Our Services

One crew, every trade covered.

Modern 400 sq ft home addition under construction in Los Angeles backyard
01
Home Additions

We extend footprints with engineered slab-on-grade foundations, seismic retrofits, and flush rooflines that look original. Bedrooms, family rooms, or second stories—permits pulled same week.

Get a Quote
02
Room Additions

Need a nursery or office? We pop out load-bearing walls, match existing stucco texture, and tie into HVAC without zone loss. Average timeline: 8 weeks start to finish.

Get a Quote
Interior view of new room addition seamlessly blended into existing Los Angeles home
Detached ADU garage conversion with modern siding and large windows
03
ADU Construction

garages into 500 sq ft rental units with mini-split systems, tankless heaters, and separate meters. City-compliant setbacks and fire-rated drywall included.

Get a Quote
04
Kitchen Remodeling

Full guts to finish: we relocate gas lines, install soft-close cabinetry, waterfall quartz islands, and under-cab LED strips. Pull permits, schedule inspections, hand over keys.

Get a Quote
Sleek white and walnut kitchen remodel with waterfall quartz island
Modern bathroom addition featuring frameless glass shower and skylight
05
Bathroom Additions

Stacked plumbing, curbless showers, and skylight cut-ins. We waterproof with Schluter systems and deliver spa-grade tile work in under three weeks.

Get a Quote
06
Permit Handling

Our in-house expediters submit plans at LADBS, track corrections, and secure sign-offs so you never queue at the counter.

Get a Quote
Onyx team member reviewing stamped construction permits at LADBS counter

Ready for more space?

Book your free design consultation today—plans and same-day estimate within 24 hours.

Send My Request