
Karlin Real Estate is lining up a roughly $610 million overhaul of the former 3M campus in northwest Austin, aiming to flip the sprawling corporate complex into a full-blown life-sciences hub. An unnamed tenant is expected to take about 234,000 square feet, and the rework would reshape four of the site’s five stories. The construction is scheduled to kick off in March and wrap up around April 2027, according to filings cited by local reporting.
As reported by Connect CRE, the Austin Business Journal first disclosed the $610 million estimate, noting that the numbers come from a public filing. That filing details structural improvements, interior and exterior demolition, new interior partitions, ceilings, lighting, and restroom upgrades, along with changes to mechanical, electrical, plumbing, and IT systems to prepare the buildings for business occupancy. The same filing sets the March start date and an April 2027 completion target.
Renovation Scope And Campus Design
Karlin and its design team are retooling the existing buildings to deliver lab‑ready floors, campus amenities, and indoor‑outdoor gathering spaces that are designed to lure life‑science tenants. The project’s architect describes a campus organized around a large amenity hub and landscaped courtyards, pairing scientific workspace with community-focused features. Page outlines those design goals on its project page.
Site Size And Recent History
The property at 6801 River Place Boulevard sits on a sizable tract. Public listings show the main parcel at about 107.21 acres, with the buildings totaling roughly 1.1 million square feet. LoopNet pulls county parcel data for the site, and reporting traces the complex back to its 1987 construction and Karlin’s acquisition of the property at a foreclosure auction in summer 2021. The Real Deal reviewed the auction and the subsequent ownership change.
What This Could Mean For Austin
Karlin has pitched the conversion as a way to speed up Austin’s life‑sciences expansion by offering large, contiguous lab‑capable floors plus the kind of amenity-rich campus national life‑science tenants tend to chase. Neighborhood groups along the 2222 corridor have been in talks with Karlin over traffic impacts, density, and public access as the developer refines future phases of the project. Local coverage of those meetings and the project’s potential ripple effects is available through community reporting at Community Impact.
Karlin and the prospective tenant have not publicly released full lease terms or buildout specifics, and the developer did not immediately comment. The Austin Business Journal account cited by Connect CRE notes that the tenant remains unnamed. Expect more details to surface in public permit filings and leasing notices as the March construction start draws closer.









