Two-Story Residential Income
For Sale
$799,000
88 B St, Boston, MA 02127
Private roof deck, deeded garage parking, and a flexible upper-level area define this distinctive urban residence.
Property Size1,049 SF
Price / SF$761.68
Days on Market56
Property Features for 88 B St
General Information
Standard status
Active
Size
1,049 SF
Total Parking Spaces
1
Property subtype
Apartment
Additional Details
Multifamily Units
1
Amenities
roof deck
wet bar
Range
Oven
Disposal
Refrigerator
Freezer
Washer
Dryer
Central Air
Forced Air
2.0 Stories
$9,042 Taxes
Public
Built in 2006
Building Details
Year Built
2006
Listing Agency:
Keller Williams Boston MetroWest
(508) 877-6500
Listed By:
Nancy Antonio
Source:
Donahuere
Added: Jun 18
Changed: Aug 8
Last Checked: Aug 12 at 3:12AM
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 Keller Williams Boston MetroWest
Investment Insights
Based on property information with market context.
This 1,049-square-foot, two-level residential property features an open interior arrangement with dedicated living and dining areas. The kitchen includes marble countertops and premium appliances. The main level also contains a bedroom with substantial closet space and large windows, along with a bathroom equipped with a double vanity, tiled shower, and separate tub. Upstairs, a flexible area with a wet bar extends to a private 15-by-15-foot roof deck with panoramic views of the Boston cityscape.
Deeded garage parking is included. The property is located at 88 B St in Boston, Massachusetts, and was built in 2006.
Deeded garage parking is included. The property is located at 88 B St in Boston, Massachusetts, and was built in 2006.
Key Highlights
- 1,049‑square‑foot two‑story penthouse layout
- Private 15'x15' roof deck with panoramic Boston cityscape views
- Deeded garage parking included
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
$24,643
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
3.08%
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%
$492,860
$492.9K
Cap Rate 7%
$352,043
$352.0K
Cap Rate 9%
$273,811
$273.8K
Market Conditions
NOI Build-Up for 1,049 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
$46.6K $44.40/SF
− Vacancy
−$1.8K −$1.69/SF
EGI
$44.8K $42.71/SF
− OpEx
−$20.2K −$19.22/SF
NOI
$24.6K $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%
$492,860
Cap Rate 7%
$352,043
Cap Rate 9%
$273,811
Alternative Uses
Best Use
Apartment 5plus
$352.0K
$308.0K – $410.7K
NOI $24,643 @ 7.0% cap · market cap 3.08%
Second Best
—
—
no second resolved use
Theoretical Best
Office A
$785.5K
$687.3K – $916.4K
NOI $54,984 @ 7.0% cap · market cap 6.88%
Zoning and permitted uses should be independently verified with authorities.
Property Analytics
Current Use
Lease Details
1
Residential units
Location Intelligence
Trade Area within ½ mile
3,510
Businesses Nearby
Explore this area
Business Placement
Demographics for 02127, MA
37,939
Population
19,495
Households
1.9
Avg Household Size
31
Median Age
69%
College-Educated
95%
High-School Grad
2.1 sq mi
ZIP Area
18,066
Density / Sq Mi
$156,373
Median Household Income
$85,444
Median Earnings
$2,435
Median Rent
$858,600
Median Home Value
Questions? Ask Rey
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Frequently Asked Questions
What type of property is this?
Residential income property - Private roof deck, deeded garage parking, and a flexible upper-level area define this distinctive urban residence.
Where is this residential income property located?
The property is located at 88 B St Boston, MA.
What is the asking price?
The asking price for this property is $799,000.
What are key features of this property?
This property features: 1,049‑square‑foot two‑story penthouse layout; Private 15'x15' roof deck with panoramic Boston cityscape views; Deeded garage parking included
