Family-rooted Real Estate Development & Management across the Southeast.
For three generations, Riverside Group has built, acquired, and managed properties that create lasting value for tenants, partners, and communities across Florida, Virginia, Georgia, and the Carolinas.
About Us
Riverside Group is a family-rooted real estate company built on three generations of experience. What started as J. Griffin Development has grown into a diversified portfolio spanning commercial, multifamily, single-family, and industrial flex properties.
Today, Shannon and Kayla Griffin carry that legacy forward, blending proven development expertise with a modern approach to property management, investment, and partnerships.
3 Generations in
Real Estate
Legacy of J. Griffin Development
13+ Properties Across
the Southeast
Florida, Georgia, and Virginia
$22M in Multifamily
Acquisitions (2022)
Through our 25/8 Capital partnership
Focused Acquisition
Criteria
See what we’re looking for
Our Portfolio
We manage a diverse mix of real estate categories, reflecting our experience across commercial, residential, and multifamily markets.
COMMERCIAL
Retail centers in Stuart and Port St. Lucie serving local communities
APARTMENTS
Larger multifamily communities
through our Dwell brand
SINGLE FAMILY
Homes in Florida, North Carolina,
and the Keys
WAREHOUSES
Industrial and flex assets built and
acquired over 30 years
MULTIFAMILY
Duplexes and neighborhood
rentals for stable housing
VACATION RENTALS
Seasonal and short-term rentals in
sought-after locations
Looking to Sell or Partner?
We are actively seeking opportunities across the Southeast.
Our Focus: Industrial, retail, and multifamily with value-add potential.
Markets: Florida, Virginia, Georgia, North Carolina
Asset Types: Industrial/Flex, Retail Strip Centers, Multifamily (40–150 units)
Deal Size: $1.5M–$5M
Meet the Team
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Shannon Kiefhaber
A third-generation real estate investor and Georgia Tech–trained engineer, Shannon leads asset management for Riverside Group and co-founded 25/8 Capital.
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Jim Griffin
Founder of J. Griffin Development, Jim has over 30 years of experience building and managing a diversified portfolio of industrial and retail properties.
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Kayla Griffin
An art director and brand strategist, Kayla ensures Riverside Group’s story and values are communicated with clarity and impact.
Affiliates & Partners
25/8 Capital
A multifamily investment firm co-founded by Shannon Kiefhaber with Victor and Leigh Leite. Since 2022, we’ve acquired and managed over $30M in multifamily real estate including 223 multifamily apartments across five properties.
Dwell Management
Our in-house property management company providing hands-on oversight for all multifamily and residential assets located in Virginia Beach, VA—resident-focused operations that support long-term value.
Do you have a deal that meets our investment criteria?
Shannon@riversidegroupfl.com
(772) 341-3423