Real Estate Investing in Castalian Springs, Tennessee (37031)

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

Sumner County • Population: 3,984 • Data updated: September 2026

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Should you buy in 37031 (Castalian Springs, TN)? Our answer, based on the numbers below.

🏠 For Homebuyers
MIXED
Grade C (59/100)

Mixed — home prices are stretched relative to local incomes. Run the math on your specific situation.

📈 For Investors
MIXED
3.0 / 5 (47/100)

A middle-of-the-road market. Workable, but the best opportunities may be nearby ZIPs rather than this one.

⚠️ Risks to Know
1 flag
  • High price-to-rent: Price-to-rent ratio 30.1 — hard to cash-flow at these prices.

• Modeled rent — no observed market rent for this ZIP; the figure is estimated from HUD fair-market rent.

What’s happening in Castalian Springs, TN (37031)?

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3.0/ 5

Investability

Overall investment appeal

3.0/ 5

Appreciation

Long-term value growth

3.0/ 5

Cashflow ROI

Rental yield potential

Avg Home Value $429,323
Avg Monthly Rent $1,188
1% Rule ✗ Does Not Meet
Median Income $80,417
% Renters 11.9%

Market Analysis: 37031 Castalian Springs

Stepping back, ZIP 37031 has challenges — vacancy pressure, softer price growth, and tenant stability concerns sit alongside the $429K median. It rewards specialists, not generalists.

The investment case in 37031 is robust only for operators who understand what they are buying. A $429K median suggests accessibility, but management intensity, vacancy drift, and capex surprises are real.

On the rental side, 37031 offers a low basis, the region around Castalian Springs has moved on in ways that the ZIP itself has not fully absorbed. The result is a discount with genuine reasons.

The 37031 ZIP's population of 3,984 has faced economic pressure over the last decade. That pressure shows up in rent delinquency patterns that stands at the need for careful underwriting.

Experienced landlords with local relationships tend to find 37031 workable. Turnkey investors from out of state usually find the numbers do not hold up in practice.

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 Castalian Springs:

C+ Average
Buy Confidence Score: 64/100
Affordability
10/25
Appreciation
22/25
Stability
7/20
Timing
10/15
Rental backup
15/15
Affordability
Expensive
Homes cost 5.3× the median income
Value Trend
Rising (+5.6%)
How home values changed in the past year
Rental Backup
Strong
Could rent for $1,188/mo if you need to move
Market Conditions
COOL
More inventory, negotiating room for buyers
Bottom Line: Mixed signals in this market. Research specific properties carefully and be prepared to negotiate.
❄️
COOL MARKET
Nashville-Davidson--Murfreesboro--Franklin, TN Metro Area
More inventory, negotiating room for buyers
62 days
Average time to sell
Slow
11.4%
Listings with price cuts
Few Cuts
0.0%
Sale price vs asking
Below Ask
0.0%
Income needed for mortgage
Affordable
📅 Market conditions as of August 29, 2026 — updated weekly from Nashville-Davidson--Murfreesboro--Franklin, TN metro data

Market Trends

Home Value History (with trend line)

$453K$385K$318K$251K$183K$116KJul 2006Jul 2016Jul 2026

📊 How Does 37031 Compare?

Metric 37031 Castalian Springs Nashville-Davidson--Murfreesboro--Franklin, TN Tennessee
Home Value $429,323 $429,323 N/A $327,001
5-Year CAGR 6.6% 6.6% N/A 7.7%
Avg Rent $1,188 $1,188 N/A -
Cap Rate 2.2% 2.2% - -
💡 Why Invest in 37031? Click to expand

With a 3/5 investability rating, this ZIP shows solid fundamentals for buy-and-hold investors.

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Landlord Ground Truth

Real numbers from people who own or manage rentals in ZIP 37031 (Castalian Springs, TN). Anonymous, moderated, never written by AI.

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Investability
Good
Cap Rate
2.2%
Low
5yr Growth
+6.6%
Strong

📊 Market Snapshot

Home Value $429,323
Monthly Rent $1,188
Price-to-Rent 30.1:1
1% Rule ✗ Fails

💰 Return Metrics

Gross Yield 3.3%
Cap Rate 2.2%
5-Year IRR 8.7%

📈 Home Appreciation

1-Year +5.6% ▲
3-Year CAGR +4.6% ▲
5-Year CAGR +6.6% ▲
10-Year CAGR +9.2% ▲

🏠 Rent Trends

1-Year N/A
3-Year CAGR N/A
5-Year CAGR N/A
Negative Leverage — IRR / Tax Play Cap Rate: 2.2%  |  30yr Rate: 6.8%
Leverage reduces cash returns at current rates.

The current 30-yr mortgage rate (6.8%) exceeds the estimated cap rate (2.2%). 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
7.8%
Low risk
Landlord Climate
5.0/5
Friendly
Value Trend (5yr)
+6.6%
Growing
Eviction process: Moderate Rent control: Favorable

Demographics in 37031

Population: 3,984

💰 Median Household Income
$80,417
This area
$80,417
State
$60,881
USA
$74,580
🏠 Renter Occupied
11.9%
This area
11.9%
State
25.6%
USA
34.0%
💼 Unemployment Rate
0.7%
This area
0.7%
State
-22.2%
USA
3.7%
🎓 College Educated
19.1%
This area
19.1%
State
-6.3%
USA
33.7%
👤 Median Age
48.0 years
This area
48.0 years
State
9.9 years
USA
38.9 years
🏚️ Vacancy Rate
7.8%
This area
7.8%
State
15.4%
USA
10.5%
👥 Population by Ethnicity
White 91.1%
Other/Mixed 5.5%
Black/African American 3.4%
Hispanic/Latino 3.3%
👶 Under 18
13.6%
This area
13.6%
USA
22.0%
👴 65 and Over
17.9%
This area
17.9%
USA
17.3%
📊 Poverty Rate
3.6%
This area
3.6%
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

🎓 Nearby Colleges & Universities

5 Nearby 1,421 Off-Campus Students
C+
Tennessee College of Applied Technology-Hartsville
701 students · 8.9 mi
C
Volunteer State Community College
6,605 students · 10.8 mi
D
Genesis Career College-Lebanon
98 students · 10.9 mi
C
Cumberland University
3,072 students · 11.6 mi
C+
Welch College
389 students · 13.7 mi

Investor Insight: With 1,421 students living off-campus nearby, this area has strong rental demand from the college population.

Frequently Asked Questions

How strict are landlord regulations in Castalian Springs, TN?

Castalian Springs, TN operates under TN law, which is landlord-friendly overall for landlords. Expect stable treatment in typical lease and eviction cases.

How qualified is the tenant pool in Castalian Springs, TN?

The tenant pool in Castalian Springs, TN is solid, supported by local employment and population fundamentals. Rents of $1,188/mo are well-absorbed by the market.

Should investors consider Castalian Springs, TN?

With a 3.0/5 investability score, Castalian Springs, TN ranks as a solid market for rental property investors. Median prices of $429K and rents of $1,188/mo drive the underlying numbers.

Is Castalian Springs, TN a good market for FHA house hackers?

Castalian Springs, TN offers a challenging house-hacking opportunity. Small multifamily or rent-by-the-room plays can pair well with the $1,188/mo rent level.

How expensive is real estate in Castalian Springs, TN?

The median home value in Castalian Springs, TN is roughly $429K. That puts it reasonable relative to the TN statewide average.

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How 37031 ranks in Nashville-Davidson--Murfreesboro--Franklin, TN

Every ZIP in this metro, ranked. Free.

Cash Flow → Appreciation → Affordable →
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