Block and PaperMake a map
Georgia, United States

Every building in Savannahby the year it was built

The map opens on today’s skyline. Play or scrub to explore recorded dates; undated buildings stay visible as optional present-day context. Documented former buildings appear in rust and disappear in their demolition year. Historical coverage is partial; missing buildings and dates remain unknown.

2026

30,934dated surviving buildings built by this year

Decade built
←1910
1910
1920
1930
1940
1950
1960
1970
1980
1990
2000
2010
2020
no year
30,934 of 40,149 footprints dated

9,215 undated footprints are context only, not evidence they existed in the selected year.

No dated former buildings found in this import. Historical coverage is incomplete.

drag to pan · ⌘ or Ctrl and scroll to zoom · hold ⌃ and drag to tilt
heights ×3 at this zoom

Overture Maps buildings outlines · SAGIS Chatham County 2025 parcel digest years
heights exaggerated when zoomed out

WHAT THE MAP HOLDS

Savannah in 40,149 buildings.

40,149Buildings standing today

Every structure in the Overture footprint data inside the mapped area of Savannah, garages and sheds included.

30,934Carry a year built (77%)

Dates come from building inventories, assessor parcels or explicit mapped construction dates. Parcel dates can describe the main building rather than every outbuilding. 9,215 buildings have no year at all and remain grey as optional present-day context.

61 mTallest structure

Johnson Square Business Center. Heights come from lidar or the source data where we have it. Otherwise we estimate from floor counts.

1779Oldest dated building

We take this only from buildings with their own record, never from an area estimate.

Recorded construction yearsHow the years were sourced

Dates come from building inventories, assessor parcels and explicit mapped construction dates. A parcel date can describe the main building rather than every outbuilding.

THE SHAPE OF THE STOCK

Which decades are left.

Each bar counts surviving buildings with a recorded date in that decade. A short bar can reflect fewer surviving buildings or missing construction dates. It does not measure everything built or demolished during that decade.

Savannah buildings standing today, by the decade they were builtThe tallest bar is no year with 9,215 buildings. 1800s 30, 1810s 12, 1820s 19, 1830s 9, 1840s 34, 1850s 153, 1860s 97, 1870s 128, 1880s 136, 1890s 257, 1900s 1,794, 1910s 819, 1920s 3,076, 1930s 3,152, 1940s 6,808, 1950s 7,053, 1960s 2,350, 1970s 1,632, 1980s 749, 1990s 366, 2000s 1,333, 2010s 574, 2020s 353, no year 9,215.01.0k2.0k3.0k4.0k5.0k6.0k7.0k8.0k9.0k180018201840186018801900192019401960198020002020no yearDecade the building went up
Buildings standing today. Savannah, 40,149 mapped buildings, 30,934 with recorded construction years.
HOW TO READ THIS MAP

Colour, height, and what to trust.

Drag to pan. Hold ⌃ or use the right mouse button to tilt. Scrub the timeline to stop on any year. Everything you change goes into the address bar, so copy the URL or press Share and the other person sees exactly what you see.

  • Decade built. Warm colours mark the oldest buildings left and cool colours the newest, one step per decade from 1910 on.
  • Grey. No construction year on record. Undated buildings stay visible as present-day context throughout the timeline. Hide them with “Show undated present-day buildings” to view dated records alone.
  • Height mode. Switch the colour from age to height and the same boxes become a relief map of where Savannah is tall.
  • Heights are exaggerated when you zoom out. At the widest view they stand up to forty times taller, so a whole city still reads as a skyline. From zoom 15 in, the boxes are at true scale.
DATA AND METHOD

Where these buildings come from.

  • Coverage target: 1800–2026. 30,934 of 40,149 current footprints have a recorded construction year (77%). 9,215 remain undated. These counts cover the map’s extraction area, which can extend beyond city boundaries.
  • Historical records are incomplete across 1800–present. Missing buildings, unknown demolition dates and undocumented replacements remain gaps; an empty location in an earlier year does not establish that the site was vacant.
  • 0 documented former buildings with usable lifetimes in this dataset. No usable historical lifetimes were found in this import. Standing-building counts and charts exclude these historical records.
  • Repeated census-tract median dates, including 1938, are no longer assigned as construction years. Undated buildings remain unknown; recorded 1938 dates are retained.
  • The main footprints describe surviving buildings. The rust historical layer adds documented former buildings only between their construction and demolition years. Dots mark locations where a historical outline is unavailable. This is a partial reconstruction, not a complete inventory of past buildings.
  • Heights are measured where the source has them and estimated from floor counts otherwise. 24,192 of 40,149 are measured.
  • Below zoom 12.5 the map draws 100 m cells instead of individual footprints, so you can see a whole city at once. Cells use the median recorded year of their current buildings; zoom in for individual outlines and construction years.
  • Built 2026-09-09. This is a snapshot, not a live feed.
TAKE IT OFF THE SCREEN

Put Savannah on paper.

A browser tab is a fine place to lose an hour, but it is not a wall. The studio prints a street map of the same place in colours you pick, with your own words underneath.

Make a Savannah print See the Savannah print page ↗
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