311 service request counts
Monthly trends and per-category breakdowns for 32 US and Canadian cities, sourced from each city's open data portal.
Current release
Data through April 2026
Last record: April 13, 2026
Monthly refresh on the 2nd of each month
Finding your nearest city...
Noise maps→
Block-level 311 noise heatmaps for 3 cities. Tap any block or search any address to get an A–F noise grade and a raw complaints-per-week count, sourced from each city's open data portal.
Browse all noise maps →
Cities
- AustinTX
- BaltimoreMD
- Baton RougeLA
- BostonMA
- BuffaloNY
- CalgaryAB, CA
- CharlotteNC
- ChicagoIL
- ClevelandOH
- EdmontonAB, CA
- IndianapolisIN
- Los AngelesCA
- LouisvilleKY
- MinneapolisMN
- MontréalQC, CA
- NashvilleTN
- New OrleansLA
- New York CityNY
- OaklandCA
- OttawaON, CA
- PhiladelphiaPA
- PittsburghPA
- San DiegoCA
- San FranciscoCA
- San JoseCA
- SeattleWA
- SomervilleMA
- St. LouisMO
- TorontoON, CA
- VancouverBC, CA
- WashingtonDC
- WinnipegMB, CA