Independent city · code 24510
Baltimore cityMaryland
Baltimore is an independent city in Maryland that was founded in 1729. It was named after Cecil Calvert, 2nd Baron Baltimore.
- Founded1729
- Named forCecil Calvert, 2nd Baron Baltimore
- Land area81 sq mi + 11 sq mi water
- Population585,708 2020 Census
- Parcels mapped223,651 checked 16 October 2026
Where it is
Baltimore on the map of Maryland
Maryland has 24 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Founded in 1729
An old deed may name a county that no longer exists, or a boundary that has since moved.
Baltimore City became an independent city, separate from Baltimore County, on July 4, 1851. In 1888 and again in 1918, Baltimore City gained territory from Baltimore County and Anne Arundel County.
- 1851Independent city separated Baltimore City became an independent city, separate from Baltimore County. · (Swindler, 4:399-410
- 1888Gained territory Baltimore City (Ind. City) gained from Baltimore. · Md. Laws 1888, ch. 98, secs. 1-4/pp. 113-117
- 1918Gained territory Baltimore City (Ind. City) gained from Anne Arundel and Baltimore. · Md. Laws 1918, ch. 82, sec. 1/p. 135
Land and parcels
What the maps cover in Baltimore
Who publishes each layer, how good it is, and when we last checked.
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Parcels Good enough
Lot lines and tax-map numbers for 223,651 parcels from Baltimore city. Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
checked 16 October 2026 -
Address points Missing
No public address points layer found for Baltimore city yet.
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Buildings Reference
Roof outlines traced from aerial imagery from FEMA Response Geospatial Office with Oak Ridge National Laboratory (ORNL). Good for seeing what is on a lot; not accurate enough to set a fence from.
checked 18 October 2026
- Official
- from the office that keeps the record
- Good enough
- a reliable statewide or national copy
- Fallback
- a guide only; check the official record
- Missing
- nothing public found yet
People and land
Baltimore by the Census
Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.
Rules and offices
Baltimore city's official site
We have found the county's site but not its offices yet; start there.
County government
- County government
The official website of Baltimore city.
See your own lot on these maps
Open Baltimore city on Parcel Chart's free map and click your parcel. Save it with a free account; the full record of your place (site map, projects, documents) is Pro, in early access.
Questions
Common questions about Baltimore city
- When was Baltimore city founded?
- Baltimore city was founded in 1729, and named after Cecil Calvert, 2nd Baron Baltimore.
- Is there an online parcel map for Baltimore city?
- Yes. Baltimore city publishes a parcel map of 223,651 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Baltimore city's boundary or name changed?
- Atlas of Historical County Boundaries records 3 changes for Baltimore city. Since then the Atlas of Historical County Boundaries records 3 later changes, chiefly involving Baltimore County and Anne Arundel County.
- Is my lot in a flood zone?
- We do not have flood maps for Baltimore city yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby