Tim O'Sullivan's Profile Photo

Tim O'Sullivan

REALTORĀ® | MonaLisa Team

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About Tim
With much professional success, Tim provides a wealth of experience to his clients. In addition to his real estate achievements, Tim has served as an estate manager for some of the most affluent and discerning clients in New York City, Vail, Southampton, and Boston. Tim is also a classically trained musician and was a private chef in New York City. Tim’s diverse and accomplished background provides him with a unique perspective and an unparalleled ability to exceed his clients’ expectations.

Having been involved in real estate transactions in excess of $50 million, Tim is a seasoned negotiator and handles every transaction with great care and attention. The son of a general contractor, Tim has led numerous renovation projects and holds a genuine passion for construction and design.

Tim fully embraces Boston’s vast culinary scene, its Symphony Orchestra, and local hiking trails. Consistently seeking ways to pay-it-forward and make a positive impact, Tim’s commitment to community outreach is a devotion.

With Tim O’Sullivan as your Realtor, you can expect a professional yet friendly approach that prioritizes your needs. His local knowledge, market expertise, and love for the area make him an ideal partner in your real estate journey. Trust that Tim will guide you through every step as you find your next home and welcoming community.

Tim O'Sullivan’s Listings

a kitchen with a sink cabinets and window
a kitchen with a sink a counter top space and cabinets
a living room with furniture a fireplace and a large mirror
a living room with furniture and a flat screen tv
a living room with furniture and a large window
a living room with furniture and a large window
a view of a dining room with furniture and wooden floor
a view of a a dining room with furniture window and wooden floor
a kitchen with a sink appliances and cabinets
a bedroom with a bed and a window
a bedroom with two beds and a large window
a bedroom with double bed and a window
a bathroom with a double vanity sink mirror and shower
a bathroom with a double vanity sink mirror and
a bathroom with a double vanity sink and a mirror
a living room with furniture and a window
a bedroom with a bed couch and window
a living room with furniture and a window
a view of an empty walk in closet
a view of a dining room with furniture and a window
a living room with furniture a flat screen tv and a window
a workspace with furniture and window
a living room with furniture and a flat screen tv
a view of a house with backyard porch and sitting area
a view of a house with backyard and sitting area
a picture of a floor plan
$2,400,000 | 133 Fayerweather Street, Unit 133, Cambridge, MA 02138
$2,400,000 | 133 Fayerweather Street, Unit 133, Cambridge, MA 02138
1/28
Listed By CompassOpen: 4/26 11:00AM - 12:30PM

$2,400,000

4
Bedrooms
3,003
Square Feet
2.30
Acres
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
$1,095,000 | 6 Hamilton Road, Unit 6, Somerville, MA 02144
1/28
Listed By CompassUnder Agreement

$1,095,000

3
Bedrooms
2,102
Square Feet
Contact Agent | 432 Norfolk Street, Unit 1H, Somerville, MA 02143
Compass Coming Soon

Contact Agent

1
Bedrooms
924
Square Feet
$450,000 | 395 Broadway, Unit L3F, Cambridge, MA 02139
$450,000 | 395 Broadway, Unit L3F, Cambridge, MA 02139
$450,000 | 395 Broadway, Unit L3F, Cambridge, MA 02139
$450,000 | 395 Broadway, Unit L3F, Cambridge, MA 02139
$450,000 | 395 Broadway, Unit L3F, Cambridge, MA 02139
$450,000 | 395 Broadway, Unit L3F, Cambridge, MA 02139
$450,000 | 395 Broadway, Unit L3F, Cambridge, MA 02139
$450,000 | 395 Broadway, Unit L3F, Cambridge, MA 02139
$450,000 | 395 Broadway, Unit L3F, Cambridge, MA 02139
$450,000 | 395 Broadway, Unit L3F, Cambridge, MA 02139
$450,000 | 395 Broadway, Unit L3F, Cambridge, MA 02139
$450,000 | 395 Broadway, Unit L3F, Cambridge, MA 02139
$450,000 | 395 Broadway, Unit L3F, Cambridge, MA 02139
$450,000 | 395 Broadway, Unit L3F, Cambridge, MA 02139
$450,000 | 395 Broadway, Unit L3F, Cambridge, MA 02139
$450,000 | 395 Broadway, Unit L3F, Cambridge, MA 02139
$450,000 | 395 Broadway, Unit L3F, Cambridge, MA 02139
$450,000 | 395 Broadway, Unit L3F, Cambridge, MA 02139
$450,000 | 395 Broadway, Unit L3F, Cambridge, MA 02139
$450,000 | 395 Broadway, Unit L3F, Cambridge, MA 02139
$450,000 | 395 Broadway, Unit L3F, Cambridge, MA 02139
$450,000 | 395 Broadway, Unit L3F, Cambridge, MA 02139
$450,000 | 395 Broadway, Unit L3F, Cambridge, MA 02139
1/23
Listed By CompassContingent

