Nearpara Rubber Company: From Tire Reclaiming to Toxic Brownfield
The Last Days of Nearpara Rubber
I smelled it before I saw anything worth photographing.
That warm, faintly sweet bite of old rubber, the kind that hits you somewhere between a tire shop and a summer highway, drifted through the first building the moment I stepped inside. The structure was burned out, charred and broken, rubble underfoot. But the smell was alive. And then I saw the pile.
In the corner of the room, faded brown and heaped maybe two feet high, was a mound of baby bottle nipples. Dozens, maybe hundreds, of the small rubber tips, just sitting on the floor of a collapsed industrial building in Trenton, New Jersey. I stood there for a moment, genuinely confused, and then kept moving.
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| Nothing like the smell of warmed-over rubber. |
Twenty minutes later, I understood even less.
Through another door passage, I found the main source of the smell: six open metal trailer containers, still loaded with bagged baby bottle nipples, sitting in open air. Bags of them, mountains of bagged nipples, stacked in piles, going nowhere. Some were unpunched, still formed, and in sheets. I found no tires anywhere on the property during my visit, which is strange given what this place was built to process. And I couldn't find the nipples being put to any use elsewhere in the facility either. What were infant bottle nipples doing inside a rubber reclaiming plant? I still don't have a clean answer. A case of milked-up confusion and moo-dled thinking. Maybe they were an upcycling experiment. Maybe all types of rubber are equally good once mixed and broken down. Maybe a side contract. Maybe something stranger. Maybe someone who worked their can nipple this quandary. Sorry for milking these sordid puns and confusion.
What I did find in the machinery building opposite the first building was crumb rubber, the fine granular black material used in artificial turf fields, heaped in piles on the ground. That added another layer of mystery to the operation's final years. What exactly was Nearpara making at the end, and for whom?
I worked my way deeper into the complex. A small wooden building at the back of the property was collapsing into itself, dark and empty, nothing inside worth the time. I moved on to the large rusted cylindrical storage tanks. The wind shifted, and an oily smell hit me square in the face. One of the tanks was still holding an unidentified black liquid, and it wasn't holding it well, a slow leak pushing straight into the ground and spreading into the dirt below. Whatever remediation eventually comes to this site, that tank is going to be a significant line on somebody's bill.
High summer trees and thick weeds blocked most of my sight lines to the equipment that once drove the whole operation. A winter return was needed to get the full picture before development closes the door. However, I never returned a second time. Cleanup was supposed to begin in April 2024. By September, nothing had moved except for a few banners hung on the exterior advertising the coming remediation, funded under the EPA Brownfields Cleanup Grant.
Then I found the rusted catwalk steps.
Through the door at the top, intact machinery. Real machinery, untouched by scrappers, dusted over with years of asbestos particulate and more crumb rubber, but structurally whole and still in position. I walked the floor looking for a manufacturer's plate or any identifying label. Nothing. But the layout explained itself.
On the top floor, a large hopper still held granular crumb rubber. Gravity fed it to the floor below for weighing and mixing, then sent it further down to the subfloor. A vertical production line, each level a stage in the process, still arranged exactly as it was the last time anyone ran it.
A door two floors below opened up into the most complex machinery I've encountered since the Ansonia Brass Complex. Two large oval coke ovens anchored the space, fed by a boiler house attached to the rear wall. On the opposite side, toward the front, more equipment stood in place, augers lying on the ground nearby, suggesting this was where the rubber substrate was blended before moving to heat or be packaged. The entire sequence was still there, complete, coherent, and untouched.
Graffiti covered parts of the exterior walls of the machinery building and some of the machinery itself. For a complex this old, this accessible, and this close to a city, the interior, mostly unmolested save the decaying wooden office, a bulging wall, and pockmarked roof, was quite remarkable. It was, for all practical purposes, virgin industrial ground.
The name itself deserves a moment.
Pará rubber was the premium grade of natural rubber harvested from the Pará region of Brazil, the global standard for quality in the trade. A reclaimed rubber company calling itself "Near Para Rubber Co" was making a claim, positioning its reclaimed product as close to that benchmark as processing could achieve. It was good marketing, or at least aspirational marketing. I searched for any credible source that confirmed the name was chosen for exactly that reason, and came up empty. But the logic is hard to argue with.
