Updated: Jun 17, 2026
Location and Projects
Address
9520 10TH AVE S #100, Seattle, WA, 98108
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Simplexgrinnell Electrician
Simplexgrinnell Lp, 9520-10 Th Ave S, Seattle, WA (Employees: Aaron Saak, Anthony Mcgraw, and Bernard Doherty) holds a Electrical Contractor, Electrical Contractor license and 17 other licenses according to the Washington license board.
Their BuildZoom score of 112 ranks in the top 3% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Simplexgrinnell Lp, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Simplexgrinnell Lp Contact Information
Phone Number: (206) 291-1400
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Address: 9520 10TH AVE S #100, Seattle, WA 98108
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Simplexgrinnell Lp Seattle
Quality
112
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Simplexgrinnell Lp has a BuildZoom score of 112, which places them above 97% of 128,670 contractors in Washington.
Activity
|
151 projects
|
2025 |
|
187 projects
|
2024 |
|
209 projects
|
2023 |
Our building permit records indicate that Simplexgrinnell Lp has worked on at least
547.0 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
|
95 projects
|
Commercial Renovations |
|
56 projects
|
Home Additions |
|
264 projects
|
Electrical projects |
Analyzing permits over the last 4 years shows that Simplexgrinnell Lp mostly works on
electrical project
and commercial renovation
projects.
Pricing
|
19 projects
|
< $5k |
|
119 projects
|
$5k-$20k |
|
52 projects
|
$20k-$50k |
|
32 projects
|
$50k-$100k |
|
12 projects
|
$100k-$250k |
|
11 projects
|
$250k-$500k |
|
5 projects
|
$500k-$1mil |
The typical size of their permits is approximately $14,179. This graph shows the distribution of these job values.
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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Modify existing fire alarm system for tenant improvements. mary bridge children's hospital. chc west medical office building. level 01 02 and 03. 311 south l street tacoma wa 98405. install (282) new devices and (9) relocated devices. this is a joint venture between johnson controls fire protection (johnscp831pr) and valley electric (valleec141na)
Valuation:
$297,496
Permit #:
FIREC25-0119
Status:
triage
Fee:
$1,519
Permit Type:
Remodel
Building Type:
N/A
Idx tower mapnet to idnet tenant improvement modify existing fire alarm systems for tenant improvements. idx tower. 925 4th ave seattle wa 98104. replace existing mapnet cards with idnet cards. replace monitor iam's pull stations and control zam's. assign idnet address to nac panels. (276) new devices. this is a joint venture between johnson controls fire protection (johnscp831pr) and... see more
Valuation:
$334,567
Permit #:
7069409-EL
Status:
issued
Fee:
$4,510
Permit Type:
N/A
Building Type:
Commercial
Rsq russell pre-action systems l17 18 19 tenant improvement *work occurring in this same space includes; fa tenant improvement permit 7067216-el and sprinkler permit #7066428-fs.* modify existing fire alarm system for tenant improvements. install (3) new pre-action panels (9) zams (class a) (3) srps (8) iams and (5) smoke detectors. this is a joint venture between johnson controls fir... see more
Valuation:
$136,836
Permit #:
7085979-EL
Status:
complete
Fee:
$1,489
Permit Type:
N/A
Building Type:
Commercial
Uw thomson panel upgrade tenant improvement modify existing fire alarm system for tenant improvements. university of washington. thomson hall. 2023 ne skagit lane seattle wa 98195. install (23) new devices and (2) new panels. this is a joint venture between johnson controls fire protection (johnscp831pr) and andersen construction
Valuation:
$99,152
Permit #:
7072070-EL
Status:
complete
Fee:
$148
Permit Type:
N/A
Building Type:
Commercial
Uw gerberding hall panel upgrade tenant improvement modify existing fire alarm system for tenant improvements. university of washington. gerberding hall. 1704 ne grant lane seattle wa 98195. install (30) new devices and upgrade (2) panels with retrofit kits. this is a joint venture between johnson controls fire protection (johnscp831pr) and andersen construction. [5-14-25 dr - added e... see more
Valuation:
$99,474
Permit #:
7067999-EL
Status:
issued
Fee:
$1,853
Permit Type:
N/A
Building Type:
Commercial
Uw hutchinson panel upgrade tenant improvement modify existing fire alarm system for tenant improvements. university of washington hutchinson hall. 4276 east stevens way ne seattle wa 98105. decommission existing fire alarm control panel. install (1) new simplex 4100es panel components. install (32) new devices. joint venture between johnson controls fire protection (johnscp831pr) and... see more
Valuation:
$95,860
Permit #:
7064532-EL
Status:
complete
Fee:
$1,862
Permit Type:
N/A
Building Type:
Commercial