$450,000

Studio
Bedrooms
468
Square Feet

Tim O'Sullivan’s Transactions

Past Sales
a living room with furniture and a fireplace

$2,404,850

4
Bedrooms
3,003
Square Feet
a view of a chair and table in the balcony

$2,250,000

2
Bedrooms
1,938
Square Feet
a living room with furniture and a floor to ceiling window

$1,905,000

4
Bedrooms
2,865
Square Feet
a front view of a house with garden

$1,900,000

4
Bedrooms
2,577
Square Feet
0.12
Acres
a front view of a house with a yard

$1,860,000

4
Bedrooms
2,437
Square Feet
$1,850,000 | 15 Valentine Street, Unit 8, Cambridge, MA 02139

$1,850,000

3
Bedrooms
1,965
Square Feet
a front view of a house with a yard

$1,750,000

5
Bedrooms
2,686
Square Feet
0.05
Acres
$1,518,000 | 22 Corporal McTernan Street, Unit 3, Cambridge, MA 02139

$1,518,000

3
Bedrooms
1,673
Square Feet
front view of a house with a yard

$1,515,100

3
Bedrooms
1,976
Square Feet
0.10
Acres
a front view of a house with garden

$1,340,000

3
Bedrooms
1,852
Square Feet
0.20
Acres
a front view of a house with a yard

$1,250,000

4
Bedrooms
2,410
Square Feet
0.06
Acres
a front view of a residential apartment building with trees

$1,250,000

3
Bedrooms
1,605
Square Feet
$1,225,000 | 345 West Broadway, Unit 6, Boston, MA 02127

$1,225,000

2
Bedrooms
1,616
Square Feet
a living room with furniture and a large window

$1,165,000

3
Bedrooms
2,356
Square Feet
a living room with furniture and a window

$1,160,000

3
Bedrooms
1,459
Square Feet
a front view of a house with a garden

$1,080,000

5
Bedrooms
3,037
Square Feet
0.39
Acres
$1,060,000 | 22 Ossipee Road, Unit 2, Somerville, MA 02144

$1,060,000

3
Bedrooms
1,735
Square Feet
Placeholder image

$1,050,000

510 Somerville Ave, Unit 3

Past Rentals
a view of a house with backyard

$5,000

3
Bedrooms
a front view of a house

$5,000

4
Bedrooms
a view of front door of house with stairs

$4,600

3
Bedrooms
a living room with stainless steel appliances furniture and a kitchen view

$4,500

2
Bedrooms
$4,300 | 1 Riverside Place, Unit 1, Cambridge, MA 02139

$4,300

1
Bedrooms
a view of a house with a yard

$4,300

4
Bedrooms
a view of a house with a yard

$4,000

4
Bedrooms
a view of a house with a yard

$4,000

4
Bedrooms
$4,000 | 11 Hill Street, Unit 2, Watertown, MA 02472

$4,000

4
Bedrooms
$3,880 | 6 Verndale Road, Unit 2, Milton, MA 02186

$3,880

4
Bedrooms
$3,000 | 34 Bigelow Street, Unit B, Cambridge, MA 02139

$3,000

2
Bedrooms
a view of a dining room with furniture window and wooden floor

$2,850

1
Bedrooms
a view of an empty room with wooden floor and a window

$2,400

1
Bedrooms