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Commission approves lime-plaster replacement and porch enclosure at 433 Madison Street with detailed materials stipulations
Summary
The commission approved removal of cement-based stucco and application of natural hydrated lime plaster at 433 Madison Street, and approved a porch enclosure provided its footprint and historic wood elements are retained and windows meet adopted window policy.
The Historic and Design Review Commission approved a certificate of appropriateness on Nov. 19 to remove inappropriate cementitious stucco from the first floor of 433 Madison Street and replace it with a natural hydrated lime plaster using a staff‑recommended 1:3 mixture ratio.
Staff explained that the historic primary structure includes soft limestone masonry and that cement‑based stucco can trap moisture, risking masonry deterioration; the proposed natural limewash is considered best practice to avoid damage. Staff recommended that stucco removal be done by hand where possible to avoid damage and that lime plaster match appropriate texture and color conventions. The commission also approved enclosing the rear porch and balcony only so long as the footprint and visible wood elements (columns, beams, detailing) remain unchanged and the enclosure is clad in wood siding or paneling with fully wood windows that meet staff window-profile stipulations.
The King William Association provided a letter supporting staff stipulations, and the applicants said they agree with the conditions. Commissioners discussed how to negotiate the difference between existing second-floor finishes and the new limewash, and staff said they would work with the applicant on details such as a separating belt course or complementary paint color on the second floor. A motion to approve with staff stipulations carried by roll call.
