Historical Gypsum Inc
Licensed drywall contractor in Sylmar, Los Angeles, California
Historical Gypsum Inc holds CSLB licence 505710, active, licensed since 18 Feb 1987, rated 4.8 from 4 Google reviews. Bonded for $25,000 with Western Surety Company. Clean CSLB record, with no citations, complaints or legal actions disclosed.
Report card
- Licence activeCSLB #505710, class C-9. Issued 18 Feb 1987, expires 31 Dec 2026.
- Licensed 40 yrsSince 18 Feb 1987.
- Bonded$25,000 with Western Surety Company, since 16 Jan 2024. California requires the same $25,000 bond of every contractor.
- Works aloneExempt from workers' comp: certifies no employees, so nobody else may work on your job.
- Clean CSLB recordNo citations, complaints or legal actions disclosed.CSLB record
- 1 building permit since 2020Pulled under this licence (City of Los Angeles, LADBS), most recently 15 May 2023.
Checked against the Contractors State License Board (CSLB) register on 4 Nov 2026.
About Historical Gypsum Inc
Historical Gypsum, Inc. is based in Los Angeles and works on custom plaster and related decorative molding projects.
- Founded
- 1957
- Serves
- Los Angeles
- People on the licence
- John Nicolas Paras (qualifier, CEO and president)
From Historical Gypsum Inc's own website, read 5 Nov 2026. We only show what the site states.
Google reviews
4.8(4 reviews)Larry C.★★★★★ 7 years agoView on Google
My high end residential remodeling clients have high budgets but very little time to spare in their day. So I need to get my bids and work done right the first time, every time for them. I'm happy that John at HG is my guy I sub out the Architectural moldings to and his standards match my own.
Gary Barnard★★★★★ 9 years agoView on Google
Very good
Rajkumar★★★★★ 2 years agoView on Google
Baby
Read all 4 reviews on Google Reviews and photos from Google, 4 Nov 2026.
Recent permits
Building permits pulled under license #505710, from City of Los Angeles, LADBS open data, which names contractors up to 30 Oct 2026. Locations are shown to ZIP code only.
- 15 May 2023 · Bldg-Alter/Repair · ZIP 90048eplan RECONSTRUCTION OF AN EXISTING FACADE. NEW PRECAST AT EXTERIOR WI
Why it ranks #270 of 272 drywall contractors in Los Angeles
Score 86.5 / 100. Claiming this listing or using Theo never changes it. How we rank
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