ADU Builder in Marina del Rey, CA
Searching for ADU builder in Marina del Rey? HMO Construction builds across Marina del Rey and greater Los Angeles — licensed, bonded, and insured, with fixed written pricing and free estimates.
ADU Builder in Marina del Rey
Detached and attached accessory dwelling units — also known as granny flats or in-law suites — from design and permit through framing, utilities, and final walkthrough. We handle the LADBS permit path and JADU/ADU code so your unit is rentable and inspection-ready.
Waterfront properties with specific moisture and code needs. Every Marina del Rey project is run by one team from drawings to final walkthrough — no subcontractor runaround, no surprise pricing.
What's included
- Detached, attached & garage-conversion ADUs
- Design, drawings & city permit handling
- Full utilities: water, sewer, electrical sub-panel
- Title-24 energy compliance & inspections
- Rentable, move-in-ready finish
Why Marina del Rey homeowners choose HMO Construction
We're a full-service general contractor based nearby in Reseda, so we know Marina del Rey permitting, inspectors, and lot conditions. You get fixed written pricing before work starts, and we'll beat any legitimate estimate in town.
ADU Builder in Marina del Rey — FAQ
How much does an ADU cost in Marina del Rey?
Most Marina del Rey ADUs run about $150k–$350k depending on size, site work, and finishes. After a free on-site visit we give you fixed written pricing — no surprises — and we’ll beat any legitimate quote.
How long does it take to build an ADU in Marina del Rey?
Plan on roughly 2–4 months for design and permits in Marina del Rey, then 3–5 months of construction. We manage the LADBS/city path so it keeps moving.
Do I need a permit for an ADU in Marina del Rey?
Yes. ADUs require permits — we handle the drawings, submittal, and inspections for your Marina del Rey property so the finished unit is legal and rentable.
Is an ADU the same as a granny flat in Marina del Rey?
Yes — "granny flat," "in-law suite," and "ADU" all mean the same accessory dwelling unit under California and Marina del Rey code. We build all three types: detached, attached, and garage-conversion.
Permits in Marina del Rey
Marina del Rey is unincorporated Los Angeles County, so the permit is issued by LA County Public Works rather than by a city building department. Coastal parcels can also need a separate Coastal Development Permit. We scope that before pricing so it isn't a surprise mid-project.