Written by Chad Evers · NMLS #2822744 · 20+ years institutional lending · Tampa, FL
The Math
Why a second beats a full refi
Side-by-side comparison on a $400K property with a $250K first mortgage at 3%.
Option A — Full Cash-Out Refi
You lose your 3% rate
New loan: $400K at 7.25%
New payment: $2,729/mo
Your 3% rate: GONE
Option B — DSCR Second Mortgage
You keep your 3% rate
First stays: $250K @ 3% → $1,054/mo
Second: $150K @ 9.25% → $1,234/mo
Total: $2,288/mo YOU SAVE: $441/mo vs full refi
Your 3% rate: PROTECTED ✓
Access $150,000 in equity. Keep your low first mortgage.
✓ Have a first mortgage rate below 5.5% ✓ Have built $150,000+ in property equity ✓ Want to access capital without losing their existing rate ✓ Are ready to deploy equity into their next acquisition
Why Tampa Investors Are Using DSCR Seconds Right Now
Hillsborough County had significant mortgage origination volume in 2020–2021. Median loan rates from that period averaged approximately 3.10%. Current DSCR refinance rates sit between 7.25% and 8.50%. That rate gap — 4 to 5 percentage points — creates a trap for investors sitting on equity they can't efficiently access.
For a $300,000 loan balance, the math is stark. At 3.10%, the monthly payment is $1,281. At 7.50% on a new refinance, the payment jumps to $2,098 — an increase of $817 per month, permanently. No amount of equity access justifies that penalty for most investors. The DSCR second mortgage solves this by keeping the existing first intact and adding a separate lien for the equity draw.
REPRESENTATIVE EXAMPLE — WESTCHASE / SOUTH TAMPA
Purchased 2021 at $420,000 — now worth $510,000
First mortgage: $315,000 at 3.25%
Available equity via second (80% CLTV): $93,000
Monthly second payment: $859
vs. Full refi payment increase: $1,100+ Net advantage: keeps first rate + accesses $93K in equity
The neighborhoods with the highest 2020–2022 origination volume in the Tampa Bay metro — and therefore the most investors sitting on low-rate first mortgages — include Westchase, South Tampa, Hyde Park, Brandon, Riverview, Wesley Chapel, and New Tampa. These are the submarkets where DSCR second mortgages are most actively being used as equity access tools.
Investors in Pinellas County (St. Pete, Clearwater), Pasco County (Wesley Chapel, New Port Richey), and Manatee County (Bradenton) are in the same position — significant appreciation since purchase, low first-mortgage rates they cannot replace, and growing equity they need to deploy.
Representative DSCR Second Mortgage Scenarios — Tampa Bay
Representative examples based on typical Hillsborough County investor profiles. Actual terms vary by borrower.
Deal 1 — South Tampa SFR
Property: 3/2 SFR, purchased 2021 at $480K
First mortgage: $340K at 3.25%
Current value: $510K
Equity via second (80% CLTV): $68,000
Second rate: 9.25% · Payment: $627/mo
Use: down payment on Riverview rental
Time to close: 18 days
Deal 2 — Westchase SFR
Property: 4/2 SFR, purchased 2020 at $395K
First mortgage: $285K at 2.875%
Current value: $480K
Equity via second (80% CLTV): $99,000
Second rate: 9.25% · Payment: $913/mo
Use: paid off $65K business line of credit + kept $34K for reserves
Monthly cash flow improvement: $1,100
Deal 3 — Brandon 2-Unit
Property: Duplex, purchased 2021 at $320K
First mortgage: $240K at 3.5%
Current value: $385K
Equity via second (75% CLTV max): $48,750
Second rate: 9.50% · Payment: $451/mo
Combined rent: $3,400/mo
Combined DSCR: 1.31x ✓
Use: funded rehab on second unit
FAQ
Frequently Asked Questions
Minimum 660 FICO. Best rates at 680+. Credit score affects rate tier but not eligibility at 660 and above.
1.0x on the combined payment — meaning gross monthly rent must equal or exceed the combined first and second mortgage PITIA. Formula: Gross Rent ÷ Combined PITIA ≥ 1.0.
Yes. DSCR second mortgages are business purpose loans and are fully LLC-eligible. Most Florida and Ohio investors hold rental properties in LLCs for liability protection. No personal guarantee issues for qualifying LLCs.
A HELOC is a variable-rate line of credit typically available only on primary residences. Most lenders do not offer HELOCs on investment properties held in LLCs. A DSCR second mortgage is a fixed-rate 30-year loan specifically designed for investment property — LLC-eligible, no income docs, qualifies on rental income.
SFR, 2-4 unit, warrantable condos, and townhomes. Non-warrantable condos are reviewed case by case. Rural properties and those on more than 10 acres may have restrictions.
Typically 15–21 days from complete application. Faster than a full refinance because there's no payoff of the existing first — just adding a second lien.
Yes — a 5-year step-down prepayment penalty is standard. Year 1: 5%, Year 2: 4%, Year 3: 3%, Year 4: 2%, Year 5: 1%. After year 5: no penalty. This is standard for BPL second mortgage products.
Yes. STR income is accepted on most programs with 12 months of documented rental history. Income is typically calculated at a slight discount to account for vacancy and seasonality.
80% CLTV for SFR. 75% CLTV for 2-4 unit properties. Combined means your existing first balance plus the new second cannot exceed that percentage of the appraised value.
If your first mortgage rate is below 5.5%, a cash-out refi requires you to refinance the entire balance at today's rates (7.25–8.50%). On a $300K balance, that's $817/mo more — permanently. A DSCR second keeps your existing rate on the first and only adds the second at 9.25%. For most rate-trapped investors, the second mortgage saves $400–800/month vs a full refi.