230 S BROAD ST

230 S BROAD ST is a 20-story building in Center City Philadelphia with 100% of its floor area within daylight reach of a facade. This screen estimates 253 homes and scores it 93 out of 100 for office-to-residential conversion suitability.

PA-2 & PA-3 · Screened 2026-09-15 · Strong candidate

230 S BROAD ST 100% of each floor sits within daylight reach of a facade, with no dead core at all.

This building does not pencil at default assumptions, even with a modeled RESIDE Act grant.

This footprint has no windowless core at all: every point on the floor plate is within 35 ft of a facade, which is unusual and is the main reason it scores as well as it does.

Modeled conversion metrics for 230 S BROAD ST, 2026-09-15.
Suitability scoreStrong candidate93 / 100
Storiesfrom 267 ft LiDAR height ÷ 12 ft floor-to-floor20
Floor plateper floor, from the city footprint12,490 sq ft
Daylight efficiencyshare within 35 ft of a facade100%
Deepest interior pointviability threshold is 80 ft30 ft
Windowless coreper floor — renovated but never rentable0 sq ft
Estimated homesat 750 sq ft average253
Conversion cost$360/sq ft all-in on 237,308 sq ft$85.4M
Gap before grantshortfall against completed value$35.7M
Modeled RESIDE grantat the statutory per-award cap$10.0M
ZoningCenter City PhiladelphiaCMX5
Opportunity Zonenot in a 2018 designated tractNo

These figures are a screen, not a feasibility study, and they come from public footprint and height data rather than from plans. See how this was computed and what it cannot tell you, or open this building in the interactive survey to change the assumptions behind it.