Off Market Dec 2020 for $239K

$481,951

Est. refi paymentEst. refi $1,753/mo

•

3,036

sq ft

21 Coniston Ave, Waterbury, CT 06708

About this home

INVESTORS or OWNER/OCCUPANTS take notice in this RARE turn-key investment! Situated in Waterbury’s Bunker Hill neighborhood, this duplex features HUGE 3 bedroom side-by-side units. Hard Wood Flooring. Each apartment has over 1,500 sq/ft of living space, newer appliances, open concept living/dining rooms with fireplaces. Unit A: features a finished walk up attic which can easily be converted to a 4th bedroom for extra income potential, while Unit B features a sunroom. Both units have separated basements for tenant storage areas. The 2 car detached garage was updated in 2016 with a new roof installed along with new garage doors. Natural gas mechanicals and a level yard make for low maintenance. The property has plenty of parking spaces for both units off street. Walking distance to Bunker Hill Park; highway access within a quarter mile; hospital/medical centers and shopping within a mile. This home is one of the only multi family properties in this highly sought after neighborhood of stately homes, and will not last long!

Multi-familyProperty Type

1926Year Built

8,276 sq ftLot Size

$159Est. Price/Sq.Ft.

2 car garageParking

Listed by Rudi Bardhollari • Mark Tavares Realty, LLC

Bought with Lisa Antrum • Keller Williams Realty

Source:Smart MLS #170344109

Redfin Estimate

$481,951

$242K since sold in December 2020$29K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 44.5% higher than the average sale price ($333K) of 5 comparable homes.

SOLD JUL 1, 2026
$319,900
A
4 beds2 baths1,804 sq ft
27 Theroux Ave, Waterbury, CT 06708
SOLD AUG 31, 2026
$380,000
B
4 beds2.5 baths2,612 sq ft
571 Willow St, Waterbury, CT 06710
SOLD JUL 30, 2026
$310,000
C
5 beds2.5 baths1,782 sq ft
41 Chester Ave, Waterbury, CT 06704
SOLD JUN 1, 2026
$342,500
D
4 beds1.5 baths1,565 sq ft
27 Glendale Dr, Waterbury, CT 06708
SOLD MAY 29, 2026
$315,000
E
3 beds2 baths1,636 sq ft
109 Westwood Ave, Waterbury, CT 06708

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell

$282,202

Est. take-home

List your home with Redfin and save $4,820

Refinance

Est. cash available

Get cash now or lower your monthly rate

Market trends in 06708, CT

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

100.7%

0.0% MoM

Median sale price

$330K

$5K MoM

Avg. days on market

44d

2 days MoM

Recently sold homes

10 MoM

New listings for sale

COMING SOON
$359,900
3 beds1.5 baths1,499 sq ft
124 Russell St, Waterbury, CT 06708
$299,000
3 beds2 baths1,196 sq ft
307 Highland Dr, Waterbury, CT 06708
$299,900
2 beds1 bath1,020 sq ft
6 Smith Ave, Waterbury, CT 06708
$349,900
3 beds1.5 baths1,444 sq ft
30 Edwin Ave, Waterbury, CT 06708
$349,000
4 beds2 baths1,978 sq ft
81 Esther Ave, Waterbury, CT 06708
$349,999
3 beds2 baths1,674 sq ft
101 Birchwood St, Waterbury, CT 06708
$290,000
3 beds1.5 baths1,150 sq ft
44 Quinsigamond Ave, Waterbury, CT 06708
$119,000
3 beds1.5 baths1,350 sq ft
119 Angel Dr Unit C, Waterbury, CT 06708
$391,000
2 beds1.5 baths1,915 sq ft
67 Crest St, Waterbury, CT 06708
$320,000
3 beds1.5 baths1,076 sq ft
49 Media Ave, Waterbury, CT 06708
See all

Provided by Redfin

Sale history for 21 Coniston Ave

Date

Event

Price

Smart MLS #170344109

Dec 30, 2020

Sold

$239,900

$79/sq ft

Oct 5, 2020

Listed

$239,900

$79/sq ft

Public Records

May 16, 2016

Sold

$145,000

$48/sq ft

Smart MLS #L10065181

May 17, 2016

Listing Removed

—

May 16, 2016

Sold

$145,000

$48/sq ft

Jul 30, 2015

Listed

$179,900

$59/sq ft

Smart MLS #W1045571

Jul 12, 2008

Listing Removed

—

Apr 14, 2008

Listed

$254,900

$84/sq ft

Public Records

Nov 13, 1987

Sold

$150,000

$49/sq ft

Year

Property tax

Land + Additions

Assessment*

2023

$10,466 (+71.2%)

