Brand-new, bespoke modern Colonial offering over 6,500 square feet of thoughtfully designed living space on .4 acres with a pool and auto cover. Tucked at the end of a quiet street, this home boasts modern finishes and clean architectural lines. Four fully finished floors include five or six bedrooms, four full and two half baths, a dedicated gym, office, multiple playrooms, and a functional mudroom. The expansive kitchen and family room anchor the home with a large island, high ceilings, and seamless indoor/outdoor flow to the pool and terrace. Sun-filled interiors balance style and comfort, ideal for both daily living and entertaining. Located in North Mianus and Eastern school district, the home is under construction with time to customize and scheduled for 2026 school-year move in.
New construction
$3,995,000
45 Sunshine Ave, Riverside, CT 06878
5beds
6,615sqft
Est.:
Residential, Single Family Residence
Built in 2026
0.4 Acres Lot
$3,975,900 Zestimate®
$604/sqft
$-- HOA
What's special
High ceilingsLarge islandFive or six bedroomsFour fully finished floorsFunctional mudroomDedicated gymMultiple playrooms
- 39 days |
- 6,939 |
- 257 |
Zillow last checked: 8 hours ago
Listing updated: January 13, 2026 at 10:54am
Listed by:
Amanda Bates Goodro 203-536-1195,
Houlihan Lawrence
Source: Greenwich MLS, Inc.,MLS#: 124060
Tour with a local agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 8
- Full bathrooms: 6
- 1/2 bathrooms: 2
Heating
- Natural Gas, Forced Air, Radiant
Cooling
- Central Air
Appliances
- Laundry: Laundry Room
Features
- Kitchen Island, Eat-in Kitchen, Built-in Features, Sep Shower, Pantry
- Windows: Double Pane Windows
- Basement: Finished,Full
- Number of fireplaces: 1
Interior area
- Total structure area: 6,615
- Total interior livable area: 6,615 sqft
Property
Parking
- Parking features: Garage Door Opener
Features
- Patio & porch: Terrace
- Exterior features: Outdoor Shower
- Has private pool: Yes
- Fencing: Fenced
Lot
- Size: 0.4 Acres
- Features: Level
Details
- Parcel number: 122842
- Zoning: R-7
- Other equipment: Generator
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Colonial
- Property subtype: Residential, Single Family Residence
Materials
- See Remarks, Clapboard
- Roof: Shingle
Condition
- Under Construction
- New construction: Yes
- Year built: 2026
Utilities & green energy
- Water: Public
Community & HOA
Community
- Security: Security System
Location
- Region: Riverside
Financial & listing details
- Price per square foot: $604/sqft
- Date on market: 1/5/2026
- Inclusions: Washer/Dryer, All Kitchen Applncs
Estimated market value
$3,975,900
$3.78M - $4.17M
$3,554/mo
Price history
Price history
| Date | Event | Price |
|---|---|---|
| 1/5/2026 | Listed for sale | $3,995,000+166.3%$604/sqft |
Source:  Greenwich MLS, Inc. #124060 Report a problem | ||
| 12/31/2025 | Sold | $1,500,000-62.5%$227/sqft |
Source: Greenwich MLS, Inc. #123945 Report a problem | ||
| 12/8/2025 | Listed for sale | $3,995,000+157.7%$604/sqft |
Source:  Smart MLS #24143935 Report a problem | ||
| 12/5/2025 | Contingent | $1,550,000-61.2%$234/sqft |
Source: Greenwich MLS, Inc. #123945 Report a problem | ||
| 12/4/2025 | Price change | $3,995,000+157.7%$604/sqft |
Source: Greenwich MLS, Inc. #124060 Report a problem | ||
Public tax history
Public tax history
Tax history is unavailable.BuyAbility℠ payment
Est. payment
$22,515/mo
Principal & interest
$15491
Property taxes
$5626
Home insurance
$1398
Climate risks
Neighborhood: Riverside
Nearby schools
GreatSchools rating
- 9/10North Mianus SchoolGrades: K-5Distance: 0.6 mi
- 9/10Eastern Middle SchoolGrades: 6-8Distance: 1.1 mi
- 10/10Greenwich High SchoolGrades: 9-12Distance: 2 mi
Schools provided by the listing agent
- Elementary: North Mianus
- Middle: Eastern
Source: Greenwich MLS, Inc.. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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