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We build homes people are proud to live in, in neighborhoods they already love.

Olsen Anderson develops homes and communities that strengthen neighborhoods and enrich the everyday lives of the people who live in them.

Our Story

Olsen Anderson is a Seattle developer, builder, and general contractor. We started in 2016 because of a gap we kept running into: on infill sites, the developer, the builder, and the owner are usually three different companies. Drawings get handed down a chain, problems get handed back up, and the person who eventually lives there inherits whatever fell through the middle.

 

We do all three ourselves. One team owns the home from the first site walk to the day you get the keys, which means the people who design it are the people who build it.

Sincerely, 

 

Aegir Olsen & Grant Anderson

Founders & Managing Partners

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What "done right" means

The Olsen Anderson Standard is our written spec for how a home gets built: the envelope that keeps Seattle rain out, the wall assemblies that keep your neighbors' evening on their side, the roofs and decks that don't need redoing in year eight. Most of it you'll never see. That's the point. We'll show you anyway.

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We stay

Every new home settles in its first year. Small things show up. Most builders call that your problem. We come back near your first anniversary, go through the home with you, fix what's on the list, and refresh the finishes.

And we don't leave the block. We own and manage homes on the same streets we build on, which means we're neighbors, not a company that was here for a while. You build differently when you're staying.

Come see one.

We'd rather walk you through a home than tell you about it.

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Leadership Rooted in Experience and Accountability

Olsen Anderson is led by a team with deep experience in residential development and construction across the Seattle region.

Our leadership believes that development works best when responsibility is clear and decisions are made with long-term outcomes in mind.

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Aegir Olsen
Founder & Managing Partner

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Grant Anderson
Founder & Managing Partner

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Jerri Harden
CFO

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David Leon
Director of Acquisitions & Development

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How we work

Every project runs the same five steps. We call it the Olsen Anderson Way.

Find the block

We build where people already want to live, in neighborhoods worth staying in.

Design for the life

We start with the person who'll live here: how they actually spend a day, what they'll wish they had in year five.

Build to the standard

One team, land to keys, held to a written definition of done right.

Hand over the keys

Orientation, final punch, delivered complete with zero outstanding items.

Stay

The warranty year, and then some.

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Ready to Take the Next Step?

Whether you’re exploring a home, evaluating your land, or considering a partnership — we’re here to help.

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Olsen Anderson is an infill real estate developer and homebuilder focused on delivering thoughtfully designed, well-built homes in established Seattle & Eastside neighborhoods.

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Olsen Anderson is a Seattle-based homebuilder unlocking invaluable access to new homes in the city’s most vibrant neighborhoods. We build design-driven infill communities where new construction is rare and in demand. Our customer-focused solutions include move-in ready homes, the ability to customize select pre-construction opportunities, and thoughtfully curated designs that reflect modern Seattle living. Subject to certain restrictions; see your Purchase and Sale Agreement for details.

Home, pricing, and community information is subject to change, on homes prior to sale, at any time without notice or obligation. Square footages and dimensions are approximate and may vary in construction and depending on the standard of measurement used, engineering and municipal requirements, or other site-specific conditions. Not an offer or solicitation to sell real property. ©2025 Olsen Anderson. All rights reserved.

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