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First Class Building CompanyGeneral contractor in Yaphank, NY

First Class Building Company is a general contractor at 5 E Main St Unit 809, Yaphank, NY 11980. Open Monday to Saturday.

Yaphank, NY0 paid placements in any rankingHow we rank

Call (631) 281-4488

Key facts

Key facts about First Class Building Company
Address5 E Main St Unit 809, Yaphank, NY 11980Get directions
Phone(631) 281-4488
HoursMonday to Friday: 9 AM – 6 PM; Saturday: 9 AM – 3 PM

Trades

Each trade shows the evidence we matched it on.

  • General Contractingmain tradeGoogle main category

Service area

Serves Yaphank and 11 towns within 25 miles: Middle Island, Shirley, Ridge, North Bellport, Mastic, Medford, Coram, Mastic Beach, Farmingville, North Patchogue and Manorville.

Based in Yaphank, NYView on map

Opening hours

Opening hours for First Class Building Company
DayHours
Monday9 AM – 6 PM
Tuesday9 AM – 6 PM
Wednesday9 AM – 6 PM
Thursday9 AM – 6 PM
Friday9 AM – 6 PM
Saturday9 AM – 3 PM
SundayClosed
  • Open evenings — no
  • Open Saturdays
  • Open Sundays — no

Typical general contracting prices

Typical general contracting prices
JobLowTypicalHigh
Kitchen remodelPer project: typical range of customer-reported remodels (about $75 to $250 per sq ft). US national range × 1.10 Middle Atlantic factor (2025 Cost vs. Value Report)$16,000$29,600$45,640
Bathroom remodelPer bathroom: typical range of customer-reported remodels. US national range × 1.15 Middle Atlantic factor (2025 Cost vs. Value Report)$7,670$14,020$20,380

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

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Questions about First Class Building Company

What are First Class Building Company’s hours?

First Class Building Company is open Monday to Saturday. Its listed hours are Monday to Friday, 9 AM – 6 PM; Saturday, 9 AM – 3 PM. On Saturdays it is open 9 AM to 3 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does First Class Building Company serve?

Serves Yaphank and 11 towns within 25 miles: Middle Island, Shirley, Ridge, North Bellport, Mastic, Medford, Coram, Mastic Beach, Farmingville, North Patchogue and Manorville. The list is based on the business's location and the usual service radius for general contracting. Confirm your address is covered when you call.

How do I contact First Class Building Company?

Call First Class Building Company on (631) 281-4488. The business is at 5 E Main St Unit 809, Yaphank, NY 11980. Ask for a written estimate before any work starts.

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