Uw marine studies/fisheries teaching facp upgrade tenant improvement modify existing fire alarm system for tenant improvements. university of washington marine studies and fisheries teaching. level 1. 3707 brooklyn ave ne seattle wa 98105. decommission existing fire alarm control panel. install (2) new 4100es panels and (6) new devices. joint venture between johnson controls fire prot... see more
Valuation:
$87,762
Permit #:
7063199-EL
Status:
complete
Fee:
$1,573
Permit Type:
N/A
Building Type:
Commercial
Pos fisherman's terminal fa provide and install a new automatic and manual fire alarm system. port of seattle fisherman's terminal. maritime innovation center. 1559 w thurman st seattle wa 98119. install (43) new devices and (1) new simplex 4100es facp. this is a joint venture between johnson controls fire protection (johnscp831pr) and jh kelly construction (jhkell*011kc)
Valuation:
$60,373
Permit #:
7071027-EL
Status:
issued
Fee:
$2,010
Permit Type:
N/A
Building Type:
Commercial
Bryant manor yesler way- revision to issued permit 6945627-el revision to issued permit 6945627-el: installing (33) strobe only devices (6) speaker/strobes (6) monitoring module (1) smoke detector and (1) nac panel. all of this is additions to the originally approved design
Valuation:
$607,934
Permit #:
7038950-EL
Status:
complete
Fee:
$1,198
Permit Type:
N/A
Building Type:
Commercial
Permit revision 1100 boylston revision to issued permit 6889951-el. changes made: -re-calculate the battery backup to account for proper standby and alarm time (24h standby 15m alarm) -move motor bell to the front of the building -add speaker/strobe to l8 balcony -add speaker shutdown relay for p1 music room -relocate 2-way commercial head end to lobby near entrance -add smoke contro... see more
Valuation:
$330,000
Permit #:
7022658-EL
Status:
complete
Fee:
$2,514
Permit Type:
N/A
Building Type:
Commercial
Uwmc ml surgery pavilion level 2 or modify existing fire alarm system uwmc surgery pavillion level 2 operating room expansion. sterilizer anesthesia and managers office. (5) devices. joint venture between johnson controls fire protection and valley electric
Valuation:
$746,662
Permit #:
7009718-EL
Status:
complete
Fee:
$353
Permit Type:
Remodel or repair
Building Type:
Commercial
Uwmc 3ss ml radiology ob admin ultrasound modify existing fire alarm system uwmc 3ss ml radiology ob admin ultrasound tenant improvement. demolish (4) install (26) devices. joint venture between johnson controls fire protection (johnscp831pr) and thompson electrical contractors (thompec008cw)
Valuation:
$399,971
Permit #:
7001618-EL
Status:
issued
Fee:
$1,038
Permit Type:
N/A
Building Type:
Commercial
95 south jackson airbnb l3 tenant improvement modify existing fire alarm system for tenant improvements. airbnb level 3. 95 south jackson seattle wa 98104. install (22) new devices and install (25) relocated devices. joint venture between johnson controls fire protection (johnscp831pr) and titan electric (titanei963ob)
Valuation:
$29,796
Permit #:
7077528-EL
Status:
issued
Fee:
$1,542
Permit Type:
N/A
Building Type:
Commercial
4th & madison zgf office tenant improvement modify existing fire alarm system for tenant improvements. 925 4th ave seattle wa 98104. zgf office. install (55) new devices. joint venture between johnson controls fire protection (johnscp831pr) and titan electric (titanei963ob)
Valuation:
$31,599
Permit #:
7072540-EL
Status:
issued
Fee:
$1,642
Permit Type:
N/A
Building Type:
Commercial
Rsq pcc remodel tenant improvement modify existing fire alarm system for tenant improvements. rainier square tower 2. level 1. pcc tenant. 1301 5th ave seattle wa 98101. demolish (28) devices install (54) new notification devices. joint venture between johnson controls fire protection (johnscp831pr) and froula alarm inc (froulas802j8). [acc - 4/15/2025 - inspector changed address to m... see more
Valuation:
$29,661
Permit #:
7072492-EL
Status:
complete
Fee:
$1,980
Permit Type:
N/A
Building Type:
Commercial
1201 3rd ave l24 amenities renovation tenant improvement modify existing fire alarm system for tenant improvements. level 24. 1201 3rd ave seattle wa 98101. washington mutual tower. install (55) new devices and (2) relocated devices. this is a joint venture between johnson controls fire protection (johnscp831pr) and evergreen power systems (evergps950be)
Valuation:
$31,404
Permit #:
7065673-EL
Status:
issued
Fee:
$1,867
Permit Type:
N/A
Building Type:
Commercial
Federal reserve indian consulate l1 & l11 tenant improvement modify existing fire alarm system for tenant improvements. federal reserve bank indian consulate. floor 1 and floor 11. 1015 2nd ave seattle wa 98104. demolish and reinstall (6) relocated devices. install (69) new devices. joint venture between johnson controls fire protection (johnscp831pr) and msre management
Valuation:
$25,020
