looking for an eight foot sliding glass door, gutters, roofing, double hungs or an eleven foot bow window, Thermo Seal has the craftsmanship and the custom built products for you. We have 3 locations: Headquarters: 411 Theodore Fremd Avenue Rye, NY 10580-1410, Showroom at: 456 Sunrise Highway, Rockville Center, NY 11570 Melville Location: 68 South Service Road Melville, N.Y. 11747 *Financing Available: 24 Months No Interest* *Licensing Information* Westchester License #: WC18925-H07 Connecticut License #: HIC616176 Yonkers License #: 4352 New Jersey License #: 13HV03970200 Suffolk County License #: 43947H Southampton License #: L002290 Nassau License #: H08105300 NYC DCA #: 1310460 Rockland County#: H-11137-07-38-00
"Awesome job by Aaron and his team of Jada, Adrien and Silvio! Aaron was great to deal with and delivered in a timely and professional manner. With the current heat wave, we can already feel the difference in indoor comfort and the windows look great inside and out. We highly recommend Aaron and Thermoseal for your window installation!!"
leigh d on August 2022
With more than 40 years of combined experience, Thermo-Seal Windows & Siding is the company to choose for superior custom made windows, patio doors, entry doors, storm doors, roofs, and vinyl, composite & wood siding. We are GAF Master Elite certified, which only 3% of the roofers in North America have this certification. We pride ourselves in superior customer service and satisfaction, while offering a no obligation in-home free estimate. We DO NOT do window/siding REPAIR work. Whether you are looking for an eight foot sliding glass door, gutters, roofing, double hungs or an eleven foot bow window, Thermo Seal has the craftsmanship and the custom built products for you. We have 3 locations: Headquarters: 411 Theodore Fremd Avenue Rye, NY 10580-1410, Showroom at: 456 Sunrise Highway, Rockville Center, NY 11570 Melville Location: 68 South Service Road Melville, N.Y. 11747 *Financing Available: 24 Months No Interest* *Licensing Information* Westchester License #: WC18925-H07 Connecticut License #: HIC616176 Yonkers License #: 4352 New Jersey License #: 13HV03970200 Suffolk County License #: 43947H Southampton License #: L002290 Nassau License #: H08105300 NYC DCA #: 1310460 Rockland County#: H-11137-07-38-00
"Awesome job by Aaron and his team of Jada, Adrien and Silvio! Aaron was great to deal with and delivered in a timely and professional manner. With the current heat wave, we can already feel the difference in indoor comfort and the windows look great inside and out. We highly recommend Aaron and Thermoseal for your window installation!!"
leigh d on August 2022

Glassologist
Glassologist
Glassologist is a well established company in Freeport, which serves the surrounding communities too. We offer the best in customer care, as well as professionalism. Our company prides itself on integrity, so our work replicates this as well. Call us for your next job At this time we are only offering emergency services. If selected there is a $300 minimum charge for the work done at time of service. *I do not re-silver mirrors*
"I highly recommend using Glassologist. Lee was very helpful and did an amazing job, he ordered the glass right away and within 3 days he replaced my broken window. I will definitely use this company for further window replacements."
Rosy A on June 2022
Glassologist is a well established company in Freeport, which serves the surrounding communities too. We offer the best in customer care, as well as professionalism. Our company prides itself on integrity, so our work replicates this as well. Call us for your next job At this time we are only offering emergency services. If selected there is a $300 minimum charge for the work done at time of service. *I do not re-silver mirrors*
"I highly recommend using Glassologist. Lee was very helpful and did an amazing job, he ordered the glass right away and within 3 days he replaced my broken window. I will definitely use this company for further window replacements."
Rosy A on June 2022

