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Custom InsulationInsulation contractor in El Cajon, CA

Custom Insulation is an insulation contractor at 1217 Greenfield Dr, El Cajon, CA 92021, ranked #13 of 71 insulation contractors in El Cajon and rated 5.0 from 32 Google reviews. Open Monday to Saturday.

El Cajon, CAUpdated 0 paid placements in any rankingHow we rank

Call (619) 332-1013Website ↗

Key facts

Key facts about Custom Insulation
Address1217 Greenfield Dr, El Cajon, CA 92021Get directions
Phone(619) 332-1013
Websitecustominsulationelcajon.com
HoursMonday to Saturday: 7 AM – 7 PM
Google rating5.0 from 32 Google reviews

Trades

Each trade shows the evidence we matched it on.

Service area

Serves El Cajon and 11 towns within 25 miles: Bostonia, Winter Gardens, Santee, Lakeside, Casa de Oro-Mount Helix, Rancho San Diego, Eucalyptus Hills, La Mesa, Spring Valley, Lemon Grove and Jamul.

Based in El Cajon, CAView on map

Opening hours

Opening hours for Custom Insulation
DayHours
Monday7 AM – 7 PMevening
Tuesday7 AM – 7 PMevening
Wednesday7 AM – 7 PMevening
Thursday7 AM – 7 PMevening
Friday7 AM – 7 PMevening
Saturday7 AM – 7 PMevening
SundayClosed
  • Open evenings (after 6 PM)
  • Open Saturdays
  • Open Sundays — no

Typical insulation prices

Typical insulation prices
JobLowTypicalHigh
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.

Compare nearby insulation contractors

Custom Insulation compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Custom Insulation (this business)—825.0 (32)—YesNo
Green Faith Attic Solutions#11835.0 (40)—YesYes13.0 mi
BOB BOYCE PAINTING#12833.7 (6)—YesYes8.9 mi
HomeShield Pest Control - Carlsbad#14825.0 (235)—YesNo14.3 mi

See all 71 ranked insulation contractors in El Cajon

Questions about Custom Insulation

How is Custom Insulation ranked in El Cajon?

Custom Insulation is ranked #13 of 71 insulation contractors in El Cajon by CR Score, with 82 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity and profile completeness. No business can pay to change its rank.

What are Custom Insulation’s hours?

Custom Insulation is open Monday to Saturday. Its listed hours are Monday to Saturday, 7 AM – 7 PM. On Saturdays it is open 7 AM to 7 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Custom Insulation serve?

Serves El Cajon and 11 towns within 25 miles: Bostonia, Winter Gardens, Santee, Lakeside, Casa de Oro-Mount Helix, Rancho San Diego, Eucalyptus Hills, La Mesa, Spring Valley, Lemon Grove and Jamul. The list is based on the business's location and the usual service radius for insulation. Confirm your address is covered when you call.

What do Google reviews say about Custom Insulation?

Custom Insulation has a rating of 5.0 from 32 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Custom Insulation?

Call Custom Insulation on (619) 332-1013. The business is at 1217 Greenfield Dr, El Cajon, CA 92021. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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