Doctor Piper Inc

Report card

• Licence activeCSLB #885044, class C36, C46. Issued 29 Sep 2006, expires 30 Sep 2028.
• Licensed 20 yrsSince 29 Sep 2006.
• Bonded$25,000 with Merchants Bonding Company (Mutual), since 25 Aug 2026. California requires the same $25,000 bond of every contractor.
• Workers' comp insuredThe Continental Insurance Company, policy WC739211768, valid to 5 Mar 2027.
• Clean CSLB recordNo citations, complaints or legal actions disclosed.CSLB record
• On the BBB, not accreditedIts BBB rating, complaints and reviews are on its Better Business Bureau profile.BBB profile Complaints Reviews
• 6 building permits since 2020Pulled under this licence (City of Los Angeles, LADBS), most recently 17 Nov 2021.

Checked against the Contractors State License Board (CSLB) register on 3 Nov 2026.

About Doctor Piper Inc

People on the licence

Mladen Stoychev Mladenov (qualifier, CEO and president)

Recent permits

Building permits pulled under licence #885044, from City of Los Angeles, LADBS open data. Locations are shown to ZIP code only.

• 17 Nov 2021 · Plumbing · ZIP 90026Apartment
• 16 Nov 2021 · Plumbing · ZIP 90026Apartment
• 16 Aug 2021 · Plumbing · ZIP 914031 or 2 Family Dwelling
• 23 Sep 2020 · Plumbing · ZIP 90035Apartment
• 19 Jul 2020 · Plumbing · ZIP 900771 or 2 Family Dwelling

Why it ranks #796 of 1,934 plumbers in Los Angeles

Score 65 / 100. Claiming this listing or using Theo never changes it. How we rank