Commercial Properties has earned the reputation as one of Maine’s most respected property management firms.

We treat your commercial property like a valuable asset...because it is.

Asset Management . Financial Services . Lease Administration

Residential Leasing . Property Maintenance

24/7 Emergency Pager Service


Commercial Properties Management ("CPM") was established in 2001 in Portland, Maine and currently has a management portfolio  1.2 Million sq ft. of retail, office, medical, residential, and condominium properties.



Commercial Properties, Inc. was established in Portland, Maine in 1978 by Richard J. McGoldrick to engage in the leasing and sales of commercial and industrial property in Northern New England.

Commercial Properties Management LLC (CPM) was established in 2001 by Richard to manage his growing portfolio of development and investment properties. CPM has since expanded its client base to include third party commercial and residential management. In 2016, the Ownership of CPM transferred to three long term employees, who are proud to carry on the long tradition of excellent and courteous service.





Our management services strengthen every aspect of your valuable asset.

No two properties are the same. And neither are any two owners. At Commercial Properties, our management team knows how to make the most of your valuable and unique asset and keep you up to date on what you think is most important. From negotiating with tenants, managing the financials, and maintaining the value in your property, Commercial Properties becomes your trusted guardian.


We believe that managing an asset means cohesively employing a wide range of services in order to maximize the value of a client’s property. Our team specializes in anticipating the needs of a building, its tenants, and owner and proactively working to derail issues before they become problematic. We enjoy helping clients achieve the goals and expectations they have for their properties. CPM successfully collaborates in these key areas:








  • Landlord/Tenant Liaison
  • Maintain Critical Dates/Real Estate Software
  • Manage Tenant Receivables
  • Utility Expense Billings
  • Annual Operating Expense Reconciliation
  • Maintain Tenant Insurance Certificates
  • Ensure Tenant Lease Compliance (Defaults/Notices)
  • SNDA and Estoppel Certificates



• Coordinate Building Maintenance

• Managing positive tenant relationships

• Construction Management

• Coordinate Captial Improvements

• Maintain Life Safety Certifications

• Coordinate Snow/Landscape Contracts

• Maintain Vendor Insurance Certificates

• In-House Maintenance Personnel

• 24/7 Emergency pager Service


  • Financial Reporting
  • Manage Mortgage Obligations
  • Bank Reconciliations
  • Online Bill Paying with AvidXchange
  • Insurance Policy Tracking
  • Year End Tax Information & 1099s
  • Annual Report Filing
  • Notary Public Services


Get In Touch

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Karen Twohig

Owner \ Chief Financial Officer

“I really like to see projects brought from start to finish, and you really get to experience the full spectrum at Commercial Properties. When I hand a client a report, I know that I’m providing a service and a product that I can be proud of.”


As Chief Financial Officer, Karen manages the financial relationship between clients, financial institutions, and mortgage companies. Karen has been with Commercial Properties for over 13 years, and she says, “The decision to come to Commercial Properties was easy. It’s a small company where the goals are clear and everybody works together to accomplish them.”


Her duties range from “helping answer financial questions for owners, preparing financial documents, working with mortgage companies, and performing human resources duties,” she says. “I make sure tenants are paying rent and mortgage payments, that the financials are in order to pay vendors, and that insurance documents for vendors are all in place.” Karen is a Notary Public and holds both a Maine Associate Brokers License and a Certified Property Manager designation. She is also a member of MEREDA, where she is part of the Marketing/Membership Committee. In her spare time, Karen enjoys gardening, traveling, hiking, volunteering, and spending time with family and friends.

Richard J. McGoldrick

Founder / Consultant

Richard McGoldrick founded Commercial Properties Inc.  in 1978 and has initiated or participated in the development of over four million square feet of commercial space in Maine.


Richard is also a founder and officer of Commercial Properties Management LLC, which manages 53 properties in Maine; and Silver Street Development Corporation, which owns over 8,000 apartment units in 13 States.


Active in the community Richard has served as: a former member of the Board of the Finance Authority of Maine (Chair 2000-2002); former co-chair of the Annual Auction of the Boys and Girls Club of Greater Portland and a member of the Investment Committee; a founder and former President of the Maine Real Estate and Economic Development Association; a founder and Board Member of the Maine Business Alliance; McGoldrick serves on the board of Bangor Savings Bank and  Bangor Savings Foundation.

