Room additions in Sherman Oaks are one of the most popular ways Valley homeowners create more space without the expense and disruption of moving. The neighborhood’s large lots, high home values, and active resale market make room additions a smart financial choice — particularly primary suite additions and second story additions on Sherman Oaks’ classic ranch homes. APLA Construction (CA Lic #1136359) is a Valley-based licensed general contractor handling room additions throughout Sherman Oaks.
Sherman Oaks falls under LADBS jurisdiction. Permit fees for room additions run $3,000–$12,000 depending on project scope. See our full room addition cost guide for Los Angeles.
Sherman Oaks’ stock of 1960s–1970s ranch homes was built before primary suites were standard. Adding a proper primary suite (400–600 sq ft with a generous bathroom and walk-in closet) is the single highest-ROI addition in Sherman Oaks. APLA has managed primary suite additions throughout Sherman Oaks and the surrounding Valley communities.
When lot coverage is maxed out, going vertical is the solution. Second story additions on Sherman Oaks ranch homes add 1,000–1,600 sq ft of upper floor space. The existing first floor typically needs structural reinforcement and a new staircase, but the result transforms a modest single-story home. See our second story addition Los Angeles guide.
Sherman Oaks is in the City of Los Angeles. Room addition permits are processed through LADBS. All structural additions require engineering calculations stamped by a licensed California structural engineer. Permit processing takes 5–10 weeks for a complete submittal. APLA coordinates structural engineering and manages all LADBS permit submissions for Sherman Oaks room addition projects.
A bedroom addition in Sherman Oaks costs $85,000–$162,000 in 2026. A primary suite addition runs $128,000–$235,000. A full second story addition costs $225,000–$420,000. All figures include design, engineering, LADBS permits, and all construction. APLA provides free written estimates for all Sherman Oaks room addition projects.
A bedroom or primary suite addition in Sherman Oaks takes 10–16 months from contract signing to final inspection: 4–6 weeks for design/engineering, 5–10 weeks for LADBS permit processing, and 14–22 weeks for construction. A second story addition takes 14–20 months total.
Yes. APLA is Valley-based and has completed bedroom additions, primary suite additions, and second story additions throughout Sherman Oaks. Call (818) 818-4419 for a free on-site estimate.
Call: (818) 818-4419
Email: info@aplaconstruction.com
CA General Contractor License #1136359
Serving Sherman Oaks, Studio City, Encino, Tarzana, and the San Fernando Valley. See our complete Room Addition Los Angeles guide.