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128 Carleton Ave 2,955 SF 100% Leased Office Building East Islip, NY 11730 $800,000 ($270.73/SF) 5.70% Cap Rate



Investment Highlights
- Main road across the street from Landmark Restaurant (Irish Coffee Pub)
- Signage Allowed.
- Renovated 2020
Executive Summary
Multi-tenant use building. This professional office building with 7 individual offices and detached storage garage, 2 bathrooms, Kitchenette and Conference Room. Building has been completely renovated in 2020 to include heating, cooling, siding, some windows, common areas, kitchenette, bathrooms and conference room. 100% Occupied. Key Features: -GST Zone -7 private offices + spacious conference room -Modern kitchenette and 2 renovated bathrooms -Detached garage for storage or expanded use -Complete 2020 renovation: HVAC, exterior, interiors -Multi-tenant configuration with strong rental potential -High-traffic spot opposite a landmark restaurant.
Data Room Click Here to Access
Financial Summary (Actual - 2025) |
Annual | Annual Per SF |
|---|---|---|
| Gross Rental Income |
$78,948
|
$26.72
|
| Other Income |
-
|
-
|
| Vacancy Loss |
-
|
-
|
| Effective Gross Income |
$78,948
|
$26.72
|
| Taxes |
$18,271
|
$6.18
|
| Operating Expenses |
$17,244
|
$5.84
|
| Total Expenses |
$35,515
|
$12.02
|
| Net Operating Income |
$43,433
|
$14.70
|
Financial Summary (Actual - 2025)
| Gross Rental Income | |
|---|---|
| Annual | $78,948 |
| Annual Per SF | $26.72 |
| Other Income | |
|---|---|
| Annual | - |
| Annual Per SF | - |
| Vacancy Loss | |
|---|---|
| Annual | - |
| Annual Per SF | - |
| Effective Gross Income | |
|---|---|
| Annual | $78,948 |
| Annual Per SF | $26.72 |
| Taxes | |
|---|---|
| Annual | $18,271 |
| Annual Per SF | $6.18 |
| Operating Expenses | |
|---|---|
| Annual | $17,244 |
| Annual Per SF | $5.84 |
| Total Expenses | |
|---|---|
| Annual | $35,515 |
| Annual Per SF | $12.02 |
| Net Operating Income | |
|---|---|
| Annual | $43,433 |
| Annual Per SF | $14.70 |
Property Facts
Sale Type
Investment
Sale Condition
1031 Exchange
Property Type
Office
Building Size
2,955 SF
Building Class
C
Year Built
1955
Price
$800,000
Price Per SF
$270.73
Cap Rate
5.70%
NOI
$45,600
Percent Leased
100%
Tenancy
Multiple
Building Height
2 Stories
Typical Floor Size
950 SF
Slab To Slab
10’
Building FAR
0.15
Lot Size
0.44 AC
Zoning
GST - GST
Parking
17 Spaces (5.75 Spaces per 1,000 SF Leased)
Amenities
- Signage
1 1
Walk Score®
Very Walkable (80)
Property Taxes
| Parcel Number | 0500-346-00-01-00-079-003 | Total Assessment | $48,900 (2024) |
| Land Assessment | $8,100 (2024) | Annual Taxes | $18,271 ($6.18/SF) |
| Improvements Assessment | $40,800 (2024) | Tax Year | 2025 |
Property Taxes
Parcel Number
0500-346-00-01-00-079-003
Land Assessment
$8,100 (2024)
Improvements Assessment
$40,800 (2024)
Total Assessment
$48,900 (2024)
Annual Taxes
$18,271 ($6.18/SF)
Tax Year
2025
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128 Carleton Ave
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