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ADU Floor Plans

Compact (Under 500 SF)

The Hide – 200 Sq Ft Studio 3D ADU Plan
The Hide – 200 Sq Ft Studio 2D ADU Plan

The Hide – 200 Sq Ft Studio ADU Floor Plan

From $100,000

area 200 sq ft bedrooms Studio bathrooms 1 Bath
Micro – 200 Sq Ft Studio 3D ADU Plan
Micro – 200 Sq Ft Studio 2D ADU Plan

Micro – 200 Sq Ft Studio One-Story ADU Floor Plan

From $100,000

area 200 sq ft bedrooms Studio bathrooms 1 Bath
Micro 267 – Compact Living Series: Studio ADU Floor Plan
Micro 267 – Compact Living Series: 2D Floor Plan
Micro 267 Studio ADU: Exterior

Micro – 267 Sq Ft Studio ADU Floor Plan

From $100,000

area 267 sq ft bedrooms Studio bathrooms 1 Bath
Pebblewake – 300 Sq Ft 1-Bedroom One-Story 3D ADU Floor Plan
Pebblewake – 300 Sq Ft ADU 2D Plan

Pebblewake – 300 Sq Ft 1-Bedroom One-Story ADU Floor Plan

From $100,000

area 300 sq ft bedrooms 1 Bed bathrooms 1 Bath
Urban 40 – 1 Bed Container ADU: 3D Floor Plan
Urban 40 – 1 Bed Container ADU: 2D Floor Plan
Urban 40 – 1 Bed Container ADU: Exterior
Urban 40 – Compact Living Series: Bedroom
Urban 40 – Compact Living Series: Kitchen

Urban 40 – 320 Sq Ft One-Bedroom Container ADU Plan

From $100,000

area 320 sq ft bedrooms 1 Bed bathrooms 1 Bath
Cozy Corner – 340 Sq Ft One-story Studio 3D ADU Plan
Cozy Corner – 340 Sq Ft One-story Studio 2D ADU Plan

Cozy Corner – 340 Sq Ft One-story Studio ADU Plan

From $100,000

area 340 sq ft bedrooms Studio bathrooms 1 Bath
Meadow Rise Studio – 350 Sq Ft One-Story 3D ADU Plan
Meadow Rise Studio – 350 Sq Ft One-Story 2D ADU Plan

Meadow Rise Studio – 350 Sq Ft One-Story ADU Plan

From $105,000

area 350 sq ft bedrooms Studio bathrooms 1 Bath
Casa Piccola – 1 Bedroom ADU: 3D Floor Plan
Casa Piccola: 1 Bedroom ADU Floor Plan
Casa Piccola – 1 Bedroom ADU: Exterior

Casa Piccola – 352 Sq Ft One-Bedroom ADU Plan

From $105,600

area 352 sq ft bedrooms 1 Bed bathrooms 1 Bath
The Emerald Nook – 365 Sq Ft One-Bedroom 3D ADU Plan
The Emerald Nook – 365 Sq Ft One-Bedroom 2D ADU Plan

The Emerald Nook – 365 Sq Ft One-Bedroom ADU Plan

From $109,500

area 365 sq ft bedrooms 1 Bed bathrooms 1 Bath
The Juniper Loft – 370 Sq Ft One-Bedroom 3D ADU Plan
The Juniper Loft – 370 Sq Ft One-Bedroom 2D ADU Plan

The Juniper Loft – 370 Sq Ft One-Bedroom ADU Plan

From $111,000

area 370 sq ft bedrooms 1 Bed bathrooms 1 Bath
The Luminous Haven – 380 Sq Ft One-Bedroom 3D ADU Plan
The Luminous Haven – 380 Sq Ft One-Bedroom 2D ADU Plan

The Luminous Haven – 380 Sq Ft One-Bedroom ADU Plan

From $114,000

area 380 sq ft bedrooms 1 Bed bathrooms 1 Bath
Driftwood – 400 Sq Ft ADU 3D Plan
Driftwood – 400 Sq Ft ADU 2D Plan

