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Windows & Door Services

Type of repair
Window type

Responds in about 2 hours


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About
Hi, my name is Alex. I specialize in professional window and door repair, restoration, and installation throughout San Francisco and the Bay Area. With over 17 years of experience, I provide expert solutions for all types of window and door problems, including: * Broken window glass replacement * Insulated glass unit (IGU) replacement * Foggy or failed double-pane glass replacement * Window balances, sash mechanisms, and hardware repair * Window leaks, waterproofing, and sealing * Damaged or rotted window and door frame restoration * Sliding glass door rollers, tracks, locks, and handles * Door adjustments, hinges, and weatherstripping * French door repair and restoration * Skylight glass replacement and repair * New window and door installation I specialize in restoring existing windows and doors whenever possible, helping customers avoid unnecessary replacements and expenses. My goal is simple: high-quality workmanship, honest pricing, reliable service, and long-lasting results. I take pride in every project, from small repairs to complete window and door restoration or replacement. Customer satisfaction is my priority. I stand behind my work and offer a 1-year warranty on repairs.
Overview

Hired 21 times

Serves Menlo Park, CA

Background checked

2 employees

6 years in business

Business hours

Sun7:00 am - 7:00 pmMon7:00 am - 7:00 pm

Payment methods

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Services offered
Property type

Residential

Commercial

Projects and media
Projects and media
Reviews

Customers rated this pro highly for work quality, professionalism, and responsiveness.

Great 4.7

26 reviews

5

92%

4

0%

3

0%

2

0%

1

8%

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Read reviews that mention:


pro avatar
Jon P.

3 weeks ago

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Hired on Thumbtack

We had a few door issues and needed someone to fix. Alex was great from the initial communication and quote through setting up a time to completing the work. Work is excellent and would totally use Alex again if we have any window or door issues.

Details: Interior door (e.g. bedroom door, closet door) • Folding door (like some closet doors) • Wood • Problems with door swinging or sliding • Hinge repair • Home

Door Repair
pro avatar
Sarah W.

May 4, 2026

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Hired on Thumbtack

Alex came by to fix my window and I was amazed that he had the right parts already handy and was able to do it in less than 2 hours. I had broken a spring and it wasn’t an easy fix. I was so pleased that I asked him to come back and fix another issue with the window. Both times he responded within the same day and the job was done by the end of the day. Highly recommend!

Details: 1 window • Won't open or close properly • Double hung (slides up and down) • Residential

Window Repair
pro avatar
Sarah E.

Apr 19, 2026

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Hired on Thumbtack

Where do I start; Alex is such a lucky find! I had 13 windows to fix. They are old windows in a Victorian House, and the issues were different per window - some had nails in them, others did not shut, others were broken. He came out, assessed everything and then got everything done. And top of it all, he was an absolute pleasure to work with - professional, great communication about timelines and more. Then, he noticed a few other items around the house, like an additional window and a draggy door that was squeaking, and he fixed those too - free of charge. He sent pictures of everything as well as videos. Alex was so helpful. In fact, I am looking what other jobs I can get done with him given he is such an experienced and professional handyman with many years of experience in construction and repair. Needless to say, I highly recommend Alex.

Details: 2 - 4 windows • Won't open or close properly • Double hung (slides up and down) • Residential

Window Repair
pro avatar
Nate R.

Apr 20, 2026

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Hired on Thumbtack

Very prompt communication, and was able to come over to fix our windows at pretty short notice. Also taught me how to fix the window in the future so I didn't have to call another handyman if the same thing happened! :)

Details: 1 window • Water is leaking in • Casement (pushes open on a hinge) • Residential

Window Repair
pro avatar
Leslie L.

May 17, 2026

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Hired on Thumbtack

Alex was great. He responded quickly and was able to fix my 2 1939 casement windows within a couple of days. He even drove far out of his way to get the necessary parts. I would hire Alex again in a hot minute.

Details: 2 - 4 windows • Won't open or close properly • Casement (pushes open on a hinge) • Residential

Window Repair
Credentials
Background Check

Alex Trifonov

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