Free site visit: leave your number and the city.
Rather talk now? Call (818) 934-0075. We call back within 15 minutes: 8am to 5pm Monday to Thursday, 8am to 2pm Friday.
MAMOS Construction & Design is a design-build general contractor based in Woodland Hills. Joseph owns the company. CSLB license 1092889: you can look it up at cslb.ca.gov.
What we build
- ADUs built on site, detached or attached to the house.
- Garage conversions into permitted living units.
- Room additions and whole-house remodels, kitchens and bathrooms.
- Stucco repair, siding and exterior paint.
- Roof inspections, roof repair and re-roofs, for houses, condos, HOA and apartment buildings.

How a job runs
- The free site visit comes first. On an ADU lot we check the setbacks, easements, the sewer line and panel capacity.
- You get a written scope and quote for that address.
- The payment schedule is agreed with you before the contract is signed.
- We draw the plans, file with the city, answer the plan-check corrections and meet the inspectors.
- A lien release comes with each payment.

Where we work
The San Fernando Valley and the Westside. Project pages: Encino addition and remodel, Encino ADU, Rancho Park remodel and ADU, Long Beach addition. All of them: our work.

Free site visit: (818) 934-0075 or leave your number above.