Real Estate Investing in Port Mansfield, Texas (78598)

Everything the listing leaves out — vacancy, rent trend, cap rate, landlord climate. All free.

Willacy • Population: 157 • Data updated: September 2026

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Should you buy in 78598 (Port Mansfield, TX)? Our answer, based on the numbers below.

🏠 For Homebuyers
WEAK FIT
Grade F (15/100)

Multiple negative signals. Better options likely exist nearby.

📈 For Investors
WEAK
2.0 / 5 (33/100)

Structural challenges here. The numbers may look cheap but operational risk is high. Only for experienced, hands-on investors.

⚠️ Risks to Know
4 flags
  • High vacancy: 82.7% of homes vacant — above national norms.
  • Declining values: -1.9% 5-year CAGR — values have moved lower.
  • High price-to-rent: Price-to-rent ratio 26.1 — hard to cash-flow at these prices.
  • Lower household income: $23,523 median — tenant affordability is tighter.

• Limited market data — this is a very small market; averages are built from few observations and can swing widely. • Modeled rent — no observed market rent for this ZIP; the figure is estimated from HUD fair-market rent.

What’s happening in Port Mansfield, TX (78598)?

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2.0/ 5

Investability

Overall investment appeal

1.0/ 5

Appreciation

Long-term value growth

3.0/ 5

Cashflow ROI

Rental yield potential

Avg Home Value $273,626
Avg Monthly Rent $873
1% Rule ✗ Does Not Meet
Median Income $23,523
% Renters 16.4%

Market Analysis: 78598 Port Mansfield

The 78598 ZIP in Port Mansfield, TX is a local-operator market. Outside capital chasing a $274K entry has to pair deep knowledge with the discount.

Distressed markets are won on execution, not on spreadsheets. ZIP 78598 stands at the profile where tenant screening, deferred maintenance, and local relationships determine the outcome.

Regionally, 78598 sits on the difficult end of the TX spectrum. The a credible choice for read — for disciplined operators — is that pricing reflects the difficulty.

The demographic picture in 78598 includes headwinds that any investor should price in. Income distribution skews lower than Port Mansfield averages, and tenant stability requires active management.

The right play in 78598 usually involves deep tenant screening, aggressive delinquency response, and a conservative capex buffer. Anything less, and the discount can turn into a trap.

Explore the Data — Click a Tab Below
🏦 Current 30-yr Fixed Mortgage Rate: 6.76% as of Sep 10 Source: Freddie Mac PMMS

Here's what matters if you're considering buying a home in Port Mansfield:

D Needs Caution
Buy Confidence Score: 35/100
Affordability
0/25
Appreciation
5/25
Stability
7/20
Timing
8/15
Rental backup
15/15
Affordability
Expensive
Homes cost 11.6× the median income
Value Trend
Rising (+10.3%)
How home values changed in the past year
Rental Backup
Strong
Could rent for $873/mo if you need to move
Market Conditions
BALANCED
Even conditions for buyers and sellers
Bottom Line: This market may be challenging for buyers. Consider your timing and budget carefully.

Market Trends

Home Value History (with trend line)

$345K$322K$299K$275K$252K$229KFeb 2019Nov 2022Jul 2026

📊 How Does 78598 Compare?

Metric 78598 Port Mansfield Texas
Home Value $273,626 $273,626 $297,000
5-Year CAGR N/A N/A 5.4%
Avg Rent $873 $873 -
Cap Rate 2.5% 2.5% -
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Landlord Ground Truth

Real numbers from people who own or manage rentals in ZIP 78598 (Port Mansfield, TX). Anonymous, moderated, never written by AI.

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Investability
Fair
Cap Rate
2.5%
Low
5yr Growth
-1.9%
Declining

📊 Market Snapshot

Home Value $273,626
Monthly Rent $873
Price-to-Rent 26.1:1
1% Rule ✗ Fails

💰 Return Metrics

Gross Yield 3.8%
Cap Rate 2.5%
5-Year IRR 0.6%

📈 Home Appreciation

1-Year +10.3% ▲
3-Year CAGR +0.1% ▲
5-Year CAGR -1.9% ▼
10-Year CAGR N/A

🏠 Rent Trends

1-Year N/A
3-Year CAGR N/A
5-Year CAGR N/A
Negative Leverage — IRR / Tax Play Cap Rate: 2.5%  |  30yr Rate: 6.8%
Leverage reduces cash returns at current rates.

The current 30-yr mortgage rate (6.8%) exceeds the estimated cap rate (2.5%). Financing reduces your cash-on-cash return below the cap rate. Markets like this may still make sense as IRR plays — factoring in appreciation, depreciation, and a future refinance when rates drop.

Run an IRR Analysis →

⚠️ Risk Signals

Composite view of factors that can impact a ZIP's stability and your downside risk.

Vacancy
82.7%
Elevated risk
Landlord Climate
5.0/5
Friendly
Value Trend (5yr)
-1.9%
Flat
Eviction process: Fast Rent control: Favorable

Demographics in 78598

Population: 157

💰 Median Household Income
$23,523
This area
$23,523
State
$70,593
USA
$74,580
🏠 Renter Occupied
16.4%
This area
16.4%
State
29.5%
USA
34.0%
💼 Unemployment Rate
0.0%
This area
0.0%
State
-25.4%
USA
3.7%
🎓 College Educated
44.5%
This area
44.5%
State
-5.8%
USA
33.7%
👤 Median Age
67.2 years
This area
67.2 years
State
-3.7 years
USA
38.9 years
🏚️ Vacancy Rate
82.7%
This area
82.7%
State
18.3%
USA
10.5%
👥 Population by Ethnicity
White 100.0%
👶 Under 18
8.3%
This area
8.3%
USA
22.0%
👴 65 and Over
57.4%
This area
57.4%
USA
17.3%
📊 Poverty Rate
0.0%
This area
0.0%
USA
11.5%

Crime & Safety

🚧

Crime & Safety Data Coming Soon

We're integrating comprehensive crime statistics including violent crime rates, property crime, and safety scores to help you make informed investment decisions.

Expected: Q1 2025

Frequently Asked Questions

What is it like being a landlord in Port Mansfield, TX?

TX law landlord-friendly for landlords, and Port Mansfield inherits those rules. Investors should still review local ordinances for rental licensing.

What approach is best for Port Mansfield, TX real estate?

Investors who focus on careful cash-flow rentals with hands-on management typically do well in Port Mansfield, TX. The numbers - $274K homes against $873/mo rents - support that play.

What is the tenant pool like in Port Mansfield, TX?

Expect a solid tenant pool in Port Mansfield, TX. The rental market absorbs $873/mo rents without meaningful friction.

Is Port Mansfield, TX a good market for buy-and-hold investors?

Investors tracking Port Mansfield, TX will find a 2.0/5 rating supported by $274K median home values and $873/mo rents. That profile suits long-term holders targeting reliable returns.

Is housing expensive in Port Mansfield, TX?

Port Mansfield, TX home values average about $274K. That price point suits investors targeting rentals with $873/mo in monthly income.

You know 78598 now. You don’t know where it ranks.

This page stays free — all of it. What one page can’t tell you is how 78598 compares to every other market. Investor ($19/mo) screens every U.S. ZIP by cap rate, the 1% rule, vacancy and landlord climate, and exports your shortlist.

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