Concrete Office
900 Moore Avenue, Portland, TX 78374
For Sale
$589,000
CommercialSale, Portland, TX
Property Size3,928 SF
Lot Size0.96 Acres
Price / SF$149.95
Days on Market214
Property Features for 900 Moore Avenue
General Information
Property type
Property subtype
Parking features
Accessibility
Subdivision
Lot features
Standard status
APN
Size
Lot size
Additional Details
Property Use
Condition
Taxes and HOA fees
Tax Description
Legal Description
Utilities
Sewer type
Heating system
Cooling system
Water source
Amenities
vault
his/her bathrooms
lobby
handicap ramp
handicap push button door
drive through window
flag pole
chain link fence
Building Details
Year built
Floors in Building
Building materials
Roof type
Buildings
Listing Agency:
Cass Real Estate
(361) 643-2662
Listed By:
Sandra Sanchez · License TX #0473327
(361) 765-2402
Added: Apr 13
Changed: Oct 27
Last Checked: Nov 12 at 7:06PM
MLS# 474622
Copyright © 2026 South Texas Multiple Listing Service, LLC. 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.
Formerly used as Portland City Hall, this 3,928-square-foot office building dates to 1960 and occupies a 0.96-acre site. The layout includes about nine offices, a vault, lobby, separate men’s and women’s bathrooms, and a drive-through window. Block and concrete construction, a flat roof, central air, and electric central heating are in place, with updating needed.
The property includes front, side, and rear off-street parking, an accessible approach with ramp, and a push-button door. Additional site improvements include an open storage building, chain-link fencing, a flagpole, and a rear yard that can accommodate additional parking or storage. Public water and public sewer serve the property.
The property includes front, side, and rear off-street parking, an accessible approach with ramp, and a push-button door. Additional site improvements include an open storage building, chain-link fencing, a flagpole, and a rear yard that can accommodate additional parking or storage. Public water and public sewer serve the property.
Key Highlights
- 3,928 SF office building on a 0.96‑acre site
- About nine offices plus a vault, lobby, and separate men’s and women’s bathrooms
- Block and concrete construction dating to 1960
Financial Insights
Estimated NOI and Cap Rate
NOI / Yr
$50,818
Cap Rate
8.63%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,016,360
$1.0M
Cap Rate 7%
$725,971
$726.0K
Cap Rate 9%
$564,644
$564.6K
Market Conditions
NOI Build-Up for 3,928 SF
Gross rent
$93.3K $23.76/SF
− Vacancy
−$25.6K −$6.51/SF
EGI
$67.8K $17.25/SF
− OpEx
−$16.9K −$4.31/SF
NOI
$50.8K $12.94/SF
Area
San Patricio County, TX
Vacancy
27.40%
Lease Rate
$23.76 /SF/Yr
Expense Ratio
25.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,016,360
Cap Rate 7%
$725,971
Cap Rate 9%
$564,644
Alternative Uses
Best Use
Office B
$726.0K
$635.2K – $847.0K
NOI $50,818 @ 7.0% cap · market cap 8.63%
Second Best
—
—
no second resolved use
Theoretical Best
Office A
$1.11M
$968.7K – $1.29M
NOI $77,493 @ 7.0% cap · market cap 13.16%
Zoning and permitted uses should be independently verified with authorities.
How Realmo checks its estimates
Property Analytics
Who owns this building?
See the owner, sales and loan history
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Current Use
Lease Details
9
Office units
Yes
Highway access
Location Intelligence
Trade Area within ½ mile
496
Businesses Nearby
Explore this area
Business Placement
Demographics for 78374, TX
20,281
Population
8,426
Households
2.4
Avg Household Size
35
Median Age
25%
College-Educated
92%
High-School Grad
18.6 sq mi
ZIP Area
1,090
Density / Sq Mi
$81,580
Median Household Income
$43,110
Median Earnings
$1,492
Median Rent
$225,800
Median Home Value
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Cap Rate, Value Estimation, Potential NOI and more
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Market
Average Price Trend$/SF for Office buildings in San Patricio County, TX
Properties on Market for Office buildings in San Patricio County
Vacancy Rate% for Office in South region
Frequently Asked Questions
What type of property is this?
Office building - Former municipal office facility with multiple private offices, public utilities, accessible entry, and parking on three sides.
Where is this office building located?
The property is located at 900 Moore Avenue Portland, TX.
What is the asking price?
The asking price for this property is $589,000.
What are key features of this property?
This property features: 3,928 SF office building on a 0.96‑acre site; About nine offices plus a vault, lobby, and separate men’s and women’s bathrooms; Block and concrete construction dating to 1960