Driftwood – 400 Sq Ft 1-Bedroom One-Story ADU Floor Plan

From $120,000

area 400 sq ft bedrooms 1 Bed bathrooms 1 Bath
Casa Siesta – 1 Bed Garage Conversion ADU: 3D Floor Plan
Casa Siesta – Rancho Sol Series, 430 sq ft: 2D Floor Plan
Casa Siesta – Rancho Sol Series, 430 sq ft ADU: Exterior

Casa Siesta – 430 Sq Ft 1-Bedroom Garage ADU Plan

From $128,997

area 430 sq ft bedrooms 1 Bed bathrooms 1 Bath
Woodline – Modern Form Series: 3D Floor Plan
Woodline – Modern Form Series: 2D Floor Plan
Woodline – Modern Form Series: Exterior

Woodline – 443 Sq Ft 1-Bedroom ADU Floor Plan

From $132,900

area 443 sq ft bedrooms 1 Bed bathrooms 1 Bath
Casa del Fuego – Rancho Sol Series: 3D Floor Plan
Casa del Fuego – Rancho Sol Series: Exterior

Casa del Fuego – 478 Sq Ft 1-Bedroom ADU Floor Plan

From $143,400

area 478 sq ft bedrooms 1 Bed bathrooms 1 Bath
Studio 480 – Studio ADU 3D Floor Plan (480 sq ft)
Studio 480 – Studio ADU 2D Floor Plan (480 sq ft)

Studio – 480 Sq Ft One-Story ADU Floor Plan

From $144,000

area 480 sq ft bedrooms Studio bathrooms 1 Bath
Urban 50 – Studio ADU 3D Floor Plan (495 sq ft)
Urban 50 – Studio ADU 2D Floor Plan (495 sq ft)

Urban 50 – 495 Sq Ft Studio ADU Floor Plan

From $148,500

area 495 sq ft bedrooms Studio bathrooms 1 Bath
The Nest – Studio ADU 3D Floor Plan (500 sq ft)
The Nest – Studio ADU 2D Floor Plan (500 sq ft)

The Nest – 500 Sq Ft Studio ADU Floor Plan

From $149,970

area 500 sq ft bedrooms Studio bathrooms 1 Bath
Sunset Haven – 500 Sq Ft 1-Bed 1-Bath Duplex 3D ADU Plan
Sunset Haven – 500 Sq Ft 1-Bed 1-Bath Duplex Exterior
Sunset Haven – 500 Sq Ft 1-Bed 1-Bath Duplex 2D ADU Plan

Sunset Haven – 500 Sq Ft 1-Bed 1-Bath Duplex ADU Plan

From $150,000

area 500 sq ft bedrooms 1 Bed bathrooms 1 Bath

Small (501–750 SF)

Angle One – Modern Form Series: 3D Floor Plan
Angle One – Modern Form Series: 2D Floor Plan
Angle One – Modern Form Series: Exterior

Angle One – 525 Sq Ft 1-Bedroom ADU Floor Plan

From $157,500

area 525 sq ft bedrooms 1 Bed bathrooms 1 Bath
Casa Agile – 2 Bedroom ADU Floor Plan
Casa Agile – Rancho Sol Series: 3D Floor Plan
Tiny House Casa Agile – Rancho Sol Series: Exterior

Casa Agile – 543 Sq Ft 2-Bedroom ADU Floor Plan

From $162,900

area 543 sq ft bedrooms 2 Bed bathrooms 1 Bath
Cedar Knoll Loft – 580 Sq Ft 2-Bed Two-Story 3D ADU Plan
Cedar Knoll Loft – 580 Sq Ft 2-Bed Two-Story 3D ADU Plan
Cedar Knoll Loft – 580 Sq Ft 2-Bed Two-Story 2D ADU Plan
Cedar Knoll Loft – 580 Sq Ft 2-Bed Two-Story 2D ADU Plan

