Soundproofing a room costs $1,881 on average, with most homeowners paying $1,036 to $2,743.1,2 Pro-installed work runs $10 to $30 per square foot of treated surface.1 Prices below are national averages* for 2026.
*National averages, not local quotes. Your price depends on the surfaces treated, the methods used and local labor rates.
$1,881
average room (Angi, HomeAdvisor)
$10–$30
per sq ft installed
$4–$14
walls per sq ft (Soundproof Cow)
$1,000–$2,500
typical room (Airtasker)
What sources say
| Source | Figure | Notes |
|---|---|---|
| Angi | $1,881 average, $1,036 – $2,743 | 194 Angi Pro projects |
| HomeAdvisor | $1,881 average, $1,036 – $2,743 | Identical figures to Angi, so one dataset; adds a $500 – $5,200 full spread |
| Soundproof Cow | $4 – $30 per sq ft | Soundproofing retailer estimate, broken out by surface |
| Airtasker | $1,000 – $2,500 typical room | Marketplace data; $50 – $100 per hour for a tradesperson |
Cost by treated area (Angi)
Angi prices soundproofing by treated surface area, not the room’s floor area.1
| Treated area | Average cost |
|---|---|
| 50 sq ft | $500 – $1,500 |
| 100 sq ft | $1,000 – $3,000 |
| 150 sq ft | $1,500 – $4,500 |
| 200 sq ft | $2,000 – $6,000 |
| 250 sq ft | $2,500 – $7,500 |
Cost by surface (Soundproof Cow)
| Surface | Cost per sq ft | Notes |
|---|---|---|
| Wall | $4 – $14 | Lower end for weak-point treatments; higher for full assemblies |
| Ceiling | $6 – $16 | Overhead work, lighting and ductwork add complexity |
| Floor | $2 – $6 | Carpet at the low end; underlayment systems cost more |
What changes the price
| Factor | Effect |
|---|---|
| Room purpose | HomeAdvisor reports home theaters reaching $10,000 |
| Existing vs. new walls | Opening finished walls costs more than treating open cavities (Soundproof Cow) |
| Doors and windows | Airtasker puts professional door soundproofing at $200 – $500 |
| Materials tier | Basic acoustic panels ($1.50 – $5 per sq ft, per Angi) versus high-performance assemblies |
DIY or hire
Hanging acoustic panels, adding a door sweep and sealing gaps are DIY-friendly; decoupling walls and ceilings with resilient channels is pro work. The Home Depot acoustic panels category shows what entry-level treatment costs. For air leaks around doors, see our weatherstripping guide below.
Related guides
Home Office Cost
Weatherstripping Cost
Drywall Installation Cost
Blown-In Insulation Cost
All cost guides
Sources
1. Angi — Cost to Soundproof a Room
2. HomeAdvisor — Soundproofing Cost
3. Soundproof Cow — Cost to Soundproof a Room (2026)
4. Airtasker — Soundproofing Cost Guide