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Medical Professional Office Building
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710 21st Avenue North, Myrtle Beach, SC 29577

Medical and professional office building with 11 units ranging from 560 to 1,686 SF and 36 on-site parking spaces.

Property Size9,959 SF
Price / SF$180.64
Days on Market276

Property Features for 710 21st Avenue North

General Information

Standard status Active
Size 9,959 SF
Total Parking Spaces 36
Property subtype OFFICE
Zoning MP

Additional Details

Office Units 11

Building Details

Tenancy Multi
Listing Agency: Keystone Commercial Realty
Listed By: Ryan Earnest · License ##56070
Source: Moodyscre
Added: Nov 18, 2025 Changed: Aug 17 Last Checked: Aug 21 at 5:38AM

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 Keystone Commercial Realty

Investment Insights

Based on property information with market context.

This medical and professional office building offers 9,959 SF total and is divided into 11 units, ranging from 560 SF to 1,686 SF. The property is configured for office use and includes 36 parking spaces to support tenant and client access.

The asset is zoned Medical Professional (MP) with the City of Myrtle Beach. Rent roll information is available upon signing a non-disclosure agreement.

For sale as a multi-unit office investment, the listing includes TMS numbers 1810339008 to 1810339018 and Horry County PINs 42409020011 to 42409020022.

Key Highlights

  • 9,959 SF medical/professional office building with 11 units ranging from 560 SF to 1,686 SF
  • Zoned Medical Professional (MP) for the City of Myrtle Beach
  • 36 on‑site parking spaces

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
$148,913
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
8.28%
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%
$2,978,260 $3.0M
Cap Rate 7%
$2,127,329 $2.1M
Cap Rate 9%
$1,654,589 $1.7M
Market Conditions
NOI Build-Up for 9,959 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
$254.6K $25.56/SF
− Vacancy
−$6.4K −$0.64/SF
EGI
$248.2K $24.92/SF
− OpEx
−$99.3K −$9.97/SF
NOI
$148.9K $14.95/SF
Area
Horry County, SC
Vacancy
2.50%
Lease Rate
$25.56 /SF/Yr
Expense Ratio
40.00%
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%
$2,978,260
Cap Rate 7%
$2,127,329
Cap Rate 9%
$1,654,589

Alternative Uses

Best Use
Healthcare Medical
$2.13M
$1.86M – $2.48M (±1% cap)
NOI $148,913 @ 7.0% cap · market cap 8.28%
Second Best
Office B
$1.74M
$1.52M – $2.03M (±1% cap)
NOI $121,898 @ 7.0% cap · market cap 6.78%
Theoretical Best
Office A
$2.52M
$2.21M – $2.94M (±1% cap)
NOI $176,681 @ 7.0% cap · market cap 9.82%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

Current Use

Lenders Choice Mortgage Loan Service Gab Robins Insurance Agency Caudle & Company Real Estate Agency Myrtle Beach Wedding ... Wedding Service Glemer International Association / Organization

Suggested Use

Top Pick Plumbing Service Furniture & Home Goods Garden Center (Bike/Boat/Book/etc) Store Locksmith Electrical Service

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

11
Office units
Multi-tenant
Tenancy

Location Intelligence

Trade Area within ½ mile

1,278
Businesses Nearby
Well-served
Demand for This Use

Demographics for 29577, SC

34,109
Population
22,630
Households
1.5
Avg Household Size
48
Median Age
30%
College-Educated
91%
High-School Grad
22.8 sq mi
ZIP Area
1,496
Density / Sq Mi
$48,561
Median Household Income
$33,591
Median Earnings
$1,130
Median Rent
$273,700
Median Home Value

Market

Vacancy Rate% for Office in South region

14.4% 2019
16.4% 2020
17.3% 2021
18% 2022
18.6% 2023
20.3% 2024
20.2% 2025
Rey
Questions? Ask Rey
Realmo’s AI knows this listing — price, zoning, demand, history. Ask anything.

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Frequently Asked Questions

What type of property is this?
Medical Office Space - Medical and professional office building with 11 units ranging from 560 to 1,686 SF and 36 on-site parking spaces.
Where is this medical office space located?
The property is located at 710 21st Avenue North Myrtle Beach, SC.
What is the asking price?
The asking price for this property is $1,799,000.
What are key features of this property?
This property features: 9,959 SF medical/professional office building with 11 units ranging from 560 SF to 1,686 SF; Zoned Medical Professional (MP) for the City of Myrtle Beach; 36 on‑site parking spaces
(843) 693-1305 Call to check price and availability
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