About Graystone

A full-service firm with a specialist’s focus.

Graystone specializes in asset management and repositioning — backed by brokerage, leasing, construction oversight, and assessment capability under one roof, and sized so every decision-maker knows your portfolio personally.

Where We Come From

Built stewarding a family trust. Expanding by design.

Pardon our dust — our story is being written

The full Graystone story — where we started, and why we opened our doors to a select group of owners — is on its way. Our business isn’t perfect, but we never stop trying for perfection. In the meantime, the numbers on our track record tell it well.

The People

Every face. Every direct line.

Big firms give you an account team. We give you the actual people — reachable directly, accountable personally.

Leonard Corsi
President / Managing Broker
Four decades in commercial real estate — development, management, and work alongside some of the industry’s biggest names. One of the first green residential developers in Northeast Ohio.
Nathan Corsi
Property Management & New Business Development
Fifteen years in construction and finish carpentry — and nearly a decade touring the country as a bandleader — before real estate. A builder’s eye for property management, contractor orchestration, tenant relations, leasing, and acquisitions.
Ryan Schissler
Assistant Director of Sales & Leasing
A Rockhurst grad who started at the Ace Hardware in Ranch Mart South — and realized the career he wanted was on the other side of the landlord’s desk. Sales, leasing, and buyer representation.
Sue KubasOffice Manager — years inside property-management operations, including an integral role in the development of The Legends
Gary MersmanHead of Accounting — military veteran, a lifetime in the numbers, and as good-hearted as they come
IO
Ian OwensOffice Administrator — every question finds its answer, the office stays bright, and the coffee never runs dry

Pardon our dust New team photography is on the calendar — fresh faces, same people.

Where We Work

Greater Kansas City — both sides of the state line.

Concentrated in Johnson County, serving the metro, and taking select engagements across the surrounding Midwest. Hands-on only works when you can actually put hands on the property — so we stay where we can.

A Deliberate Standard

We partner with owners committed to A‑tier portfolios.

If you see your properties as investments to grow — not just assets to hold — we should talk.

Let’s talk about your portfolio