Skip to content
ContractorsRanked

Diamond ConstructionGeneral contractor in Port Jefferson Station, NY

Diamond Construction is a general contractor at 1575 NY-112 #10, Port Jefferson Station, NY 11776, rated 5.0 from 7 Google reviews. Open Monday to Saturday.

Port Jefferson Station, NY0 paid placements in any rankingHow we rank

Call (631) 473-3335Website ↗

Key facts

Key facts about Diamond Construction
Address1575 NY-112 #10, Port Jefferson Station, NY 11776Get directions
Phone(631) 473-3335
Websitediamondli.com
HoursMonday to Saturday: 8 AM – 7 PM
Google rating5.0 from 7 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • General Contractingmain tradeGoogle main category

Service area

Serves Port Jefferson Station and 11 towns within 25 miles: Terryville, Mount Sinai, Selden, Port Jefferson, Coram, Miller Place, Setauket-East Setauket, Sound Beach, East Setauket, Middle Island and Centereach.

Based in Port Jefferson Station, NYView on map

Opening hours

Opening hours for Diamond Construction
DayHours
Monday8 AM – 7 PMevening
Tuesday8 AM – 7 PMevening
Wednesday8 AM – 7 PMevening
Thursday8 AM – 7 PMevening
Friday8 AM – 7 PMevening
Saturday8 AM – 7 PMevening
SundayClosed
  • Open evenings (after 6 PM)
  • 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.

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 7 Google reviews

Hired Diamond Construction? Write a review

Questions about Diamond Construction

What are Diamond Construction’s hours?

Diamond Construction is open Monday to Saturday. Its listed hours are Monday to Saturday, 8 AM – 7 PM. On Saturdays it is open 8 AM to 7 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Diamond Construction serve?

Serves Port Jefferson Station and 11 towns within 25 miles: Terryville, Mount Sinai, Selden, Port Jefferson, Coram, Miller Place, Setauket-East Setauket, Sound Beach, East Setauket, Middle Island and Centereach. 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 Diamond Construction?

Diamond Construction has a rating of 5.0 from 7 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 Diamond Construction?

Call Diamond Construction on (631) 473-3335. The business is at 1575 NY-112 #10, Port Jefferson Station, NY 11776. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

Own Diamond Construction? Claim this profile.

Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

Claim this profile