Backyard ADU / Granny FlatPlan HG-1002
602 Sq Ft (20x30) 1 Bed 1 Bath Backyard ADU / Granny Flat Floor Plan
602
Sq Ft
1
Beds
1
Baths
20x30
Shell
Shell Est: $28,000
Curated Collection • 13 Floor Plans
20x30 Cabin, ADU & Tiny Home Floor Plans (600 Sq Ft)
Compare 600 sq ft 20x30 floor plans across Backyard ADU, Modern Cabin, A-Frame, and Tiny Home styles with consolidated plumbing wet walls.
13 Plans
13 Plans
Backyard ADU / Granny FlatPlan HG-1161
602 Sq Ft (20x30) 1 Bed 1 Bath Backyard ADU / Granny Flat Floor Plan
602
Sq Ft
1
Beds
1
Baths
20x30
Shell
Shell Est: $28,000
Backyard ADU / Granny FlatPlan HG-1162
602 Sq Ft (20x30) 2 Bed 1 Bath Backyard ADU / Granny Flat Floor Plan
602
Sq Ft
2
Beds
1
Baths
20x30
Shell
Shell Est: $28,000
A-Frame CabinPlan HG-1163
872 Sq Ft (20x30) 1 Bed 1 Bath A-Frame Cabin Floor Plan with Loft
872
Sq Ft
1
Beds
1
Baths
20x30
Shell
Shell Est: $40,000
A-Frame CabinPlan HG-1164
872 Sq Ft (20x30) 2 Bed 1 Bath A-Frame Cabin Floor Plan with Loft
872
Sq Ft
2
Beds
1
Baths
20x30
Shell
Shell Est: $40,000
Modern CabinPlan HG-1165
602 Sq Ft (20x30) 1 Bed 1 Bath Modern Cabin Floor Plan
602
Sq Ft
1
Beds
1
Baths
20x30
Shell
Shell Est: $27,000
Modern CabinPlan HG-1166
602 Sq Ft (20x30) 2 Bed 1 Bath Modern Cabin Floor Plan
602
Sq Ft
2
Beds
1
Baths
20x30
Shell
Shell Est: $27,000
Modular / Prefab CottagePlan HG-1167
602 Sq Ft (20x30) 1 Bed 1 Bath Modular / Prefab Cottage Floor Plan
602
Sq Ft
1
Beds
1
Baths
20x30
Shell
Shell Est: $26,000
Modular / Prefab CottagePlan HG-1168
602 Sq Ft (20x30) 2 Bed 1 Bath Modular / Prefab Cottage Floor Plan
602
Sq Ft
2
Beds
1
Baths
20x30
Shell
Shell Est: $26,000
Tiny Home on FoundationPlan HG-1169
602 Sq Ft (20x30) 1 Bed 1 Bath Tiny Home on Foundation Floor Plan
602
Sq Ft
1
Beds
1
Baths
20x30
Shell
Shell Est: $29,500
Tiny Home on FoundationPlan HG-1170
602 Sq Ft (20x30) 2 Bed 1 Bath Tiny Home on Foundation Floor Plan
602
Sq Ft
2
Beds
1
Baths
20x30
Shell
Shell Est: $29,500
Garage with Loft / Apartment AbovePlan HG-1171
601 Sq Ft (20x30) 1 Bed 1 Bath Garage with Loft / Apartment Above Floor Plan with Apartment Above
781
Sq Ft
1
Beds
1
Baths
420
Shop SF
Shell Est: $39,000
20x30 Footprint Plans (600 Sq Ft) — Build Cost Guide & FAQs
Planning tips, cost estimates, and related floor plan collections
20x30 Footprint Plans (600 Sq Ft) — Build Cost Guide & FAQs
Planning tips, cost estimates, and related floor plan collections
Spatial Layout & Structural Bay Optimization
Compare 600 sq ft 20x30 floor plans across Backyard ADU, Modern Cabin, A-Frame, and Tiny Home styles with consolidated plumbing wet walls. Each of the 13 blueprints curated in this search silo has been solved on a true structural grid with zero dead-space corridors, consolidated wet-wall plumbing cores, and verified furniture/appliance clearance zones.
Comparing Shell Kits, Financing & Contractor Takeoffs
With an average turnkey build estimate of $127,615 across this collection, homeowners and builders frequently compare pre-engineered shell packages against local stick-frame lumber takeoffs. Select any blueprint above to customize regional labor multipliers, review concrete and stud quantities, and download the vector CAD drawing.
What makes these 20x30 cabin, adu & tiny home floor plans (600 sq ft) IRC code-compliant?
All 13 blueprints in the "20x30 Footprint Plans (600 Sq Ft)" collection are verified by our spatial solver for IRC R304 minimum room dimensions, R310 bedroom emergency egress windows, 36-inch clear entryways, and unobstructed doorway swing clearances—scoring 100/100 on our automated CAD geometric audit.
What is the average turnkey cost for 20x30 footprint plans (600 sq ft)?
Across the 13 matching floor plans on this page, the average turnkey construction cost is $127,615. Every individual blueprint page includes an interactive regional cost estimator and full structural material takeoff so you can compare shell-only vs. turnkey pricing.
Can I download the scalable CAD vector files (.SVG) for free?
Yes. Click any floor plan card above to open its interactive CAD blueprint viewer, inspect exact room-by-room dimensions and builder material takeoffs, and download the scalable vector CAD file (.SVG) and printable spec sheet at no cost.