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About
We’re a small, dedicated team specializing in window installation, siding installation, and siding repair. For the past 7 years, I’ve personally led every project, with support from my two trusted helpers, to make sure the job is done right the first time.
We focus on quality workmanship, clear communication, and treating your home with respect from start to finish. Whether you need new windows, updated siding, or repairs, we take the time to understand your needs and deliver reliable, long-lasting results.
If you’re looking for a small business that truly cares about every project, I’d be glad to talk about your next home improvement job.
Overview
Hired 40 times
Background checked
2 employees
7 years in business
Business hours
This pro hasn't listed their business hours.
Payment methods
This pro accepts payments via Apple Pay, Cash, Check, and Zelle.
Top Pro status
Top Pros are among the highest-rated, most popular professionals on Thumbtack.
2022
Services offered
Siding type
Wood
Vinyl
Metal
Masonry siding (brick, stucco, stone)
Property type
Residential
Projects and media
Projects and media
Reviews
Customers rated this pro highly for work quality, responsiveness, and professionalism.
Excellent 4.9
33 reviews
5
97%
4
0%
3
0%
2
0%
1
3%
Your trust means everything to us. Learn about our review guidelines.
Read reviews that mention:
Taran G.
Dec 6, 2025
•
Hired on Thumbtack
N7 did amazing. OT was amazing and did diligent work. He was fair with pricing and very professional. I will use N7 going forward for other projects.
Details: Large cracks or holes • Minor, cosmetic damage only • Wood • Home • Homeowner
Siding Repair
Rebecca L.
Apr 25, 2025
•
Hired on Thumbtack
Did an excellent job. Very happy with the work done on our siding.
Details: Large cracks or holes • Dings and dents • Minor, cosmetic damage only • Metal • Home
Siding Repair
Toni s.
Jul 31, 2021
•
Hired on Thumbtack
OT was quick to respond and quick to get the project done. He did a fantastic job replacing siding and color matching. Will definitely reach out to OT in the future when the next project arrives!
Details: Vinyl • Two stories • I would like to discuss with the professional • Less than 1,000 sq ft • Residential
N7 Construction LLC's reply
Thank you Sir! Wish all best 😀
Siding Installation
Nelda f.
Apr 27, 2025
•
Hired on Thumbtack
I needed floating shelves hung and messaged a Tasker and OT replied. He arrived within within an hour of my initial request which was great because we were wanting it done same day. He was extremely responsive, professional, and quick. The work was done efficiently and with great care. On top of that, he was super friendly, making the whole experience pleasant and hassle-free. Highly recommend! Thanks OT. We will definitely utilize your help again! The best!
Details: Less than 2 hours (Simple tasks) • Installation • Living room • Shelving • Wall hangings • Home
Handyman
Dave D.
Sep 12, 2021
•
Hired on Thumbtack
OT arrived at my home @ 9am 9/12/2021. Together we went to Home Depot where I had pre-ordered and paid for 6 PCs of 1x6x12ft trim board for project. He loaded them, then we went back to my home where he began work on projects. He followed my instructions and areas I specifically pointed out that needed done to my specs. Very quick, efficient and professionally done. On trim board and all painting plus 2 addt'l issues he pointed out that he did. Very PLEASED with this man's work. I will hire him again on related projects. I HIGHLY recommend him to anyone looking for affordable and quick completion of you projects.
Below is finished trim paint #1, finished trim board #2, finished trim board #3&4. #5&6 are before pics of warped and compromised siding.
In all, I had 12 separate issues to address plus he did 2 others to make everything look uniform and neat!
Details: Water damage • Wood • Home
Siding Repair
Credentials
Background Check
Otgonbayar Nyamdavaa
FAQs
What should the customer know about your pricing (e.g., discounts, fees)?
low price and high quality
What is your typical process for working with a new customer?
Ask what issue, color and type of material. I am gonna just install and repair siding customer will be live house. Customers desire is my job.
What education and/or training do you have that relates to your work?
i did not graduated any education in US. I was Mongolian Airforce's lieutenant engineer of turboprop engine. I have Master degree of aircraft jet engine.
