21 Rock Ave
Killingly, CT 06239
- 4 Beds
- 4 Baths
- 1,620 sqft (on 1 acre)
4 Beds
4 Baths
1,620 sqft
(on 1 acre)
Local Information
-- mins to
Home Highlights
Property Type
Single-Family Home
Year Built
1950
Lot Size
1 acre
Living Area
1,620 sqft
Price/Sqft
$236
Parking
Garage
About this House
This single-family home is located at 21 Rock Ave, Killingly, CT. 21 Rock Ave is in Killingly, CT and in ZIP code 06239. This property has 4 bedrooms, 4 bathrooms and approximately 1,620 sqft of floor space. This property has a lot size of 1 acre and was built in 1950.
21 Rock Ave, Killingly, CT 06239 is a 4 bedroom, 4 bathroom, 1,620 sqft single-family home built in 1950. It is currently off market. The Trulia Estimate is $382,100, with a rent estimate of $3,227/month.
Home Details for 21 Rock Ave
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Interior Details BasementAtticNumber of Rooms: 6 |
Heating & Cooling Heating: Other, GasHeating Fuel: Other |
Levels, Entrance, & Accessibility Stories: 1Elevator |
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Exterior Home Features Roof: AsphaltExterior: OtherPatio |
Parking & Garage GarageParking: Garage Attached |
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Year Built Year Built: 1950 |
Property Type / Style Property Type: Single Family HomeArchitecture: Cape Cod |
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Units in Building: 1 |
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Lot Area: 1 acre |
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Pool Sauna |
Market trends in Killingly
Last updated June 2026
Avg. sale price
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Sale-to-List Price
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Price per sq ft
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Available listings
45
14MoM
Property Tax and Assessment
| Year | 2025 |
|---|---|
| Tax | $5,004 |
| Assessment | $213,410 |
Home facts updated by county records
Comparable Sales for 21 Rock Ave
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.45 | Single-Family Home | $379,000 | 12/19/25 | 3 | 2 | 1,248 | |
0.67 | Single-Family Home | $550,000 | 04/10/26 | 4 | 2.5 | 2,536 | |
0.53 | Single-Family Home | $385,000 | 10/02/25 | 3 | 1.5 | 1,248 | |
0.68 | Single-Family Home | $410,000 | 07/31/26 | 4 | 2 | 1,947 | |
0.37 | Single-Family Home | $380,000 | 12/23/25 | 3 | 2 | 1,900 | |
0.67 | Single-Family Home | $200,000 | 05/28/26 | 4 | 2.5 | 1,920 | |
0.84 | Single-Family Home | $425,000 | 09/10/25 | 3 | 2.5 | 2,024 | |
0.36 | Single-Family Home | $359,000 | 09/23/25 | 3 | 1.5 | 1,248 | |
0.34 | Single-Family Home | $280,000 | 05/04/26 | 3 | 1 | 1,148 | |
1.00 | Single-Family Home | $500,000 | 08/29/25 | 3 | 2.5 | 2,005 |
Nearby homes
Get a sense of prices in the area by checking nearby homes.Assigned Schools
These are the assigned schools for 21 Rock Ave.
What Locals Say about Killingly
At least 82 Trulia users voted on each feature.
88 % Say car is needed
83 % Say parking is easy
83 % Say it's dog friendly
83 % Say yards are well-kept
74 % Say there's holiday spirit
72 % Say kids play outside
58 % Say neighbors are friendly
58 % Say people would walk alone at night
56 % Say there are sidewalks
54 % Say it's quiet
52 % Say there's wildlife
51 % Say it's walkable to restaurants
51 % Say streets are well-lit
46 % Say they plan to stay for at least 5 years
37 % Say it's walkable to grocery stores
27 % Say there are community events
Sourced by Trulia users. Learn more about our methodology.
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Frequently asked questions about 21 Rock Ave
- What is 21 Rock Ave estimated to be worth?Trulia's estimated value for 21 Rock Ave in Killingly, CT is $382,100.
- Is Killingly a buyer's or seller's market?Killingly is currently a seller's market, based on recent for-sale activity.
- What do residents say about Killingly?Residents describe Killingly, CT as easy to park in, dog-friendly, and well-kept. Most residents say you need a car. See recently sold homes in Killingly, CT.
- What are the closest schools to 21 Rock Ave?The closest schools to 21 Rock Ave in Killingly, CT are Killingly Central School (Pre-K/Elementary), Killingly High School (rated 4/10), Killingly Intermediate School (Elementary, rated 4/10).
- How big is the lot at 21 Rock Ave?The lot at 21 Rock Ave in Killingly, CT is about 1 acre.
- Does 21 Rock Ave have a garage?Yes, 21 Rock Ave in Killingly, CT has a garage.