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MLS ID KEY1045164Last updated Sep 28, 2026

Single Family

45 Dietz Avenue

Active · Brookhaven · Suffolk County, NY 11755

Bedrooms
5 Beds
Bathrooms
4 Baths
Year built
1980
Est. monthly taxes
$1,573.32
Property gallery0 / 48
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About this home

Welcome to this beautifully appointed 5-bedroom, 4-bathroom home offering nearly 3,000 square feet of living space on an expansive half-acre lot of approximately 22,000 square feet. Thoughtfully designed for both everyday living and entertaining, this home features oak hardwood floors, recessed lighting throughout, four exposures providing abundant natural light, central heating and cooling, and multiple access points to the yard and deck. Major recent upgrades include a roof approximately 2 years old, fully paid-off solar panels installed approximately 2 years ago, an in ground heated saltwater pool approximately 1 year old, and a pool heater approximately 1 year old. The kitchen features marble countertops, stainless steel appliances, beautiful light fixtures, and heated floors. Radiant heated flooring continues in the entryway, while the primary suite offers heated bedroom and bathroom floors along with a relaxing Jacuzzi tub. Hardwood flooring is also located beneath the carpeted areas. Step outside to your own private backyard retreat, complete with a heated saltwater pool, spacious TimberTech deck, gazebo, private outdoor bar, automatic/manual sprinkler system and dedicated outdoor breakfast area—an incredible setup for entertaining or simply enjoying your own private oasis. The recreation room provides even more entertainment space, featuring a pool table and chess area with direct access to the deck and backyard. Additional features include a wood-burning fireplace, automatic window shades, supplemental A/C boosters, and a dedicated laundry room. With nearly 3,000 square feet of living space, a sprawling half-acre property, resort-style outdoor amenities, fully paid solar panels, and numerous recent upgrades, this Lake Grove home offers an exceptional combination of space, comfort, efficiency, and year-round entertainment. Message me today to schedule your private showing!

Listing snapshot

Days on site
58 days
Listed on MLS
Aug 31, 2026
Full baths
4
Half baths
0
Annual property tax (MLS)
$18,879.8
Tax year
2026
Area source (MLS)
Public Records
Listing brokerage
Compass Greater NY LLC
MLS ID
KEY1045164
Last updated
Sep 28, 2026

General features

Property type
Single Family
Property subtype
Single Family Residence
Year built
1980
Garage
Yes
Garage spaces
2
Parking
Driveway, Garage
Water source
Public
Sewer
Cesspool
Utilities
Electricity Connected, Water Connected

Interior features

Basement
Finished, Full, Walk-Out Access
Heating
Oil, Radiant Floor, Other
Cooling
Central Air
Interior
First Floor Bedroom, First Floor Full Bath, Breakfast Bar, Ceiling Fan(s), Chandelier, Chefs Kitchen, Eat-in Kitchen, Entrance Foyer, Formal Dining, Granite Counters, High Ceilings, His and Hers Closets, Kitchen Island, Marble Counters, Natural Woodwork, Other, Primary Bathroom, Recessed Lighting, Soaking Tub, Storage, Walk-In Closet(s), Washer/Dryer Hookup
Appliances
Dishwasher, Dryer, Gas Cooktop, Microwave, Oven, Refrigerator, Stainless Steel Appliance(s), Washer, Wine Refrigerator
Flooring
Hardwood
Fireplaces
1

Exterior features

Architectural style
Hi Ranch
Construction materials
Brick
Exterior
Mailbox
Private pool
Yes

Schools (MLS)

Elementary school
Bicycle Path Kindergarten-Pre K
Elementary school district
Middle Country
Middle school
Dawnwood Middle School
Middle school district
Middle Country
High school
Centereach High School
High school district
Middle Country

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

Recent activity

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

Location

Brookhaven · Suffolk County, NY 11755Show interactive map
45 Dietz Avenue

Brookhaven · Suffolk County, NY 11755

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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.