Nearpara was organized in 1911 by Hyman A. Rosenthal, a family operation from the first day to the last. The original factory went up in 1916 on Prince Street. In 1920, it burned to the ground. The company contracted with Bethlehem Construction Company of Pennsylvania for a modern, fire-resistant replacement: a one-story building measuring 100 by 125 feet, plus a power plant, for $150,000. The lost machinery was rebuilt by Wm. R. Thorpp and Sons. Some ambiguity remains in the historical record about whether the Prince Street address was the site that burned and exactly when operations shifted to East State Street, but by early 1921, Nearpara was running its new plant there, processing tires from across the region into reclaimed rubber products. It was, in its time, a pioneer in the business.
In April 1942, a lighted cigarette thrown from the adjacent roadway onto the property landed in the yard and ignited 200 tons of stored rubber tires. The fire stayed in the yard and never reached the plant itself. The company survived that one without serious damage. It took fifty more years of regulatory pressure, financial collapse, and a family finally running out of road to finish the job.
The process was straightforward but chemically aggressive. Rubber fed into a cracker mill, then heated with a water and oil solution. The resulting material moved through a settling reservoir before discharging to the sanitary sewer. It worked for decades. Nearpara employed local workers and paid local wages, and for a long time that was enough to keep the complaints manageable.
By the early 1980s, it wasn't enough anymore. Residents in the surrounding neighborhoods submitted affidavits to the New Jersey Department of Environmental Protection documenting nauseating odors, headaches, upset stomachs, difficulty breathing, sore throats, stinging eyes, and persistent coughing. These weren't vague complaints. They were sworn statements from neighbors describing what it was like to live next to Nearpara on an ordinary afternoon. In 1983, the NJDEP moved to revoke the company's operating permit, a case detailed in a Trenton Times article headlined "NJDEP may close the smelly plant." The proceedings dragged on. The plant stayed open.
It wasn't the regulators who finally closed it. In 1990, allegedly, Sy Rosenthal, the last family owner, and company officials ceased operations on the property. They left behind 80,000 tires.
The township had no budget for tire removal. The EPA declined to intervene since tires don't meet the federal definition of hazardous materials, though the agency did outline how the township could handle removal on its own. Presumably they eventually did. What didn't get cleaned up so easily was everything else: underground storage tanks, above-ground storage tanks, PCBs, volatile organic compounds, lead-based paint, asbestos-containing materials, pesticides, petroleum products. The federal bankruptcy court formally ordered the company closed in 1992. A 1993 NJDEP notification report documented the abandonment of chemicals on the site. Workers had been unpaid. The gate was secured.
As of August 2026, remedial cleanup may have been completed. Bidding requests posted to New Jersey's Bid Network on August 9, 2025, and Google Street View data from around November 2025 both point to activity on the ground. The work is backed by a $250,000 grant from the Hazardous Discharge Site Remediation Fund for site assessment and investigation, plus an additional $500,000 Brownfield grant from the EPA for remedial cleanup. Redevelopment is targeted within a three-year window.
What gets built there is still anyone's guess. That gap between the name and the ending is the whole story, really. Near Para. Close, but not quite. In the end, not even close.
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| A case of milked-up confusion. 🕵️♂️ 🍼 |
Whether you fed rubber into the cracker mill, monitored the steam ovens, or clocked in during the final years before the gates were locked in 1993 — those memories are worth preserving. The tires are gone, the machinery is still sitting there, and the records are scattered. If you have photographs from the factory floor, pay stubs, odor complaint letters, or simply remember what the East State Street plant looked like when it was still running, reach out. Thirty years of silence is long enough.
More from Digital Ink'd
Nearpara Rubber Company operated at East State Street in Hamilton Township, NJ from the early 1920s until its closure by federal bankruptcy court order in 1992. The site has been abandoned for over three decades and is currently under a $250,000 hazardous discharge remediation assessment and a $500,000 EPA Brownfield grant cleanup.
Source(s):
1. n.a. (2023, June 16). Discuss Remediation of Hamilton’s Abandoned Nearpara Rubber Factory Site. MidJersey.News.
2. Meyers, E. (2023, June 15). Public Forum to Focus on Remediation of Shuttered Hamilton Factory Site. TAPInto.
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