Exact federal listing answer
Is Massachusetts Hall, Harvard University on the National Register?
Yes · NPS status: Listed
Yes. Reference 66000769 is listed.
Yes. The U.S. National Park Service listed-properties dataset through May 22, 2026 identifies Massachusetts Hall, Harvard University as Listed in the National Register of Historic Places under reference 66000769.
Federal statusListed
National Register reference66000769
Listed dateOctober 15, 1966
Property categoryBuilding
Published addressHarvard University Yard
LocalityCambridge, Middlesex County, Massachusetts
Significance levelNational
Published acreage0.9
Exact answer boundaryThis confirms the named federal record only.
It does not prove that another address lies inside this property or district, establish local landmark status, decide preservation review, define a legal boundary, or describe ownership or current condition.
Why the wording is date-boundedThe answer reflects the NPS dataset published through May 22, 2026 and a live NPS GIS Listed-status cross-check made September 20, 2026. NPS notes that spatial points and polygons may need correction and are not legal documents.
Additional published fields
Areas of significance: EDUCATION, EXPLORATION/SETTLEMENT.
Same locality
Other released Cambridge records.
Each linked page answers a separate named federal record.