Zoning Board approves two Witherspoon-Jackson home additions
Two projects in the Witherspoon-Jackson Historic District won unanimous approval, clearing zoning hurdles for additions at 224 JoAnn Street and 22 Green Street.
Two hosts walk through the week’s edition in conversation — two witherspoon-jackson addition applications approved, 164 prospect avenue (block 55, and what’s coming next. Generated by Aware, from this week’s verified summaries.
Both applications needed bulk variances in the R4B Zone, but each cleared zoning review and Historic Preservation Commission review before the Board voted yes.
Two homes cleared the last local hurdle this week. The Princeton Zoning Board of Adjustment unanimously approved two residential projects in the Witherspoon-Jackson Historic District: a two-story rear addition at 224 JoAnn Street and a rear addition with a small ADU at 22 Green Street. Both applications required bulk variances in the R4B Zone before they could move ahead.
The vote closed out a review process that had already included zoning review and Historic Preservation Commission review. That matters in this district, where changes to homes can trigger both land-use and preservation questions. By the time the applications reached the Board, the central question was whether the requested variances should be granted so the projects could proceed as proposed.
The Board said yes to both, and did so without dissent. That gives the property owners a clear path to move forward on the approved plans for JoAnn Street and Green Street. For neighbors, the practical result is straightforward: two more homes in the district are set for rear-yard construction, including one project that adds a small accessory dwelling unit.
164 Prospect Avenue (Block 55.01, Lot 16) — variance for pergola/floor area (R2B Zone)
A backyard pergola took its fourth trip to the Board. The Princeton Zoning Board of Adjustment heard an application for 164 Prospect Avenue, where the owners want to place a prefabricated pergola over an existing rear patio in the R2B Zone. The proposal called for a 240 square foot structure and required variance relief tied to floor area.
Testimony focused on how Princeton code treats the pergola because of its operable louvered roof and sidewalls. The zoning officer said the covered structure counts toward floor area, and the property was already at the maximum. The architect said the plan had been scaled back from an earlier, larger design, while the planner argued the revised version would not add livable space, bedrooms, or density.
No one from the public spoke when comment opened. Board members said the application had changed significantly from earlier versions and described the added floor area as minimal. The Board then approved the variance request unanimously by roll call, allowing the pergola to move ahead.
Board delays 25 Henderson hearing
The Board carried the 25 Henderson application to the September 23, 2026 meeting after objectors retained counsel and asked for time to review the case. The applicant's attorney agreed to the delay and said the applicant would extend the MLUL clock date.
procedural
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