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Diamond Drywall, Inc. — San Diego drywall and metal framing contractor

Service Area · 92020

Drywall & metal framing
in El Cajon.

East County remodel work is our bread and butter — ranch-house additions, garage conversions, ADUs, and the occasional full custom rebuild.

Drywall services in El Cajon and East County.

Whether you're a general contractor running a buildout in El Cajon, a property manager handling unit turns, or a homeowner remodeling a kitchen — Diamond Drywall has crews moving through El Cajon regularly.

We know the local building code interpretations, the inspectors, and the supply houses that stock what we need. That means fewer surprises on your project and a tighter schedule.

Neighborhoods we serve in El Cajon

Fletcher HillsBostoniaGranite HillsRancho San Diego

Local & Licensed

Diamond Drywall in El Cajon.

  • CSLB License #1140600 · C-9 Drywall
  • GL + workers' comp insured
  • 24–48 hour estimate turnaround
  • Crews moving through El Cajon weekly

Reviews

What clients across San Diego say.

"Diamond hung and finished a 12,000 sf medical TI for us on a tight schedule and never blinked. Their Level 5 finish under the new LED grids was clean — no callbacks."

M. Reyes

Project Manager · San Diego commercial GC

"We had a water-damaged ceiling in our master bedroom from a slab leak. They cut, patched, retextured, and matched the orange peel perfectly. You can't see where the repair was."

Jennifer L.

Homeowner · La Mesa

"Used Diamond for the framing and drywall on three of our ADU projects this year. They're on plan, on schedule, and they communicate with our supers daily."

R. Patel

Owner · North County ADU builder

"David and his crew came out for a small repair and treated it like a $50k job. That's why we keep calling them for everything."

Carlos M.

Property Manager · South Bay multi-family portfolio

"We needed metal framing for a complicated medical buildout — curved soffits, shaft walls, the works. Diamond came in under bid and three days ahead of schedule. Foreman ran his crew like a Swiss watch."

A. Nguyen

Senior PM · Mission Valley healthcare GC

"Our restaurant build needed Level 5 finish on every visible plane for the dining room. They were the only bidder who explained the difference between Level 4 and Level 5 without me having to ask. That confidence is why they got the job."

S. Hartman

Owner · North Park restaurant group

"I'm an interior designer, and Diamond is the only drywall crew I trust to match custom textures to existing walls in older homes. They bring sample boards. They test on cardboard. Nobody else does that."

Marisol C.

Principal Designer · La Jolla design studio

"Insurance claim job — flooded condo, three rooms gutted. Diamond handled the scope documentation with my adjuster directly. Reopened the unit two weeks faster than I expected. We use them on every claim now."

D. Foster

Restoration GC · San Diego County

FAQ

Common questions.

Are you licensed and insured?

Yes. Diamond Drywall is a licensed California contractor — CSLB License #1140600, C-9 Drywall classification. We carry general liability and workers' compensation insurance on every job, and we'll provide a certificate of insurance on request.

What areas of San Diego do you serve?

We work across all of San Diego County — from Chula Vista and the South Bay up through Downtown, La Jolla, and the North County coastal cities (Carlsbad, Encinitas, Oceanside), and east into El Cajon, La Mesa, and Santee. If you're in San Diego County, we can quote your job.

Do you do both commercial and residential work?

Yes. Our core work is commercial tenant improvements, multi-family, and ground-up — drywall and metal framing as a trade partner to general contractors. We also handle residential remodels, custom homes, ADUs, and repair work directly for homeowners.

How fast can I get an estimate?

For most jobs, we can return a written estimate within 24–48 hours of a site walk or plan review. For commercial bids with full plans, we typically deliver inside one week. Call (619) 471-7233 or book a free estimate online to get started.

Local to El Cajon

Need drywall in El Cajon?

Free estimate, fast turnaround, clean finish. We'll be on-site this week.