The 10 Best Seismic retrofit contractors in Downey, CA

Design build general construction, form small additions and remodels to new residential-commercial construction

As the most promising general and concrete contractor in Los Angeles CA, we continuously strive for excellence as we make sure that our customers are provided with functionally efficient, cost-effective, and high-quality workmanship most especially in our commercial concrete and commercial plumbing services. Whether you need us for general contractor services such as tiling installations,... (more)

Licensed and insured construction company based in Downey, CA, serving residential and commercial clients across California. Sosa Quality Construction Inc. is a licensed and insured construction company based in Downey, CA, with over 25 years of experience providing residential and commercial construction services across California. We specialize in new construction and general remodeling,... (more)

Notable project: (Commercial. 1019 N Magnolia Ave, Anaheim, CA, 92801). Change of use: 8 100 sq.ft. from m occupancy to a2 occupancy for entire building (shell only). install demising wall to create unit e with mechanical electrical and plumbing. (unit e only)

Notable project: (Otc adds, alters & conversions residential. 210 W Regent St, Inglewood, CA, 90301). Add 10 square feet to existing first floor and remodel first floor to provide 2 bedrooms, replace existing front porch and add ramps for acessibility, convert two bedrooms on 2nd floor to study and entertainment/sitting room. reissuance of

Notable project: (Bldg-alter/repair. 741 W 117th St, Los Angeles, CA, 90044). Re-roof with class a or b material weighing less than 6 pound per sq. ft. over new solid sheathing. for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required for non-residential buildings per title 24 part 6... (more)

Notable project: (Interior demolition permit. 3850 Barranca Pkwy, Irvine, CA, 92606). Interior demolish demolish existing tenant improvements consolidate utilities for a single tenant. suites e-kl

Notable project: (Barbeque island. Cathedral Ridge Wy, Riverside, CA, 92503). Attach eng'd patio w/bbq island-gas/elec/wat

Notable project: (Plumbing. 3722 E Whittier Blvd, Los Angeles, CA, 90023). Bring plumbing back to original (replace & repipe fixtures) (3) small electrical water heaters and (4) roof drains. refer to permit#15041-10000-29162 for 2nd trade. comply with department order effective date 11/19/2014. permit will expire 30 days from issuance date