Cedar Knoll Loft – 580 Sq Ft 2-Bed Two-Story ADU Plan

From $174,000

area 580 sq ft bedrooms 2 Bed bathrooms 1 Bath
Luna – 600 Sq Ft 1-Bedroom One-Story 2D 3D ADU Plan
Luna – 600 Sq Ft 1-Bedroom One-Story 2D ADU Plan

Luna – 600 Sq Ft 1-Bedroom One-Story ADU Plan

From $180,000

area 600 sq ft bedrooms 1 Bed bathrooms 1 Bath
Pinecrest Terrace – 680 Sq Ft Two-Story ADU Plan
Pinecrest Terrace – 680 Sq Ft Two-Story ADU Plan
Pinecrest Terrace – 680 Sq Ft Two-Story ADU Plan
Pinecrest Terrace – 680 Sq Ft Two-Story ADU Plan

Pinecrest Terrace – 680 Sq Ft Two-Story ADU Plan

From $204,000

area 680 sq ft bedrooms 2 Bed bathrooms 2 Bath
Calla 690 sq ft ADU 3D floor plan
Calla 690 sq ft ADU floor plan
Calla – 690 Sq Ft 2-Bedroom One-Story ADU Exterior

Calla – 690 Sq Ft 2-Bedroom One-Story ADU Plan

From $207,000

area 690 sq ft bedrooms 2 Bed bathrooms 1 Bath
3D layout of Nest 700 sq ft duplex ADU with 2 bedrooms and 2 bathrooms
Nest 700 sq ft duplex ADU floor plan with 2 bedrooms and 2 bathrooms

Nest – 700 Sq Ft 2 Bedroom, 2 Bathroom Duplex ADU Plan

From $210,000

area 700 sq ft bedrooms 2 Bed bathrooms 2 Bath
Nova 705 – Modern Form Series: 3D Floor Plan
Nova 705 – Modern Form Series: 2D Floor Plan
Small House Nova 705 – Modern Form Series: Exterior

Nova – 705 Sq Ft 3-Bedroom ADU Plan

From $211,500

area 705 sq ft bedrooms 3 Bed bathrooms 2 Bath
Villa Largo – Rustica Series: 3D Floor Plan
Villa Largo – Rustica Series: 2D Floor Plan
Villa Largo – Rustica Series: Exterior

Villa Largo – 748 Sq Ft 2-Bedroom ADU Plan

From $224,400

area 748 sq ft bedrooms 2 Bed bathrooms 1 Bath
3D layout of Noma 750 sq ft duplex ADU with mirrored residences
Noma 750 sq ft duplex ADU floor plan with mirrored one-bedroom units

Noma – 750 Sq Ft Duplex ADU Plan | 2 Bed, 2 Bath One-Story Design

From $225,000

area 750 sq ft bedrooms 2 Bed bathrooms 2 Bath

Medium (751–1000 SF)

3D layout of Solano 770 sq ft ADU with 2 bedrooms and open-concept living
Solano 770 sq ft ADU floor plan with 2 bedrooms and 1 bathroom

Solano – 770 Sq Ft 2-Bedroom One-Story ADU Plan

From $231,000

area 770 sq ft bedrooms 2 Bed bathrooms 1 Bath
The Solstice Residence – 780 Sq Ft 1-Bedroom Single-Story 3D ADU Plan
The Solstice Residence – 780 Sq Ft 1-Bedroom Single-Story 2D ADU Plan
The Solstice Residence 780 sq ft one-story ADU exterior design

The Solstice Residence – 780 Sq Ft 2-Bedroom Single-Story ADU Plan

From $234,000

area 780 sq ft bedrooms 2 Bed bathrooms 1 Bath
3D layout of Riviera 792 sq ft ADU with 2 bedrooms, 2 bathrooms, and open-concept living
Riviera 792 sq ft ADU floor plan with 2 bedrooms and 2 private bathrooms
Riviera – 792 Sq Ft 2-Bedroom One-Story ADU Exterior

