821 Peconic Street Ronkonkoma, NY $ 750,000
821 Peconic Street
$ 750,000
Recently Listed
Open House 6/27 11am - 1pm
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821 Peconic Street

Ronkonkoma, NY, 11779
$ 750,000
Bedrooms4 Baths3.0 Sq 2,460

Monthly Estimate*

$ 4,736

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Single Family Home for sale in Ronkonkoma, NY

for $750,000 with 4 bedrooms and 3 full baths. This 2,460 square foot home was built in 1930 on a lot size of 0.29.

Welcome to 821 Peconic Street — an oversized, custom ranch in the highly desirable Connetquot School District offering the perfect blend of craftsmanship, luxury, space, and modern convenience. From the moment you enter, you’re greeted by a stunning open floor plan with vaulted ceilings, custom millwork, oak beams, rich wood flooring, and a gorgeous stone wood-burning fireplace that anchors the main living space. The custom-designed kitchen features cherry wood cabinetry, granite countertops, stainless steel appliances, vaulted ceilings, tile flooring, and sliding glass doors leading out to a private paver patio, perfect for relaxing outdoors. The formal dining room is equally impressive, complete with tray ceilings, inset lighting, and an elegant flow into the main living area. The home’s grand primary suite is truly one of the largest on the market, featuring vaulted ceilings, two massive walk-in closets, and a spa-inspired marble bathroom with radiant heat, sunken jetted tub, separate shower, and double vanity. Three additional queen-size bedrooms, a beautifully appointed family bath, a full stand-up attic, central air, owned solar panels, and a brand-new driveway add even more value and convenience. The fully renovated basement takes this home to another level, offering radiant floors, a gas fireplace, a gorgeously updated full bathroom, a full-service wet bar with quartz countertops, and an additional guest room, office, or flex space — ideal for extended living, entertaining, or working from home. With radiant flooring throughout the entire home, including the basement, owned solar panels, custom details throughout, and a mint-condition interior, this is not your average ranch. Spacious, elegant, and loaded with upgrades. This is the one you have been waiting for!

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Open House

6/27/2026 11:00 AM - 1:00 PM
821 Peconic Street Ronkonkoma, NY
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm

Single Family Active

Price

$ 750,000

Bedrooms

4

Full Bath

3

Property Type

Single Family

Taxes

$ 11,932

Style

Exp Ranch

Lot Size

0.29

Year Built

1930

Town/City

Ronkonkoma

County/Region

Suffolk

MLS | Web ID

1013762

Features
Interior
Interior Amenities First Floor Bedroom First Floor Full Bath Beamed Ceilings Breakfast Bar Cathedral Ceiling(s) Chandelier Chefs Kitchen Crown Molding Double Vanity Eat-in Kitchen His and Hers Closets Natural Woodwork
Basement Full
Flooring Hardwood
Total Fireplaces 2
Basement Features Full
Basement (Y/N) Y
Fireplace Y/N Y
Half Baths 0
Total Bedrooms 4
Total Baths 3
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General
Sewer Septic Tank
Heating Natural Gas Radiant Floor
Cooling Central Air
Utilities Natural Gas Connected
Appliances Dishwasher Oven Refrigerator
Architectural Style Exp Ranch
Construction Materials Frame
Year Built 1930
Property Subtype Single Family Residence
Tax Year 2025
Parcel Number 0500-086-00-01-00-013-000
County Suffolk County
Property Type Residential
HOA N
Garage Y/N N
Total Rooms 7
Full Baths 3
High School Connetquot High School
City Islip
Senior Community Y/N N
High School District Connetquot
Carport Y/N N
Elementary School Edith L Slocum Elementary School
Property Attached Y/N N
Tax Annual Amount 11932.38
Middle/Junior High School Ronkonkoma Middle School
Additional Parcels Y/N N
Building Area Units Square Feet
Standard Status Active
Middle/Junior School District Connetquot
Elementary School District Connetquot
Tax Assessed Value 41000
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Exterior
Fencing Fenced Full Vinyl
Parking Features Driveway Driveway
Water Source Public
Building Area Total 2460
Waterfront Y/N N
Horse Y/N N
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Internal Only
Street Number 1 821
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* Excluded Features
List By
Michael V. Foley

Listing Agent

Frontline Realty Group Llc

Broker

631-938-1481

Contact

Affordability Calculator

$5,730
Per Month
83%
17%
0%
Monthly Principal & Interest
$4,736
Monthly Property Taxes
$994
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4173239 Elementary School
4099118 Middle School
Connetquot High School High School
Pricing History
DatePricePrice ChangeDescription
6/24/2026$750,000 Listed Price

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821 Peconic Street, Ronkonkoma, NY, 11779 is a Single Family Home for sale at $750,000 with 2,460 sqft and a lot size of 0.29. 821 Peconic Street has 4 bedrooms, 3.0 baths, and was built in 1930. The property's zip code is 11779 which is in Ronkonkoma, NY