Museums & Institutions
Hidden Underground Railroad Passage Discovered at New York Museum Faces Development Threat
Such sites are few and far between in the city.
Such sites are few and far between in the city.
Vittoria Benzine ShareShare This Article
Earlier this year, the Merchant’s House Museum in New York made a remarkable discovery. A passageway that had been nestled into a set of drawers was once used to hide enslaved people seeking freedom and braving the Underground Railroad. Now, this monumental find, one of less than two dozen Underground Railroad sites in New York, faces a new threat—real estate development.
The Merchant’s House Museum teaches guests about its 194 year old NoHo home. Originally built to house the hatter Joseph Brewster, it is the only 19th-century residence to retain its original Greek Revival interior and Federal Style exterior in Manhattan.
For many years, the Merchant’s House Museum has remained one of New York’s hidden gems. That changed when news of its association with the Underground Railroad broke last month. “February was our highest month for visitors in over a year,” the Museum’s director of operations Emily Hill-Wright told the AP. “You almost get choked up because it is a very visceral experience to see it with your own eyes.”
The passageway is hidden in the last place most authorities would look for a person—within a set a drawers near the bedroom, on the second floor. There, a two by two-foot hatch opens onto a 15-foot shaft with a makeshift ladder extending towards the basement pantry. The Museum has known about this anomaly since the 1930s, when the Tredwell family that bought this home from Brewster vacated, enabling it to become a museum. The passageway’s purpose remained a mystery, though. One by one, Museum staff ruled out possibilities, from a laundry chute to a dumbwaiter. Two years ago, its historian Ann Haddad finally found a promising lead in Brewster—who turned out to be an abolitionist, with two antislavery petitions and three antislavery churches to his name.
Over email, Hill-Wright named several reasons that Brewster’s activism went overlooked for so long. First, ongoing archival digitizations have empowered formerly impossible research. Second, the Museum had long devoted its limited resources to studying the Tredwells, who lived at the site nine decades longer than Brewster. Third, and perhaps most importantly, Brewster had to cover his tracks, because hiding slaves was illegal.
“His ability to remain ‘under the radar’ likely was an asset both to him and to those he might have helped,” Hill-Wright told me. “It also makes discovering the nature of his work more difficult.” The passageway, which is now on public view, has already attracted further academic enquiry.
The revelation of its existence lends enhanced urgency to the Museum’s fourteen-year battle against the owner of the 80 year old garage and repair shop to its left. In 2023, New York’s Landmark Preservation Committee approved that owner’s plan to build an office building, so long as they conducted a study on how to preserve the Museum’s delicate plaster details. Experts working for the property owner versus the Museum disagree regarding whether vibrations from construction could damage such elements.
The newfound passageway abuts that property. “Its position in the house could not be more perilous,” Hill-Wright told me. “Given the expected damage to the plaster walls and ceiling, it is unlikely the passage would survive construction.”
The developer still hasn’t conducted their prescribed study. In January, they presented the LPC with plans for another, larger building. In February, Community Board 2 recommended that the city buy the lot for the Museum. The LPC fielded input from officials, engineers, Museum staff, and more about the developer’s updated proposal last week. At a yet-unspecified date, the LPC will hold a public meeting where the developer responds.
In the meantime, the Museum has drafted a letter supporters can send to Mayor Mamdani—and started a legal fund to offset the $1 million this fight has cost so far.
Facts Only
The Merchant’s House Museum in New York discovered a hidden passageway used in the Underground Railroad.
The passageway is located within a set of drawers on the second floor, leading to a 15-foot shaft with a ladder to the basement.
The museum is the only 19th-century Manhattan residence with its original Greek Revival interior and Federal Style exterior.
The passageway was known since the 1930s but its purpose was unclear until historian Ann Haddad linked it to abolitionist Joseph Brewster.
Brewster owned the home in the 1830s and was associated with antislavery petitions and churches.
The museum has been in a 14-year dispute with the owner of an adjacent 80-year-old garage over development plans.
In 2023, New York’s Landmark Preservation Committee approved an office building project next to the museum, pending a study on preserving its plaster details.
The developer has not conducted the required study and proposed a larger building in January 2024.
Community Board 2 recommended in February 2024 that the city purchase the lot for the museum.
The museum has started a legal fund to cover $1 million in costs from the dispute.
The passageway’s location makes it vulnerable to damage from construction vibrations.
The museum has drafted a letter for supporters to send to Mayor Mamdani.
Executive Summary
The Merchant’s House Museum in New York recently discovered a hidden passageway used during the Underground Railroad, concealed within a set of drawers in the 19th-century home. This rare find, one of fewer than two dozen such sites in the city, has drawn significant public interest, boosting visitor numbers. The museum, originally built for abolitionist Joseph Brewster, retained its historical architecture and was later occupied by the Tredwell family before becoming a museum in the 1930s. The passageway’s purpose remained unclear until historian Ann Haddad uncovered Brewster’s abolitionist ties, including antislavery petitions and church affiliations.
The discovery has intensified a long-standing dispute with a neighboring property owner, who plans to develop an office building adjacent to the museum. The Landmark Preservation Committee approved the project in 2023, contingent on a study to mitigate potential damage to the museum’s fragile plasterwork. However, the developer has yet to conduct the study and has proposed an even larger building. The museum argues that construction vibrations could destroy the passageway and other historical features. Community Board 2 has recommended the city acquire the lot to protect the museum, while the museum itself has launched a legal fund to cover the $1 million already spent on the fight.
Full Take
The strongest version of this narrative highlights a rare historical discovery threatened by modern development, framing it as a clash between preservation and progress. The museum’s case is compelling: the passageway is a tangible link to the Underground Railroad, and its fragility underscores the urgency of protection. The developer’s delay in conducting the required study and the proposal of a larger building raise legitimate concerns about the prioritization of profit over heritage. The community’s recommendation to acquire the lot suggests broad support for preservation, while the museum’s legal fund signals the high stakes involved.
Patterns detected: ARC-0024 Ambiguity (developer’s shifting plans without completed studies), ARC-0043 Motte-and-Bailey (approving development with conditions that may not be enforced).
The root cause lies in the tension between urban development and historical preservation, a recurring conflict in cities where space is scarce and history is commodified. The unstated assumption is that economic growth and cultural heritage are inherently at odds, though creative solutions (e.g., adaptive reuse) could bridge this divide. The narrative echoes broader struggles over gentrification and the erasure of marginalized histories, where sites of resistance like the Underground Railroad are particularly vulnerable.
The implications for human agency are significant: if the passageway is destroyed, future generations lose a direct connection to abolitionist history. The costs are borne by the museum and its supporters, while the benefits of development accrue to private interests. Second-order consequences could include a chilling effect on historical preservation efforts if developers perceive weak enforcement of protections.
Bridge questions: What alternative development models could balance preservation and economic needs? How might the city’s landmark policies be strengthened to prevent similar disputes? What other Underground Railroad sites might be at risk, and how can they be systematically protected?
Counterstrike scan: A bad actor pushing this narrative might exaggerate the threat to the passageway to rally opposition to all development, or downplay the historical significance to fast-track construction. The actual content does not match this pattern; it presents a nuanced conflict with legitimate concerns on both sides, though the museum’s perspective is more thoroughly detailed.