Construction trade companies in Trenton, NJ 08609

2 construction trade companies, with local market data for this ZIP.

Area profitability, other construction trades36 / 100Soft market, balanced field
Typical home value$207,000−1.2% in the past year
New homes permitted, 20251,164Mercer County
Homeowners29.8%4,486 households

Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.

Bolt Welding and Iron WorksMetal fabricator · 78 Wall St, Trenton(609) 393-3993 · 1 truck
K&D Ungarini Ironworks LLCConstruction trade company · Trenton(609) 392-0540 · 3 drivers, 1 truck

Other construction trades in ZIP 08609 at a glance

Local building angle: Mercer County permitted 1,164 new homes in 2025, including 340 apartment units. 3% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.