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RE Intelligence

Rental numbers for ZIP 78261 (San Antonio, TX)

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

Gross yield
5.1%
rent x 12 / price
Est. cap rate
0.9%
NOI / price
Cash flow
-$2,007/mo
at 7.78%, 25% down
Typical price
$436,000
Zillow ZHVI, Aug 2026
Typical rent
$1,871/mo
Zillow ZORI, Aug 2026

The pro forma

Typical home, default assumptions

Income and expenses, per year
OperatorLineAmountSource
Gross rent$22,452
Vacancy$1,123
Management$1,706
Property tax$7,742
Insurance$3,437
Maintenance$4,357
Net operating income$4,087
Loan payments$28,174
Cash flow-$24,087
Purchase and loan
OperatorLineAmountSource
Typical price$435,700
Down payment (25%)$108,925
Loan$326,775
Rate7.78%
Monthly payment$2,348
Cash in$121,996
Cash-on-cash return-19.7%
DSCR0.15
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
-1.0%
Rent, 12 months
+1.2%
Rent minus price growth
+2.3 pts
positive means yields are improving
Typical value (Zillow ZHVI) Rent (Zillow ZORI)Indexed to 100 at Aug 2021
9510010511011512020222023202420252026
Show the numbers
MonthTypical valueRent
Aug 2021$385,364$1,793
Aug 2022$461,814$1,916
Aug 2023$457,863$1,892
Aug 2024$448,399$1,826
Aug 2025$440,245$1,848
Aug 2026$435,700$1,871

Rent references

Two sources, never blended

SourceStudio1 bed2 bed3 bed4 bed
HUD Small Area FMR, FY2026$1,390$1,520$1,840$2,360$2,750
Zillow observed rent, Aug 2026$1,871 typical, all home types

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
1.78%
ZIP area, ACS
At the typical price
$7,742/yr

Median real estate taxes paid divided by median home value, Census ACS 2020 to 2024. Bexar County: 1.73%. Actual bills depend on the assessment, exemptions and any non-homestead rate.

Supply

Permits per 1,000 households
7.0
Bexar County, last 12 months
National percentile
59th
among US counties

5,239 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
78259San Antonio4.6 mi$402,000$1,5414.6%-$2,105
78266San Antonio4.7 mi$574,000$2,140*4.5%-$2,587
78260San Antonio5.5 mi$518,000$1,5393.6%-$2,902
78163Bulverde5.6 mi$467,000$2,2795.9%-$1,706
78258San Antonio6.5 mi$504,000$1,4963.6%-$2,930
78247San Antonio7.5 mi$276,000$1,5396.7%-$1,072
78232San Antonio8.2 mi$382,000$1,2704.0%-$2,120
78233San Antonio9.6 mi$230,000$1,2866.7%-$928

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

Every ZIP in Bexar CountySan Antonio, TX metroTexas

Run the numbers on a real listing

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Open the calculator for 78261

Questions

Is 78261 good for rental property?
On the typical home here, priced at $436,000 and renting for $1,871 a month (Zillow ZORI, Aug 2026), the gross yield is 5.1% and the estimated cap rate is 0.9%. At a 7.78% investor rate with 25% down, estimated cash flow is -$2,007 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 78261?
Zillow's observed rent index for 78261 was $1,871 a month in August 2026, across all home types. HUD's FY2026 Small Area Fair Market Rent for a 2-bedroom here is $1,840, the 40th percentile of gross rents and the basis for Section 8 payment standards.
What is the property tax rate in 78261?
The effective property tax rate is about 1.78% of value (median taxes paid divided by median home value, Census ACS 2020 to 2024). On the typical $436,000 home that is about $7,742 a year. Your bill depends on the assessment and local exemptions.
What interest rate makes a rental in 78261 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 78261?
Over the 12 months to August 2026, the typical home value changed -1.0% and the typical rent changed +1.2%. Rents rising faster than prices pushes yields up.

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.