A clear path leading home through a bright painterly landscape

Your agent, chosen by you.

HM

Helen MacMahon

Gold

Sheridan-MacMahon Ltd.

One person can change how the whole move feels.

Know who is beside you before the first meeting.

Public showcaseTransaction contextConnected to your Move

About Helen

Helen MacMahon is a real estate professional with Sheridan-MacMahon Ltd., specializing in The Plains, Middleburg, Warrenton and surrounding areas. Helen brings proven local market expertise to every client.

Areas of Expertise

The PlainsMiddleburgWarrentonPurcellvilleMarshall+4 more

Active in 10 ZIP codes across VA

Sign up free to see Helen MacMahon's full performance data

See total sales, negotiation stats, average days on market, and more.

Create free account

Already have an account? Sign in

smover move

Working with Helen MacMahon?

Keep selected documents, agent-confirmed milestones, and team updates in one private workspace.

Want to meet this agent online before meeting in person?

Tell smover what you are planning. We will help you take the safer next step.

Recent Activity

Latest updates and market insights from Helen MacMahon

No posts yet

Helen MacMahon hasn’t shared any updates yet. Check back soon for market insights and activity.

Explore More in The Plains

Agents in The Plains

Verified by performance, interview for free

Selling Your Home?

See how smover connects you with the right agent

The Plains Neighborhood Guide

Schools, lifestyle, and market insights

Search Homes in The Plains

AI-powered home search with photos and data

Similar agents in The Plains

Michael Gillies

EXP Realty, LLC

verified transaction records

Matias Leiva

Keller Williams Realty

verified transaction records

Wes Stearns

M.O. Wilson Properties

verified transaction records

Frequently Asked Questions

What areas does Helen MacMahon serve?

Helen MacMahon is most active in The Plains, Middleburg, Warrenton, Purcellville, Marshall. Coverage on smover comes from verified transaction records, not self-reported service areas.

What brokerage is Helen MacMahon with?

Helen MacMahon is affiliated with Sheridan-MacMahon Ltd..

How does smover verify Helen MacMahon's track record?

smover uses verified transaction records. Create a free account to learn more about Helen MacMahon's real estate experience.

Get weekly market updates

Join buyers, sellers, and agents across Northern Virginia getting weekly market updates, new listings, and tips. Free, every Monday.

Trusted in Arlington, Alexandria, Fairfax, and 19 more cities

Unsubscribe anytime. We respect your inbox.

Listing information is provided through IDX courtesy Keller Williams Capital Properties.

© 2026 BRIGHT, All Rights Reserved

Information Deemed Reliable But Not Guaranteed.

View full MLS disclosures

The data relating to real estate for sale on this website appears in part through the BRIGHT Internet Data Exchange program, a voluntary cooperative exchange of property listing data between licensed real estate brokerage firms in which Keller Williams Capital Properties participates, and is provided by BRIGHT through a licensing agreement.

The information provided by this website is for the personal, non-commercial use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

Some properties which appear for sale on this website may no longer be available because they are under contract, have Closed or are no longer being offered for sale.

Some real estate firms do not participate in IDX and their listings do not appear on this website. Some properties listed with participating firms do not appear on this website at the request of the seller.

This home sale information is not to be construed as an appraisal and may not be used as such for any purpose.

BRIGHT MLS is the (or a) provider of this home sale information and has compiled content from various sources. Some properties represented may not have actually sold due to reporting errors.