Johnston, SC — Rental Investment Analysis

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Data: HUD FMR FY2024 + Zillow ZHVI April 2026 + Freddie Mac rates. Last updated June 2026.

Investment Summary

As of 2026, Johnston, SC offers a 6.6% cap rate with median home prices of $153,907 and 3-bedroom rents of $1,300/month.

Johnston offers solid returns for rental investors. At $153,907 median home price, Johnston is affordable by national standards and within reach for most conventional loans. With 3-bedroom rents around $1,300/month, the 6.6% cap rate tells the story. Cash flow is modest at +$29/month — positive but tight. Rate increases or vacancies could flip it negative.

The 1% rule comes in at 0.84% — doesn't quite pass, but close enough to find individual deals that work. DSCR of 1.04 is tight — you'll pass most lender minimums but with little margin for error.

Bottom line: Johnston offers a balance of moderate cash flow and growth potential. Good for investors who want some income while building equity over time.

Data sources: HUD Fair Market Rents (FY2024), Zillow Home Value Index (April 2026), Freddie Mac Primary Mortgage Market Survey.

Cap Rate

6.6%

Above average

Monthly Cash Flow

+$29

After all expenses

Price-to-Rent

9.9

Investor-friendly

DSCR

1.04

Tight

Key Metrics

Median Home Price
$153,907
Average Rent (3BR)
$1,300/mo
Price-to-Rent Ratio
9.9(good)
1% Rule
0.84%(fails — need 1%+)
Cash-on-Cash Return
1.0%
Vacancy Rate
8.0%

Market Strength

Unemployment Rate
4.8%(+0.5% vs national)
Rent Growth (YoY)
+2.9%(national avg)
Population Growth
+1.7000000000000002% YoY

Assumptions Used

20% down, 6.52% rate, 30yr, 8% vacancy, 10% maintenance

Customize these numbers →

Property Tax Rate

0.55%

of assessed value (SC avg)

Median Income

$56,227

household (SC avg)

Rent-to-Income

27.7%

Affordable

Section 8 Max Rent

$1,300/mo

3BR voucher payment

SC Investor Climate

Landlord Friendly

8/10

State Income Tax

Has state tax

Property Tax

0.55% effective

Population Trend

+1.7000000000000002% (3yr)

Best Zip Codes in Johnston for Investors

29832
Cap Rate: 6.6%Cash Flow: +$29/mo$153,907
29832
Cap Rate: 6.6%Cash Flow: +$29/mo$153,907

All Zip Codes in Johnston

ZipCap RateCash FlowHome PriceRent (3BR)DSCR
298326.6%+$29$153,907$1,300/mo1.04
298326.6%+$29$153,907$1,300/mo1.04