Data
Architecture billings index rose to 47.2 in August as Northeast firms fell to their lowest reading since 2020
The AIA/Deltek Architecture Billings Index rose to 47.2 in August from 46.6 in July, still below 50, as the Northeast fell to 40.7.
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AIA
Data
Architecture billings index fell to 44.7 in September, the lowest reading since May
The AIA/Deltek Architecture Billings Index fell to 44.7 in September from 47.2 in August, as design contracts dropped and inquiries rose.
44.7 September 2026 · -5.3% on the month · +3.2% on the year
Billings fell further below 50 in September
AIA/Deltek Architecture Billings Index, national score as first reported (50 = no change)
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| Date | Trend | Category | Title | Summary |
|---|---|---|---|---|
| Data | Architecture billings index fell to 44.7 in September, the lowest reading since May | The AIA/Deltek Architecture Billings Index fell to 44.7 in September from 47.2 in August, as design contracts dropped and inquiries rose. | ||
| Data | Architecture billings index rose to 47.2 in August as Northeast firms fell to their lowest reading since 2020 | The AIA/Deltek Architecture Billings Index rose to 47.2 in August from 46.6 in July, still below 50, as the Northeast fell to 40.7. |