Category hub
Additions and Conversions costs, permits and services
Every additions and conversions job Hometriva tracks, grouped the way trades and permit desks group them. Each service page carries a cost range, the trade involved and whether a permit typically applies.
Model reviewed August 2026
Services tracked
7
Job families
2
Median typical cost
$50,000
Across this category
Popular projects
3
Detailed cost, permit and planning guides
Highest-demand jobs in this category
Additions
3 services
ADUs and Conversions
4 services