Riviera – 792 Sq Ft 2-Bedroom One-Story ADU Plan

From $237,600

area 792 sq ft bedrooms 2 Bed bathrooms 2 Bath
La Terraza – Rustica Series: 800 sq ft ADU 3D floor plan
La Terraza – Rustica Series: 800 sq ft ADU 3D floor plan
La Terraza – Rustica Series: Exterior
La Terraza – Rustica Series: 800 sq ft ADU 2D floor plan
La Terraza – Rustica Series: 800 sq ft ADU 2D floor plan

La Terraza – 800 Sq Ft 2-Bed ADU Plan

From $240,000

area 800 sq ft bedrooms 2 Bed bathrooms 2 Bath
OakEdge – 800 Sq Ft Two-Story ADU Plan
OakEdge – 800 Sq Ft Two-Story ADU Plan
OakEdge – 800 Sq Ft Two-Story ADU Plan
OakEdge – 800 Sq Ft Two-Story ADU Plan
OakEdge – 800 Sq Ft Two-Story ADU Plan

OakEdge – 800 Sq Ft 2-Bedroom Two-Story ADU Plan

From $240,000

area 800 sq ft bedrooms 2 Bed bathrooms 1.5 Bath
3D layout of Marea 800 sq ft duplex ADU with two mirrored residences
Marea 800 sq ft duplex ADU floor plan with two mirrored residences

Marea – 800 Sq Ft Duplex ADU Plan | 2 Bed, 2 Bath One-Story Design

From $240,000

area 800 sq ft bedrooms 2 Bed bathrooms 2 Bath
The Cornerstone Cottage – 810 Sq Ft 2-Bedroom 3D ADU Plan
The Cornerstone Cottage – 810 Sq Ft 2-Bedroom 2D ADU Plan

The Cornerstone Cottage – 810 Sq Ft 2-Bedroom ADU Plan

From $243,000

area 810 sq ft bedrooms 2 Bed bathrooms 1 Bath
The Willow Bend – 820 Sq Ft 2-Bedroom One-Story 3D ADU Plan
The Willow Bend – 820 Sq Ft 2-Bedroom One-Story 2D ADU Plan

The Willow Bend – 820 Sq Ft 2-Bedroom One-Story ADU Plan

From $246,000

area 820 sq ft bedrooms 2 Bed bathrooms 1 Bath
Evergreen Corner – 880 Sq Ft Two-Story ADU Plan
Evergreen Corner – 880 Sq Ft Two-Story ADU Plan
Evergreen Corner – 880 Sq Ft Two-Story ADU Plan
Evergreen Corner – 880 Sq Ft Two-Story ADU Plan

Evergreen Corner – 880 Sq Ft 2-Bedroom Two-Story ADU Plan

From $264,000

area 880 sq ft bedrooms 2 Bed bathrooms 2 Bath
Family Nest – 3 Bedroom ADU: 3D Floor Plan
Family Nest – 3 Bedroom ADU: 2D Floor Plan
Family Nest – 3 Bedroom ADU: Exterior

Family Nest – 897 Sq Ft 3-Bedroom ADU Floor Plan

From $269,100

area 897 sq ft bedrooms 3 Bed bathrooms 2 Bath
Celeste – 988 Sq Ft 2-Bedroom 3D ADU Floor Plan
Celeste – 988 Sq Ft 2-Bedroom 2D ADU Floor Plan

Celeste – 988 Sq Ft 2-Bedroom ADU Floor Plan

From $247,000

area 988 sq ft bedrooms 2 Bed bathrooms 2.5 Bath
Haven – 990 Sq Ft 2-Bedroom 3D ADU Floor Plan
Haven – 990 Sq Ft 2-Bedroom 2D ADU Floor Plan
Haven – 990 Sq Ft 2-Bedroom ADU Exterior

Haven – 990 Sq Ft 2-Bedroom ADU Floor Plan

From $247,500

area 990 sq ft bedrooms 2 Bed bathrooms 2 Bath
Verso – 998 Sq Ft 2-Bedroom 3D ADU Floor Plan
Verso – 998 Sq Ft 2-Bedroom 2D ADU Floor Plan

