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William Kollmer ContractingGeneral contractor in Northport, NY

William Kollmer Contracting is a general contractor at 22 N Creek Rd, Northport, NY 11768, rated 5.0 from 1 Google review.

Northport, NY0 paid placements in any rankingHow we rank

Call (631) 754-5252

Key facts

Key facts about William Kollmer Contracting
Address22 N Creek Rd, Northport, NY 11768Get directions
Phone(631) 754-5252
Google rating5.0 from 1 Google review

Trades

Each trade shows the evidence we matched it on.

  • General Contractingmain tradeGoogle main category

Service area

Serves Northport and 11 towns within 25 miles: Centerport, Huntington, Greenlawn, Fort Salonga, Cold Spring Harbor, East Northport, Huntington Station, Elwood, South Huntington, Kings Park and Oyster Bay.

Based in Northport, NYView on map

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.

Reviews

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Google

5.0from 1 Google reviews

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Questions about William Kollmer Contracting

What areas does William Kollmer Contracting serve?

Serves Northport and 11 towns within 25 miles: Centerport, Huntington, Greenlawn, Fort Salonga, Cold Spring Harbor, East Northport, Huntington Station, Elwood, South Huntington, Kings Park and Oyster Bay. 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.

What do Google reviews say about William Kollmer Contracting?

William Kollmer Contracting has a rating of 5.0 from 1 Google review. 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 William Kollmer Contracting?

Call William Kollmer Contracting on (631) 754-5252. The business is at 22 N Creek Rd, Northport, NY 11768. Ask for a written estimate before any work starts.

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