47.5640° N · 122.3110° WBeacon Hill · Seattle

Site map · 1 parcel© OpenStreetMap contributors © CARTO© OpenStreetMap © CARTO

Mercer International Middle School

1600 S Columbian Way

Beacon Hill, Seattle, WA 98108

CompleteTCO Jul 01, 2025 · CO Aug 28, 2025

Commercial
Institutional
Office
Retail

1 parcel · 25 permitsLast activity Aug 28, 2025

$37.0M

Est. Value

178,003

Total Sq Ft

12,984

Office Sq Ft

Stories

Parking Spaces

Land use

Complete

Construction

Issued Oct 16, 2023

Completed

TCO Jul 01, 2025 · CO Aug 28, 2025

Permits

25 permits · 3 stages

Permit	Status	Submitted	Issued	Finaled	Value	Firm on the permit
Land use2 permits
3038850-LU	Withdrawn	Nov 05, 2021	—	—	$100.0M
	Demolition of two, mid-century public school buildings and construction of a new approximately 174,000 SF public school building. (Mercer Middle School) Submitted Nov 05, 2021
3038851-LU	Withdrawn	Nov 05, 2021	—	—	$100.0M
	Demolition of two, mid-century school buildings and construction of a new approximately 174,000 SF school building. Submitted Nov 05, 2021
Construction1 permit
6867443-CN	Finaled	Nov 05, 2021	Oct 16, 2023	Aug 28, 2025	$37.0M	CORNERSTONE GENERAL CONTRS INC Contractor
	Construction of a new institutional building (Mercer Middle School) occupy per plan. Mechanical included. Submitted Nov 05, 2021Issued Oct 16, 2023Finaled Aug 28, 2025
Demolition22 permits
6867444-DM	Finaled	Nov 05, 2021	Jul 25, 2023	Oct 03, 2023	$100.0M	CORNERSTONE GENERAL CONTRS INC Contractor
	Demolition of existing structure D1 at existing Mercer middle school per plan. Submitted Nov 05, 2021Issued Jul 25, 2023Finaled Oct 03, 2023
6928571-DM	Finaled	Oct 18, 2022	Jul 25, 2023	Aug 25, 2023	$100.0M	CORNERSTONE GENERAL CONTRS INC Contractor
	Demolition of existing portable classroom structure D6 at existing Mercer middle school per plan. Submitted Oct 18, 2022Issued Jul 25, 2023Finaled Aug 25, 2023
6928570-DM	Finaled	Oct 18, 2022	Jul 25, 2023	Oct 03, 2023	$100.0M	CORNERSTONE GENERAL CONTRS INC Contractor
	Demolition of existing portable classroom structure D5 at existing Mercer middle school per plan. Submitted Oct 18, 2022Issued Jul 25, 2023Finaled Oct 03, 2023
6928568-DM	Finaled	Oct 18, 2022	Jul 25, 2023	Oct 03, 2023	$100.0M	CORNERSTONE GENERAL CONTRS INC Contractor
	Demolition of existing structure D2 at existing Mercer middle school per plan. Submitted Oct 18, 2022Issued Jul 25, 2023Finaled Oct 03, 2023
6928569-DM	Finaled	Oct 18, 2022	Jul 25, 2023	Aug 25, 2023	$100.0M	CORNERSTONE GENERAL CONTRS INC Contractor
	Demolition of existing portable classroom structure D4 at existing Mercer middle school per plan. Submitted Oct 18, 2022Issued Jul 25, 2023Finaled Aug 25, 2023
6934543-DM	Finaled	Nov 18, 2022	Jul 25, 2023	Aug 25, 2023	$100.0M	CORNERSTONE GENERAL CONTRS INC Contractor
	Demolition of existing portable classroom structure D3 at existing Mercer middle school per plan. Submitted Nov 18, 2022Issued Jul 25, 2023Finaled Aug 25, 2023
6946135-DM	Withdrawn	Feb 02, 2023	—	—	$200K
	Demolition (removal) of 15 existing portable classroom buildings per plans. Submitted Feb 02, 2023
6951956-DM	Finaled	Mar 08, 2023	Mar 24, 2023	Aug 04, 2023	$4K	ARIES BUILDING SYSTEMS LLC Contractor
	Demolition portable P321 accessory to existing institutional structure (Mercer Middle School) subject to field inspection (STFI) Submitted Mar 08, 2023Issued Mar 24, 2023Finaled Aug 04, 2023
6952121-DM	Finaled	Mar 08, 2023	Mar 24, 2023	Oct 06, 2023	$4K	ARIES BUILDING SYSTEMS LLC Contractor
	Demolition portable P409 accessory to existing institutional structure (Mercer Middle School) subject to field inspection (STFI). Submitted Mar 08, 2023Issued Mar 24, 2023Finaled Oct 06, 2023
6951945-DM	Finaled	Mar 08, 2023	Mar 24, 2023	Oct 06, 2023	$4K	ARIES BUILDING SYSTEMS LLC Contractor
	Demolition portable P316 accessory to existing institutional structure (Mercer Middle School) subject to field inspection (STFI) Submitted Mar 08, 2023Issued Mar 24, 2023Finaled Oct 06, 2023
