Janet Sylvester

Portsmouth, NH

Great Island Realty LLC

82 Closed Sales

$107.7M Total Value

$250K - $6.3M Price Range

$1.3M Average Price

Prior five years

About Janet

As past President of a successful multi-million dollar Corporation and as Owner of a Real Estate Investment Company, Janet has the business background and negotiation skills necessary to ensure that our Clients have the best possible representation.

At Great Island Realty Janet and Margaret work as a Team… every Great Island Realty Client receives the benefits of both strong skill sets and of having two Brokers working constantly on their behalf. Their attention to detail, proactive approach to bringing deals together and the level of care they provide on behalf of each and every Client is unsurpassed.

As long time residents of New Castle, both Janet and Margaret understand what makes the Seacoast of New Hampshire special and unique.

Home Types: House, Condo, MultiFamily, Townhouse, Lot/Land, Commercial, Manufactured

Years of Experience: 17

Education: Arizona State University

Transaction History

1 Year
2 Year
5 Year

Seller Deals

Total Deals

Total Value

$21,785,000

Average Sale Price

$1,675,769

Price Range

$455K - $3.7M

Buyer Deals

Total Deals

Total Value

$4,255,000

Average Sale Price

$1,063,750

Price Range

$480K - $1.6M

1 Year View by Quarter

Seller Deals

Total Deals

Total Value

$27,625,000

Average Sale Price

$1,625,000

Price Range

$455K - $3.7M

Buyer Deals

Total Deals

Total Value

$24,214,299

Average Sale Price

$2,017,858

Price Range

$354K - $4.8M

2 Year View by Quarter

Seller Deals

Total Deals

Total Value

$61,244,900

Average Sale Price

$1,224,898

Price Range

$266K - $3.7M

Buyer Deals

Total Deals

Total Value

$46,434,819

Average Sale Price

$1,451,088

Price Range

$250K - $6.3M

5 Year View

Neighborhoods Janet Has the Most Experience In

New Castle Island

16 Sales
West End

7 Sales
Downtown Portsmouth

7 Sales
Dover

6 Sales
Rye

4 Sales
Barrington

4 Sales

Janet's Active Listings

$425,000
- 2 Beds
- 1 Bath
- 644 Sq Ft
40 Concord Way

Portsmouth, NH
Move right in—everything has already been done for you! This turnkey unit features one garage bay and a host of updates, including new plumbing, electrical, roofing, and stylish cosmetic upgrades throughout. Enjoy modern appliances and a sleek, move-in-ready space. Conveniently located for commuters with easy access to downtown Portsmouth's shops, restaurants, and businesses. Quick and easy to

Janet Sylvester Great Island Realty LLC

$399,000
- 2 Beds
- 1 Bath
- 644 Sq Ft
38 Concord Way

Portsmouth, NH
Move right in—everything has already been done for you! This turnkey unit features two garage bays and a host of updates, including new plumbing, electrical, roofing, and stylish cosmetic upgrades throughout. Enjoy modern stainless steel appliances and a sleek, move-in-ready space. Conveniently located for commuters with easy access to downtown Portsmouth's shops, restaurants, and businesses.

Janet Sylvester Great Island Realty LLC

Co-Listing Agent

$2,595,000
- 3 Beds
- 3.5 Baths
- 3,144 Sq Ft
22 Colonial Ln

New Castle, NH
A William Ross design, this elegant custom home is historically inspired yet accommodates the needs of today's modern lifestyle. Just 12 years young, this exceptional home showcases meticulous attention to detail and top-tier architectural finishes throughout. Nestled in the charming Colonial Lane cul-de-sac, it offers picturesque pond and marsh views, all while being privately tucked away in the

Janet Sylvester Great Island Realty LLC

Co-Listing Agent

$2,950,000
- 4 Beds
- 4.5 Baths
- 5,671 Sq Ft
77 Abigale Ln

New Castle, NH
Stunning Custom-Built Home in New Castle - Welcome to this exquisite custom-built residence, nestled in one of New Castle's most coveted neighborhoods. Designed with unparalleled attention to detail, this home offers a unique blend of luxury, comfort, and convenience. The property is perfectly situated on an elevated lot, offering breathtaking views of the peaceful cul-de-sac and the surrounding

Janet Sylvester Great Island Realty LLC

$699,000
- 4 Beds
- 1 Bath
- 1,870 Sq Ft
409 Lafayette Rd

Portsmouth, NH
Investors and Builders Take Notice!Priced at land value, this beautiful and level 0.70-acre lot is a rare opportunity in a prime Portsmouth location. With easy commuter access and close proximity to downtown, the West End, restaurants, and shopping, the location is ideal. Bring your sweat equity, ideas, and vision—whether you choose to renovate the existing structure or build new, the potential

Janet Sylvester Great Island Realty LLC

$510,000
- 2 Beds
- 1.5 Baths
- 1,884 Sq Ft
31 Artisan Way

Dover, NH
Discover Your Dream Home! Step into this fabulous end-unit 55+ townhouse development located in the highly sought-after community of The Lofts at Pointe Place. Bathed in natural light and featuring an array of premium upgrades, this home is the perfect blend of comfort and luxury. From gleaming quartz countertops to hardwood flooring throughout, every detail in this home has been carefully

Janet Sylvester Great Island Realty LLC

Co-Listing Agent

$1,195,000
- 3 Beds
- 3 Baths
- 1,907 Sq Ft
526 State St

Portsmouth, NH
Nestled in the heart of downtown Portsmouth, this stunning historical brick duplex offers a rare opportunity to own a piece of the city’s rich heritage while enjoying the vibrant lifestyle of one of New England's most sought-after locations. With its prime location, ample parking, and endless potential, this property is perfect for owner-occupants, investors, or those looking to convert into

Janet Sylvester Great Island Realty LLC

Agent License #061241

Janet Sylvester

(603) 691-1694

Great Island Realty LLC

(603) 691-1694

Janet Sylvester

About Janet

Transaction History

Seller Deals

Buyer Deals

Production Over Time

1 Year View by Quarter

Seller Deals

Buyer Deals

Production Over Time

2 Year View by Quarter

Seller Deals

Buyer Deals

Production Over Time

5 Year View

Neighborhoods Janet Has the Most Experience In

Janet's Listings and Deals

Janet's Active Listings