Updated: May 11, 2026
Location and Projects
Address
222 WILLIAMS AVE. # 100, Renton, WA, 98057
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Ameresco Quantum Construction
Serving public and private sector clients throughout Renton, WA, Ameresco Quantum Inc specializes in energy efficiency and performance contracting projects. With over 25 years of experience, the company focuses on design-build solutions that help organizations upgrade mechanical, electrical, and control systems to reduce energy consumption and lower operational costs. Ameresco Quantum Inc undertakes a range of projects including HVAC system upgrades, lighting retrofits, building automation, and energy management system installations. The firm works with commercial buildings, municipal facilities, educational institutions, and healthcare properties, providing turnkey services from initial energy audits to project implementation and ongoing measurement and verification. Emphasizing sustainable and cost-effective solutions, Ameresco Quantum Inc leverages advanced technologies and proven methodologies to deliver measurable energy savings.
Ameresco Quantum Inc Services
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Ameresco Quantum Inc Contact Information
Phone Number: (206) 708-2834
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Address: 222 WILLIAMS AVE. # 100, Renton, WA 98057
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Rooftop hvac installation per plan
Valuation:
$185,000
Permit #:
6651623-ME
Status:
final
Fee:
$3,289
Permit Type:
N/A
Building Type:
Commercial
Replace 4 existing gas fired water heaters with new central water heaters of equivalent size/capacity
Valuation:
$180,000
Permit #:
PLM-21-92
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing gas fired water heaters with new central gas fired water heaters
Valuation:
$180,000
Permit #:
PLM-21-91
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tahoma school district appliance replacementsreplace existing mechanical equipment with new of equivalent size and capacity. replace ddc controls
Valuation:
$1,800,000
Permit #:
MEC-21-320
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing mechanical equipment with new of equivalent size/capacity. replace ddc controls
Valuation:
$1,800,000
Permit #:
MEC-21-319
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace suspended ceilings on 5th floor of existing classroom building subject to field inspection (stfi)
Valuation:
$60,000
Permit #:
6566602
Status:
Permit Issued
Fee:
$1,212
Permit Type:
Commercial
Building Type:
N/A
Replace 13 existing wshp and replace the pvc condenser water loop piping and condensate line with copper per plan
Valuation:
$0
Permit #:
6562535
Status:
Permit Issued
Fee:
$2,783
Permit Type:
Commercial
Building Type:
N/A
Install solar hot water system for domestic hot water
Valuation:
N/A
Permit #:
B1308730MECH
Status:
complete
Fee:
$40
Permit Type:
Remodel
Building Type:
N/A
Replace 2 chillers with one replace dx coil with water coil
Valuation:
$600,000
Permit #:
B1301459BLDC
Status:
complete
Fee:
$5,593
Permit Type:
N/A
Building Type:
N/A
Auburn supermall retail a: new fixtures
Valuation:
N/A
Permit #:
SWR14-0341
Status:
final
Fee:
N/A
Permit Type:
New connection
Building Type:
N/A
Highland heights block 3 lot 9 single family residence: 1651 sq ft main. 1651 sq ft unfinished basement with 677 sq ft garage. 3 bedrooms 2 finished baths and 1 unfinished bathroom
Valuation:
$150,000
Permit #:
BLD-2000-00900
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Retrofit hid system to flourscent
Valuation:
N/A
Permit #:
E0012-107
Status:
final
Fee:
$2,383
Permit Type:
N/A
Building Type:
N/A
Replace lighting fixtures with energy efficient ones
Valuation:
N/A
Permit #:
01 110422 BF
Status:
final
Fee:
$626
Permit Type:
N/A
Building Type:
N/A
Replace gas to gas water heater 40k btu in furnace room no new piping
Valuation:
N/A
Permit #:
BLD20060235
Status:
FINAL
Fee:
$0
Permit Type:
40 - mechanical/s...
Building Type:
711 cultural acti...
Retrofit lighting fixtures
Valuation:
N/A
Permit #:
E0012-110
Status:
final
Fee:
$1,308
Permit Type:
N/A
Building Type:
N/A
Retrofit lighting fixtures
Valuation:
N/A
Permit #:
E0012-108
Status:
final
Fee:
$1,315
Permit Type:
N/A
Building Type:
N/A
Lds church - alter
Valuation:
$350,000
Permit #:
CNST-2082059
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install mechanical equipment for mcneil island dshs special commitment center
Valuation:
$0
Permit #:
697001
Status:
Final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install plumbing fixtures & gas piping related to the two boiler installations in building b -- bpco #61
Valuation:
$0
Permit #:
616257
Status:
Final
Fee:
$137
Permit Type:
N/A
Building Type:
N/A
Construct partition walls and lid for a new boiler room inside building u mech#616380 & plumbing #61638
Valuation:
$6,000
Permit #:
623655
Status:
Final
Fee:
$199
Permit Type:
N/A
Building Type:
Jal
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Verified License
BuildZoom confirmed this contractor's license
Ameresco Quantum Inc License info
Verified License
| License # | AMEREI*004PZ |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Corporation |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Ameresco Quantum Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AMEREI*004PZ |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Ameresco Quantum Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 25644 |
| Status | Active |
| City | Pasco |
| Type | Contr General |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of July, 2023. Check the current license status of Ameresco Quantum Inc with the The City of PASCO, WA
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | QUANTED016DW |
| Status | Inactive |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Corporation |
| Business Type | Corporation |
- According to the The City of Tukwila, WA, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Ameresco Quantum Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AMEREQI892D2 |
| Status | Inactive |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Corporation |
| Business Type | Corporation |
- According to the The City of Tukwila, WA, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Ameresco Quantum Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | QUANTED016DW |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- According to the Washington State Department of Labor & Industries, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Ameresco Quantum Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AMEREQI892D2 |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- According to the Washington State Department of Labor & Industries, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Ameresco Quantum Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
Insured
| Insurer | Zurich American Ins Co |
| Insured up to | $2,000,000 |
Bonded
| Bonded Agent | Western Surety Co |
| Bond Value | $12,000 |
47
Permits
- Building permit records show that Ameresco Quantum Inc has worked on 47 permitted projects.
Ameresco Quantum Inc Employees
Agent
AS
Andrew Spence
Treasurer
CS
C T Corporation System
Agent
DA
David Anderson
Vice President
DC
David Corrsin
Secretary
GS
George Sakellaris
President
GS
George Sakeuaris
GS
George Sakillaris
President
GH
Gordon Helgeson
Secretary
JM
John Martin
MC
Mark Chiplock
Treasurer
MD
MARTIN, JOHN D
MD
Michael Dean
Vice President
MO
Michael O'connor
Vice President
RH
Ronald Haxton
Vice President
SP
Sakellaris, George Peter
Owner
SP
SAKEUARIS, GEORGE P
SP
Sakillaris, George Peter
Owner
SH
Spencer Hole
Chief Financial Officer