4-Unit Quadplex with Detached
For Sale
$369,900
5018 Mardel Ave, Saint Louis, MO 63109
Four one-bedroom residences offer basement access and are being conveyed in their present condition.
Property Size3,404 SF
Price / SF$108.67
Days on Market20
Property Features for 5018 Mardel Ave
General Information
Standard status
Active
Size
3,404 SF
Property subtype
Residential Income
Property Condition
Severity
Repairs Needed
Evidence
needs some TLC
Units
Unit Mix
4 x 1BR
Multifamily Units
4
Taxes and HOA fees
Annual Taxes
$4,144
Amenities
basement access
detached garage
Listing Agency:
The Hermann London Group LLC
(314) 802-0797
Listed By:
Stephanie Hogenmiller · License #2010033084
(314) 566-5555
Source:
Exprealty
Added: Aug 26
Changed: Sep 11
Last Checked: Sep 14 at 1:10PM
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 The Hermann London Group LLC
Investment Insights
Based on property information with market context.
This four-unit multifamily property includes one-bedroom residences, basement access, and a detached garage. The building is being sold as-is and requires repairs or updating, with no seller-provided repairs or inspections.
Located at 5018 Mardel Ave in Saint Louis, Missouri, the property has utilities turned off, so showing conditions require caution. The seller will not provide occupancy documentation, and offers must use a special sales contract.
Located at 5018 Mardel Ave in Saint Louis, Missouri, the property has utilities turned off, so showing conditions require caution. The seller will not provide occupancy documentation, and offers must use a special sales contract.
Key Highlights
- Four one‑bedroom units in a quadplex configuration
- Basement access serving the residential units
- Detached garage included with the property
Financial Insights
Estimated NOI and Cap Rate
NOI = area × lease_rate × (100 − vacancy) / 100 × (1 − expense_ratio). Net Operating Income — what the owner takes home each year before mortgage payments and income tax. Effective rent (asking rent minus vacancy losses) minus operating costs (taxes, insurance, maintenance, management).
NOI / Yr
$31,678
Cap rate = NOI / list price × 100. Capitalization rate — annual return on a fully cash purchase, before financing. NOI divided by price. Higher means more income per dollar invested, but usually also more risk or older condition. 5–8% is typical for stabilized commercial property; double digits often signal distressed deals.
Cap Rate
8.56%
Suggested Prices Based on Cap Rates
Cap rates vary significantly by property type, market, and asset quality.
Typical U.S. stable-market ranges:
Multifamily — 4.5% to 6.5% (Class A in primary markets often sub-5%; Class C in secondary markets 6%+)
Industrial / Logistics — 5.0% to 7.0% (compressed heavily in recent years due to e-commerce demand)
Office — 6.5% to 9%+ (wide spread post-2020; CBD Class A vs. suburban Class B varies dramatically)
Retail — 5.5% to 8.5% (grocery-anchored on the low end, unanchored strip centers higher)
Hospitality / Hotels — 7.5% to 10%+ (higher due to operational risk)
Self-Storage — 5.5% to 7.5%
Medical Office — 6.0% to 7.5%
Net Lease (single tenant, credit) — 5.0% to 7.0% depending on tenant credit and lease term
Rules of thumb:
Primary markets (NYC, SF, LA, Boston, DC) trade at lower cap rates than secondary/tertiary markets, often by 100–200 bps (bps, aka basis points; 1 bp = 0.01%).
Class A assets trade ~50–150 bps tighter than Class B, and Class B tighter than Class C.
Cap rates move inversely with price — a lower cap rate means a higher price for the same NOI.
Spread to the 10-year Treasury is a common benchmark; historically 200–400 bps over the 10-year.
Cap Rate 5%
$633,560
$633.6K
Cap Rate 7%
$452,543
$452.5K
Cap Rate 9%
$351,978
$352.0K
Market Conditions
NOI Build-Up for 3,404 SF
Vacancy — income lost from leasable area expected to sit empty during the year, subtracted from gross rent.
EGI (Effective Gross Income) — gross rent minus vacancy losses, the realistic income before paying operating costs.
OpEx (Operating Expenses) — recurring costs to operate the property (property tax, insurance, utilities, maintenance, management); excludes financing and capital improvements.
NOI (Net Operating Income) — income a property generates after operating costs but before financing and taxes.
Gross rent
$61.3K $18.00/SF
− Vacancy
−$3.7K −$1.08/SF
EGI
$57.6K $16.92/SF
− OpEx
−$25.9K −$7.61/SF
NOI
$31.7K $9.31/SF
Area
St. Louis County, MO
Vacancy
6.00%
Lease Rate
$18.00 /SF/Yr
Expense Ratio
45.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap rates vary significantly by property type, market, and asset quality.
Typical U.S. stable-market ranges:
Multifamily — 4.5% to 6.5% (Class A in primary markets often sub-5%; Class C in secondary markets 6%+)
Industrial / Logistics — 5.0% to 7.0% (compressed heavily in recent years due to e-commerce demand)
Office — 6.5% to 9%+ (wide spread post-2020; CBD Class A vs. suburban Class B varies dramatically)
Retail — 5.5% to 8.5% (grocery-anchored on the low end, unanchored strip centers higher)
Hospitality / Hotels — 7.5% to 10%+ (higher due to operational risk)
Self-Storage — 5.5% to 7.5%
Medical Office — 6.0% to 7.5%
Net Lease (single tenant, credit) — 5.0% to 7.0% depending on tenant credit and lease term
Rules of thumb:
Primary markets (NYC, SF, LA, Boston, DC) trade at lower cap rates than secondary/tertiary markets, often by 100–200 bps (bps, aka basis points; 1 bp = 0.01%).
Class A assets trade ~50–150 bps tighter than Class B, and Class B tighter than Class C.
Cap rates move inversely with price — a lower cap rate means a higher price for the same NOI.
Spread to the 10-year Treasury is a common benchmark; historically 200–400 bps over the 10-year.
Cap Rate 5%
$633,560
Cap Rate 7%
$452,543
Cap Rate 9%
$351,978
Alternative Uses
Best Use
Multifamily LT 5
$520.0K
$455.0K – $606.7K
NOI $36,401 @ 7.0% cap · market cap 9.84%
Second Best
Apartment 5plus
$452.5K
$396.0K – $528.0K
NOI $31,678 @ 7.0% cap · market cap 8.56%
Theoretical Best
Office A
$730.6K
$639.2K – $852.3K
NOI $51,139 @ 7.0% cap · market cap 13.83%
Zoning and permitted uses should be independently verified with authorities.
Property Analytics
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Current Use
Lease Details
4
Residential units
Location Intelligence
Trade Area within ½ mile
717
Businesses Nearby
Explore this area
Business Placement
Demographics for 63109, MO
26,777
Population
14,963
Households
1.8
Avg Household Size
39
Median Age
52%
College-Educated
96%
High-School Grad
3.5 sq mi
ZIP Area
7,651
Density / Sq Mi
$71,563
Median Household Income
$52,245
Median Earnings
$929
Median Rent
$244,900
Median Home Value
Check the figures for this property
Cap Rate, Value Estimation, Potential NOI and more
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Market
Vacancy Rate% for Multifamily in Midwest region
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Frequently Asked Questions
What type of property is this?
Quadplex - Four one-bedroom residences offer basement access and are being conveyed in their present condition.
Where is this quadplex located?
The property is located at 5018 Mardel Ave Saint Louis, MO.
What is the asking price?
The asking price for this property is $369,900.
What are key features of this property?
This property features: Four one‑bedroom units in a quadplex configuration; Basement access serving the residential units; Detached garage included with the property
