21 First Avenue
Haddam, Connecticut 06441
- Beds
- 4
- Baths
- 2 | 1
- SqFt
- 2,352
- Acres
- 2.00
- Year Built
- 1986
- Neighborhood
- Hidden Lake
- Property Type
- Single Family
Matt Caiola
Luxury Real Estate Advisor
Request a private showing and get Matt's read on price, condition, and next steps.
About This Home
So much POTENTIAL here .. Over 2 acres steps to Hidden Lake Association! 2400+ square ft home offering 4 bedrooms and 2-1/2 baths along with an oversized detached 2 car garage with finished space above perfect for in-home office, studio or in-law apartment! The open kitchen and dining areas are spacious with lots of windows to let the light indoors; large living room with fireplace; a separate family room just off the kitchen. On the second floor you'll find 4 bedrooms - the primary en-suite bedroom offers cathedral ceiling, a spiral stairway to a loft area! Accessible here are two separate SPACIOUS attic areas. In addition to the above, you will find a separate oversized two-car garage with an in-law suite and large deck on the second level perfect for family stay-overs, in-home office, etc. A lot of house, property and extra living quarters on a huge 2 acre lot -- TLC and elbow grease needed -- bring your plans, paint, tools to make this property your dream home -- STEPS TO HIDDEN LAKE! Perfect property for gardens, etc.
Key Facts
- City/Town
- Haddam
- Neighborhood
- Hidden Lake
- Property / Style
- Single Family · Colonial
- Year Built
- 1986
- Days on Market
- 0 days
- Beds
- 4
- Baths
- 2 full · 1 half
- Living Area
- 2,352 sq ft
- Lot Size
- 2.00 acres
- Garage / Parking
- 2 garage
- Property Taxes
- $9,733 / Annually
- HOA Fee
- $300 / Annually
Market Snapshot
The Haddam Market
Single Family · trailing 12 months
Active Listings
14
13 under contract
Median List Price
$617,500
14 active listings
Median Closed Price
$510,000
73 sales
Median Days on Market
51
14 active listings
Median $ / Sq Ft
$292
14 active listings
Sale-to-List Ratio
102.7%
73 sales
How this home compares
List Price
$599,900
vs $617,500 median
In line with median
Price / Sq Ft
$255
vs $292 median
12.7% below median
Days on Market
0 days
vs 51 days median
51 days fresher than median
Based on 14 active and 73 closed sales (trailing 12 mo) of single family in Haddam. Source: SmartMLS · As of October 17, 2026.
Location
21 First Avenue, Haddam, Connecticut
Estimate Your Payment
Estimated Monthly Payment
Rates: Freddie Mac PMMS via FRED · Updated Oct 15, 2026per month
- Principal & Interest$3,323
- Property Taxes$811
- Insurance$200
- HOA$25
Estimates only. Actual rates, taxes, insurance, and HOA fees vary. Consult a lender for current rates.
Location
- City/Town
- Haddam
- Neighborhood
- Hidden Lake
- County
- Middlesex
Residence
- Property Type
- Single Family
- Style
- Colonial
- Year Built
- 1986
- New Construction
- No/Resale
- Living Area
- 2,352 sq ft
Schools
- Elementary
- Per Board of Ed
- High
- Haddam-Killingworth
Interior
- Heating
- Hot Air
- Heat Fuel
- Propane
- Cooling
- Central Air
- Fireplaces
- 1
- Laundry
- Upper Level
- Laundry Location
- 2nd floor
- Appliances
- Electric RangeRefrigeratorDishwasher
- Basement
- None
- In-Law Apartment
- YesDetachedUpper Level
Exterior & Lot
- Lot Size
- 2.00 acres
- Zoning
- R-2
- Garage / Parking
- 2 garage spacesDetached Garage
- Waterfront Details
- Walk to WaterAssociation RequiredWater Community
- Water Source
- Private Well
- Sewer
- Septic
- Construction
- Clapboard
- Roof
- Asphalt Shingle
- Foundation
- Slab
- Lot Description
- Lightly WoodedLevel Lot
HOA / Association
- Fee
- $300 / Annually
Listing & Financials
- Property Taxes
- $9,733 / Annually
- Days on Market
- 0
- MLS #
- 24214035
- MLS Status
- Active
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This information is believed to be accurate, but without warranty.
The IDX display contains information sourced from SmartMLS, Inc. as of 10/17/2026. This information is provided for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing or leasing. Data is deemed reliable but is not guaranteed accurate by the MLS, the listing broker, the listing agent, or Matt Caiola. Buyers and tenants should independently verify all information that matters to their decision.
Map locations may be approximate. Any offer of compensation, if applicable, is made only to participants of the MLS where the listing is filed. ©2026 Smart MLS, Inc. All rights reserved.
Data last updated on 10/17/2026 at 9:20 PM UTC.