Baltimore

Baltimore Developer Bets $37.2 Million On Windsor Mill Townhome Takeover

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Published on February 20, 2026
Baltimore Developer Bets $37.2 Million On Windsor Mill Townhome TakeoverSource: Google Street View

St. John Properties is making a major move into Baltimore County’s rental market, shelling out $37.2 million for The Villas at Patapsco Glen, a 111-unit luxury townhome community in Windsor Mill. The deal brings a cluster of newly built three- and four-bedroom rental townhomes into the Baltimore-based developer’s portfolio and marks its first push into the rental townhome arena. Rents at the property sit at the high end of the local market, in line with its new-construction finishes and suburban address near the Patapsco Valley.

The $37.2 million deal

According to the Baltimore Business Journal, St. John Properties bought the community from Lennar for $37.2 million in a transaction announced today. The publication reports that the development traded as a single 111-unit portfolio and underscores that this is St. John’s first entry into the rental townhome space. That price works out to a per-unit value in the mid-$300,000s, a number that underscores how finished suburban rental product in Baltimore County is being valued.

Rents at the high end

Market listings show the Villas at Patapsco Glen as three- and four-bedroom townhomes with advertised rents roughly between $2,890 and $4,250 a month. Apartments.com lists the Windsor Mill community with three-bedroom homes starting in the high $2,800s and larger four-bedroom units pushing up toward $4,000, which lines up with the property’s luxury positioning. The presence of amenities and attached garages is featured prominently in listings and helps explain why the property commands a rent premium.

St. John’s new lane

St. John Properties is a long-standing, Baltimore-based developer and manager of office, flex, and residential properties in multiple states. Per the company’s own materials, it has developed and managed millions of square feet of commercial space along with thousands of residential units, giving it the operational scale to take on a dedicated rental townhome portfolio. This purchase represents a diversification in product type for a firm with deep regional roots and plenty of experience running large real estate holdings.

From for-sale to single-owner rental

The townhomes were originally built by Lennar as part of the Patapsco Glen master-planned community, and new-home listings for the broader neighborhood highlight a clubhouse, pool, walking trails, and multiple floor plans. As detailed on NewHomeSource, the Arcadia and Elmwood floorplans appear in the same collection now being leased, indicating that these homes were first conceived as for-sale product and later sold off as a completed rental portfolio. The transaction stands as one more example of finished homes moving from large production builders into single-owner rental holdings.

With the deal closed, day-to-day ownership of the Villas at Patapsco Glen now sits with a local operator that knows Baltimore County well. The next chapter will be whether St. John tweaks leasing strategy, resident services, or management style, but for now, the community remains a cluster of new-construction, amenity-rich rental townhomes in a suburban pocket near the Patapsco Valley.