Torrance is one of the most active room addition markets in the South Bay. Large lots, a housing stock of 1950s–1970s ranch homes with undersized floor plans, rising home values ($1.1M–$1.8M), and consistent demand for more living space all create strong conditions for room addition investment. APLA Construction (CA Lic #1136359) handles room additions throughout Torrance — from Old Torrance to the Hollywood Riviera — managing all City of Torrance permits and construction trades under one contract.
Room addition permits in Torrance go through the City of Torrance Building and Safety Division at 3031 Torrance Blvd — NOT LADBS. Plan check for room additions takes 3–5 weeks. APLA manages all City of Torrance submissions and inspections.
A ground-floor primary suite addition costs $168,000–$310,000. A family room addition costs $145,000–$270,000. A second story addition costs $345,000–$620,000+. Torrance addition costs are among the most affordable in the South Bay — lower than Manhattan Beach and Hermosa Beach — while still producing strong returns at current Torrance home values.
No. Torrance has its own Building and Safety Division at 3031 Torrance Blvd. Room addition permits in Torrance do not go through LADBS. APLA manages all City of Torrance submissions.
A ground-floor addition takes 11–18 weeks. A second story takes 14–25 weeks. City of Torrance plan check takes 3–5 weeks — faster than LADBS for equivalent scopes.
A primary suite addition adds the most value in Torrance. Converting a 3-bedroom home to 4 bedrooms with a primary suite with dedicated bath is the strongest value driver for Torrance buyers. Hollywood Riviera second story additions with view windows also command strong premiums in the market.
Call: (818) 818-4419
Email: info@aplaconstruction.com
CA General Contractor License #1136359
Serving all Torrance neighborhoods, Redondo Beach, Manhattan Beach, and the South Bay. General Contractor Torrance | Home Remodeling Torrance | Room Additions Los Angeles