Green homes for sale & real estate in Nassau County, NY

356 homes

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ABOUT THIS HOME
Green Home for sale in Nassau County, NY:
BRAND-NEW, RAISED & FEMA-COMPLIANT LUXURY—JUST 1 BLOCK TO TRAIN & BUS! WELCOME TO 450 MOREA ST, OCEANSIDE. This over-3,000 SQ FT masterpiece delivers the space and flexibility you’ve been waiting for: 5 BEDROOMS, 4 FULL BATHS and an airy OPEN FLOOR PLAN designed for effortless living and entertaining. Enjoy CENTRAL AIR and CENTRAL HEAT, MASSIVE BEDROOMS with OVERSIZED CLOSETS, and thoughtful layouts that give extra space for everyone in your household. Step outside to tons of backyard space—a rare find—perfect for gatherings, play, or peaceful downtime. NOTHING LIKE THIS ON THE MARKET. Seize the chance to own the newest new construction in Oceanside! Ad

$1,350,000

5 beds4 baths3,296 sq ft

450 Morea St, Oceanside, NY 11572

Central heat • Open floor plan • Massive pantry

Listing by Serhant LLC

ABOUT THIS HOME
Green Home for sale in Nassau County, NY:
This three-level, waterfront home is back on the market. Concrete basement has been raised seven feet. Can fit five cars. Three separate entrances with an interior elevator that is accessible to all three floors. House was architecturally rebuilt (not remodeled) and finished beautifully within the last eight years. Home includes: six bedrooms, three bedrooms, two designer kitchens, and an attic. (Mother/daughter. ) Internal speakers and fire alarms already installed in the ceilings. 2600 square feet of living space . .

$1,019,998

6 beds3 baths2,600 sq ft

3434 Colony Dr, Baldwin, NY 11510

Finished attic • Waterfront home • Interior elevator

Listing by Alan Deblat Real Estate Corp

NEW CONSTRUCTION

ABOUT THIS HOME
Green Home for sale in Nassau County, NY:
Brand New Under Construction! Step into luxury with this brand new Center Hall Colonial, nestled in a center block location. Crafted by a builder renowned for his impeccable design and craftsmanship, this home is a gem in the making. From the moment you walk through the grand two-story entryway, you’ll be swept away by the elegance and attention to detail. The home features 5 spacious bedrooms, 3 full bathrooms, and gleaming hardwood floors throughout. The state-of-the-art kitchen is a chef’s dream, complete with stainless steel appliances. The den/family room, with its cozy gas fireplace, is perfect for relaxing or entertaining. And let’s not forget the full basement with

$1,788,888

5 beds3 baths3,539 sq ft

47 Shelter Hill Rd, Plainview, NY 11803

Cozy gas fireplace • Center hall colonial • 9,250 sq ft lot

Listing by Douglas Elliman Real Estate

ABOUT THIS HOME
Green Home for sale in Nassau County, NY:
Come check out this possible 5 bedroom, 3 full bath NEWLY RENOVATED property in Uniondale. Brand new kitchen with stainless steel appliances! Gas cooking! Sun drenched FAMILY ROOM with fireplace! FORMAL DINING ROOM! Quaint Entry Foyer. Wood floors throughout. Laundry area on 1st floor. 2 possible bedrooms on 1st floor. Big Basement with FULL BATH and Separate OUTSIDE ENTRANCE. HUGE 2.5 car GARAGE with 4 car driveway. Deck in back for entertaining. PRICED TO SELL. Will not last! HOT TUB in backyard with pergola as a gift. Close to all shopping and houses of worship. HURRY!

$699,000

5 beds3 baths1,500 sq ft

363 Clarendon Rd, Uniondale, NY 11553

5,000 sq ft lot • 2 garage spots • Built 1935

Listing by VYLLA Home

ABOUT THIS HOME
Green Home for sale in Nassau County, NY:
A charming colonial nestled in the heart of the beautiful Valley Stream area of Nassau Count with amazing potential for expansion on a double deeded lot boasting a frontage of 80 x 160 yard space, only minutes from public transportation schools, places of worship, shopping, and all major highways. Showings will commence on 09/27/2025

