Real Estate Investing in Castlewood, South Dakota

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

1 ZIP codes • Population: 1,367 • Hamlin County

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Should you buy in Castlewood, SD? Our answer, based on the numbers below.

🏠 For Homebuyers
CAUTION
Grade D (46/100)

Proceed carefully. Weak appreciation or affordability makes this a harder case for most buyers.

📈 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
2 flags
  • Elevated vacancy: 8.0% vacancy may signal weakening demand.
  • Flat appreciation: Values have barely moved over 5 years (0.0% CAGR).

What’s happening in Castlewood, SD?

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2.0/ 5

Investability

Citywide average

0.0/ 5

Appreciation

Long-term value growth

5.0/ 5

Landlord Climate

Regulatory friendliness

🏦 30-yr Fixed Rate: 6.76% as of Sep 10 Source: Freddie Mac PMMS
Avg Investability
Avg Home Value $352,114
Avg Monthly Rent $1,053
ZIP Codes 1

Investing in Castlewood Real Estate

With a sizable population across 1 ZIPs, Castlewood shows the kind of soft fundamentals that keep most out-of-state capital on the sidelines.

Across Castlewood's 1 ZIPs, fundamentals run lackluster: thin appreciation, soft rents, and demographic trends that don't obviously reverse in the medium term.

The $1,053/mo / $352K relationship in Castlewood looks subdued once vacancy and capex are incorporated into underwriting. looks to the realized yield tends to disappoint.

A an established population with $N/AK household income profile is what makes Castlewood a challenging rental market — the tenant base is present, but the affordability math is tight.

A great house in the wrong ZIP is still a bad deal — screen every market by cash flow & cap rate.
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Best ZIP codes in Watertown, SD

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Landlord Ground Truth

Real numbers from people who own or manage rentals in Castlewood, SD. Anonymous, moderated, never written by AI.

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Avg Home Value
$352,114
Avg Monthly Rent
$1,053
1% Rule
✗ Below
Landlord Friendly (SD)

📉 Market Crash Risk Index

Based on Watertown, SD metro

1/10
Low Risk
Price YoY
0/3
N/A
Rent YoY
0/2
N/A
Below List
1/3
54%
Days Pending
0/2
0 days

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☀️ Warm Market — Watertown, SD metro
0
Days to pending
7.9%
Listings with price cuts
0.0%
Sale-to-list ratio
📅 Data as of August 29, 2026 — updated weekly

ZIP Codes in Castlewood, SD

Screen every ZIP in Castlewood

Filter Castlewood’s ZIPs by cap rate, vacancy, appreciation and 30+ more criteria, and export your shortlist to CSV — with the Investor plan ($19/mo).

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Frequently Asked Questions About Castlewood, SD

How does Castlewood, SD rate as a rental market?

Investors tracking Castlewood, SD will find a 2.0/5 rating supported by $352K median home values and $1,053/mo rents. That profile suits long-term holders targeting consistent returns.

What do landlords charge for rent in Castlewood, SD?

The typical rental in Castlewood, SD commands about $1,053/mo monthly. That rent profile predictable cash flow against the $352K purchase basis.

Is vacancy a concern in Castlewood, SD?

Castlewood, SD vacancy trends elevated. Investors running standard buy-and-hold plays see reasonable downtime between tenants.

What is the best play in Castlewood, SD?

The best-fit strategy in Castlewood, SD is careful cash-flow rentals with hands-on management. That approach the rent and price profile of the market.

How do landlord-tenant laws work in Castlewood, SD?

The landlord environment in Castlewood, SD is landlord-friendly. Statewide rules shape most day-to-day operations for rental owners.

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