DEALPULSE RESEARCH ZIP 78521 MARKET REPORT
ZIP CODE 78521 // BROWNSVILLE-HARLINGEN, TX // DATA AS OF 2026-09-30

Brownsville, TX (78521) Rental Property Cap Rate & Cash Flow Report

Located in Cameron County (Brownsville, TX), Zip Code 78521 ranks #5 of 500 nationally (99th percentile) with a Zillow ZHVI typical acquisition price of $169,028 (+1.0% YoY) and a ZORI observed market rent of $1,609/mo (+10.3% YoY). Cash-flow positive at standard 20% down payment (break-even down payment: 0.0%).

Net Monthly Cash Flow +$268/mo Annual: +$3,214/yr
Net Cap Rate 7.97% NOI: $13,470/yr
Cash-on-Cash Return 8.27% Cash Needed: $38,877
1% Rule Ratio 0.95% Gross Yield: 11.42%
Break-Even Rent $1,301/mo State Tax: 1.47%/yr
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INTERACTIVE PRO-FORMA STATEMENT (ZIP 78521 BENCHMARK) Edit any value
Purchase Price (ZHVI Median)
Monthly Gross Rent (ZORI Median)
Down Payment (%)
Interest Rate (30Y Fixed %)
Annual Property Tax (TX Avg 1.47%)
Annual Home Insurance ($)
Monthly HOA Fee ($)
Monthly Debt Service (P&I) -$855/mo
Monthly Operating Expenses (Tax + Ins + 13% Reserves) -$487/mo
HISTORICAL ZHVI PRICE VS. ZORI RENT TRAJECTORY (78521)
Year Median Price Median Rent Gross Yield
2025 $167,308 $1,459/mo 10.47%
2026 $169,028 $1,609/mo 11.42%
COMPARABLE U.S. RENTAL MARKETS
Zip / City Price Rent Cap Rate Cash Flow
78574 La Homa, TX $190,121 $1,592/mo 6.77% +$111/mo
78520 Brownsville, TX $189,048 $1,521/mo 6.43% +$57/mo
75217 Dallas, TX $194,030 $1,521/mo 6.21% +$24/mo
75227 Dallas, TX $220,969 $1,702/mo 6.07% +$1/mo
77373 Spring, TX $238,312 $1,767/mo 5.77% -$59/mo
77083 Houston, TX $256,597 $1,893/mo 5.73% -$72/mo