$25,130 + $168,000

$193,130

2022

$6,114

$25,130 + $76,410

$101,540

2021

$6,114

$25,130 + $76,410

$101,540

2020

$6,114

$25,130 + $76,410

$101,540

2019

$6,114

$25,130 + $76,410

$101,540

2018

$6,114 (+0.2%)

$25,130 + $76,410

$101,540

2017

$6,099 (+5.6%)

$25,130 + $76,170

$101,300

2016

$5,774 (+5.7%)

$25,130 + $70,770

$95,900

2013

$5,464

$25,130 + $70,770

$95,900

2011

$5,464

$25,130 + $70,770

$95,900

Tax history for 21 Coniston Ave

Year

Property tax

Land + Additions

Assessment*

2023

$10,466 (+71.2%)

$25,130 + $168,000

$193,130

2022

$6,114

$25,130 + $76,410

$101,540

2021

$6,114

$25,130 + $76,410

$101,540

2020

$6,114

$25,130 + $76,410

$101,540

2019

$6,114

$25,130 + $76,410

$101,540

2018

$6,114 (+0.2%)

$25,130 + $76,410

$101,540

2017

$6,099 (+5.6%)

$25,130 + $76,170

$101,300

2016

$5,774 (+5.7%)

$25,130 + $70,770

$95,900

2013

$5,464

$25,130 + $70,770

$95,900

2011

$5,464

$25,130 + $70,770

$95,900

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Public record
Zoning

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

8,276 Sq. Ft.

Year renovated

1968

Sq. Ft.

3,036

Year built

1926

Style

Multi-Family (2-4 Unit)

County

New Haven County

APN

1372331

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 13, 2023.

Single-Family Residential District

The RS District is established to provide for single-family residences and limited nonresidential uses on lots having a minimum area of 7,500 sq ft. Uses and Conditional Accessory Uses are permitted by Zoning Permit, Special Permit, or Special Exception approval as provided in Article 11 of these Regulations.

Permitted uses

Include but are not limited to:

No uses permitted by right

Property details

Parking

Garage Information
Garage & Parking: Detached Garage
Garages Number: 2

Interior

Virtual Tour Information
Has Virtual Tour

Interior Information
Laundry Room Info: All Units Have Hook-Ups
Fireplaces Total: 2
Cooling System: Window Unit

Bathroom Information
# of Baths (Full): 2

Bedroom Information
Beds Total: 6

Room Information
Basement Description: Full
Has Attic
Attic Description: Walk-up

Multi-Unit Information
Unit Count: 2
Total Number of Units: 2

Exterior

Exterior Features
Roof Information: Asphalt Shingle
Exterior Siding: Vinyl Siding
Exterior Features: Deck

Lot Information
Lot Description: Level Lot

Building Information
Foundation Type: Concrete, Masonry
Construction Description: Frame

Property Information
Property Type: Multi-Family For Sale
Property Sub Type: 2 Family
Living Area SQFT Per Public Record: 3036
Driveway Type: Private, Paved, Asphalt

Financial

Assessments Information
Assessed Value: $101,540

Utilities

Utility Information
Water Source: Public Water Connected
Sewage System: Public Sewer Connected
Hot Water Description: 40 Gallon Tank
Heat Type: Baseboard
Heat Fuel Type: Natural Gas

Location

School Information
High School: Per Board of Ed
Elementary School: Per Board of Ed

Location Information
State: Connecticut
Directions: Bunker Hill Rd to Coniston
County: New Haven

Public facts

Beds: 6
Baths: 2.0
Sq. Ft.: 3,036
Stories: 2.0
Lot Size: 8,276 square feet
Style: Multi-Family (2-4 Unit)
Year Built: 1926
Year Renovated: 1968
County: New Haven County
APN: 1372331

Home facts updated by county records on Jul 13, 2023

Other

Documents & Disclosures
Supplement Count Public: 3

Around this home

Schools

Bunker Hill School

Public PreK-5 • Assigned • 0.4mi

3/10

West Side Middle School

Public 6-8 • Assigned • 1.9mi

4/10

John F. Kennedy High School

Public 9-12 • Assigned • 1.9mi

1/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

5/10 Heat Factor

7 days above 96° expected this year, 16 days in 30 years

6/10 Wind Factor

27% chance of strong winds in next 30 years

2/10 Air Factor

1 unhealthy days expected this year, 1 days in 30 years

Provided by First Street

Historical weather

Waterbury, CT • 06708

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 8.8 hours in June and 4.3 hours in December, placing it below the U.S. average for solar exposure.