Verso – 998 Sq Ft 2-Bedroom ADU Floor Plan

From $249,500

area 998 sq ft bedrooms 2 Bed bathrooms 2.5 Bath
Pancake Morning – Cottage Roots Series: 3D Floor Plan
Pancake Morning – Cottage Roots Series: 2D Floor Plan
Pancake Morning – Cottage Roots Series: Exterior

Pancake Morning – 999 Sq Ft 3-Bedroom ADU Plan

From $299,700

area 999 sq ft bedrooms 3 Bed bathrooms 2 Bath
Bravo – 1,000 Sq Ft 2-Bedroom 3D ADU Floor Plan
Bravo – 1,000 Sq Ft 2-Bedroom 2D ADU Floor Plan
Bravo – 1,000 Sq Ft 2-Bedroom ADU Exterior

Bravo – 1,000 Sq Ft 2-Bedroom ADU Floor Plan

From $300,000

area 1000 sq ft bedrooms 2 Bed bathrooms 2.5 Bath

Large (1001–1200 SF)

Luma – 2 Bed ADU: 3D Floor Plan
Luma – 2 Bed ADU: 2D Floor Plan
Luma – 2 Bed ADU: Exterior

Luma – 1089 Sq Ft Two-Bedroom ADU Floor Plan

From $326,700

area 1089 sq ft bedrooms 2 Bed bathrooms 2 Bath
Riverbend Manor – 1090 Sq Ft 2-Bedroom Two-Story ADU Plan
Riverbend Manor – 1090 Sq Ft 2-Bedroom Two-Story ADU Plan
Riverbend Manor – 1090 Sq Ft 2-Bedroom Two-Story ADU Plan
Riverbend Manor – 1090 Sq Ft 2-Bedroom Two-Story ADU Plan

Riverbend Manor – 1090 Sq Ft 2-Bedroom Two-Story ADU Plan

From $272,500

area 1090 sq ft bedrooms 2 Bed bathrooms 3 Bath
Lantern Hollow – 1100 Sq Ft 4-Bed 3D ADU Plan
Lantern Hollow – 1100 Sq Ft 4-Bed 2D ADU Plan

Lantern Hollow – 1100 Sq Ft 4-Bedroom ADU Plan

From $330,000

area 1100 sq ft bedrooms 4 Bed bathrooms 2 Bath
Summit Vista – 1130 Sq Ft 2-Bedroom 2-Story ADU Plan
Summit Vista – 1130 Sq Ft 2-Bedroom 2-Story ADU Plan
Summit Vista – 1130 Sq Ft 2-Bedroom 2-Story ADU Plan
Summit Vista – 1130 Sq Ft 2-Bedroom 2-Story ADU Plan

Summit Vista – 1130 Sq Ft 2-Bedroom 2-Story ADU Plan

From $282,500

area 1130 sq ft bedrooms 2 Bed bathrooms 2 Bath
Horizon House – Modern Form Series: 1200 Sq Ft 3-Bedroom ADU 3D Floor Plan
Horizon House – Modern Form Series: 2D 3 Bedroom ADU Floor Plan
Horizon House – Modern Form Series: 1204 Sq Ft 3 Bedroom ADU Exterior

Horizon House – 1200 Sq Ft 3-Bedroom ADU Plan

From $300,000

area 1200 sq ft bedrooms 3 Bed bathrooms 2 Bath
Copper Nest – 1,200 Sq Ft 3D 4-Bed ADU Plan
Copper Nest – 1,200 Sq Ft 2D 4-Bed ADU Plan

Copper Nest – 1,200 Sq Ft 4-Bedroom ADU Floor Plan

From $360,000

area 1200 sq ft bedrooms 4 Bed bathrooms 2 Bath
Forest Haven – 1,200 Sq Ft One-Story 2-Bed 2-Bath 3D ADU Plan
Forest Haven – 1,200 Sq Ft One-Story 2-Bed 2-Bath 2D ADU Plan
Forest Haven – 1,200 Sq Ft 2-Bed 2-Bath ADU Exterior

