Room Addition Contractor Westwood CA — Costs & 2026 Guide

Room Addition Contractor in Westwood, CA

Westwood room additions represent premium Westside investment in a neighborhood where home values of $2M–$6M support significant construction investment and where the UCLA-adjacent location creates consistent demand from buyers and renters seeking larger, well-renovated homes. APLA Construction (CA Lic #1136359) handles room addition projects throughout Westwood, managing all LADBS permits and construction under one contract.

Room Addition Costs in Westwood (2026)

Ground-Floor Primary Suite Addition

• Cost: $205,000–$395,000
• Timeline: 22–36 weeks
• Scope: New foundation and framing for 500–750 sq ft primary bedroom with walk-in closet and en suite bath; natural stone tile, radiant heat, soaking tub, steam shower, custom millwork; architecturally integrated with existing home

Home Office or Guest Suite Addition

• Cost: $168,000–$315,000
• Timeline: 18–28 weeks

Second Story Addition

• Cost: $420,000–$820,000+
• Timeline: 32–50 weeks
• Notes: Westwood Hills and Comstock Hills hillside properties require additional LADBS hillside review. Second stories in Westwood are frequently designed to capture views toward Century City, the ocean, or the Getty Museum complex.

Frequently Asked Questions — Room Addition Westwood CA

How much does a room addition cost in Westwood in 2026?

Ground-floor primary suite: $205,000–$395,000. Second story: $420,000–$820,000+. Westwood is a premium Westside market — pricing is above the Valley, comparable to Century City and Santa Monica for equivalent scopes.

How long does a room addition take in Westwood?

Ground-floor: 18–36 weeks. Second story: 32–50 weeks. LADBS plan check (8–14 weeks for room additions) is the primary pre-construction schedule driver. Westwood Hills hillside properties add 2–4 weeks for soils review.

Does APLA do room additions in Westwood?

Yes. APLA (CA Lic #1136359) handles room additions throughout Westwood, including flat-lot and hillside properties. Call (818) 818-4419 for a free estimate.

Can I add a room to my Westwood home for rental income?

For rental income purposes, an ADU is often more practical than a room addition — it creates an independent unit that can be rented while you live in the main home. Given UCLA’s ADU rental demand ($2,800–$4,200/month), an ADU garage conversion is often the right investment strategy over a room addition for Westwood homeowners focused on income generation.

Start Your Westwood Room Addition

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

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