Room Addition Cost Long Beach CA 2026 — Full Price Guide

Room Addition Cost Guide for Long Beach, CA — 2026

Long Beach room additions vary widely based on neighborhood — from practical primary suite additions in East Long Beach bungalows at $800K–$1.2M, to premium addition projects in Bluff Park, Bixby Knolls, and Naples Island at $1.5M–$4.5M+. Long Beach is one of the most geographically diverse home markets in the greater LA area, and the right addition scope depends entirely on which Long Beach you live in. APLA Construction (CA Lic #1136359) handles room additions throughout Long Beach, managing City of Long Beach permits and all construction.

Long Beach Room Addition Costs by Scope (2026)

Scope 1: Bedroom Only — East Long Beach ($75,000–$138,000)

What you get: Single bedroom addition, 150–240 sq ft. Foundation, framing, roofline, electrical, insulation, finishes. City of Long Beach plan check.

Best for: East Long Beach homes at $650K–$1.2M needing a bedroom count increase for growing families.

Scope 2: Primary Suite — Bixby Knolls and Bluff Park ($158,000–$280,000)

What you get: Primary bedroom with attached primary bathroom and walk-in closet. Full MEP and finishes at the standard appropriate for Bixby Knolls and Bluff Park homes at $1M–$2M. Converting the typical 3/1.5 bungalow configuration to a 4/2 with true primary suite dramatically improves market position in these sought-after Long Beach neighborhoods.

Scope 3: Primary Suite — Naples Island and Belmont Shore ($195,000–$345,000)

What you get: Primary suite at Naples Island and Belmont Shore quality standards — higher-end finishes, natural stone in the bathroom, custom closet organization. At Naples Island values of $1.5M–$4.5M, the addition finish must match the home’s price position.

Scope 4: Second Story Addition ($340,000–$590,000+)

What you get: Full second story above an existing Long Beach single-story home. Particularly effective for compact Long Beach lots (4,000–6,000 sq ft) where horizontal addition is constrained. Approximately doubles square footage. City of Long Beach plan check: 6–10 weeks for second story structural additions.

City of Long Beach Permits

Long Beach is an independent city with its own Building and Safety Bureau at 333 W. Ocean Blvd — NOT LADBS. Long Beach plan check for room additions: 5–9 weeks. APLA manages all City of Long Beach permit submissions and inspections.

Frequently Asked Questions — Room Addition Cost Long Beach CA

How much does a room addition cost in Long Beach in 2026?

Bedroom only (East LB): $75,000–$138,000. Primary suite (Bixby Knolls/Bluff Park): $158,000–$280,000. Primary suite (Naples Island/Belmont Shore): $195,000–$345,000. Second story: $340,000–$590,000+. Long Beach addition costs vary significantly by neighborhood — Naples Island approaches South Bay premium pricing, while East Long Beach is more moderate.

Does Long Beach use LADBS for permits?

No. Long Beach is an independent city with its own Building and Safety Bureau. APLA manages all City of Long Beach permit submissions.

How long does a room addition take in Long Beach?

Bedroom only: 4–7 months. Primary suite: 5–9 months. Multi-room: 7–12 months. Second story: 9–16 months. City of Long Beach plan check: 5–9 weeks for structural additions.

Does APLA do room additions in Long Beach?

Yes. APLA (CA Lic #1136359) handles room additions throughout Long Beach. Call (818) 818-4419 for a free in-home estimate.

Get a Free Estimate for Your Long Beach Room Addition

Call: (818) 818-4419
Email: info@aplaconstruction.com
CA General Contractor License #1136359

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