311 service request data

311 service request counts sourced from each city’s open data portal. 25 US and Canadian cities tracked. Select a city for monthly trends and per-category breakdowns.

Current release

Data through April 2026

Last record: April 1, 2026

Monthly refresh on the 2nd of each month

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Noise maps→

Block-level 311 noise heatmaps for 6 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