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NMLS ID # NMLS # 228246
William Rapp, based in Houston, TX, US, is currently a Capital Advisor at Medallion Funds, bringing experience from previous roles at eXp Commercial, NEXA Mortgage, Viking Enterprise LLC and Sun Realty - Houston. William Rapp holds a 1997 - 2001 BBA in Finance @ Texas A&M University. With a robust skill set that includes REO, Sellers, SFR, FHA financing, Reverse Mortgages and more, William Rapp contributes valuable insights to the industry.


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đ˘ Multifamily Underwriting Secrets Every Investor Must Know đ°đ
đ Why Multifamily Deals Fail Underwriting (And How to Win) đ
Multifamily Underwriting Secrets Every Investor Needs to Know
If youâve ever had a multifamily deal fall apart late in the process, chances are it wasnât the propertyâit was the underwriting.
Hereâs the reality:
Deals donât get approved based on what you think theyâre worth. They get approved based on how lenders underwrite risk.
As a mortgage broker working with multifamily investors across Houston and beyond, I can tell you thisâ
đ Structure beats rate. Every time.
Letâs break down the underwriting secrets that separate approved deals from dead ones.
đ 1. DSCR Is the Gatekeeper (Not Your Pro Forma)
Most investors focus on projected rents and upside.
Lenders donât.
They focus on Debt Service Coverage Ratio (DSCR) based on:
¡In-place rents (not future rents)
¡Adjusted expenses (often higher than yours)
¡Stress-tested debt payments
đ A deal you think is a 1.25 DSCR can easily become:
¡1.10 after lender adjustments
¡Or worseâbelow 1.0 (automatic decline)
Pro Tip: Always underwrite your deal more conservatively than the lender.
đ¸ 2. Expenses Are Where Deals Quietly Die
Lenders will adjust:
¡Property taxes (based on purchase price, not current value)
¡Insurance (especially in Texasâhuge swing factor)
¡Repairs & maintenance reserves
¡Management fees (even if self-managed)
đ This is where most deals lose 10â20% of NOI.
Your takeaway:
If your deal only works on âtightâ numbersâit doesnât work.
đŚ 3. Loan Structure Matters More Than Rate
Most borrowers focus on getting the lowest rate.
Professionals focus on:
¡Interest-only periods
¡Amortization schedules
¡Prepayment penalties
¡Loan term vs exit timeline
Example:
¡A slightly higher rate with interest-only could improve DSCR and cash flow
¡A lower rate with heavy amortization could kill the deal
đ The wrong structure can cost you more than a higher rate ever will.
đ 4. Exit Cap Rate Can Make or Break Your Deal
Lendersâand smart investorsâunderwrite your exit.
They donât assume:
¡Cap rates stay the same
¡Markets improve
They assume:
đ Cap rates expand
Example:
¡Buy at 6.0% cap
¡Exit underwritten at 6.5%â7.0%
That small shift can:
¡Destroy projected profits
¡Kill refinance eligibility
đ§ž 5. Reserves & Liquidity Are Non-Negotiable
Even strong deals get declined because of weak borrowers.
Lenders want to see:
¡Post-close liquidity
¡Operating reserves (often 6â12 months)
¡Net worth equal to or greater than loan amount (common guideline)
đ âCash-flow strongâ is not enough.
đ§ 6. Lenders Underwrite RealityâNot Vision
Value-add stories are great.
But lenders care about:
¡What exists today
¡Not what could exist tomorrow
If your deal relies on:
¡Rent increases
¡Renovations
¡Lease-up assumptions
đ Expect pushback unless you have:
¡Strong experience
¡Capital reserves
¡A clear execution plan
đ 7. The Real Secret: Structure Your Deal Like a Lender
The best investors think like lenders before submitting a deal.
They ask:
¡What would kill this deal?
¡Where are the weak points?
¡How can I de-risk this upfront?
Thatâs how deals get approved fasterâand close smoother.
đ Final Thoughts
Multifamily underwriting isnât complicatedâbut it is unforgiving.
đ The investors who win are not the ones chasing dealsâŚ
Theyâre the ones structuring deals that lenders can approve.
If youâre buying, refinancing, or repositioning multifamily assets, the difference between approval and denial is often just a few underwriting decisions.
đ Work With a Broker Who Understands Both Sides
At Medallion Funds, we donât just submit dealsâwe structure them to win.
If you want:
¡Faster approvals
¡Better execution
¡Access to 600+ lenders
đ Letâs talk strategy before you submit your next deal.
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Š 2023-2024 Bill Rapp, Medallion Funds LLC, Director of Capital Advisory

Buying your first home can be both exciting and nerve-wracking at the same time. With so many things to consider and....

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Copyright Š2021 | Mortgage Viking Team
Licensed to Do Business | NMLS # 228246
This is not an offer to enter into an agreement. Not all customers will qualify. Information, rates and programs are subject to change without notice. All products are subject to credit and property approval. Other restrictions and limitations may apply. Copyright Š 2021 | Medallion Funds
Corporate | NMLS ID NMLS # 1825831
Corporate Address : 2651 N. Green Valley Pkwy STE. 101 Henderson, NV 89014
Corporate NMLS NMLS # 1825831 | Company Website: https://medallionfunds.com/bill-rapp/

Copyright Š2021 | Mortgage Viking Team Licensed to Do Business | NMLS # 228246
This is not an offer to enter into an agreement. Not all customers will qualify. Information, rates and programs are subject to change without notice. All products are subject to credit and property approval. Other restrictions and limitations may apply
Corporate | NMLS ID NMLS # 1825831
Corporate Address : 2651 N. Green Valley Pkwy STE. 101 Henderson, NV 89014 https://medallionfunds.com/bill-rapp/
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