Alex installation service

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About

My name is Alex. I am professional in a construction. I can do all construction works and I do my job very professionally. I have over 5 years of hands-on experience in window and door installation in the United States, and prior manufacturing experience in Europe. I don’t just install products — I understand construction details, waterproofing, insulation, structural framing, and long-term performance.

Overview

Hired 4 times

Serves San Francisco, CA

Background checked

2 employees

6 years in business

Business hours

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

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Property type

Residential

Commercial

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Reviews

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

5.0

4 reviews

5

100%

4

0%

3

0%

2

0%

1

0%

Fabian M.

Mar 9, 2026

•

Hired on Thumbtack

I contacted Alex and he came within 20 minutes. He fixed a broken door jam for me and left it looking great. He cleaned up the job site and was responsive. I appreciate the good work and speed. Will call him for any future projects. Thanks Alex!

Details: Interior door (e.g. bedroom door, closet door) • Basic door (swings open and shut) • Wood • Home

Door Repair

Mena C.

3 weeks ago

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Hired on Thumbtack

I do a lot of canvassing before I hire somebody, he's the cheapest quote I got and I was so happy with the outcome. He's very dedicated and knows what he's doing. Will definitely contact him again for the next project.

Details: Interior door, like a bedroom or closet door • 1 door • French or double • As recommended by professional • No, I’ll purchase the door myself • Install new trim around the door • Home

Door Installation

Pavel V.

Feb 24, 2026

Ianya Y.

1 day ago

•

Hired on Thumbtack

Alex was excellent, prompt, respectful and through. Thank you for all your hard work.

Details: Interior door (e.g. bedroom door, closet door) • Basic door (swings open and shut) • Wood • Problems shutting the door • Hinge repair • Home

Door Repair

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Alex Trifonov

Alex installation service

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