The Grand Union Team
We're a tight team with a clear way of doing things: smart advice, honest guidance, and deals handled right. We know the market, we know the block, and we care what happens after the sale.
About Us
The Grand Union Team
We're a tight team with a clear way of doing things: smart advice, honest guidance, and deals handled right. We know the market, we know the block, and we care what happens after the sale.
Still Not Sure Where to
Start? Contact Us.
Ready to embark on your real estate journey? Contact us today to schedule a consultation with one of our experienced agents.
Tyler Koski
Founder & Principal Broker
Tyler leads Grand Union with deep Portland roots and a long view of what real estate can do. He helps buyers, sellers, and investors make smart, grounded decisions in a market that often feels noisy and rushed. Clients trust him for clear thinking, calm guidance, and strategy that serves both the deal and the bigger picture.
Michael Harris
Co-Founder & Broker
Michael is a Portland native and Grand Union broker who helps buyers and sellers navigate the Oregon market with confidence. He combines local knowledge, thoughtful strategy, and clear communication to make the process feel smooth, transparent, and well guided from start to close.
Janikka Byman
Managing & Designated Broker
As a longtime Portland-area resident and licensed broker since 2004, Janikka helps buyers and sellers make confident moves in a market that can feel fast, emotional, and unpredictable. Clients trust her for steady guidance, sharp attention to detail, and the kind of calm problem-solving that keeps deals moving from start to close.
About Us
EVERY DEAL GIVES BACK
Every Deal
Gives Back
Grand Union was built on the belief that real estate is more than a transaction. So a portion of every deal goes back into the community: funding partners advancing housing access, youth development, and the long-term resilience of the PNW.
PROUD TO PARTNER WITH
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Why Work With Grand Union
We help you make the next move with context, honesty, and a strategy built around your life, not just the market.
Story-first. NOT transaction-first
Your goal, timing and risk tolerance drive the plan, not the listing cycle.
Region- and neighborhood-specific strategy
Pricing, timing, inventory, and trade-offs change block by block. We help you read the local picture.
Clarity when it counts
You'll get the full truth on trade-offs before you're on the hook.
The Extended Team
Real estate doesn’t happen alone. Grand Union works with a trusted network of inspectors, contractors, coordinators, stagers, and community partners we know and trust. If you need a referral, we’re happy to connect you with the right people.
The Grand Union Team
Grand Union is a tight team with a clear way of doing things: smart advice, honest guidance, and deals handled right. We know the market, we know the block, and we care what happens after the sale.
Tyler Koski
Founder & Principal Broker
Tyler leads Grand Union with deep Portland roots, helping buyers, sellers, and investors make smart, grounded moves in a noisy market.
Clients trust him for calm guidance, clear thinking, and strategy that serves both the deal and the bigger picture.
Michael Harris
Operations & Clent Experience
Michael is a Portland native and Grand Union broker who helps buyers and sellers move through the Oregon market with clarity and confidence.
Clients value his local knowledge, thoughtful strategy, and steady communication from start to close.
Janikka Byman,ABR, PSA
11 yr, 5 Star Professional Award Winner
A Portland local since 2004, I bring deep market knowledge, calm guidance, and a service-first mindset to every move. Buying or selling a home is personal: it is about security, possibility, and peace of mind.
I help clients navigate the process with clarity, care, and confidence.
PROUD TO PARTNER WITH
Building permanently affordable homeownership opportunities.
Connecting youth to nature through hands-on learning and community.
Why Work With Grand Union
We help you navigate them with context, honesty, and a strategy built around your life, not just the market.
Why Work With Grand Union
We help you make the next move with context, honesty, and a strategy built around your life, not just the market.
Story-first. NOT transaction-first
Your goal, timing and risk tolerance drive the plan, not the listing cycle.
Region- and neighborhood-specific strategy
Pricing, timing, inventory, and trade-offs change block by block. We help you read the local picture.
Clarity when it counts
You'll get the full truth on trade-offs before you're on the hook.
Still Not Sure Where to
Start? Contact Us.
Ready to embark on your real estate journey? Contact us today to schedule a consultation with one of our experienced agents.
Still Not Sure Where to
Start? Contact Us.
Ready to embark on your real estate journey? Contact us today to schedule a consultation with one of our experienced agents.
Buy, sell, or invest with a team that knows the house, the block, and the stakes behind the deal. Grand Union brings local context, disciplined strategy, and a commitment to leaving something useful behind.
Copyright (c) 2026 Grand Union
Buy, sell, or invest with a team that knows the house, the block,
and the stakes behind the deal.
Good real estate should protect the client and strengthen the place.
Whether you are buying, selling, or investing, Grand Union brings local context, disciplined strategy, and a commitment to leaving something useful behind.
Copyright (c) 2026 Grand Union
Copyright (c) 2026 Grand Union