8.8 hrs

4.3 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$458,000 – $555,000

Reach more buyers when you sell with Redfin. Save up to $4,820 in fees. 3 minutes to get started.

Get a free, detailed breakdown of how we calculated your estimate.

Nearby similar homes

OPEN WED, 4PM TO 5:30PM

$475,000

4 beds3 baths2,225 sq ft

66 Goff St, Waterbury, CT 06704

$464,000

6 beds3 baths3,044 sq ft

95 Sunnyside Ave, Waterbury, CT 06708

$369,900

4 beds2 baths2,006 sq ft

87 Woodruff Ave, Watertown, CT 06795

$439,000

7 beds3 baths3,100 sq ft

43 Woodruf St, Waterbury, CT 06708

$530,000

7 beds3 baths3,454 sq ft

10 Edwards St, Waterbury, CT 06708

$344,500

6 beds3 baths2,945 sq ft

376 Farmington Ave, Waterbury, CT 06710

New listings for sale in 06708

COMING SOON

$359,900

3 beds1.5 baths1,499 sq ft

124 Russell St, Waterbury, CT 06708

$299,000

3 beds2 baths1,196 sq ft

307 Highland Dr, Waterbury, CT 06708

$299,900

2 beds1 bath1,020 sq ft

6 Smith Ave, Waterbury, CT 06708

$349,900

3 beds1.5 baths1,444 sq ft

30 Edwin Ave, Waterbury, CT 06708

$349,000

4 beds2 baths1,978 sq ft

81 Esther Ave, Waterbury, CT 06708

$349,999

3 beds2 baths1,674 sq ft

101 Birchwood St, Waterbury, CT 06708

$290,000

3 beds1.5 baths1,150 sq ft

44 Quinsigamond Ave, Waterbury, CT 06708

$119,000

3 beds1.5 baths1,350 sq ft

119 Angel Dr Unit C, Waterbury, CT 06708

$391,000

2 beds1.5 baths1,915 sq ft

67 Crest St, Waterbury, CT 06708

Home values near 21 Coniston Ave

Data from public records.

Address	Redfin Estimate
31 Coniston Ave, Waterbury, CT 3 Beds \| 1 Baths \| 1680 Sq. Ft.	$353,959
22 Coniston Ave, Waterbury, CT 4 Beds \| 1.5 Baths \| 1798 Sq. Ft.	$256,554

Address	Redfin Estimate
43 Coniston Ave, Waterbury, CT 4 Beds \| 1.5 Baths \| 2214 Sq. Ft.	$328,797
48 Coniston Ave, Waterbury, CT 4 Beds \| 2 Baths \| 2036 Sq. Ft.	$378,377

Address	Redfin Estimate
47 Coniston Ave, Waterbury, CT 4 Beds \| 1.5 Baths \| 1784 Sq. Ft.	$300,526
42 Coniston Ave, Waterbury, CT 3 Beds \| 1.5 Baths \| 1866 Sq. Ft.	$309,302

Property information provided by Smart MLS when last listed in 2020. This data may not match . Learn more.

More real estate resources

Cities
Neighborhoods
Zip Codes
Minor Civil Divisions
Popular Searches

New Haven homes for sale
West Hartford homes for sale
Milford homes for sale

Download the Redfin App on the Apple App Store

Download the Redfin App from the Google Play Store

Join us

Become an Agent

Get referrals

Careers

Find homes faster

About us

Find us

Subsidiaries

Affiliated Business

Countries

United States

Canada

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.

06770 homes for sale
06795 homes for sale
06704 homes for sale
06705 homes for sale
06708 homes for sale

Guilford homes for sale
Wallingford homes for sale
Glastonbury homes for sale
Madison homes for sale
Branford homes for sale

Houses for rent in Waterbury	Agents near me	Westport, CT homes for sale	Waterbury Housing Market
Houses for sale near me	Greenwich, CT homes for sale	New Haven, CT homes for sale
Land for sale near me	Stamford, CT homes for sale	Milford, CT homes for sale
Open Houses near me	West Hartford, CT homes for sale	Waterbury Property Records
Condos for sale near me	Norwalk, CT homes for sale	CT New Listings