Abigail Cassidy

Owner \ Property Manager

“Tenant retention is my prime objective for each building.  I love the relationships I have with all the tenants; they become family to me. "


Having joined the Commercial Properties Management team in August of 2007, Abigail Cassidy is responsible for directing all maintenance operations for over 1.2 million square feet of commercial and residential space, including contracting vendor services, managing repairs and tenant fit-ups, negotiating annual client contracts, gathering bids and building permits for capital projects, and coordinating all preventative maintenance. “Essentially, we reduce the stress of the building owner through total asset management,” she says. “Along with providing top-notch service, we make sure buildings are maintained up to code and that tenants are happy.”


Originally from Brunswick, Maine, Abigail received her Associates Degree in criminology, and pursued her Bachelor’s Degree in Business Administration at the University of Southern Maine. According to Abigail, “I love real estate and business. Coming from an entrepreneurial family, I always knew that I wanted to get into this industry.” Abigail is also very dedicated to broadening her knowledge of the industry and furthering her education. Currently, she is pursuing her license as a notary and working toward her designation as a Certified Commercial Investment Member (CCIM). Abigail currently lives in Freeport with her family.

Patty Dugas

Owner \ Lease Administrator

"When a tenant has a thriving business, the Landlord does too.  I enjoy being part of that relationship."


Patty Dugas joined Commercial Properties in 2008 as our Lease Administrator. Prior to joining our team, Patty spent fifteen years managing tenancies for one of the largest convenience store/gas station chains in the County. Collectively Patty has over 20 years of experience in managing all aspects of the Tenant/Landlord relationship with hundreds of both "Mom & Pop" and National Tenants. Daily activities include: Tenant/Landlord liaison; accurate accounting of Tenant receivables; maintaining and tracking critical dates (commencement, expiration, option periods, etc) through RE software; Lease enforcement (defaults/notices); securing proper insurance certificates; various utility, tax, and operating expense billings (monthly, quarterly, annual escrow reconciliation); document drafting (leases, amendments, mutual terminations, commencement notices, etc.) securing Estoppel Certificates and SNDA's.


Recently Patty became an Owner of Commercial Properties Management and states: "It is an exciting time for our Company. We are truly committed to providing our clients with consistently high level of attention and service."

Leonard Berube

Accounting Administrator

Leonard joined Commercial Properties Management in January of 2015 as a temporary employee to assist us through the busy tax season. We learned of Leonard’s eagerness to tackle difficult jobs and how well he fit in with our team and are pleased that he joined our team permanently in July. Leonard is working closely with the CFO and Leasing Administrator to provide timely accurate reporting to owners and billings to tenants. Leonard has a great eye for detail and enjoys a challenge.


Previously, Leonard served in both the U.S. Navy and the Massachusetts Army National Guard. He received a Bachelor’s Degree in Spanish from Bridgewater State College and held a Residential Real Estate Sales license and a Construction Supervisor license. Leonard was the owner/operator of Berube Carpentry for several years before moving to Maine in 2010. After moving to Maine, Leonard received a Certificate of Accountancy from the University of Southern Maine. When Leonard isn’t working he enjoys home improvement projects, church fellowship and spending time with his wife and two children.

Caroline Viall

Lease Administrator

Caroline moved to Maine from Boston and joined Commercial Properties Management in the Fall of 2016.   Before joining the CPM team Caroline was the Operations Manager at one of Boston's Financial District High Rises where she assisted in managing the 800,000 square feet downtown tower.


Caroline is a graduate of Endicott College where she got the opportunity to spend a semester studying abroad in Florence, Italy.  Caroline lives in Portland with her Husband and Golden Retriever Buoy.  In her free time Caroline enjoys spending time with her family and friends, cooking, and going on hikes with her dog.

Amato Polselli

Property Manager

Amato Polselli moved to Portland, Maine from Denver, Colorado. He has been working in Property Management for over five years, ensuring increased customer retention and continuity, building rapport with owners, bridging communication between vendor and occupant as well as increasing occupancy. Passionate about property management and the waterfront, the move to Portland was a natural fit. He is grateful to be a team player for Commercial Properties Management, which allows him the opportunity to use his skillset to further expand their inspiring, residential portfolio.


In his spare time, Amato tries not to faint in hot yoga with his life partner, Sarah, and enjoys mountain biking. | Office:  207.347.4480

4 Milk Street, Suite 103 Portland, ME  04101 |  207.774.1885 |

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