Jim Lowenstern Real Estate Agent - Castles Unlimited

17 Porter St, Somerville, MA For Sale $2,495,000 - co-listed by Jim Lowenstern — For Sale $2,495,000 • Co-Listing Agent

Jim Lowenstern listing agent for 59 Roundwood Rd, Newton Upper Falls, MA - sold for $1,980,000 — Sold $1,980,000

600 Washington St Unit 3, Wellesley, MA For Rent $3,995/month - co-listed by Jim Lowenstern — For Rent $3,995/month • Co-Listing Agent

27 Gammons Rd Unit 73561458, Newton, MA For Sale $2,895,000 - listed by Jim Lowenstern — For Sale $2,895,000

Jim Lowenstern buyer's agent for 40 Woodland Ave, Medford, MA - sold for $1,120,000 — Sold $1,120,000

Jim Lowenstern

Newton Centre MA

Castles Unlimited

18 Closed Sales

$44.1M Total Value

$610K - $7.8M Price Range

$2.5M Average Price

Prior 5 years

About Jim

Home Types: Multifamily, Townhouse, House, Commercial, Condo

Years of Experience: 44

Education: Tufts University , and Brandeis University

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	3
Total Value	$12,535,000
Average Sale Price	$4,178,333
Price Range	$2M - $7.8M

Buyer Deals
Total Deals	1
Total Value	$1,120,000
Average Sale Price	$1,120,000

Seller Deals
Total Deals	4
Total Value	$15,585,000
Average Sale Price	$3,896,250
Price Range	$2M - $7.8M

Buyer Deals
Total Deals	1
Total Value	$1,120,000
Average Sale Price	$1,120,000

Seller Deals
Total Deals	9
Total Value	$23,350,000
Average Sale Price	$2,594,444
Price Range	$475K - $7.8M

Buyer Deals
Total Deals	9
Total Value	$20,770,000
Average Sale Price	$2,307,778
Price Range	$340K - $5.5M

5 Year View

Neighborhoods Jim is Experienced In

Jim's Listings and Deals

Jim's Recent Active Listings

$2,895,000
- 5 Beds
- 4.5 Baths
- 5,615 Sq Ft
27 Gammons Rd

Unit 73561458

Newton, MA
This lovely brick Colonial has more than 5600 sqft, this homes features 6 bedrooms & 4.5 bathrooms. The heart of the home is an expansive kitchen with soaring vaulted ceilings and skylights ideal for entertaining. A spacious family room, living room, dining room, play area, mudroom & half bath complete the first level. There is also an in-law apartment on the first floor with it's own entrance

Jim Lowenstern eXp Realty LLC

$2,295,000
- 4 Beds
- 4.5 Baths
- 6,242 Sq Ft
202 R Prospect St

Easton, MA
Located minutes from Gillette Stadium & Patriot's Place. A circular driveway & a dramatic portico entrance welcome you to this custom estate designed for luxurious living and entertaining. It features a chef's kitchen with custom cabinetry, separate Sub-Zero refrigerator and freezer, a Wolf six-burner range with double ovens, two pantries, and an enormous marble island. The kitchen opens to a

Jim Lowenstern eXp Realty LLC

$5,250,000
- 4 Beds
- 4 Baths
- 2,932 Sq Ft
56 Stage Island Rd

Chatham, MA
Perched on the waterfront in Chatham's coveted Stage Island neighborhood, this exceptional 4-bedroom, 4-bath coastal retreat offers 270-degree panoramic views of Stage Harbor, Nantucket Sound, and surrounding tidal marshes. Built to stringent post-Katrina standards and completed in 2011, the home showcases superior construction, reinforced structural tie-downs, and impact-rated windows. Designed

Jim Lowenstern eXp Realty LLC

$4,995,000
- 6 Beds
- 7.5 Baths
- 7,000 Sq Ft
151 Pine Ridge Rd

Waban, MA
The Ultimate Newton Location 1/2 block from Waban Square! Have you been dreaming of working with a respected local design firm to realize your vision of a contemporary home equipped with a chef's kitchen? If you need an expansive home office on a separate level with privacy, comfort and a safe distance from the refrigerator this house has it! This charming village home is a modern masterpiece