$1,199,000

4 beds3.5 baths2,112 sq ft

122 Rockaway Pkwy, Valley Stream, NY 11580

Frontage of 80 x 160 • Minutes from schools • Double deeded lot

Listing by Hayliam Realty LLC

Property at 39 Oakdale Rd, Roslyn Heights, NY 11577, 5 beds, 3 baths

$1,599,000

5 beds3 baths2,600 sq ft

39 Oakdale Rd, Roslyn Heights, NY 11577

Listing by E Realty International Corp

Property at 329 N Wyoming Ave, Massapequa, NY 11758, 3 beds, 2 baths

$799,000

3 beds2 baths1,966 sq ft

329 N Wyoming Ave, Massapequa, NY 11758

Listing by Douglas Elliman Real Estate

Property at 2728 Wilson Ave, Bellmore, NY 11710, 5 beds, 3 baths

$1,488,888

5 beds3 baths3,175 sq ft

2728 Wilson Ave, Bellmore, NY 11710

Listing by 360 Realty Group

Property at 229 Brixton Rd, Garden City, NY 11530, 5 beds, 5.5 baths

$2,998,000

5 beds5.5 baths3,650 sq ft

229 Brixton Rd, Garden City, NY 11530

Listing by Daniel Gale Sothebys Intl Rlty

Property at 138 Ormonde Blvd, Valley Stream, NY 11580, 4 beds, 2.5 baths

$849,888

4 beds2.5 baths1,210 sq ft

138 Ormonde Blvd, Valley Stream, NY 11580

Listing by Property Professionals Realty

Property at 23 Old Westbury Rd, Old Westbury, NY 11568, 20 beds, 27.5 baths

$14,950,000

20 beds27.5 baths10,000 sq ft

23 Old Westbury Rd, Old Westbury, NY 11568

Listing by Nest Seekers LLC

Property at 8 Junard Dr, Roslyn, NY 11576, 4 beds, 3.5 baths

$1,925,000

4 beds3.5 baths3,200 sq ft

8 Junard Dr, Roslyn, NY 11576

Listing by BERKSHIRE HATHAWAY

Property at 6000 Royal Ct #6303, North Hills, NY 11040, 3 beds, 3.5 baths

$2,950,000

3 beds3.5 baths2,237 sq ft

6000 Royal Ct #6303, North Hills, NY 11040

Listing by Daniel Gale Sothebys Intl Rlty

Property at 512 Nassau Blvd, Williston Park, NY 11596, 5 beds, 2 baths

$800,000

5 beds2 baths1,575 sq ft

512 Nassau Blvd, Williston Park, NY 11596

Listing by Cosmo Group Realty

Property at 54 Chestnut St, Massapequa, NY 11758, 6 beds, 3.5 baths

$2,199,000

6 beds3.5 baths3,583 sq ft

54 Chestnut St, Massapequa, NY 11758

Listing by Home and Hearth of Long Island

Property at 90 E Broadway, Roslyn, NY 11576, 4 beds, 3 baths

$1,399,000

4 beds3 baths2,158 sq ft

90 E Broadway, Roslyn, NY 11576

Listing by LW 21 LLC

Property at 267 N Elm St, Massapequa, NY 11758, 5 beds, 3 baths

$1,450,000

5 beds3 baths3,047 sq ft

267 N Elm St, Massapequa, NY 11758

Listing by Realty Connect USA LLC

Property at 15 Fairway Cir S #15, Manhasset, NY 11030, 2 beds, 2.5 baths

$1,495,000

2 beds2.5 baths2,418 sq ft

15 Fairway Cir S #15, Manhasset, NY 11030

Listing by Keller Williams Rty Gold Coast

Property at 63 Pembrook Dr, Mineola, NY 11501, 4 beds, 2 baths

$1,480,000

4 beds2 baths2,000 sq ft

63 Pembrook Dr, Mineola, NY 11501

Listing by Real Estate Classic LLC

Property at 8 Dumond Pl, Glen Head, NY 11545, 2 beds, 1 bath

$849,888

2 beds1 bath1,440 sq ft

8 Dumond Pl, Glen Head, NY 11545

Listing by BERKSHIRE HATHAWAY

Property at 21 Cypress Ave, Bethpage, NY 11714, 4 beds, 3 baths

$1,429,999

4 beds3 baths2,650 sq ft

21 Cypress Ave, Bethpage, NY 11714

Listing by Charles Rutenberg Realty Inc

Property at 12 Foxhurst Ct, New Hyde Park, NY 11040, 4 beds, 3.5 baths

$1,788,888

4 beds3.5 baths3,978 sq ft

12 Foxhurst Ct, New Hyde Park, NY 11040

Listing by Signature Premier Properties

Property at 18 Violet Rd, Bayville, NY 11709, 4 beds, 3 baths

$958,000

4 beds3 baths2,544 sq ft

18 Violet Rd, Bayville, NY 11709

Listing by A Class Realty

Property at 26 Windemere Way, Woodbury, NY 11797, 6 beds, 5 baths

$2,999,999

6 beds5 baths5,467 sq ft

26 Windemere Way, Woodbury, NY 11797

Listing by Compass Greater NY LLC

Property at 12 Sloanes Ct, Port Washington, NY 11050, 5 beds, 5 baths

$4,500,000

5 beds5 baths8,521 sq ft

12 Sloanes Ct, Port Washington, NY 11050

Listing by Jamie Realty Group

Property at 957 Dana Ave, Valley Stream, NY 11580, 6 beds, 6.5 baths

$1,899,000

6 beds6.5 baths4,200 sq ft

957 Dana Ave, Valley Stream, NY 11580

Listing by Pal Brothers Real Estate Corp

Property at 169 Hempstead Ave, Rockville Centre, NY 11570, 4 beds, 3.5 baths

$1,499,000

4 beds3.5 baths2,800 sq ft

169 Hempstead Ave, Rockville Centre, NY 11570

