Updated Two-Unit
For Sale
$425,000
4210 Castleman Ave, Saint Louis, MO 63110
Each residence has a private deck and its own washer and dryer.
Property Size2,628 SF
Price / SF$161.72
Days on Market11
Property Features for 4210 Castleman Ave
General Information
Standard status
Active
Size
2,628 SF
Property subtype
Residential Income
Units
Unit Mix
2BR/1BA, 3BR/1BA
Multifamily Units
2
Additional Details
Tenant in Place
Yes
Taxes and HOA fees
Annual Taxes
$3,587
Amenities
private decks
washer/dryer in unit
Listing Agency:
Trelora Realty, Inc
Listed By:
Christopher Stjernholm · License #6005490
(872) 228-2038
Source:
Exprealty
Added: Oct 27
Changed: Nov 4
Last Checked: Nov 4 at 2:20PM
Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Trelora Realty, Inc
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Investment Insights
Based on property information with market context.
At 4210 Castleman Ave, this 2,628-square-foot duplex contains two separate residences. The first-floor unit measures 1,050 square feet and has two bedrooms and one bathroom; it is tenant-occupied. The upper unit offers just over 1,200 square feet, three bedrooms and one bathroom, and is vacant. Both have eat-in kitchens, hardwood, tile and vinyl flooring, and private decks. Laundry appliances are provided in each unit, with additional washer and dryer hookups in the basement, which also offers storage space.
Capital work includes a 70-foot sewer lateral replacement in 2025, a 40-gallon water heater installed in 2025, a TPO membrane roof added in 2021, and a Trane 80,000 BTU furnace installed in 2022. The air conditioning system dates to 2021. Gutters and downspouts were replaced in 2024; concrete work at the sidewalk and basement entry, along with tuckpointing on the stone foundation, was completed in 2023.
The property is in the Shaw neighborhood, near Tower Grove Park and the Missouri Botanical Gardens, with neighborhood restaurants and coffee shops nearby.
Capital work includes a 70-foot sewer lateral replacement in 2025, a 40-gallon water heater installed in 2025, a TPO membrane roof added in 2021, and a Trane 80,000 BTU furnace installed in 2022. The air conditioning system dates to 2021. Gutters and downspouts were replaced in 2024; concrete work at the sidewalk and basement entry, along with tuckpointing on the stone foundation, was completed in 2023.
The property is in the Shaw neighborhood, near Tower Grove Park and the Missouri Botanical Gardens, with neighborhood restaurants and coffee shops nearby.
Key Highlights
- Two residences totaling 2,628 square feet; one has two bedrooms and the other has three
- First‑floor, 1,050‑square‑foot unit is tenant‑occupied; upper unit measures just over 1,200 square feet and is vacant
- Each unit has a private deck, eat‑in kitchen, and in‑unit washer and dryer
Financial Insights
Estimated NOI and Cap Rate
NOI / Yr
$28,103
Cap Rate
6.61%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$562,060
$562.1K
Cap Rate 7%
$401,471
$401.5K
Cap Rate 9%
$312,256
$312.3K
Market Conditions
NOI Build-Up for 2,628 SF
Gross rent
$42.6K $16.20/SF
− Vacancy
−$2.4K −$0.92/SF
EGI
$40.1K $15.28/SF
− OpEx
−$12.0K −$4.58/SF
NOI
$28.1K $10.69/SF
Area
St. Louis County, MO
Vacancy
5.70%
Lease Rate
$16.20 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$562,060
Cap Rate 7%
$401,471
Cap Rate 9%
$312,256
Alternative Uses
Best Use
Multifamily LT 5
$401.5K
$351.3K – $468.4K
NOI $28,103 @ 7.0% cap · market cap 6.61%
Second Best
Apartment 5plus
$349.4K
$305.7K – $407.6K
NOI $24,456 @ 7.0% cap · market cap 5.75%
Theoretical Best
Office A
$564.0K
$493.5K – $658.0K
NOI $39,481 @ 7.0% cap · market cap 9.29%
Zoning and permitted uses should be independently verified with authorities.
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Lease Details
2
Residential units
Location Intelligence
Trade Area within ½ mile
630
Businesses Nearby
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Business Placement
Demographics for 63110, MO
18,199
Population
10,260
Households
1.8
Avg Household Size
33
Median Age
64%
College-Educated
97%
High-School Grad
6.6 sq mi
ZIP Area
2,757
Density / Sq Mi
$73,809
Median Household Income
$55,340
Median Earnings
$1,183
Median Rent
$314,600
Median Home Value
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Market
Vacancy Rate% for Multifamily in Midwest region
Frequently Asked Questions
What type of property is this?
Duplex - Each residence has a private deck and its own washer and dryer.
Where is this duplex located?
The property is located at 4210 Castleman Ave Saint Louis, MO.
What is the asking price?
The asking price for this property is $425,000.
What are key features of this property?
This property features: Two residences totaling 2,628 square feet; one has two bedrooms and the other has three; First‑floor, 1,050‑square‑foot unit is tenant‑occupied; upper unit measures just over 1,200 square feet and is vacant; Each unit has a private deck, eat‑in kitchen, and in‑unit washer and dryer
