The Architecture Billings Index (ABI) dropped to 33.3 in January, down from the 34.1 mark in December, according to the American Institute of Architects (AIA), Washington, D.C.

Among key January ABI highlights:

  • Regional averages: West (38.3), Midwest (34.6), South (34.4), Northeast (29.8)
  • Sector index breakdown: mixed practice (39.6), institutional (37.1), commercial/industrial (33.8), multi-family residential (29.5)
  • Project inquiries index: 43.5.

Any score below 50 indicates a decrease in billings.