Listing by Harms Real Estate Inc

Property at 249 Hoffman St, Franklin Square, NY 11010, 3 beds, 2 baths

$819,000

3 beds2 baths1,250 sq ft

249 Hoffman St, Franklin Square, NY 11010

Listing by Charles Rutenberg Realty Inc

Property at 3695 S Somerset Dr, Seaford, NY 11783, 4 beds, 3 baths

$1,349,988

4 beds3 baths3,100 sq ft

3695 S Somerset Dr, Seaford, NY 11783

Listing by Keller Williams Points North

Property at 302 W John St Unit A, Hicksville, NY 11801, 6 beds, 4 baths

$1,050,000

6 beds4 baths2,795 sq ft

302 W John St Unit A, Hicksville, NY 11801

Listing by BERKSHIRE HATHAWAY

Property at 236 Stewart Ave, Garden City, NY 11530, 7 beds, 5.5 baths

$2,899,000

7 beds5.5 baths4,223 sq ft

236 Stewart Ave, Garden City, NY 11530

Listing by Signature Premier Properties

Property at 120 Glenwood Rd, Glenwood Landing, NY 11547, 5 beds, 2 baths

$1,168,000

5 beds2 baths1,757 sq ft

120 Glenwood Rd, Glenwood Landing, NY 11547

Listing by Prospes Real Estate Corp

Property at 3356 Carrollton Ave, Wantagh, NY 11793, 5 beds, 3.5 baths

$1,799,777

5 beds3.5 baths3,500 sq ft

3356 Carrollton Ave, Wantagh, NY 11793

Listing by Signature Premier Properties

Property at 17 Hannington Ave, Wantagh, NY 11793, 5 beds, 3 baths

$1,599,000

5 beds3 baths3,350 sq ft

17 Hannington Ave, Wantagh, NY 11793

Listing by NYONLINEREALTY.COM

Property at 700 Shore Rd Unit 4K, Long Beach, NY 11561, 1 bed, 1 bath

$525,000

1 bed1 bath1,000 sq ft

700 Shore Rd Unit 4K, Long Beach, NY 11561

Listing by Realty Connect USA LLC

Property at 750 Prospect St, Baldwin, NY 11510, 4 beds, 2 baths

$680,000

4 beds2 baths1,424 sq ft

750 Prospect St, Baldwin, NY 11510

Listing by Kin Realty Of New York LLC

Property at 11 Buckingham Ct, Syosset, NY 11791, 7 beds, 8 baths

$3,690,000

7 beds8 baths5,500 sq ft

11 Buckingham Ct, Syosset, NY 11791

Listing by ZI Realty LLC

Property at 161 W Beech St, Long Beach, NY 11561, 5 beds, 5.5 baths

$3,500,000

5 beds5.5 baths5,324 sq ft

161 W Beech St, Long Beach, NY 11561

Listing by Douglas Elliman Real Estate

Property at 40 Hewlett Ln, Port Washington, NY 11050, 6 beds, 6.5 baths

$4,475,000

6 beds6.5 baths7,000 sq ft

40 Hewlett Ln, Port Washington, NY 11050

Listing by Douglas Elliman Real Estate

Property at 100 Hilton Ave Unit M27, Garden City, NY 11530, 2 beds, 2.5 baths

$999,000

2 beds2.5 baths1,465 sq ft

100 Hilton Ave Unit M27, Garden City, NY 11530

Listing by Realty Trends Corp

Property at 3357 Lawrence Ave, Oceanside, NY 11572, 5 beds, 2 baths

$879,999

5 beds2 baths2,596 sq ft

3357 Lawrence Ave, Oceanside, NY 11572

Listing by Coldwell Banker American Homes

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Based on information submitted to the MLS GRID as of Sun Nov 30 2025. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

Green Homes for Sale in Nassau County

There are currently 356 green homes for sale in Nassau County at a median listing price of $875K. Some of these homes are "Hot Homes," meaning they're likely to sell quickly. Most homes for sale in Nassau County stay on the market for 51 days and receive 4 offers. This map is refreshed with the newest listings in Nassau County every 15 minutes.

In the past month, 977 homes have been sold in Nassau County. In addition to houses in Nassau County, there were also 546 condos, 1 townhouse, and 129 multi-family units for sale in Nassau County last month. Find your dream home in Nassau County using the tools above. Use filters to narrow your search by price, square feet, beds, and baths to find homes that fit your criteria. Our top-rated real estate agents in Nassau County are local experts and are ready to answer your questions about properties, neighborhoods, schools, and the newest listings for sale in Nassau County. If you're looking to sell your home in the Nassau County area, our listing agents can help you get the best price. Redfin is redefining real estate and the home buying process in Nassau County with industry-leading technology, full-service agents, and lower fees that provide a better value for Redfin buyers and sellers.

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