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7-Unit Apartment Building
For Sale
$5,495,000

104-106 Warren Street, Boston, MA 02135

Updated apartment property with new building systems, finished interiors, and separate water metering for each residence.

Property Size8,534 SF
Price / SF$643.90
Days on Market169

Property Features for 104-106 Warren Street

General Information

Standard status Active
Size 8,534 SF
Total Parking Spaces 4
Property subtype Multi-family / 5-9 Family
Net Operating Income $285,307

Site & Location

Public Transit Yes
Utilities to Site Yes

Additional Details

Sprinkler System Yes
Multifamily Units 7

Taxes and HOA fees

Annual Taxes $41,738

Amenities

City/Town Sewer, Public, Individually Metered
No
Wood
12.0
Full, Finished
12
12.00
City View(s), City, Yes
Rubber
City View(s), Porch
Porch

Building Details

Year Built 1920
Buildings 1
Listing Agency: City Realty Group
Listed By: Sean Rose · License #9567526
Source: Compass
Added: Mar 19 Changed: Sep 2 Last Checked: Sep 1 at 10:44PM

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 City Realty Group

Investment Insights

Based on property information with market context.

This 7-unit apartment property was built in 1920 and has 8,534 square feet. Building improvements include new utilities, a full sprinkler system, energy-efficient windows, designer kitchens and bathrooms, new hardwood flooring, and gas HVAC. Separate water meters serve the units, with tenants responsible for utilities, including water and sewer.

The property is at 104-106 Warren Street in Boston’s Allston area, approximately 200 feet from Warren Street Station on the Green Line. Its surrounding context includes Boston College, Boston University, Saint Elizabeth’s Medical Center, New Balance Headquarters, and the Boston Landing mixed-use project.

Key Highlights

  • 7‑unit apartment building with 8,534 square feet
  • New utilities, gas HVAC, and energy‑efficient windows
  • Full sprinkler system and separate water meters

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
$200,481
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
3.65%
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%
$4,009,620 $4.0M
Cap Rate 7%
$2,864,014 $2.9M
Cap Rate 9%
$2,227,567 $2.2M
Market Conditions
NOI Build-Up for 8,534 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
$378.9K $44.40/SF
− Vacancy
−$14.4K −$1.69/SF
EGI
$364.5K $42.71/SF
− OpEx
−$164.0K −$19.22/SF
NOI
$200.5K $23.49/SF
Area
Boston, MA
Vacancy
3.80%
Lease Rate
$44.40 /SF/Yr
Expense Ratio
45.00%
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%
$4,009,620
Cap Rate 7%
$2,864,014
Cap Rate 9%
$2,227,567

Alternative Uses

Best Use
Apartment 5plus
$2.86M
$2.51M – $3.34M (±1% cap)
NOI $200,481 @ 7.0% cap · market cap 3.65%
Second Best
no second resolved use
Theoretical Best
Office A
$6.39M
$5.59M – $7.46M (±1% cap)
NOI $447,318 @ 7.0% cap · market cap 8.14%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

Current Use

Apartment buildings

Suggested Use

Top Pick Law Firm HVAC Service (Bike/Boat/Book/etc) Store Accounting Firm Big Box & Wholesale Store Carpet & Flooring 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
Residential units
Yes
Sprinkler system
Yes
Utilities to site

Location Intelligence

Trade Area within ½ mile

3,257
Businesses Nearby

Demographics for 02135, MA

47,232
Population
22,519
Households
2.1
Avg Household Size
29
Median Age
71%
College-Educated
93%
High-School Grad
2.6 sq mi
ZIP Area
18,166
Density / Sq Mi
$88,208
Median Household Income
$57,124
Median Earnings
$2,179
Median Rent
$684,000
Median Home Value

Market

Vacancy Rate% for Multifamily in Northeast region

4% 2022
4.6% 2023
5.3% 2024
5.6% 2025
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Frequently Asked Questions

What type of property is this?
Apartment building - Updated apartment property with new building systems, finished interiors, and separate water metering for each residence.
Where is this apartment building located?
The property is located at 104-106 Warren Street Boston, MA.
What is the asking price?
The asking price for this property is $5,495,000.
What are key features of this property?
This property features: 7‑unit apartment building with 8,534 square feet; New utilities, gas HVAC, and energy‑efficient windows; Full sprinkler system and separate water meters
More about this property
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