Buying a Home by Borrowing Against Your Investment Portfolio

A Smart Strategy High-Net-Worth Buyers Use—When It’s Used Wisely

For some buyers, the most strategic way to purchase a home isn’t a traditional mortgage at all. Instead, they leverage their existing wealth by borrowing against their investment portfolio. This approach—often called securities-backed lending (SBL) or a portfolio line of credit—is commonly used by high-net-worth individuals to move quickly, preserve liquidity, and optimize taxes.

Here’s how it works, who it’s for, and when it makes sense.

Q: Can I buy a house without selling my investments?
A: Yes. Many high-net-worth buyers use securities-backed loans to access liquidity while keeping their portfolios invested.

Q: Is portfolio-backed lending common in Austin?
A: It’s increasingly popular among Austin executives, founders, and luxury buyers who need speed and flexibility.

Q: Is this better than a mortgage?
A: It depends. Portfolio lending is often best as a short-term or bridge strategy, while traditional mortgages may suit long-term holds.

---

How High-Net-Worth Buyers Do This

Rather than selling stocks, bonds, or funds to raise cash, buyers pledge their investment portfolio as collateral for a line of credit from a private bank or wealth management firm. Funds can be drawn quickly—sometimes in days—and used for a home purchase, bridge financing, or a competitive cash-style offer.

Importantly, the investments typically remain invested, meaning buyers stay exposed to market upside while accessing liquidity.

---

Advantages

Speed & flexibility
SBLs are fast and can close far quicker than a mortgage—ideal in competitive markets.

Tax efficiency
Borrowing avoids triggering capital gains taxes that come with selling appreciated assets.

Liquidity preservation
You keep cash on hand for other investments, renovations, or opportunities.

Competitive offers
Buyers can present stronger offers (sometimes all-cash) and refinance later if desired.

Potentially lower rates (for some)
Rates are often variable and can be attractive for short-term use, depending on market conditions and the borrower’s profile.

---

Disadvantages & Risks

Market risk
If portfolio values drop, lenders may require additional collateral or partial repayment.

Variable interest rates
Rates can rise, increasing borrowing costs.

Not all assets qualify
Illiquid or concentrated holdings may be discounted or excluded.

Not consumer-mortgage protected
These loans don’t have the same protections as traditional mortgages.

This strategy works best when paired with a strong advisor team and a clear exit plan.

---

When Is the Best Time to Use This?

• When markets are relatively stable
• When the buyer expects a liquidity event (bonus, business sale, inheritance)
• When planning a short-term hold before refinancing
• When speed matters more than long-term fixed payments

Many buyers use portfolio lending as a bridge, then later convert to a traditional mortgage once timing, rates, or tax strategy aligns.

---

What Type of Buyer Uses This?

• Executives and founders
• Investors with diversified portfolios
• Buyers relocating or purchasing a second home
• Sellers buying before their current home closes
• Families making strategic, time-sensitive purchases

In Austin’s competitive luxury and move-up markets, this approach can be a powerful differentiator.

---

The Bottom Line

Borrowing against your investment portfolio isn’t for everyone—but for the right buyer, at the right moment, it can be a smart, sophisticated way to buy a home without disrupting long-term wealth strategy.

At Schmitz & Smith, we regularly collaborate with private bankers, wealth advisors, and lenders to help buyers evaluate whether this option fits their goals—and how to structure offers that win.

If you’re curious whether portfolio-backed financing could work for you, we’re happy to talk through the scenarios.