6951960-DM	Finaled	Mar 08, 2023	Mar 24, 2023	Aug 04, 2023	$4K	ARIES BUILDING SYSTEMS LLC Contractor
	Demolition portable P323 accessory to existing institutional structure (Mercer Middle School) subject to field inspection (STFI) Submitted Mar 08, 2023Issued Mar 24, 2023Finaled Aug 04, 2023
6952122-DM	Finaled	Mar 08, 2023	Mar 24, 2023	Oct 06, 2023	$4K	ARIES BUILDING SYSTEMS LLC Contractor
	Demolition portable P410 accessory to existing institutional structure (Mercer Middle School) subject to field inspection (STFI) Submitted Mar 08, 2023Issued Mar 24, 2023Finaled Oct 06, 2023
6952119-DM	Finaled	Mar 08, 2023	Mar 24, 2023	Oct 07, 2024	$4K	ARIES BUILDING SYSTEMS LLC Contractor
	Demolition portable P326 accessory to existing institutional structure (Mercer Middle School) subject to field inspection (STFI) Submitted Mar 08, 2023Issued Mar 24, 2023Finaled Oct 07, 2024
6951954-DM	Finaled	Mar 08, 2023	Mar 24, 2023	Aug 04, 2023	$4K	ARIES BUILDING SYSTEMS LLC Contractor
	Demolition portable P320 accessory to existing institutional structure (Mercer Middle School) subject to field inspection (STFI) Submitted Mar 08, 2023Issued Mar 24, 2023Finaled Aug 04, 2023
6951949-DM	Finaled	Mar 08, 2023	Mar 21, 2023	Aug 04, 2023	$4K	ARIES BUILDING SYSTEMS LLC Contractor
	Demolition portable P317 accessory to existing institutional structure (Mercer Middle School) subject to field inspection (STFI) Submitted Mar 08, 2023Issued Mar 21, 2023Finaled Aug 04, 2023
6951953-DM	Finaled	Mar 08, 2023	Mar 24, 2023	Aug 04, 2023	$4K	ARIES BUILDING SYSTEMS LLC Contractor
	Demolition portable P319 accessory to existing institutional structure (Mercer Middle School) subject to field inspection (STFI) Submitted Mar 08, 2023Issued Mar 24, 2023Finaled Aug 04, 2023
6952120-DM	Finaled	Mar 08, 2023	Mar 24, 2023	Oct 06, 2023	$4K	ARIES BUILDING SYSTEMS LLC Contractor
	Demolition portable P407/P408 accessory to existing institutional structure (Mercer Middle School) subject to field inspection (STFI) Submitted Mar 08, 2023Issued Mar 24, 2023Finaled Oct 06, 2023
6951951-DM	Finaled	Mar 08, 2023	Mar 24, 2023	Aug 04, 2023	$4K	ARIES BUILDING SYSTEMS LLC Contractor
	Demolition portable P318 accessory to existing institutional structure (Mercer Middle School) subject to field inspection (STFI) Submitted Mar 08, 2023Issued Mar 24, 2023Finaled Aug 04, 2023
6951958-DM	Finaled	Mar 08, 2023	Mar 24, 2023	Oct 06, 2023	$4K	ARIES BUILDING SYSTEMS LLC Contractor
	Demolition portable P322 accessory to existing institutional structure (Mercer Middle School) subject to field inspection (STFI) Submitted Mar 08, 2023Issued Mar 24, 2023Finaled Oct 06, 2023
6951947-DM	Finaled	Mar 08, 2023	Mar 24, 2023	Oct 06, 2023	$4K	ARIES BUILDING SYSTEMS LLC Contractor
	Demolition portable P315 accessory to existing institutional structure (Mercer Middle School) subject to field inspection (STFI) Submitted Mar 08, 2023Issued Mar 24, 2023Finaled Oct 06, 2023
6952118-DM	Finaled	Mar 08, 2023	Mar 24, 2023	Oct 06, 2023	$4K	ARIES BUILDING SYSTEMS LLC Contractor
	Demolition portable P324 accessory to existing institutional structure (Mercer Middle School) subject to field inspection (STFI) Submitted Mar 08, 2023Issued Mar 24, 2023Finaled Oct 06, 2023
6952477-DM	Finaled	Mar 10, 2023	Mar 24, 2023	Oct 06, 2023	$4K	ARIES BUILDING SYSTEMS LLC Contractor
	Demolition portable P406 accessory to existing institutional structure (Mercer Middle School) subject to field inspection (STFI) Submitted Mar 10, 2023Issued Mar 24, 2023Finaled Oct 06, 2023

Permit data from SDCI

The full record

4 sections · with Pro

More about 1600 S Columbian Way

The land and its zoningPro
Parcel numbers, lot sizes, assessed values and zoning
1 parcel
What is inside the buildingPro
Floor areas from 1 of the 25 permits
9 areas
Sales historyPro
Recorded sales of this property, with the date and price of each
Press coveragePlus
News articles about this project, with the date of each

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