Costs & budgets
How much does an ADU cost in Marina del Rey?
Marina del Rey ADUs cost $85K–$165K for a garage conversion and $230K–$420K for a detached new build in 2026 — typical of the Los Angeles market. Lot conditions, utility upgrades, and finish tier are the biggest swing factors.
Marina del Rey construction labor and permit fees track the broader Los Angeles market within ±10%. Hillside parcels, historic overlays, and corner lots can each add 8–15% to the base number.
Two-thirds of Marina del Rey ADU budgets land within ±15% of the midpoint when scope is locked early. Most cost surprises come from late selection changes or undiscovered site conditions.
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Related questions
- • How long does it take to build an ADU in Marina del Rey?
- • Do I need a permit for an ADU in Marina del Rey?
- • What's the cheapest ADU type in Marina del Rey?
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