
Get to know The Gillach Group
Principle
Mary.Gillach.WG93@Wharton.UPenn.edu
WHY CHOOSE THE GILLACH GROUP?
Deep Market Expertise - Mary brings a Wharton MBA and 30+ years of success in sales, marketing and executive management to our clients. The business acumen and work ethic that powered a successful career in corporate America have transferred seamlessly to real estate. Data and analysis - check! Negotiation savvy - check! White glove service - check, check, c...
Premier Lenders
Team listings & sales (1198)
For Sale (7)
Address | Bed/Bath | Listing price |
---|---|---|
![]() 273 Walden St #2 Cambridge, MA 02138
| 2 Bed, 1 Bath | $900,000 |
![]() 6 Juniper St APT 16 Brookline, MA 02445
| 3 Bed, 1 Bath | $729,000 |
![]() 36 Allerton St Brookline, MA 02445
| 5 Bed, 5 Bath | $4,350,000 |
![]() 138 Mason Ter #1 Brookline, MA 02446
| 3 Bed, 2 Bath | $1,775,000 |
![]() 202 Maverick St #302 Boston, MA 02128
| 2 Bed, 2 Bath | $895,000 |
Sold (1191)
Address | Sold date | Closing price | Represented | Flag Sale |
---|---|---|---|---|
9/24/2025 | $2,750,000 | Seller | ||
9/18/2025 | $3,950,000 | Seller | ||
9/11/2025 | $535,000 | Seller | ||
7/17/2025 | $1,075,000 | Seller | ||
7/11/2025 | $760,000 | Seller |
Team reviews (218)
Write a review- Highly likely to recommend||5.05.0
9/19/2025 - user2163933
Sold a Single Family home in 2025 in West newton, Newton, MA.Local knowledgeProcess expertiseResponsivenessNegotiation skillsTerrific job from start to finish! Including all of the details. Strong local market knowledge. Did a great job making sure there were no loose ends. Terrific job from start to finish! Including all of the details. Strong local market knowledge. Did ... - Highly likely to recommend||5.05.0
7/4/2025 - Kevin Boudreau
Bought and sold a home in 2025.Local knowledgeProcess expertiseResponsivenessNegotiation skillsI’ve now worked with Mary’s team on four separate real estate transactions—two on the sell side, two on the buy side. In each case, there were unique circumstances, time pressures, and a need to navigate a host of complex factors. Throughout, the G... - Highly likely to recommend||5.05.0
6/14/2025 - zuser20150504142626459
Bought and sold a home in 2025.Local knowledgeProcess expertiseResponsivenessNegotiation skillsThe Gillach Group helped us sell our home and purchase a new property. They held our hands through the process of preparing our home for sale with introductions to professionals to help us with small maintenance tasks including painting and handyman ... - Highly likely to recommend||5.05.0
5/14/2025 - ltedesco137
Bought a Single Family home in 2025 in West newton, Newton, MA.Local knowledgeProcess expertiseResponsivenessNegotiation skillsI cannot recommend Mary and the Gillach group highly enough. This was our first time buying a home, and my wife and I had a lot to learn. Before we even selected Mary as our agent, she spent multiple hours talking with me, answering questions, and sh... - Highly likely to recommend||5.05.0
5/10/2025 - elaine taylor9
Bought a home in 2025.Local knowledgeProcess expertiseResponsivenessNegotiation skillsI recently moved to Massachusetts from Delaware. I chose The Gillach Group based on the overwhelming number of rave reviews of Mary and her team. I was not disappointed! From my initial home searching process through to the closing and beyond, Mary...
Service areas (20)
- Cambridge, MA
- Concord, MA
- Belmont, MA
- Brookline, MA
- Lexington, MA
- Needham, MA
- Waltham, MA
- Brighton, Boston, MA
- Newton, MA
- Watertown, MA
- Wellesley, MA
- Winchester, MA
- Weston, MA
- Medford, MA
- Somerville, MA
- Jamaica Plain, Boston, MA
- Roslindale, Boston, MA
- West Roxbury, Boston, MA
- Back Bay, Boston, MA
- South End, Boston, MA