Portal Rock
102 Valley Rd, Cos Cob, CT 06807
Apartment building
2 beds
Available units
This building may have units for rent or for sale. Select a unit to contact.
$615,000
2 bd, 1.5 ba
1,000 sqft
Sold 04/21/2025 - Unit 23
Compass Connecticut, LLC
Neighborhood: Cos Cob
Areas of interest
Use our interactive map to explore the neighborhood and see how it matches your interests.
Travel times
Getting around
Walk Score®
/ 100
Somewhat WalkableBike Score®
/ 100
Somewhat BikeableNearby schools in Cos Cob
Cos Cob School
Grades PK-5 • 0.6 miles6/10
GreatSchools® Rating
Test Score Rating
7/10Student Progress Rating
5/10Central Middle School
Grades 6-8 • 0.9 miles8/10
GreatSchools® Rating
Test Score Rating
9/10Student Progress Rating
7/10Greenwich High School
Grades 9-12 • 1.3 miles10/10
GreatSchools® Rating
College Readiness Rating
10/10Frequently asked questions
What is the walk score of Portal Rock?
Portal Rock has a walk score of 70, it's somewhat walkable.
What schools are assigned to Portal Rock?
The schools assigned to Portal Rock include Cos Cob School, Central Middle School, and Greenwich High School.
What neighborhood is Portal Rock in?
Portal Rock is in the Cos Cob neighborhood in Cos Cob, CT.
