Charleston's 6yr housing plan: 7,000 units, 3,500 affordable

Town of Mount Pleasant · Planning Committee
🏙️ Committee votes to pause data center development and send zoning definitions to planning commission
Responding to public calls for an outright ban, the planning committee voted unanimously to recommend a temporary moratorium on data center development — set at 120 days — and directed the planning commission to evaluate zoning code definitions and potential modifications across AB2, ED, and light industrial districts. Staff confirmed data centers are currently a permitted use by right in three zoning districts, with no known active applications. Speakers cited aquifer depletion, noise, energy demand, and aesthetic concerns; the town attorney clarified that a ban is achievable through precise zoning code language rather than a blanket prohibition.

City of Charleston · Board of Architectural Review Large
🏗️ College of Charleston student housing at burial ground site receives conceptual approval 3-1
The BAR-L granted conceptual approval for a new multi-story student housing building at 106 Coming Street, a site that encompasses an 18th-century municipal burial ground. Public commenters from Historic Charleston Foundation, the Preservation Society of Charleston, and professional archaeologists urged deferral until ground-penetrating radar and archaeological fieldwork results are available. The board voted 3-1 with conditions including a requirement that commemorative space design articulate its relationship to the site's specific history before permits can be issued.

City of Charleston · Ad Hoc Budget Committee
💰 Departments pitch 2027 budget requests as city eyes fee hikes and new positions
The committee heard detailed budget requests from Development Services, Stormwater, and Community Services, including proposals for new staff positions in asset management, building inspection, and green infrastructure. Development Services presented fee schedule revisions projected to generate $1.8 million in additional general fund revenue, with increases benchmarked against Charleston County and Mount Pleasant. Monthly financials showed the city in generally solid shape with permit revenues over target, though property insurance and fuel costs pose concerns heading into the final budget cycle.

City of Charleston · Commission on History
📋 Marker installed on public property without commission review sparks process overhaul
A historical marker for St. Phillips Church was placed on the public right-of-way without coming before the Commission on History, prompting the city to implement new inter-departmental check-off procedures. The commission discussed but did not vote to require the marker be redone, and the city's position is that St. Phillips acted in good faith. Staff will follow up to obtain documentation and report back at the next meeting.

City of Charleston · Board of Zoning Appeals – Site Design
🌳 Board approves 102-unit Johns Island townhouse with contested tree removal variances
A 102-unit for-sale townhouse project on River Road at Johns Island sought variances to remove 15 grand trees and a special exception to remove 7 more, drawing 183 written public comments and in-person opposition from the Coastal Conservation League and the Charleston County Tree Preservation Alliance. Staff recommended approval with 10 conditions requiring tree preservation plans, arborist monitoring, 442 caliper-inches of mitigation planting, unit reductions, and pond shifts to save additional trees. The board approved 4-1, adding post-construction arborist monitoring and annual health reports for two years with mitigation required if any protected tree dies within that period.

City of Charleston · Board of Zoning Appeals – Site Design
🏙️ Radcliffeborough parking garage clears tree variance with live oak relocation commitment
A downtown student-housing and commercial parking garage project at 15 Radcliffe Street sought variances to omit the 15-protected-trees-per-acre requirement and reduce impervious setbacks near two grand trees, with a plan to box and relocate the site's largest live oak using SC Urban Forestry Works at the applicant's expense with a 5-year warranty. Two neighborhood residents spoke in opposition citing heat island and flooding concerns, while the board viewed the voluntary tree relocation as a significant good-faith commitment. The board approved 5-0 with conditions including palm tree relocation or monetary contribution to the city street tree program.

I recently got a close look at Charleston's latest housing density plan, and it's a lot more thought-through than the word "density" usually gets credit for. Here's what stood out to me.

The project brought in urban planners and architects from the United Kingdom. The reasoning: Charleston's character is closer to an English city than an American one, so it made sense to bring in people who design for that kind of urban fabric. The stated goal of the whole project is straightforward: address Charleston's housing needs by increasing density. How they're going about it is where it gets interesting.

Rather than cramming density onto a handful of small lots, the plan spreads it across multiple sites. Higher-density corridors, like along Morrison, get balanced against finer-grain areas like Wraggborough. The idea is to open up blocks with lanes and smaller, interior housing units so the city still feels like Charleston, not a slab of new construction dropped onto the peninsula.

The design phase was run as a charrette, and it leaned hard on existing Charleston architectural precedent rather than inventing something new. Affordability is a stated goal, and one path to it is repetition and scale: using the same building footprint across multiple structures but varying the exterior materials and facades so it still reads as varied rather than cookie-cutter.

The city is also looking at precast concrete shells to bring costs down through scale, including working with precast companies to optimize dimensions for transport and construction, like designing in 14-foot bays. The goal is efficient, modern construction that still looks and feels like Charleston.

The charrette was an intensive, multi-day process: site visits, drawing sessions, open houses for public feedback. That feedback actually moved the needle on design. One concrete example: proposed buildings got moved away from a creek after people raised concerns.

It's also worth knowing this wasn't presented as a finished plan. It was framed as a conceptual plan meant to get a reaction, with the expectation that it keeps getting adjusted after that week of concentrated public input.

A few specific moves came out of the charrette, all aimed at avoiding what got called a "zoned extruded" look, and instead building something that actually feels "of Charleston":

One comparison that stuck with me: in Amsterdam's Borneo Square, townhouses actually sold faster than apartment buildings at the same density level, and the read on that was individual ownership just feels different to buyers than a unit in a bigger building. That's the model Charleston seems to be leaning toward: European cities like Barcelona and Amsterdam, dense but not high-rise, rather than New York.

The French Quarter came up as a precedent for the kind of development that could work here. And there was a clear consensus point I kept coming back to: people choose Charleston for its specific character, and nobody wants the kind of development you'd find in a city like Charlotte.

Here's the math on the plan, since I've seen it get muddled: the total plan is for 7,000 new housing units. Half of that, 3,500 units, is net new affordable housing.

That affordability piece connects directly to a commuting problem I hadn't thought about in these terms before. A lot of people who work on the peninsula, healthcare workers, police, firefighters, can't afford to live there. Building more affordable housing on the peninsula could cut down on the traffic created by commuters currently living out in places like Summerville. Charleston's cost of living is already higher than the rest of South Carolina, though still below major metros like New York, and it's pushing people out to other parts of the state entirely, like Greenville.

There's a second project running alongside the housing plan: layering nature-based resilience and stormwater infrastructure onto the same development footprint. A "Ghost Creeks map," set for release next month, will show the peninsula's original landmass next to the areas that were later filled in, which points directly to where hydrological restoration is actually needed.

The recommendations coming out of that work include bioswales in roadways and designing green spaces and parks to double as resilient stormwater infrastructure. For the Mazyck-Wraggborough area specifically, the idea on the table is an integrated storage system under building pads paired with a pump system to release water into the river. A final report with a full toolkit of recommendations is expected by the end of the year.

One detail I didn't expect: there's a freshwater wetland near Morrison Drive that supports a real range of wildlife, birds, amphibians, insects. One idea on the table is giving new buildings green roofs with gravel corners to create nesting habitat for birds like the killdeer. The goal is to design new buildings so they actually integrate with the existing ecosystem, helping manage water while reinforcing what makes Charleston, Charleston. The city is also mapping the neighborhood to make sure it can actually support a new stormwater system before anything gets built.

Here’s what the local real estate market is looking like. If you want to know what’s happening in your zipcode/town specifically, either reply to this email and let me know the area, or click HERE to sign up for updates, or click the graph and search by area.

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Bill Olson
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