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RE Intelligence

Rental numbers for ZIP 78140 (Nixon, TX)

Negative cash flow at any interest rate with 25% down: the rent does not cover operating costs and principal.

Rent here is HUD's Fair Market Rent for a 2-bedroom, because Zillow does not publish a rent index for this ZIP. It is the 40th percentile of gross rents, so market rent for a typical home is likely higher and the yield and cash flow below are conservative.
Gross yield
5.8%
rent x 12 / price
Est. cap rate
1.1%
NOI / price
Cash flow
-$919/mo
at 7.78%, 25% down
Typical price
$205,000
Zillow ZHVI, Aug 2026
HUD Fair Market Rent
$990/mo
HUD Fair Market Rent, 2 bedroom, FY2026

The pro forma

Typical home, default assumptions

Income and expenses, per year
OperatorLineAmountSource
Gross rent$11,880
Vacancy$594
Management$903
Property tax$2,683
Insurance$3,437
Maintenance$2,048
Net operating income$2,215
Loan payments$13,243
Cash flow-$11,028
Purchase and loan
OperatorLineAmountSource
Typical price$204,802
Down payment (25%)$51,201
Loan$153,602
Rate7.78%
Monthly payment$1,104
Cash in$57,345
Cash-on-cash return-19.2%
DSCR0.17
Break-even ratenone
Down payment25%
A common minimum for investment-property and DSCR loans.
Interest rate7.78%
Freddie Mac 30-year 7.03% (week of 2026-09-24) + 0.75 point investor premium.
Loan term30 years
Fixed, fully amortising.
Closing costs3% of price
Added to cash invested.
Insurance$3,437 a year
NAIC 2023 average homeowners (HO-3) premium for Texas, $2,864, x 1.2 for a landlord policy.
Maintenance1% of price a year
The 1% rule of thumb; older homes run higher.
Vacancy5% of rent
About 18 days empty a year.
Management8% of collected rent
A typical full-service fee; zero if you self-manage.

Trends

Five years to August 2026

Price, 12 months
-4.9%
Rent, 12 months
n/a
no Zillow rent series here
Rent minus price growth
n/a
positive means yields are improving
Typical value (Zillow ZHVI)Indexed to 100 at Aug 2021
70809010011012020222023202420252026
Show the numbers
MonthTypical value
Aug 2021$258,119
Aug 2022$286,145
Aug 2023$258,671
Aug 2024$241,755
Aug 2025$215,447
Aug 2026$204,802

Rent references

Two sources, never blended

SourceStudio1 bed2 bed3 bed4 bed
HUD Small Area FMR, FY2026$700$780$990$1,380$1,440
Zillow observed rent, Aug 2026not published for this ZIP

HUD's Fair Market Rent is the 40th percentile gross rent (rent plus utilities) for a standard unit, and it is what Section 8 vouchers pay against. Zillow's index tracks asking rents on listed homes. The two measure different things, so they are shown side by side and never averaged. HUD area: San Antonio-New Braunfels, TX HUD Metro FMR Area.

Property tax

Effective rate
1.31%
county, ACS
At the typical price
$2,683/yr

Median real estate taxes paid divided by median home value, Census ACS 2020 to 2024. Gonzales County: 1.31%. Actual bills depend on the assessment, exemptions and any non-homestead rate.

Supply

Permits per 1,000 households
2.1
Gonzales County, last 12 months
National percentile
27th
among US counties

17 new housing units permitted in 2025-09 to 2026-08, Census Building Permits Survey. A high figure means more new supply competing for tenants.

Nearby ZIP codes

ZIPDistanceTypical priceRentGross yieldCash flow /mo
78160Stockdale9.8 mi$352,000$1,210*4.1%-$1,698
78159Smiley12.1 mi$252,000$970*4.6%-$1,212
78161Sutherland Springs17.3 mi$302,000$1,280*5.1%-$1,327
78155Seguin19.0 mi$271,000$1,5116.7%-$919
78121La Vernia19.8 mi$502,000$1,330*3.2%-$2,755
78629Gonzales22.3 mi$251,000$990*4.7%-$1,231
78638Kingsbury24.4 mi$384,000$1,360*4.2%-$1,778
78147Floresville25.0 mi$247,000$1,290*6.3%-$944

* HUD Fair Market Rent, 2 bedroom (no Zillow rent index for that ZIP).

Every ZIP in Gonzales CountySan Antonio, TX metroTexas

Run the numbers on a real listing

The calculator opens with this ZIP's figures. Swap in a listing's price and rent, your rate and your costs.

Open the calculator for 78140

Questions

Is 78140 good for rental property?
On the typical home here, priced at $205,000 and renting for $990 a month (HUD Fair Market Rent, 2 bedroom, FY2026), the gross yield is 5.8% and the estimated cap rate is 1.1%. At a 7.78% investor rate with 25% down, estimated cash flow is -$919 a month. The median gross yield across the 8,418 ZIP codes with full Zillow data is 5.6%. These are figures for a typical property, not a judgement on any particular one.
What is the typical rent in 78140?
Zillow does not publish a rent index for 78140. HUD's FY2026 Small Area Fair Market Rent for a 2-bedroom here is $990, the 40th percentile of gross rents and the basis for Section 8 payment standards.
What is the property tax rate in 78140?
The effective property tax rate is about 1.31% of value (median taxes paid divided by median home value, Census ACS 2020 to 2024, county figure because the ZIP-level one is not published). On the typical $205,000 home that is about $2,683 a year. Your bill depends on the assessment and local exemptions.
What interest rate makes a rental in 78140 break even?
With the default assumptions, no interest rate brings cash flow to zero: rent does not cover operating costs plus principal on a 30-year loan with 25% down.
How fast are prices and rents changing in 78140?
Over the 12 months to August 2026, the typical home value changed -4.9%.

Sources and method

Data: Zillow Research (ZHVI, ZORI), HUD, US Census Bureau, Freddie Mac. Every formula is on the methodology page.

Estimates from public data for a typical property. Not investment, tax or legal advice. Your property, financing and costs will differ.