Mortgage rates and loan limits in Cameron County, TX
In Cameron County, a one-unit home loan up to $832,750 is a conforming loan in 2026; anything above that is a jumbo loan. Median home values across the county's ZIP codes run from $83,200 to $193,700. The rate grid below shows illustrative pricing for this county by credit score and down payment.
See all-in costs for Cameron County2026 conforming loan limit
$832,750
National baseline (FHFA)
Median home value, middle ZIP
$129,200
Census ACS 2023
Texas effective property tax
1.47%
Statewide, 2022
Texas average closing costs
$3,713
Statewide, 2025
Illustrative rates in Cameron County, TX
As of October 2, 2026, an illustrative 30-year fixed rate in Cameron County, TX is 6.875% (7.031% APR) for a 740 credit score with 20% down on a $150,000 home.
Priced October 2, 2026 from Ralo's live pricing engine for Cameron County on a $150,000 home. Re-priced weekly on business days.
| Credit score | 20% down | 5% down |
|---|---|---|
| 780 | 6.875% 7.031% APR | 6.875% 7.292% APR |
| 740 | 6.875% 7.031% APR | 7% 7.511% APR |
| 700 | 6.875% 7.031% APR | 7.125% 7.706% APR |
| 660 | 6.875% 7.031% APR | 7.375% 8.15% APR |
Est. principal & interest
$788/mo
740 score, 20% down on $150,000 — taxes and insurance vary by property
15-year fixed
6.375%
6.62% APR
7/6 ARM
6.75%
6.984% APR
Rates are illustrative examples, not a loan approval, rate lock, or commitment. Actual rates depend on credit score, LTV, occupancy, lock period, and loan amount. Ralo is an automated mortgage broker — not a lender — and earns a thin commission.
2026 conforming loan limits in Cameron County
Cameron County uses the national baseline limits set by FHFA. A loan at or under the limit can be sold to Fannie Mae or Freddie Mac and is priced as a conventional conforming loan. A loan above it is a jumbo loan.
| Property | 2026 limit |
|---|---|
| One unit | $832,750 |
| Two units | $1,066,250 |
| Three units | $1,288,800 |
| Four units | $1,601,750 |
Source: Federal Housing Finance Agency (FHFA), conforming loan limit values for 2026.
Home values by ZIP code in Cameron County
Every ZIP code in the county with Census data. Values are medians for owner-occupied homes, not listing prices.
| ZIP code | Area | Median home value | Median household income |
|---|---|---|---|
| 78521 | Cameron County | $90,500 | $41,276 |
| 78520 | Brownsville | $129,200 | $47,331 |
| 78526 | Brownsville | $158,300 | $68,143 |
| 78550 | Cameron County | $120,500 | $51,524 |
| 78586 | Cameron County | $83,200 | $44,158 |
| 78552 | Cameron County | $154,500 | $67,183 |
| 78566 | Cameron County | $138,100 | $64,385 |
| 78559 | Cameron County | $99,900 | $48,117 |
| 78578 | Cameron County | $193,700 | $52,041 |
Source: US Census Bureau ACS 5-Year, 2023 five-year estimates.
Cameron County mortgage questions
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