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Interior Structure costs, permits and services

Every interior structure 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

Job families

Median typical cost

$1,900

Across this category

Popular projects

Detailed cost, permit and planning guides

Highest-demand jobs in this category

Attic Insulation ReplacementTypical $2,600 · Insulation contractor

Drywall and Plaster

8 services

Drywall Installation$900 – $5,500 Drywall Replacement$900 – $5,500 Drywall Repair$198 – $1,210 Drywall Patch RepairCost under revalidation Ceiling Replacement$800 – $5,500 Ceiling Repair$176 – $1,210 Plaster Wall Replacement$700 – $4,800 Plaster Wall Repair$154 – $1,056

Drywall and Plaster hub →

Carpentry and Trim

10 services

Baseboard Installation$500 – $3,200 Baseboard Replacement$500 – $3,200 Crown Molding Installation$700 – $4,500 Wainscoting Installation$700 – $4,800 Staircase Installation$1,800 – $12,000 Staircase Replacement$1,800 – $12,000 Staircase Repair$396 – $2,640 Handrail Installation$300 – $2,200 Handrail Replacement$300 – $2,200 Handrail RepairCost under revalidation

Carpentry and Trim hub →

Closets and Storage

3 services

Custom Closet Installation$1,200 – $9,000 Shelving Installation$200 – $1,800 Garage Storage Installation$600 – $5,200

Closets and Storage hub →

Insulation

6 services

Attic Insulation Installation$1,200 – $5,500 Attic Insulation Replacement$1,200 – $5,500 Attic Insulation Upgrade$960 – $4,400 Spray Foam Insulation Installation$2,200 – $12,000 Wall Insulation Installation$1,400 – $7,500 Radiant Barrier Installation$900 – $4,800

Insulation hub →