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If you're ready to buy your next home, do you really need to sell the Katy, TX home you already own?
Maybe not.
Keeping the current home and converting it into a rental can be worth considering, especially for homeowners who have substantial equity or an existing mortgage rate they don't want to give up.
But I wouldn't make the decision simply because the mortgage rate is attractive or because someone says the home could rent for more than the monthly mortgage payment.
Before deciding whether to sell or rent, I want to compare both options.
Start with the resale side.
What would today's market likely support for your home?
That requires more than looking at an online estimate. I want to evaluate relevant comparable sales, current competing listings, property condition, updates, neighborhood-level inventory, the home's price range and, where relevant, nearby new-construction competition.
Then we can estimate how much equity might become available after the mortgage and applicable selling expenses.
That's important because keeping the property means choosing to leave that equity invested in the existing home.
That may be the right decision, but it should be intentional.
Next, look at the rental market.
The important number isn't what you'd like to charge.
It's what comparable rental properties support.
Neighborhood, property size, bedrooms and bathrooms, condition, updates, lot, amenities and competing rental inventory can all affect market rent.
And remember:
A property advertised for $3,000 per month hasn't necessarily demonstrated that tenants will actually pay $3,000.
Looking at relevant leased properties can provide important context when estimating realistic rent.
No.
This is an easy trap for a first-time landlord.
If the expected rent is $2,800 and the mortgage payment is $2,100, it may look like the property produces $700 per month.
But rental ownership can involve additional expenses, including:
A property that appears profitable using only rent and the mortgage payment can look very different once realistic expenses are considered.
There is also a lifestyle question.
Keeping the property means becoming a housing provider.
That can involve finding and screening tenants, handling lease documentation, coordinating maintenance, responding to repair requests, managing renewals and complying with applicable requirements.
A professional property manager can handle many day-to-day responsibilities, but management has a cost that should be included in the analysis.
Owning a home and operating a rental property are not exactly the same experience.
Yes.
This is one of the most important questions to address before shopping seriously for the next home.
Don't assume that because you plan to collect rent, your lender will simply disregard the existing home's payment.
Mortgage programs have their own rules for rental income, reserves and existing housing obligations.
Fannie Mae, for example, changed its requirements in September 2026 for certain borrowers converting a current primary residence into a rental while purchasing a new primary residence.
Fannie Mae calls this a departing residence.
Under its new requirements, a signed lease isn't permitted to establish the applicable rental income for a departing residence. Fannie Mae instead provides specific methods for documenting market rent.
The applicable calculation generally begins with 75% of documented gross market rent and compares it with the departing property's PITIA.
This does not mean you should sell your home.
It means the lender needs to evaluate the financing before you assume the rental solves the qualification question.
Potentially.
If you have substantial equity, selling the current home may free up money that could potentially be used toward your next purchase.
Depending on your circumstances, that could affect your down payment, amount financed, cash reserves and overall flexibility.
Your lender can show you the actual financing scenarios.
Then you can compare those numbers with the potential benefits and costs of retaining the current property.
A low existing mortgage rate absolutely deserves consideration.
But it shouldn't make the decision by itself.
I would still want to know:
A great mortgage can be an advantage. It doesn't automatically make the house a great rental investment.
Potentially.
If you convert your former residence into a rental and it is subsequently held for investment purposes, there may eventually be circumstances where a properly structured Section 1031 exchange deserves discussion when you sell the investment property.
A 1031 exchange can allow qualifying real property held for investment or business purposes to be exchanged for other qualifying real property while potentially deferring recognition of certain taxable gain.
However, your current primary residence does not automatically qualify for a 1031 exchange merely because you decide to move and rent it.
If a future 1031 exchange may be part of your investment strategy, involve a qualified tax professional and Qualified Intermediary before selling the investment property.
I also maintain a more detailed resource covering how 1031 exchanges work, replacement properties and important exchange deadlines.
Keeping the current Katy home may deserve serious consideration when:
Selling may deserve stronger consideration when:
If you're considering keeping your current home, I recommend looking at three separate analyses.
1. Resale: What could the home realistically sell for and approximately how much equity could become available?
2. Rental: What does the rental market support, and what are the realistic costs of keeping the property?
3. Financing: How does your lender evaluate the existing home, potential rental income, reserves and financing for the next purchase?
Once you have those three pieces, the decision becomes much clearer.
If you're considering buying another home and aren't sure whether to sell or rent the one you already own, I can help you evaluate both real estate scenarios.
We can look at your current home's likely resale value, realistic market rent, local competition and how each option fits into the real estate portion of your move.
Your lender can then determine how keeping or selling the property affects your financing.
The goal isn't to convince every homeowner to sell or turn every homeowner into a landlord.
The goal is to understand the numbers before deciding.
Jonathan McNabb, REALTOR®
Broker/Owner, Nest Ahead
Katy, TX and Greater Houston
281-549-8099
Jonathan.NestAhead.com
Local Roots Global Reach
I am a REALTOR®, not a mortgage lender, CPA, attorney or financial adviser. This article is for general real estate education and is not mortgage, tax, legal, investment or financial advice. Rental markets, financing requirements and individual circumstances vary. Consult the appropriate qualified professionals regarding your specific situation.
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