Years Finance Experience
Capital Raised for Public Companies
Units Under Advisory
Investors Served
Most multifamily investors finance properties one deal at a time. The investors who scale fastest finance their portfolio strategically.
Your Capital Quarterback
Founded by Gary Mascitis, Jr., a 23-year Wall Street veteran who helped raise over $200 billion for public companies, GSM Commercial Capital is a boutique capital advisory firm that serves as the strategic financing partner for multifamily investors.
The one person on your team who sees the entire field and calls the right play. We bring institutional-grade financial engineering to investors who think at the portfolio level — not just the next transaction.
Founder & Principal
Gary Mascitis, Jr.
23 years Wall Street · $200B+ raised
How We Structure Capital for Scaling Investors
Not loan programs. Not rate sheets. Strategy categories — designed to solve the structural capital problems that slow portfolio growth.
Portfolio Capital Strategy
Analyze existing loans, maturities, leverage, and equity positions to design an optimized capital structure across your entire portfolio.
Learn moreEquity Unlock & Refinancing
Turn trapped equity into deployable capital for acquisitions, development, or portfolio expansion — not just another refinance.
Learn moreAcquisition Capital Strategy
Structure financing solutions that support long-term portfolio growth across agency, bank, DSCR, and private capital channels — not just one transaction.
Learn moreTwo Types of Multifamily Investors We Work With
Whether you're scaling your first portfolio or structuring capital across hundreds of units, we meet investors at the stage where capital strategy becomes critical.
GSM Capital Advisory
For established multifamily operators ready to think at the portfolio level. Capital stack restructuring, portfolio refinancing, and strategic advisory from a team led by a 23-year Wall Street veteran who helped raise $200B+ for public companies.
Beyond Brrrr
Built the portfolio, hit the wall? If you've used the BRRRR strategy to accumulate 1–30 units but feel stuck — trapped equity, rate confusion, unclear next steps — this program is for you.
Strategic Capital Solutions
Real examples of how capital structure can change the trajectory of a multifamily portfolio.
Unlocking Strategic Collateral from a Fully Encumbered Portfolio
Every property carried a mortgage despite conservative leverage. A portfolio-level restructure freed several assets and created flexible collateral for growth.
Most portfolios evolve one deal at a time. Few are ever redesigned strategically.
View Case StudyFinancing Value-Add Acquisitions at 80% Leverage
Agency debt worked for stabilized assets but not value-add. A relationship bank structure aligned underwriting with the property's operational upside.
Different lending channels solve different problems.
View Case StudyBuilding a Real Estate Line of Credit for Opportunistic Acquisitions
Capital was tied up in stabilized assets. A structured line of credit created a standing capital facility for competitive markets.
Speed is often the deciding factor in competitive acquisitions.
View Case StudySound Familiar?
The Capital Problems That Slow Portfolio Growth
You have significant equity locked in properties — but no clear strategy to redeploy it.
Your loans are a patchwork of different terms, rates, and maturities with no unified structure.
You're spending more time navigating lender relationships than executing your investment thesis.
You know you should refinance — but you're unsure whether the timing, structure, or lender is right.
You're ready to acquire, but your current capital structure can't support the next deal.
If even one of these applies, your portfolio is leaving capital on the table.
What's Your Capital Score?
A 2-minute diagnostic that reveals whether your portfolio's capital structure is working for you — or quietly holding you back. No login required.
Identify trapped equity inside stabilized assets
Evaluate your debt structure alignment
Benchmark your lender access against sophisticated operators
Receive a personalized score with interpretation
Portfolio Capital Audit
12 Questions · 2 Minutes · Free
Designed for entrepreneurial multifamily investors scaling portfolios from $10M to $500M+.
No login required. Results delivered instantly.
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