Data Explorer

Baltimore in numbers

Open datasets from city agencies, with plain-language descriptions and sample questions you can ask.

Housing

Vacant Building Notices

Department of Housing & Community Development · Updated 2026-05-12

Active vacant building notices issued by DHCD, including address, ward, and notice date. Useful for tracking blight and receivership activity.

Key fields

AddressCouncil DistrictNotice DateStatusOwner of Record

Try asking

· Which neighborhoods have the most vacants?
· How has the vacant count changed over 5 years?

City Services

311 Service Requests

Mayor's Office of Performance & Innovation · Updated 2026-05-18

All 311 requests submitted to the City, including request type, status, agency, and close time.

Key fields

Request TypeAgencyCreatedClosedStatusNeighborhood

Try asking

· What 311 issues take longest to close?
· Trash complaints by neighborhood this month?

Public Safety

Part 1 Crime Incidents

Baltimore Police Department · Updated 2026-05-17

Reported Part 1 crime incidents with location, time, weapon, and offense category.

Key fields

OffenseDateDistrictPremiseWeapon

Try asking

· Trend of carjackings in the last 12 months?
· Which district had the largest drop in violent crime?

Budget

Adopted Operating Budget

Bureau of the Budget & Management Research · Updated 2026-04-30

Line-item adopted operating budget by agency, service, and fund source.

Key fields

AgencyServiceFundFYAmount

Try asking

· How much does the city spend on solid waste?
· Which agencies grew fastest year over year?

Development

Building Permits

Department of Housing & Community Development · Updated 2026-05-15

Issued building permits including type, valuation, applicant, and location.

Key fields

Permit TypeAddressValuationApplicantIssued

Try asking

· Where is new construction concentrated?
· Top permit applicants this year?

Food

Food Access & Retailers

Baltimore City Health Department · Updated 2026-03-22

Locations of supermarkets, corner stores, farmers markets, and food deserts.

Key fields

TypeAddressNeighborhoodSNAP Accepted

Try asking

· Which neighborhoods are food deserts?
· How many farmers markets accept WIC?