About Alex

Meet Alex Santiago

A Realtor and investor turning Greater Boston real estate into your reality.

Hello, I'm Alex.
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Hello, I'm Alex.

I'm Alex Santiago, a residential Realtor serving Brookline, Newton, Chestnut Hill, Boston, Cambridge, and communities throughout Greater Boston and Massachusetts. Every real estate transaction is different, and I believe the best results come from combining local market expertise, thoughtful strategy, honest communication, and strong negotiation. My clients appreciate that I take the time to understand their goals, explain every step of the process, and provide straightforward advice they can trust.

Real estate is about more than properties—it's about people, families, and building the life you envision. As both a local homeowner and a parent raising a family in Brookline, I understand the questions buyers ask because I've asked them myself. From school districts and commuting options to neighborhood amenities and long-term investment value, I'm committed to helping my clients find not just the right house, but the right place to call home.

Whether you're looking to buy or sell in Brookline, Newton, Chestnut Hill, Boston, Cambridge, Jamaica Plain, Brighton, or another Greater Boston community, I'd be honored to help guide your next move with local expertise, personalized service, and a commitment to exceptional results.

Alex Santiago

Honest Guidance

I tell you what I'd do if it were my own money — no pressure, no spin, just straight advice.

Value-First Thinking

My investor's eye means every purchase and sale is measured against real market value and resale potential.

Coordinated Moves

For families buying and selling at once, I sync the timelines so both sides work in your favor.

Steady Communication

You'll always know where things stand, from the first showing to the closing table.

Alex's sales record

Alex Santiago has closed 11 sales since Nov 2024 (4 as the listing agent, 7 representing buyers), mostly in Brookline, Boston and Foxboro, at prices from $670K to $2M.

Property at 67 Newbern Ave, Medford, MA 02155
1 / 29
Sold

$1,035,000

Listed at $999,000

67 Newbern Ave, Medford, MA 02155

4 bds
|
2 ba
|
2546 sqft
MLS® 733965032 Family - 2 Units Up/Down
Keller Williams Realty - Alex Santiago
Property at 42 Browne Street #3, Brookline, MA 02446
1 / 15
Sold

$725,000

Listed at $749,000

42 Browne Street #3, Brookline, MA 02446

1 bds
|
1 ba
|
872 sqft
MLS® 73369539Condominium
Keller Williams Realty - Alex Santiago
Property at 4 Balcom Drive, Foxboro, MA 02035
1 / 26
Sold

$730,000

Listed at $699,000

4 Balcom Drive, Foxboro, MA 02035

2 bds
|
2.5 ba
|
1756 sqft
MLS® 73369578Single Family Residence
Keller Williams Realty - Alex Santiago
Property at 7 Kent Sq, Brookline, MA 02446
1 / 25
Sold

$1,215,000

Listed at $1,299,999

7 Kent Sq, Brookline, MA 02446

3 bds
|
2.5 ba
|
1560 sqft
MLS® 73276668Single Family Residence
Keller Williams Realty - Alex Santiago

Source: MLS PIN closed sales, Nov 2024–Nov 2026.

What clients say about Alex

Alex priced our home perfectly and negotiated a great outcome. His understanding of the Greater Boston market really showed.
Home Seller · on Zillow
We bought our Brookline condo with Alex and couldn't be happier. He was responsive, knowledgeable, and made the whole process feel easy.
Verified Buyer · on Redfin
Alex helped us find the right home for our growing family in Brookline. His background as an investor gave us real confidence in the value of the property we bought.
Verified Client · on Zillow

Towns Alex serves

Selling your home with Alex

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Ready to start your journey?

Whether you are looking to buy, sell, or simply want to understand the market better, I'd love to chat.