Jim Lowenstern eXp Realty LLC

Co-Listing Agent

$2,495,000
- 4 Beds
- 3.5 Baths
- 2,916 Sq Ft
17 Porter St

Somerville, MA
Exceptional build quality and tasteful contemporary design. This home offers soaring ceilings and large windows flooding the home with natural light. Generously proportioned rooms complemented by wide hallways and staircases create a comfortable flow. Thoughtfully designed kitchen and bathrooms. Gas fireplace. Attached two car garage. Professionally landscaped. Monitored fire suppression system,

Jim Lowenstern eXp Realty LLC

Co-Listing Agent

$3,995 per month
- 2 Beds
- 2 Baths
- 1,800 Sq Ft
600 Washington St

Unit 3

Wellesley, MA
Beautifully renovated apartment in Wellesley Square’s historic Washington House. The sprawling space has been completely renovated with new kitchen, bathrooms, and hardwood flooring throughout. Large kitchen with island, Kraftmaid cabinetry, quartz counters and stainless steel appliances. The primary suite contains a sizable en suite bath and walk-in closet with stackable washer/dryer and

Jim Lowenstern eXp Realty LLC

Co-Listing Agent

$3,695 per month
- 4 Beds
- 3 Baths
- 1,800 Sq Ft
583 Watertown St

Unit 583

Newtonville, MA
Large four bedroom apartment in beautiful Victorian home. Updated kitchen with granite counters and stainless steel appliances. Central air. Hardwood floors throughout. High ceilings. In unit laundry. Conveniently located in Newtonville with easy access to Boston. Within close proximity to shopping, fine dining and Whole Foods. Inquire for private showings. Available now.

Jim Lowenstern eXp Realty LLC

Co-Listing Agent

$3,195 per month
- 3 Beds
- 1 Bath
- 1,200 Sq Ft
84 Walker St

Unit 2

Newtonville, MA
Huge apartment in prime Newtonville location. Hardwood Floors throughout. High ceilings and large windows allow for plenty of natural light. Convenient in unit laundry. Large covered porch private to this unit only. Gas heat. Located on a quiet tree lined street. Easy highway and train access. Within close proximity to grocery stores, restaurants, etc. Pets considered.

Jim Lowenstern eXp Realty LLC

Co-Listing Agent

$10,995 per month
- 5 Beds
- 4.5 Baths
- 6,000 Sq Ft
27 Gammons Rd

Unit 27

Newton, MA
Welcome home to this beautiful brick center entrance colonial. Large lot with long driveway leads to attached to car garage. Generously sized rooms with open floor plan. Gleaming hardwood floors throughout. Oversized kitchen with vaulted ceilings, granite counters, stainless steel appliances and large center is make this a great house for entertaining. Living room with fireplace leads to sunroom

Jim Lowenstern eXp Realty LLC

Recently Sold

$1,980,000

Sold Mar 26, 2026
- 4 Beds
- 3.5 Baths
- 3,146 Sq Ft
59 Roundwood Rd

Newton Upper Falls, MA
- 1% Below List
- 5 Days On Market
- $629/SF
- Current Est. Value $2M
Jim Lowenstern eXp Realty LLC

$2,750,000

Sold Oct 31, 2025
- 6 Beds
- 6.5 Baths
- 5,908 Sq Ft
55 June Ln

Newton Center, MA
- 8% Below List
- 74 Days On Market
- $465/SF
- Current Est. Value $3M
Jim Lowenstern eXp Realty LLC

$1,265,000

Sold Apr 7, 2022
- 3 Beds
- 3 Baths
- 2,280 Sq Ft
55 June Ln

Newton Center, MA
- 9% Below List
- 27 Days On Market
- $555/SF
- Current Est. Value $3M
Jim Lowenstern eXp Realty LLC

$3,250,000

Sold Nov 12, 2021
- 5 Beds
- 6 Baths
- 6,650 Sq Ft
0 Byfield Rd

Newton, MA
- 4% Below List
- 129 Days On Market
- $489/SF
Jim Lowenstern eXp Realty LLC

Other Experience

First Time Homebuyers, Investments, Military Families, Veteran's Programs, Senior Communities, Short Sales, Luxury Homes, New Construction, Property Management

Agent License: Massachusetts #449503034

Jim Lowenstern

(857) 226-3394

Jim Lowenstern

About Jim

Transaction History

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Production Over Time

5 Year View

Neighborhoods Jim is Experienced In

Jim's Listings and Deals

Jim's Recent Active Listings

Recently Sold

Other Experience