ADU Contractors in La Crescenta, CA — License-Verified Contractors
Every contractor below holds an active California license with an office of record in La Crescenta, verified against CSLB public data as of November 6, 2026: general builders — A (General Engineering) and B (General Building), the classifications that can build an ADU — and the licensed trades ADU construction uses, C-10 Electrical, C-36 Plumbing and C-5 Framing & Rough Carpentry. Listings are alphabetical; the featured builder is labeled, never ranked.
ADU rules — setbacks, size limits, parking, and fees — are set by the local jurisdiction and change often. Before you hire, read the ADU permit process guide and the Southern California ADU cost guide, and verify any license free at CSLB.
Mars Construction Industries Corp
ADU Cities' own design-build team
CSLB #1138550 · A · B · C-36 · C-20
Building ADUs across Los Angeles, Orange, Riverside, San Bernardino, San Diego & Ventura counties
192 license-verified contractors based in La Crescenta — page 2 of 4
Electric Connection The
C-10Electric Guy Inc
C-10C-20Falcon Fire Protection Inc
C-16C-34C-36Fernandez Construction Company
Fernandez Project Services Inc
ABC-10Fischer Construction
BFlorins Electric
C-10Foothill Construction General Contractors Inc
BFoothill Plumbing
Lonsdale Ventures
C-36Fox Bob & Sons Remodeling
BFranzen Robert Alfred
BFredrick Towers Inc
ABC-10C-12C-20C-27C-36C-8Frontline Fire Protection
BC-16C-36Full Circle Electric
C-10G - Tech Construction Company
BG And L Electric Contractor
C-10Galbraith Construction
ABGanpat Properties
BC-8Glenwood Building Company LLC
BC-10Global Construction Co
BGlobal Fire Technologies Inc
C-10C-7Glynn Construction
BC-29C-53Gordon Ian Bruce
BGorian Development Inc
ABGrace Associates Inc
BGrace Electric Co
C-10Gregg Electric
C-10Grigorian Khachik
ABHaghverdian Roubik
BC-36Hakes Beth Interiors Inc
BHales Kendall Joseph
BC-53C-6Hall Robert Excavating
BC-12C-21D-09HAZHarkjoo Joseph Kim
BHartmann Construction
BHeygood Construction Inc
BHong Byung Kook
C-36House Painting Inc
BC-33Hydraulic Fire Protection
Plato Builders Inc
BC-16Infinite Development Group
BInnovative Constructions
BIsao Construction
BC-10C-36Izan Electric
Izan Industries Inc
C-10J G Construction
Goldsworthy James Richard
BJ M Sierra Company Inc
BJj Custom Construction Inc
BJohn Nelson Plumbing Company Inc
C-36John Seo Contractor
Seo John
BK - 12 Builders & Consultants Inc
ABC-10C-12C-20C-27C-8Kathco Inc
BKim Jae Bok
BData source: CSLB public records as of November 6, 2026 · Verify any license at CSLB