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MLS ID KEY1037793Last updated Sep 17, 2026

Single Family

18 Aster Avenue

Pending · Brookhaven · Suffolk County, NY 11742

Bedrooms
4 Beds
Bathrooms
3 Baths
Year built
1978
Est. monthly taxes
$763.75
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About this home

Welcome to 18 Aster Avenue, a spacious four-bedroom, 3 bath Colonial offering an abundance of room, comfort, and versatility in the heart of Holtsville. With a flexible layout and generous living spaces, this home is ideal for extended family, entertaining, or simply enjoying plenty of room to spread out. The main level features a formal living room and formal dining room, perfect for gatherings and special occasions. The eat-in kitchen provides plenty of space for everyday dining, while the tremendous rear family room/entertainment space offers an inviting area for relaxing, entertaining, movie nights, or quality time with family and friends. Upstairs, you’ll find three bedrooms, including a spacious primary suite with a private en-suite bathroom, along with an additional full bathroom. The versatile floor plan provides excellent flexibility for a growing household or extended-family needs. A full, unfinished basement offers tremendous storage potential and plenty of room for future possibilities. Outside, enjoy a nice-sized yard with ample space for summer barbecues, outdoor entertaining, gatherings, or simply relaxing and enjoying the outdoors. Notable updates include a new HVAC system installed in 2026, microwave replaced in 2025, and kitchen appliances including the stove, dishwasher, and refrigerator updated in approximately 2022–2023. The washer and dryer are approximately 2015. The roof and water heater are approximately 23 years old. Conveniently located close to shopping, transportation, and everyday amenities, this home combines space, versatility, and convenience. A wonderful opportunity to own a generously sized Colonial with exceptional living space, a flexible floor plan, a comfortable outdoor setting, and plenty of potential to make it your own.

Listing snapshot

Days on site
59 days
Listed on MLS
Aug 12, 2026
Full baths
2
Half baths
1
Annual property tax (MLS)
$9,165
Tax year
2026
Area source (MLS)
CubiCasa
Listing brokerage
Giordano Realty Corp of LI
MLS ID
KEY1037793
Last updated
Sep 17, 2026

General features

Property type
Single Family
Property subtype
Single Family Residence
Year built
1978
Garage
No
Parking
Driveway
Water source
Public
Sewer
Cesspool
Utilities
Electricity Connected, Trash Collection Public, Water Available

Interior features

Basement
Full, Unfinished
Heating
Baseboard, Oil
Cooling
Central Air
Interior
First Floor Bedroom
Appliances
Convection Oven, Dishwasher, Dryer, Range, Refrigerator, Washer

Exterior features

Architectural style
Colonial
Construction materials
Vinyl Siding
Private pool
No

Schools (MLS)

Elementary school
Waverly Avenue School
Elementary school district
Sachem
Middle school
Sagamore Middle School
Middle school district
Sachem
High school
Sachem High School East
High school district
Sachem

School information is provided by the MLS. Confirm attendance eligibility with the school district.

Recent activity

  1. Listing updated from MLS
  2. MLS status changed
  3. First seen on this site

Location

Brookhaven · Suffolk County, NY 11742Show interactive map
18 Aster Avenue

Brookhaven · Suffolk County, NY 11742

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Estimate monthly payment

Loan detailsFixed-rate, fully amortizing loan. Edit the assumptions below; no market rate is supplied.
Property expenses (USD)
MLS amounts are prefilled when available and can be edited. Confirm what fees include. Unknown fee frequencies cannot be converted automatically.Property expenses: MLS values where available; missing values stay blank.

Estimated monthly principal & interest—

Monthly property taxNot provided

Monthly association / maintenance feesNot provided

Estimated monthly total of entered costs—

Excludes insurance, mortgage insurance, special assessments and lender fees. MLS taxes may reflect abatements or exemptions and can change.

Listing data is supplied by the MLS and may change without notice.