Renovated Duplex with Private
For Sale
$825,000
Pending
133 Rock Spring, Stamford, CT 06906
Two separate residences offer a three-bedroom layout alongside a compact one-bedroom unit.
Property Size1,920 SF
Days on Market53
Property Features for 133 Rock Spring
General Information
Standard status
Pending
Size
1,920 SF
Property subtype
2 Family
Lease Term
Listing ID: 24201717, Standard Status: Pending, MLS Status: Under Contract, Property Subtype: 2 Family, Off market as of 2026-09-15, 22 days on market
Site & Location
Highway Access
Yes
Public Transit
Yes
Units
Unit Mix
1 x 3BR/1.5BA, 1 x 1BR/1BA
Multifamily Units
2
Building Details
Building Size
1,920 SF
Year Built
1920
Listing Agency:
Keller Williams Prestige Prop.
(203) 327-6700
Listed By:
Herman Huang · License #REB.0790040
(203) 322-5750
Source:
Iverty
Added: Aug 24
Changed: Oct 15
Last Checked: Oct 15 at 1:19AM
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 Prestige Prop.
Investment Insights
Based on property information with market context.
This duplex, built in 1920, contains two renovated residences completed in 2023. The first unit has three bedrooms and one-and-a-half baths, while the second provides one bedroom and one bath. The configuration supports separate occupancy within a single residential property.
Outdoor space includes a private backyard suitable for grilling, gardening, and everyday use. The property is near I-95, Merritt 15, rail service, and downtown Stamford, placing transportation and central-city destinations within the surrounding area. Walk Score is 80, Bike Score is 61, and Transit Score is 52.
Outdoor space includes a private backyard suitable for grilling, gardening, and everyday use. The property is near I-95, Merritt 15, rail service, and downtown Stamford, placing transportation and central-city destinations within the surrounding area. Walk Score is 80, Bike Score is 61, and Transit Score is 52.
Key Highlights
- Two‑family duplex with 3‑bedroom and 1‑bedroom units
- Both units renovated in 2023
- Unit 1 includes 3 bedrooms and 1.5 baths
Financial Insights
Estimated NOI and Cap Rate
NOI / Yr
$32,750
Cap Rate
3.97%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$655,000
$655.0K
Cap Rate 7%
$467,857
$467.9K
Cap Rate 9%
$363,889
$363.9K
Market Conditions
NOI Build-Up for 1,702 SF
Gross rent
$50.0K $29.40/SF
− Vacancy
−$3.3K −$1.91/SF
EGI
$46.8K $27.49/SF
− OpEx
−$14.0K −$8.25/SF
NOI
$32.8K $19.24/SF
Area
Stamford, CT
Vacancy
6.50%
Lease Rate
$29.40 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$655,000
Cap Rate 7%
$467,857
Cap Rate 9%
$363,889
Alternative Uses
Best Use
Multifamily LT 5
$467.9K
$409.4K – $545.8K
NOI $32,750 @ 7.0% cap · market cap 3.97%
Second Best
Apartment 5plus
$418.5K
$366.2K – $488.2K
NOI $29,292 @ 7.0% cap · market cap 3.55%
Theoretical Best
Office A
$615.4K
$538.5K – $718.0K
NOI $43,078 @ 7.0% cap · market cap 5.22%
Zoning and permitted uses should be independently verified with authorities.
How Realmo checks its estimates
Property Analytics
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Current Use
Lease Details
2
Residential units
Yes
Highway access
Location Intelligence
Trade Area within ½ mile
1,554
Businesses Nearby
Explore this area
Business Placement
Demographics for 06906, CT
9,902
Population
3,727
Households
2.7
Avg Household Size
38
Median Age
47%
College-Educated
80%
High-School Grad
1.3 sq mi
ZIP Area
7,617
Density / Sq Mi
$91,710
Median Household Income
$45,518
Median Earnings
$2,207
Median Rent
$576,200
Median Home Value
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Cap Rate, Value Estimation, Potential NOI and more
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Market
Vacancy Rate% for Multifamily in Northeast region
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Frequently Asked Questions
What type of property is this?
Duplex - Two separate residences offer a three-bedroom layout alongside a compact one-bedroom unit.
Where is this duplex located?
The property is located at 133 Rock Spring Stamford, CT.
What is the asking price?
The asking price for this property is $825,000.
What are key features of this property?
This property features: Two‑family duplex with 3‑bedroom and 1‑bedroom units; Both units renovated in 2023; Unit 1 includes 3 bedrooms and 1.5 baths
