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Office Complex with Parking
For Sale
$5,250,000

526 E Main Street #518, Riverhead, NY 11901

Fully leased professional office property comprising multiple buildings with convenient on-site parking.

Property Size16,460 SF
Days on Market27

Property Features for 526 E Main Street #518

General Information

Standard status Active
Size 16,460 SF
Total Parking Spaces 95
Property subtype Commercial
Zoning DC-4
Occupancy 100%

Additional Details

Office Units 7

Taxes and HOA fees

Annual Taxes $62,173

Building Details

Building Size 16,460 SF
Year Built 1978
Buildings 3
Stories 1
Units 7
Tenancy Multi
Listing Agency: Richmond Realty Corp
Listed By: Isaac D. Israel
Source: Cohenandcohenrealty
Added: Jul 29 Changed: Aug 23 Last Checked: Aug 23 at 6:25AM

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 Richmond Realty Corp

Investment Insights

Based on property information with market context.

This office complex includes 3 buildings, 7 units, and 95 parking spaces. Built in 1978, the property is fully leased and configured for professional office occupancy, with established long-term tenants in place.

The complex sits in Downtown Riverhead directly across from the Long Island Aquarium and Hyatt Place. Restaurants, breweries, theaters, marinas, hotels, and shopping centers are accessible from the property, supporting a walkable setting for office users and visitors.

Key Highlights

  • 3‑building office complex with 7 units
  • 95 on‑site parking spaces
  • Fully leased to long‑term tenants

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
$283,036
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
5.39%
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%
$5,660,720 $5.7M
Cap Rate 7%
$4,043,371 $4.0M
Cap Rate 9%
$3,144,844 $3.1M
Market Conditions
NOI Build-Up for 16,460 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
$460.2K $27.96/SF
− Vacancy
−$82.8K −$5.03/SF
EGI
$377.4K $22.93/SF
− OpEx
−$94.3K −$5.73/SF
NOI
$283.0K $17.20/SF
Area
Suffolk County, NY
Vacancy
18.00%
Lease Rate
$27.96 /SF/Yr
Expense Ratio
25.00%
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%
$5,660,720
Cap Rate 7%
$4,043,371
Cap Rate 9%
$3,144,844

Alternative Uses

Best Use
Office B
$4.04M
$3.54M – $4.72M (±1% cap)
NOI $283,036 @ 7.0% cap · market cap 5.39%
Second Best
no second resolved use
Theoretical Best
Office A
$5.01M
$4.39M – $5.85M (±1% cap)
NOI $351,014 @ 7.0% cap · market cap 6.69%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

Current Use

US Social Security ... Social Security Office

Suggested Use

Top Pick (Bike/Boat/Book/etc) Store Bakery Storage Facility Carpet & Flooring Store Catering Service Clothing & Fashion Store

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

7
Office units
100%
Occupancy
Multi-tenant
Tenancy

Location Intelligence

Trade Area within ½ mile

1,333
Businesses Nearby

Demographics for 11901, NY

30,936
Population
13,126
Households
2.4
Avg Household Size
42
Median Age
21%
College-Educated
79%
High-School Grad
56.7 sq mi
ZIP Area
546
Density / Sq Mi
$83,252
Median Household Income
$39,949
Median Earnings
$2,195
Median Rent
$437,500
Median Home Value

Market

Vacancy Rate% for Office in Northeast region

13.1% 2019
15.4% 2020
17.6% 2021
19.1% 2022
20.2% 2023
20.9% 2024
19.9% 2025
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Frequently Asked Questions

What type of property is this?
Office building - Fully leased professional office property comprising multiple buildings with convenient on-site parking.
Where is this office building located?
The property is located at 526 E Main Street #518 Riverhead, NY.
What is the asking price?
The asking price for this property is $5,250,000.
What are key features of this property?
This property features: 3‑building office complex with 7 units; 95 on‑site parking spaces; Fully leased to long‑term tenants
More about this property
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