Capitol Hill · Seattle
Verified Data Updated May 2026Union Arts Co-op
1100 E Union St
Union Arts Co-op: Key Facts
Profile by Jeff Reynolds, Seattle Condo Specialist · Compass Real Estate · 20+ years, 500+ transactions
Live Listings at Union Arts Co-op
Jeff's Live SearchNo active listings at Union Arts Co-op right now.
As of August 10, 2026. Units here move quietly. See recent sales and get alerted the moment one lists.
Listings courtesy of NWMLS as distributed by MLS Grid. Listing data as of August 10, 2026. Listing counts and pricing come from the live MLS feed and are shown separately from the Seattle Condo Authority building profile above.
Get new-listing alerts for Union Arts Co-op
New listings and price changes at Union Arts Co-op, emailed to you the day they happen. A building-level watch only Jeff runs. No account needed.
You are on the list.
New listings and price changes at Union Arts Co-op will land in your inbox. No account needed, unsubscribe anytime.
Direct from Jeff Reynolds, Compass Real Estate. No spam, no portals, unsubscribe anytime.
About Union Arts Co-op
Union Arts Co-op is a Mid-Rise building in Capitol Hill, Seattle. Built in 1916 with 12 residences across 3 stories.
Union Arts Co-op sits in one of Seattle’s most walkable neighborhoods, surrounded by restaurants, parks, and Volunteer Park.
Building Details
| Address | 1100 E Union St |
| Neighborhood | Capitol Hill, Seattle |
| Year Built | 1916 |
| Total Units | 12 |
| Stories | 3 |
| Type | Mid-Rise |
Union Arts Co-op is positioned a short transit ride to downtown and South Lake Union employment centers, with Capitol Hill light rail station and direct downtown bus connections.
Frequently Asked Questions
Where is Union Arts Co-op located in Seattle?
Union Arts Co-op is located in Capitol Hill, Seattle at 1100 E Union St. The building is positioned in one of Seattle’s most walkable neighborhoods, surrounded by restaurants, parks, and Volunteer Park.
How many units does Union Arts Co-op have?
Union Arts Co-op has 12 units across 3 stories in a mid-rise format. The building was completed in 1916. Contact Jeff Reynolds for current unit availability, recent comparable sales, and listing data at Union Arts Co-op.
What year was Union Arts Co-op built?
Union Arts Co-op was built in 1916, making it about 110 years old. Buildings of this vintage are at or approaching major capital expenditure cycles for systems like roofs, elevators, plumbing, and facade components. A strong reserve fund and current reserve study are essential safeguards for buyers in buildings of this age.
Authority Pathways
Next Research Steps for Union Arts Co-op
Follow the verified building record into the related guides, comparison tools, and neighborhood context buyers use before making an offer.
Authority Hub
Seattle Condo Authority
See how Union Arts Co-op fits into the broader Seattle Condo Authority research system.
Registry
Building Registry
Compare building age, unit count, HOA signals, and neighborhood context across the registry.
Neighborhood
Capitol Hill Guide
Review nearby buildings, lifestyle context, and buyer tradeoffs in Capitol Hill.
Compare
Compare Buildings
Compare Union Arts Co-op against other condo buildings side by side.
Buyer Resource
Seattle Condo Buyer Guide
Move from building research into offer strategy, resale certificate review, and closing logistics.
More in Capitol Hill
Nearby Buildings
The Building Check
Get Jeff's read on Union Arts Co-op before you offer
HOA financial health, reserve funding, special-assessment risk, rental caps, and honest resale outlook. Jeff evaluates the building, not just the listing, the same way he has for 20+ years and 500+ transactions.
Free, specific to Union Arts Co-op, and yours whether or not we ever work together.
Send me the Union Arts Co-op Building Check
Request received.
Jeff will put together his read on Union Arts Co-op and send it to your inbox shortly.
Direct from Jeff Reynolds, Compass Real Estate. No spam, no portals, unsubscribe anytime.
Jeff Reynolds
Seattle Condo Specialist · Compass Real Estate · 20+ Years
Jeff Reynolds has spent 20+ years exclusively focused on Seattle's condo market, closing 500+ transactions and personally profiling 210+ buildings. His building-level expertise, grounded in HOA financials, reserve fund health, construction quality, and resale performance, is the foundation of every recommendation on this site. Have a question about Union Arts Co-op?