Location and Projects
Address
1101 2nd Ave, Seattle, WA, 98101
Use our bidding system to
request a quote
Coffman Engineers, Inc Photos
Coffman Engineers, Inc
Coffman Engineers is a locally-driven engineering firm reinforced by a national network of 600+ employees offering multidiscipline capabilities. Our teams and processes scale quickly and move nimbly, allowing us to provide engineering solutions that are smart, practical, efficient, and have a positive impact on cost, scope, and schedule. Our relationships internally and across offices help us succeed. Our clients find they benefit from our size, extensive experience, and diversity.
Whether intricate or large-scale, Coffman provides clients with integrated design solutions that produce consistent and complete design packages. Regardless of the scope of the project, clients receive the benefit of Coffman’s multidiscipline approach. We have utilized this integrated approach since 1979 to deliver workable and dependable engineering solutions.
From BuildZoom: Coffman Engineers, Inc, 1101 2nd Ave, Seattle, WA holds a Construction Contractor, Heating/Vent/Air Conditioning And Refrig (Hvac/R) license and 2 other licenses according to the Tukwila license board.
Their BuildZoom score of 109 ranks in the top 5% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Coffman Engineers, Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Coffman Engineers, Inc Services
Start a project today:
Coffman Engineers, Inc Seattle
Quality
109
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Coffman Engineers, Inc has a BuildZoom score of 109, which places them above 95% of 128,670 contractors in Washington.
Activity
|
3 projects
|
2025 |
|
3 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that Coffman Engineers, Inc has worked on at least
10.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
3 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Coffman Engineers, Inc mostly works on
home addition
projects.
Pricing
|
1 project
|
$20k-$50k |
|
1 project
|
$250k-$500k |
|
2 projects
|
$500k-$1mil |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
Building Permits by Coffman Engineers, Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
The project will re-configure the north side of the salnave elementary site to provide a new bus loop. the design includes removal of an existing driveway the addition of two new driveways new paved bus loop sidewalk fencing landscape lighting and stormwater management system
Valuation:
N/A
Permit #:
CIV2025-013
Status:
filed
Fee:
$10
Permit Type:
N/A
Building Type:
New construction ...
Remodel in order to prepare for elevator modernization * * * see permit tum-19-0796 (expired) this permit is for re-activation * * *
Valuation:
$624,000
Permit #:
TUM-22-1286
Status:
final
Fee:
$9,086
Permit Type:
N/A
Building Type:
N/A
Redmond town center - amazon - 2017 nec - installing new panel boards new lighting and new receptacle outlets. 310 total fixtures - 11 feeder 280 circuits 19 subpanel
Valuation:
$3,700,000
Permit #:
ELEC-2020-06715
Status:
final
Fee:
$46,210
Permit Type:
N/A
Building Type:
N/A
Boeing #18 yard perimeter security-fence
Valuation:
$580,000
Permit #:
CNST-2223854UTL
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Stoke 3d printer- commercial alteration
Valuation:
$333,355
Permit #:
CNST-2230430
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Airgas kent- accessory structure
Valuation:
$940,000
Permit #:
CNST-2230082
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Construction of new detached garage in backyard per plan
Valuation:
N/A
Permit #:
PIN25-0082
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Master bedroom and laundry room addition sfr25-0207
Valuation:
N/A
Permit #:
PIN25-0193
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Calt - genie - building 7 - employee breakroom - provide vrf heat pump with two indoor cassettes and a doas system for newly created employee breakroom. customer paid for (1) heat pump (2) ducted heads and (1) ventilation system
Valuation:
$37,498
Permit #:
MECH-2019-02765
Status:
final
Fee:
$1,291
Permit Type:
N/A
Building Type:
N/A
3548sf main 1093sf 2nd floor residence 144sf porch 1166sf garage
Valuation:
N/A
Permit #:
B24-098
Status:
issued extension
Fee:
$11,522
Permit Type:
Residential
Building Type:
N/A
Addition turbine compressor & gas cooling unit
Valuation:
N/A
Permit #:
B24-060
Status:
final
Fee:
$52,617
Permit Type:
Commercial
Building Type:
N/A
18-069 new badge office - acc struct
Valuation:
$32,979
Permit #:
CNST-2231779
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Pse skc phase ii - plumbing/mechanical
Valuation:
$400,000
Permit #:
CNST-2181401
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Multicare health systems - insatll rpba in mezzanine
Valuation:
N/A
Permit #:
BFL21-0002
Status:
final
Fee:
N/A
Permit Type:
Rpba
Building Type:
N/A
Multicare health systems - 27 plumbing fixtures
Valuation:
N/A
Permit #:
PLM20-0131
Status:
final
Fee:
N/A
Permit Type:
Tenant improvement
Building Type:
N/A
18-069 new badge office - civil
Valuation:
N/A
Permit #:
CNST-2231530CC
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
735sf pool house 295sf porches
Valuation:
N/A
Permit #:
B24-099
Status:
issued extension
Fee:
$3,351
Permit Type:
Residential
Building Type:
N/A
1998 sf residence 373 sf 2nd floor studio 683 sf garage
Valuation:
N/A
Permit #:
SCRN22-0002
Status:
app complete
Fee:
$0
Permit Type:
1 family residence
Building Type:
N/A
Super saver foods - plumbing (bb)
Valuation:
N/A
Permit #:
CNST-2203586
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Boeing #17-70:add air conditioning for ups server room
Valuation:
N/A
Permit #:
MEC19-0252
Status:
final
Fee:
N/A
Permit Type:
Tenant improvement
Building Type:
N/A
Coffman Engineers, Inc Reviews
BuildZoom hasn't received any reviews for Coffman Engineers, Inc. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Coffman Engineers, Inc License info
Verified License
| License # | COFFMEI866O9 |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, Heating/Vent/Air Conditioning And Refrig (Hvac/R) |
| Class | Corporation |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Coffman Engineers, 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 # | COFFMEI866O9 |
| 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 Coffman Engineers, 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 # | ENGR1000 |
| Status | Active |
| City | Sammamish |
| Type | Engineer |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of September, 2016. Check the current license status of Coffman Engineers, Inc with the The City of Sammamish, WA
This is a sample of licensing data; click here to access a complete history.
109
BuildZoom Score
Insured
| Insurer | American Casualty Co Of Readin |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Merchants Bonding Co (Mutual) |
| Bond Value | $6,000 |
162
Permits
- Building permit records show that Coffman Engineers, Inc has worked on 162 permitted projects.