The Two-Bedroom — Oahu ADU | IBBUILDERS Hawaii
IBBUILDERS ADU Collection

The Two-Bedroom

~800 SQ FT2 BED1 BATH · LANAI
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Room for a growing family or a premium rental — two real bedrooms, open living, and a designed lanai.

The Two-Bedroom is the full package: two private bedrooms on opposite ends for real separation, a central open living-dining-kitchen, a full bath, and a generous covered lanai. It's a complete second home — ideal for multigenerational living or the highest-value rental your lot can hold.

What you get

  • Two private bedrooms + closets
  • Full bath — vanity, walk-in shower
  • Open living/dining with island kitchen
  • Full-size appliances
  • Generous covered lanai
  • Permitted & built to Oahu code

See inside

ADU interior — vaulted living and kitchen
Kitchens worth cooking in. Vaulted ceilings and an island open to the living space.
ADU interior — bright bedroom
Bedrooms that breathe. Full-size, light-filled, and private.
ADU interior — spa bathroom
Baths with breathing room. Walk-in showers, stone tile, matte-black fixtures.

Interior design concepts — you choose the finishes, flooring, cabinets, and fixtures with us.

The layout

The Two-Bedroom 3D floor plan
3D layout — illustrative design concept
The Two-Bedroom dimensioned plan
Dimensioned layout — preliminary, not for construction

Choose your look

Plantation White

Bright white stucco, warm cedar accents, bronze standing-seam roof. Timeless island classic.

Coastal Grey

Soft grey board-and-batten, crisp white trim, black windows, light-oak warmth. Breezy and coastal.

Lava Charcoal

Dramatic charcoal siding, rich teak, matte-black metal, concrete. Bold and modern.

Palettes are illustrative — or we’ll match your main house.

Investment & return

Straight talk — most Oahu contractors hide their pricing. We won’t. Here’s an honest planning range to build The Two-Bedroom on Oahu. Your exact price depends on your lot, utilities, and the finishes you choose.

The unit — built & permitted
$450K–$580K
Standard to premium finishes. Includes design, DPP permit, and utility connections.
Designed yard & hardscape (optional · phaseable)
+ $60K–$110K
Pavers, planter walls, landscape lighting, landscaping, lanai & fire feature as shown in the photos.
Rent potential
$3,200–$4,400/mo
A permitted ADU can cover much of its own financing — many pay for themselves in about 10–12 years.

Planning estimates for budgeting — not a quote. We’ll give you a firm, line-item price for your lot in your consultation, and we can walk you through financing.

Why build it with IBBUILDERS

Custom-built on your lot by a licensed Oahu general contractor (BC-39795) — not a mainland box shipped in a crate. We handle the DPP permit, the Hawaii build sequence, and the inspections, and you always know where it stands with a live project board and daily photo logs. Already pulled your own permit? We’ll take it over →

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Price The Two-Bedroom for My Lot

Tell us about your property and we’ll walk your ADU with you — a clear plan and an honest price, no pressure.

Prefer to talk? Call or text (808) 330-1164.

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