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Capitol Building SupplyInsulation contractor in Hagerstown, MD

Capitol Building Supply is an insulation contractor at 1225 Maryland Ave, Hagerstown, MD 21740, ranked #15 of 22 insulation contractors in Hagerstown and rated 4.8 from 15 Google reviews. Open Monday to Friday.

Hagerstown, MDUpdated 0 paid placements in any rankingHow we rank

Call (301) 739-3090Website ↗

Key facts

Key facts about Capitol Building Supply
Address1225 Maryland Ave, Hagerstown, MD 21740Get directions
Phone(301) 739-3090
Websitecbsi.net
HoursMonday to Friday: 6 AM – 4 PM
Google rating4.8 from 15 Google reviews

Trades

Each trade shows the evidence we matched it on.

Service area

Serves Hagerstown and 8 towns within 25 miles: Halfway, Robinwood, Fountainhead-Orchard Hills, Thurmont, Brunswick, Frederick, Walkersville and Ballenger Creek.

Based in Hagerstown, MDView on map

Opening hours

Opening hours for Capitol Building Supply
DayHours
Monday6 AM – 4 PM
Tuesday6 AM – 4 PM
Wednesday6 AM – 4 PM
Thursday6 AM – 4 PM
Friday6 AM – 4 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • 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

Capitol Building Supply compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Capitol Building Supply (this business)—694.8 (15)—NoNo
HomeGuard Foam and Foundation#13714.8 (25)—NoNo21.0 mi
Ace Handyman Services Frederick#14714.8 (186)—NoNo17.5 mi
Hagerstown Drywall#16694.8 (20)—NoNo2.0 mi

See all 22 ranked insulation contractors in Hagerstown

Questions about Capitol Building Supply

How is Capitol Building Supply ranked in Hagerstown?

Capitol Building Supply is ranked #15 of 22 insulation contractors in Hagerstown by CR Score, with 69 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 Capitol Building Supply’s hours?

Capitol Building Supply is open Monday to Friday. Its listed hours are Monday to Friday, 6 AM – 4 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Capitol Building Supply serve?

Serves Hagerstown and 8 towns within 25 miles: Halfway, Robinwood, Fountainhead-Orchard Hills, Thurmont, Brunswick, Frederick, Walkersville and Ballenger Creek. 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 Capitol Building Supply?

Capitol Building Supply has a rating of 4.8 from 15 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 Capitol Building Supply?

Call Capitol Building Supply on (301) 739-3090. The business is at 1225 Maryland Ave, Hagerstown, MD 21740. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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