Alpha SD Inc

Licensed general contractor in San Diego, California

CSLB licence active5.0(13 reviews)

Alpha SD Inc holds CSLB licence 1021187, active, licensed since 28 Nov 2016, rated 5.0 from 13 Google reviews. Bonded for $25,000 with Western Surety Company. Clean CSLB record, with no citations, complaints or legal actions disclosed.

77score

Report card

  • Licence activeCSLB #1021187, class B. Issued 28 Nov 2016, expires 30 Nov 2028.
  • Licensed 10 yrsSince 28 Nov 2016.
  • Bonded$25,000 with Western Surety Company, since 5 Nov 2025. California requires the same $25,000 bond of every contractor.
  • Workers' comp insuredHartford Casualty Insurance Company, policy 01WECAB9OIS, valid to 21 Aug 2027.
  • Clean CSLB recordNo citations, complaints or legal actions disclosed.CSLB record
  • Website shows the licenceTheir own site displays licence #1021187.
  • On the BBB, not accreditedIts BBB rating, complaints and reviews are on its Better Business Bureau profile.BBB profile Complaints Reviews

Checked against the Contractors State License Board (CSLB) register on 4 Nov 2026.

About Alpha SD Inc

People on the licence
Sitong Du (CEO and president), Mengnan Zhou (qualifier)

Google reviews

5.0(13 reviews)
Ken K★★★★★ 6 months ago

Great experience with Alpha K&B. We remodeled our primary bathroom, which included replacing the dual sink vanity, mirrors, and converting the fiberglass shower to a tile shower. Vivian came by to measure out the area and emailed us a quote in a few hours. The pricing was very reasonable and transparent. We visited the showroom where Livan patiently walked us through the entire process. We never felt pressured t…

Karthik S★★★★★ 2 years ago

We spoke to multiple contractors about our bathroom remodel (bathtub to walk-in shower conversion) and we are glad that we chose Alpha Kitchen and Bath. Since this was our very first remodeling project, we had many newbie questions ranging from the process, timeline, cost, how to select materials etc. Livan, our project manager, patiently answered all our questions. Once we finalized our plans, he was able to schedu…

Rochelle Martin★★★★★ 3 years ago

Livan was very helpful through out the process. I have my upstairs flooring done; replaced carpet to vinyl flooring. I am very happy with the work they have done. Their installation and material used are of high quality. Their price is very reasonable and affordable. I received excellent service. I will be using them again to replace downstairs flooring as well.

Robin Repovsch★★★★★ 7 months ago

I am so happy with my new kitchen. They did very professional work. And they were fast.They were kind from the beginning. I highly recommend them.

Cheryl Garnica★★★★★ a year ago

So glad to have found this company; 5 stars from me for costs, service and workmanship. Would hire again, they are a pleasure to work with and just completed a condo bath remodel. They were very efficient, starting and completing on time. Levon (project manager) and all the office staff kept me informed of any issues, questions, and spoke or emailed with them daily. I appreciated the great communication. Costs…

Read all 13 reviews on Google Reviews and photos from Google, refreshed every 30 days.

Why it ranks #333 of 2,851 general contractors in San Diego

Years licensed weight 3050%
Complaint record weight 25100%
Bond and workers' comp weight 10100%
Google reviews weight 3578%

Score 77.3 / 100. Claiming this listing or using Theo never changes it. How we rank

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