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48 Tammys Lane

48 Tammys Lane, Oyster Bay, NY, 11791

$4,388,000

active

Bedrooms

Bathrooms

Sq Ft

6,760

Lot Size

87,164 sqft

Year Built

2004

Garage

3 car

Type

Single Family

Monthly Cost

Estimate. Actual payment depends on credit, lender, taxes, and insurance.

$27,737/month estimated

Principal & interest: $23,355
Property tax: $4,257
Home insurance (est.): $125

Down payment %Interest rate %Term (years)

Down payment: $877,600 · Loan amount: $3,510,400

Description

Nestled on more than two exquisitely landscaped acres in prestigious Muttontown, this extraordinary 6,600-square-foot estate offers a rare combination of privacy, luxury, and timeless craftsmanship. A grand two-story foyer with soaring ceilings, a dramatic staircase, and a stunning chandelier sets the tone for the exceptional design found throughout. Featuring 6 bedrooms, 7 full and 2 half baths, radiant-heated marble floors, and beautifully proportioned living spaces, the home showcases impeccable custom millwork, hand-painted finishes, designer window treatments, and artisanal ceiling details in every room. The chef's kitchen with premium appliances, pantry, and breakfast room opens to an expansive bluestone patio with outdoor kitchen, custom retractable awning, fire pit, and heated gunite pool surrounded by breathtaking, professionally designed gardens that create a private resort-like setting. Upstairs, the luxurious primary suite features a sitting room with fireplace, spa bath with heated marble floors, and an extraordinary custom walk-in closet, complemented by a second primary suite, additional en-suite bedrooms, a spacious great room, and laundry room. Additional highlights include a heated three-car garage with Tesla charger, whole-house generator, full unfinished basement, California Closets throughout, and a fully fenced backyard. Meticulously designed and maintained, this exceptional residence offers a level of quality, detail, and beauty rarely found in today's market.  A truly one-of-a-kind estate where exceptional craftsmanship, breathtaking grounds, and unparalleled privacy come together to create an extraordinary place to call home!

Features

✓ First Floor Bedroom
✓ First Floor Full Bath
✓ Built-in Features
✓ Cathedral Ceiling(s)
✓ Chandelier
✓ Chefs Kitchen
✓ Crown Molding
✓ Double Vanity
✓ Eat-in Kitchen
✓ Entrance Foyer
✓ Formal Dining
✓ Granite Counters
✓ High Ceilings
✓ Kitchen Island
✓ Pantry
✓ Primary Bathroom
✓ Soaking Tub
✓ Sound System
✓ Storage
✓ Tray Ceiling(s)
✓ Walk Through Kitchen
✓ Walk-In Closet(s)
Wired for Sound

Appliances

✓ Cooktop
✓ Dishwasher
✓ Dryer
✓ Electric Oven
✓ Freezer
✓ Gas Range
✓ Refrigerator
✓ Stainless Steel Appliance(s)
✓ Washer
✓ Gas Water Heater
✓ Indirect Water Heater
✓ Wine Refrigerator

Property Details

Cooling: Central Air
Heating: Forced Air, Natural Gas, Radiant
Basement: Full, Unfinished

Schools

Elementary

Robbins Lane Elementary School

Syosset

Middle

South Woods Middle School

Syosset

High

Syosset Senior High School

Syosset

Location

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Map of 48 Tammys Lane, Oyster Bay, NY, 11791

Listed by Nicole Oustatcher, Homes By Mara

MLS# KEY1013974646-584-8223

Listings courtesy of OneKey® MLS as distributed by MLS GRID

Based on information submitted to the MLS GRID as of Jun 26, 2026, 5:51 PM UTC (date and time MLS GRID Data was obtained). 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.

IDX information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed by MLS GRID.

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