Tri-County Insulation CoInsulation contractor in El Cajon, CA
Tri-County Insulation Co is an insulation contractor at 164 Millar Ave, El Cajon, CA 92020.
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Key facts
| Address | 164 Millar Ave, El Cajon, CA 92020Get directions |
|---|---|
| Phone | (619) 579-9109 |
Trades
Each trade shows the evidence we matched it on.
- Insulationmain tradeGoogle main category
Service area
Serves El Cajon and 11 towns within 25 miles: Casa de Oro-Mount Helix, Bostonia, Santee, La Mesa, Winter Gardens, Spring Valley, Rancho San Diego, Lemon Grove, Lakeside, La Presa and Eucalyptus Hills.
Typical insulation prices
| Job | Low | Typical | High |
|---|---|---|---|
| Attic insulationPer attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range | $1,700 | $2,100 | $2,500 |
Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.
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