Custom Windows & Doors Inc
Custom Windows & Doors Inc
Hi we have been in business since 1982 same location. We offer free estimate on windows, doors, awnings, gates,greenhouse windows, enclosures railings, windows treatment, round top doors, raidiator covers. We are a family run business given the personal touch. We can customize what other can't do.
"Custom Windows & Doors Inc Helped us with an Awning"
Liwen L on August 2025
Hi we have been in business since 1982 same location. We offer free estimate on windows, doors, awnings, gates,greenhouse windows, enclosures railings, windows treatment, round top doors, raidiator covers. We are a family run business given the personal touch. We can customize what other can't do.
"Custom Windows & Doors Inc Helped us with an Awning"
Liwen L on August 2025
Lang Co Construction
Lang Co Construction
Been doing professional residential work for the past 31 years in the New York City metropolitan and Long Island area. Top-notch craftsman, customer service oriented. All work is guaranteed!!!
"John Lang did an excellent job replacing my front door. Prompt, efficient and done right."
Collette M on December 2025
Been doing professional residential work for the past 31 years in the New York City metropolitan and Long Island area. Top-notch craftsman, customer service oriented. All work is guaranteed!!!
"John Lang did an excellent job replacing my front door. Prompt, efficient and done right."
Collette M on December 2025

LI Developers, LLC
LI Developers, LLC
We are a locally & family owned operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor Home Improvement services that are customizable to each individual project. We specialize in Additions and Kitchen Remodels, but also offer a wide range of expertise for a variety of other projects. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction!
"I have had several projects completed by Jakob and his company since buying my home in 2017. From little jobs to big jobs, Jakob is the only person I will trust with my home projects. His crew is reliable and hardworking. Jakob is hands on about EVERYTHING. From material orders placed, to deliveries, to getting permits, to scheduling inspections, to coordinating his crew for different jobs….. I honestly don’t know how he keeps it all running so smoothly. He built us a BEAUTIFUL paver/deck patio a few years ago, and this year he built us a STUNNING covered porch/portico with paver walkway which matches the backyard aesthetic. My neighbors have stopped to tell me how beautiful it is and they couldn’t believe how quickly it was finished. I very much appreciate how Jakob works with me to plan and make my vision come to life. He does the job well, and doesn’t cut corners. I feel confident and secure in his work, which is why he is the only person I will call when I need something done. "
Venus W on October 2025
We are a locally & family owned operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor Home Improvement services that are customizable to each individual project. We specialize in Additions and Kitchen Remodels, but also offer a wide range of expertise for a variety of other projects. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction!
"I have had several projects completed by Jakob and his company since buying my home in 2017. From little jobs to big jobs, Jakob is the only person I will trust with my home projects. His crew is reliable and hardworking. Jakob is hands on about EVERYTHING. From material orders placed, to deliveries, to getting permits, to scheduling inspections, to coordinating his crew for different jobs….. I honestly don’t know how he keeps it all running so smoothly. He built us a BEAUTIFUL paver/deck patio a few years ago, and this year he built us a STUNNING covered porch/portico with paver walkway which matches the backyard aesthetic. My neighbors have stopped to tell me how beautiful it is and they couldn’t believe how quickly it was finished. I very much appreciate how Jakob works with me to plan and make my vision come to life. He does the job well, and doesn’t cut corners. I feel confident and secure in his work, which is why he is the only person I will call when I need something done. "
Venus W on October 2025
The Syosset, NY homeowners’ guide to window services
From average costs to expert advice, get all the answers you need to get your job done.

Garden windows can be a great addition to your kitchen, adding light and a place to grow plants. Costs depend on material, size, and customization—learn how much you can expect to pay.

Single, double, or cottage-style, the cost of casement windows is worth it for their versatility alone. Let's look at casement window costs plus installation.

If you're hoping to add a touch of timeless style to your windows, take a look at the cost of stained glass windows and what affects installation costs.

Do windows with broken seals need to be replaced? We’ll walk you through when to repair broken window seals and when to replace the windows wholesale.

Want to know how long vinyl windows last? Learn the average lifespan of vinyl windows and the core factors that affect their performance over time.

Replacing or switching windows leaves homeowners with a choice: casement or double-hung? This article lays out their pros, cons, and differences.
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