Plan record

Double House

Double House is a pre reviewed detached ADU plan from Adam Berman and Siobhan Finlay. The public source lists it as 571 sq ft, 1 bed, and 1 bath. It originated in the Houston, Waller County, Texas, USA program. This directory currently shows acceptance in Houston, Waller County, Texas, USA. Source context comes from City of Houston, last checked Sep 8, 2026. Use the linked provider, location, and source records to verify current acceptance before relying on the plan.

Source-backed summary

What public sources list

Double House is a pre reviewed detached ADU plan from Adam Berman and Siobhan Finlay. The public source lists it as 571 sq ft, 1 bed, and 1 bath. It originated in the Houston, Waller County, Texas, USA program. This directory currently shows acceptance in Houston, Waller County, Texas, USA. Source context comes from City of Houston, last checked Sep 8, 2026. Use the linked provider, location, and source records to verify current acceptance before relying on the plan.

Accepted location pages

Details

Plan facts

Plan identifier
Not listed in source
Accepted locations
Status
Pre reviewed
Size
571 sq ft
Bedrooms
1 bed
Bathrooms
1 bath
ADU type
Detached
Construction type
Stick built
Plan fee
$0
Estimated cost
Not listed in source
Last checked
Sep 8, 2026

Plan notes

Notes

Foundation notes
The master-plan conformance excludes site-specific foundation and geotechnical design.
Utility notes
Site-specific utilities are excluded from master-plan conformance.
Energy notes
Plan set cites the 2015 IECC with Houston amendments.
Accessibility notes
Not listed in source
Permit fee notes
The design download is free; permitting and professional costs still apply.
Cost notes
No official construction-cost estimate was identified.
Additional notes
Government term: preliminary review. Current codes, ordinances, site plan, deed restrictions, permits and inspections remain applicable.

Source and evidence

ADU | HOU Design Contest Concludes with Free Downloadable ADU Plans

Official city source
Publisher
City of Houston
Source type
Official source
Reliability
Official city/county/state government source (5/5)
Last checked
Sep 8, 2026
Accessed
Sep 8, 2026

Accepted-in locations

Accepted Locations

1 accepted location