Office Property with
620 S Armstrong Avenue, Denison, TX 75020
For Sale
$365,000
CommercialSale, Denison, TX
Property Size2,700 SF
Lot Size0.52 Acres
Price / SF$135.19
Days on Market8
Property Features for 620 S Armstrong Avenue
General Information
Property type
Property subtype
Zoning description
Parking features
Security features
Subdivision
Directions
Standard status
APN
Size
Lot size
Additional Details
Real Estate Included
Automotive Uses
Taxes and HOA fees
Tax Description
Tax Annual Amount
Legal Description
Utilities
Sewer type
Heating system
Cooling system
Water source
Building Details
Year built
Floors in Building
Flooring type
Building materials
Roof type
Listing Agency:
THE REAL ESTATE COMPANY
Listed By:
Kimberly Cain · License TX #0722807
(940) 668-8523
Added: Nov 5
Changed: Nov 10
Last Checked: Nov 12 at 8:06AM
MLS# 21429722
Copyright © 2026 North Texas Real Estate Information Systems, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
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Investment Insights
Based on property information with market context.
At 620 S. Armstrong Avenue, this office property combines approximately 2,700 square feet of office and garage space on a 0.516-acre parcel. The building dates to 1990 and has brick and metal siding, with concrete and tile flooring. Central heating and air conditioning serve the building.
A parking lot and garage provide on-site vehicle parking. Public water and public sewer serve the property.
A parking lot and garage provide on-site vehicle parking. Public water and public sewer serve the property.
Key Highlights
- Approximately 2,700 square feet of office and garage space
- 0.516‑acre parcel
- Built in 1990
Financial Insights
Estimated NOI and Cap Rate
NOI / Yr
$14,065
Cap Rate
3.85%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$281,300
$281.3K
Cap Rate 7%
$200,929
$200.9K
Cap Rate 9%
$156,278
$156.3K
Market Conditions
NOI Build-Up for 2,700 SF
Gross rent
$22.0K $8.16/SF
− Vacancy
−$1.9K −$0.72/SF
EGI
$20.1K $7.44/SF
− OpEx
−$6.0K −$2.23/SF
NOI
$14.1K $5.21/SF
Area
Grayson County, TX
Vacancy
8.80%
Lease Rate
$8.16 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$281,300
Cap Rate 7%
$200,929
Cap Rate 9%
$156,278
Alternative Uses
Best Use
Office B
$645.2K
$564.5K – $752.7K
NOI $45,163 @ 7.0% cap · market cap 12.37%
Second Best
Retail
$640.2K
$560.2K – $746.9K
NOI $44,816 @ 7.0% cap · market cap 12.28%
Theoretical Best
Office A
$949.8K
$831.1K – $1.11M
NOI $66,485 @ 7.0% cap · market cap 18.22%
Zoning and permitted uses should be independently verified with authorities.
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Current Use
Location Intelligence
Trade Area within ½ mile
925
Businesses Nearby
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Business Placement
Demographics for 75020, TX
23,782
Population
10,802
Households
2.2
Avg Household Size
42
Median Age
19%
College-Educated
90%
High-School Grad
61.0 sq mi
ZIP Area
390
Density / Sq Mi
$66,308
Median Household Income
$38,656
Median Earnings
$1,136
Median Rent
$187,200
Median Home Value
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Market
Average Price Trend$/SF for Office buildings in Denison, TX
Properties on Market for Office buildings in Denison
Vacancy Rate% for Office in South region
Frequently Asked Questions
What type of property is this?
Office building - Office and garage space sit on a commercial parcel with on-site parking.
Where is this office building located?
The property is located at 620 S Armstrong Avenue Denison, TX.
What is the asking price?
The asking price for this property is $365,000.
What are key features of this property?
This property features: Approximately 2,700 square feet of office and garage space; 0.516‑acre parcel; Built in 1990
