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Knock Knock Contractor

Top Pro

Scheduling
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About
Knock Knock Contractor is a residential contractor serving San Francisco, Alameda, and Contra Costa counties, with a focused specialty in door repair and installation. We repair sticking, sagging, misaligned, drafty, and damaged doors and install interior and exterior slabs, prehung doors, French and double doors, bifold doors, and screen and security doors. Common work includes alignment, hinges, latches, locks and hardware, jamb and frame repair, thresholds, trim, weather sealing, and door replacement. Send photos and a short video for initial project qualification. Glass repair and glass replacement are outside our scope.
Overview

Current Top Pro

Hired 144 times

Background checked

9 employees

4 years in business

Business hours

Sun8:00 am - 8:00 pmMon8:00 am - 8:00 pm

Payment methods

This pro accepts payments via Apple Pay, Cash, Check, Credit card, Google Pay, PayPal, Samsung Pay, Stripe, and Zelle.

Social media

Instagram

Top Pro status

Top Pros are among the highest-rated, most popular professionals on Thumbtack.

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2025

Services offered
Door type(s)

Exterior door

Interior door

Additional services

Paint or stain the door

Install locks or hardware

Install a door threshold

Install new trim around the door

Property type

Home

Multi-unit building

Projects and media
Projects and media
Reviews

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

Excellent 4.9

80 reviews

5

98%

4

0%

3

1%

2

1%

1

0%

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Read reviews that mention:


pro avatar
Terry L.

Jul 9, 2026

Hired on Thumbtack

They were quick to respond and provided a flat fee to repair a door that had expanded and could no longer close. The fee was reasonable and communication was good. Job was done quickly and a video of the repair texted to me before payment was made. I would use them again

Details: Exterior door (e.g. front door, patio door) • Basic door (swings open and shut) • Wood • Home

Knock Knock Contractor's reply
Thank you, Terry! Glad the flat fee and the video update before payment gave you peace of mind — that's how we like to do business. We can also assist with a wide range of property needs from drywall, electrical issues, doors and plumbing to custom installations and assembling. Any handy jobs small or large, we're here to help! 628-265-6655 • kkcontractor.com • instagram.com/kkcontractor
Door Repair
pro avatar
Rick C.

7 days ago

Hired on Thumbtack

Tricky job with French Wooden Doors that are very old. Fixed job and then asked if there were any other projects he could help with. Much appreciated seeing if more to do and cleaning up his mess AND double checked his work to make sure a good job was done.

Details: Exterior door (e.g. front door, patio door) • French door (double door) • Wood • Home

Knock Knock Contractor's reply
Thank you, Rick. We’re glad the older French doors were repaired carefully and that our technician cleaned up, double-checked the work, and offered to help with anything else. We appreciate your feedback.
Door Repair
pro avatar
Debra D.

Mar 11, 2026

Hired on Thumbtack

Alex did a great job fixing our french doors. He arrived on time and worked steadily until the job was finished. Communication was excellent , we would use them again and we would definitely recommend Knock Knock contractors.

Details: Exterior door (e.g. front door, patio door) • French door (double door) • Mixed material (e.g. wood with windows) • Problems opening the door • Home

Knock Knock Contractor's reply
Debra, thank you for this. French doors are never as simple as they look so glad Alex got yours sorted out properly. I'll make sure he sees your note, he takes a lot of pride in finishing a job the right way. Call us anytime you need anything else.
Door Repair
pro avatar
Laticia W.

Mar 10, 2026

Hired on Thumbtack

I reached out to Knock Knock Contractor and was in communication with Alex K. He was very helpful with getting my bathroom door replaced being that I’ve never done it before. I sent measurements, they purchased the door and supplies needed and even gave me options to choose from. The whole process was simple and easy thanks to Alex K. and the contractor, also named Alex.

Details: Interior door, like a bedroom or closet door • 1 door • Standard • Wood • Yes, the new door replaces an existing door • No, I’ll purchase the door myself • Install locks or hardware • Home

Knock Knock Contractor's reply
Laticia, thank you so much for writing this out. Appreciate you choosing us :) !
Door Installation
pro avatar
Emerson T.

Feb 17, 2026

Hired on Thumbtack

like any do-it-yourselfer sometimes we get ourselves in trouble due to lack of experience. This was the case when I tried to align and adjust my mothers front door. I only made it worse and unable to close the door. Or even close to closing. With no time to spare (raining and holiday) I contacted Knock Knock. They were there within 2 hours and the tech rep was 100% professional. Within 1 hour he had undid my mess and fixed the door leaving us in a much better place.

Details: Exterior door (e.g. front door, patio door) • Basic door (swings open and shut) • Metal • Problems shutting the door • Hinge repair • Home

Door Repair
Credentials
Background Check

Vladyslav Shapovalov Shapovalov

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