Forest Haven – 1,200 Sq Ft One-Story 2-Bed 2-Bath ADU Plan

From $3,600,000

area 1200 sq ft bedrooms 2 Bed bathrooms 2 Bath
Comfort Oasis – 1,200 Sq Ft One-Story 2-Bed 3D ADU Plan
Comfort Oasis – 1,200 Sq Ft One-Story 2-Bed 2D ADU Plan
Comfort Oasis 1200 sq ft one-story ADU exterior design with covered front porch

Comfort Oasis – 1200 Sq Ft One-Story 2-Bed 2-Bath ADU Plan

From $360,000

area 1200 sq ft bedrooms 2 Bed bathrooms 2 Bath
Modern Retreat – 1,200 Sq Ft 2-Bedroom One-Story 3D ADU Plan
Modern Retreat – 1,200 Sq Ft 2-Bedroom One-Story 2D ADU Plan
Modern Retreat – 1,200 Sq Ft 2-Bedroom One-Story ADU Exterior

Modern Retreat – 1,200 Sq Ft 2-Bedroom One-Story ADU Plan

From $360,000

area 1200 sq ft bedrooms 2 Bed bathrooms 2 Bath
The Grand Vista – 1,200 Sq Ft Single-Story 2-Bed 3D ADU Plan
The Grand Vista – 1,200 Sq Ft Single-Story 2-Bed 2D ADU Plan

The Grand Vista – 1,200 Sq Ft Single-Story 2-Bed ADU Plan

From $360,000

area 1200 sq ft bedrooms 2 Bed bathrooms 2 Bath

Personalized ADU Floor Plans

A well-designed ADU floor plan can unlock new possibilities for your property — whether you're hosting family, generating rental income, or adding flexible living space. At Ataman Studio, we create custom ADU floor plans that balance architectural planning, comfort, space efficiency, and California code compliance.

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Small ADU Floor Plans

Perfect for conversions and compact studio layouts, our small ADU floor plans start at just 300 sq ft. Ideal for garage conversions, guest suites, or home offices — designed to maximize efficiency in tight footprints.

Garage Conversion ADU Plans

Transform your existing garage with a garage ADU floor plan designed for both attached and detached structures. A smart way to add livable square footage without expanding your home’s footprint.

Junior ADU Floor Plans

Optimize your existing space with junior ADU floor plans under 500 sq ft. Great for internal conversions, these units offer private, functional layouts while keeping costs low.

Detached & Attached ADU Layout Ideas

Flexible attached and detached ADU floor plans, from compact studios to spacious multi-bedroom layouts — starting at under 500 sq ft.

ADU Layouts by Square Footage

We design ADUs in all shapes and sizes to meet California regulations and fit your needs. Common layouts include:

1.300–400 sq ft ADU floor plans – for studios, home offices, or guest suites

2.500–600 sq ft floor plans – ideal for 1-bedroom units with open kitchens

3.800 sq ft ADU floor plans – our most popular size for rentals or extended family

4.900–1,000 sq ft layouts – perfect for 2–3 bedroom units with full kitchens and baths

5.1,200 sq ft ADU floor plans – the maximum allowed in many California cities, perfect for multi-bedroom layouts or comfortable long-term living.

Detached 2-car garage conversion floor plan
Detached modern ADU with wooden deck

Bedroom Options & Use Cases

Whether you're building a small studio or a multi-bedroom rental, we tailor each plan to your household size and budget. Popular layouts include:

Studio ADUs

1-bedroom ADUs

2-bedroom ADUs

3 bedroom ADUs

4 bedroom ADUs

We integrate natural light, efficient circulation, privacy, and practical space planning into every layout while addressing applicable California building and energy requirements.

From Floor Plan to Permit-Ready

As a licensed architecture and design studio, Ataman Studio provides complete ADU planning and design services across Los Angeles and California. We help you determine the right layout, square footage, and bedroom count, then develop the concept into a detailed, permit-ready plan set tailored to your property.

Whether you’re considering a 400 sq ft ADU floor plan for a compact rental or a 1,000 sq ft custom backyard home, our architectural planning connects the initial layout with permitting, site requirements, and real construction considerations.

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