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Palo Alto ARB recommends facade refresh for 164 Hamilton Avenue, sets follow-up technical checks
Summary
The Architectural Review Board voted 5-0 to recommend approval of facade modifications to a downtown Hamilton Avenue office building, while asking the applicant to return to an ad hoc committee to refine joint lines, window mullions, ventilation and canopy supports.
The Palo Alto Architectural Review Board on Thursday recommended approval of proposed exterior updates to 164 Hamilton Avenue, a 10,150-square-foot office building near the downtown Caltrain station, and asked the applicant to return with technical clarifications and details.
The board voted 5-0 to recommend approval to the Director of Planning and Development Services, subject to the findings and conditions in the staff report and additional items the board requested be resolved by an ad hoc committee before final sign-off.
The project would replace the building's ground-floor stone cladding with neutral-colored brick veneer, resurface upper façades with smooth cement plaster in a warm gray, replace single-pane windows and metal awnings with new storefront glazing and thin aluminum plate canopies, and install new wall-mounted sconces. Staff said the project is exempt from additional CEQA review under standard downtown guidelines and that interior tenant improvements are being handled via separate building permits.
During the hearing project planner Nishita Kandakupa and applicant Nicholas Tedesco presented the design intent: simplify materials, improve street engagement by revealing clear storefront glazing, and use a limited palette (brick, cement plaster and medium-bronze aluminum accents) to harmonize with adjacent buildings. A public commenter, resident Martin Bernstein, asked as a condition of approval that construction not block the alley that provides access to his private parking.
Board members raised detailed questions about how the design would be executed. The board asked the applicant to reduce the number of visible stucco/control joints on the front façade, clarify how brick control joints would align with existing stucco joints, and explain the planned recessed or painted panel areas at the stair tower. Members pressed the applicant to revisit the second-floor window mullion pattern to improve consistency with the ground and upper floors and to explore providing natural ventilation at upper-floor windows where feasible.
The ARB also asked for clearer engineering and shop drawings for the two thin aluminum canopies shown on the elevations. The applicant's team acknowledged that the fabricator may need hidden ribs or discrete support details and agreed to provide structural details showing how the quarter-inch plate canopies will be supported.
The board formed an ad hoc committee, chaired by Chair Rosenberg, to review the follow-up materials. The applicant agreed to return to the ad hoc with responses on: (1) revised second-floor mullion patterning for consistency, (2) provision of some natural ventilation on upper floors where possible, (3) clarified control-joint locations for brick and stucco, (4) consideration of planters or other minimal street-level separation options to help privacy while maintaining transparency, (5) re-evaluation of the painted versus metal treatment between stair-tower windows, and (6) structural details for canopy supports.
The ARB's recommendation and conditions will be forwarded to the Director of Planning and Development Services for final action under the downtown commercial and ground-floor/pedestrian combining district regulations.
"The goal was to simplify and have this fit in with the context of the neighborhood a little bit more," project presenter Nicholas Tedesco said, describing the proposed material simplification. "We wanted to have variation in fenestration size and pattern that enhances architectural character of the building."
Board members emphasized design consistency and operability: "I would strongly encourage natural ventilation," said Board Member Balte, adding that even small operable transoms can materially improve occupant comfort. The applicant said operability had not yet been finalized and the team would study options with mechanical engineers.
The board recorded the 5-0 recommendation and directed the ad hoc to return with the requested technical clarifications before final administrative approval. Staff will post the ad hoc findings and any revised drawings with the project record.
