Atlanta REALTOR® · Compass I don’t just know the streets of Atlanta. I know the people who live on them.

Professional real estate services for people making their move in Atlanta.

5.0 on Zillow · 10 reviews
Mason Koski, Atlanta real estate agent, smiling in a white top and black trousers
Atlanta raised · Local Realtor

Why work with me

Atlanta Native

Mason grew up in Decatur and has lived in Atlanta almost her whole life. You’ll receive local insights and expertise.

More about Mason →

Personalized Service

The highest service is top priority. Mason will advocate on your behalf and tailor the experience to your specific real estate needs.

Real Estate Experience

Mason’s experience in the industry, along with her brokerage’s support, will carry you through the process with ease.

0 10 reviews on Zillow →
In their words

Five star service every time.

Communicative, professional, knowledgeable, and genuinely invested in helping us find the perfect home. She was even able to find us an off-market home in the neighborhood we wanted to be in.

Shelby S.Bought a townhouse in Avondale Estates, 2026

Mason went above and beyond to help us find our first home. She knows Decatur very well and helped us choose the best neighborhood for our commutes, routines, and hobbies.

Cole M.First-time buyer, North Decatur, 2025

She was our second realtor after going four months with no offers. Within 24 hours of listing with Mason, we had an offer for list price.

Jon W.Sold a single-family home, Johns Creek, 2026

All reviews from Mason’s public Zillow profile.

The network

The people I bring to every deal.

Agent Relationships

Real relationships with other agents mean I hear about homes before they list. My buyers have landed houses that never reached the open market.

Inspectors & Trades

Inspectors, contractors, and structural engineers I trust to get in the crawlspace and tell you the truth about a house while the due diligence clock is running.

Attorneys & Lenders

Closing attorneys and lenders who answer the phone, hit their deadlines, and have closed with me enough times to know exactly how I work.

Mason Koski, Atlanta REALTOR® with Compass, standing in the Compass Atlanta office lobby
Meet Mason

Atlanta born, Compass backed.

A Decatur native and magna cum laude UGA graduate, Mason has sold millions in volume while guiding clients, family, and friends through every step of buying and selling — now with the marketing and network of Compass behind her.

Read my story
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