Permit #:
7063735-EL
Status:
complete
Fee:
$1,599
Permit Type:
N/A
Building Type:
Commercial
Provide and install a new automatic and manual fire alarm system and two-way communication system for tenant improvements for the new mary bridge children's hospital. install (4) new panels and (1031) new devices. 315 south martin luther king jr. way tacoma wa 98402. this is a joint venture between johnson controls fire protection (johnscp831pr) and valley electric (valleec141na)
Valuation:
$272,171
Permit #:
FIREC24-0228
Status:
expired
Fee:
$4,057
Permit Type:
New
Building Type:
N/A
T-mobile park door upgrade phase 1 & 2 tenant improvement modify existing fire alarm system for tenant improvements. t-mobile park. 1250 1st ave s seattle wa 98134. at existing roll door locations where new roll door equipment is to be replaced install new relays at new roll door locations install new smoke with control relays and connect to the new roll door equipment as show on draw... see more
Valuation:
$19,632
Permit #:
7082879-EL
Status:
issued
Fee:
$1,391
Permit Type:
N/A
Building Type:
Commercial
Lumen field suite 5a01 sector a & b tenant improvement modify existing fire alarm system for tenant improvements. lumen field. suite 5a01 sector a&b. 800 occidental ave s seattle wa 98134. install (7) new devices and install (1) new panel. this is a joint venture between johnson controls fire protection (johnscp831pr) and united states electric corp (unitese9848h)
Valuation:
$19,815
Permit #:
7081533-EL
Status:
issued
Fee:
$1,211
Permit Type:
N/A
Building Type:
Commercial
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Verified License
BuildZoom confirmed this contractor's license
Simplexgrinnell Lp License info
Verified License
| License # | JOHNSCP831PR |
| Status | Active |
| State | Washington |
| Type | Electrical Contractor, Electrical Contractor |
| Business Type | Limited Liability Company, Partnership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Simplexgrinnell Lp at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | JOHNSCF8377B |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company, Partnership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Simplexgrinnell Lp at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | JOHNSCF837PB |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company, Partnership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Simplexgrinnell Lp at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | JOHNSCFS317B |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company, Partnership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Simplexgrinnell Lp 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 # | SIMPLL*981SG |
| Status | Active |
| City | Sammamish |
| Type | Contractor |
| Business Type | Limited Liability Company, Partnership |
- When BuildZoom last verified this license, it had an expiration date of December, 2021. Check the current license status of Simplexgrinnell Lp with the The City of Sammamish, WA
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | SIMPLL 977LE |
| Status | Active |
| State | Washington |
| Type | Electrical Contractor, Limited Energy |
| Business Type | Limited Liability Company, Partnership |
- When BuildZoom last verified this license, it had an expiration date of January, 2018. Check the current license status of Simplexgrinnell Lp with 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 # | SIMPLL 999KG |
| Status | Active |
| State | Washington |
| Type | Electrical Contractor, Limited Energy, Hvac/Rfrg |
| Business Type | Limited Liability Company, Partnership |
- When BuildZoom last verified this license, it had an expiration date of January, 2018. Check the current license status of Simplexgrinnell Lp with the Washington State Department of Labor & Industries
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | SIMPLL*981SG |
| Status | Inactive |
| State | Washington |
| Type | Electrical Contractor, Electrical Contractor, Electrical Contractor |
| Business Type | Limited Liability Company, Partnership |
- 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 Simplexgrinnell Lp 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 # | SIMPLL*988BG |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company, Partnership |
- 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 Simplexgrinnell Lp 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 # | SIMPLL*999KG |
| Status | Inactive |
| City | Tukwila |
| Type | Electrical Contractor, Limited Energy, Hvac/Rfrg |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company, Partnership |
- 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 Simplexgrinnell Lp at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | SIMPLL*981SG |
| Status | Inactive |
| City | Marysville |
| Type | Contractor |
| Business Type | Limited Liability Company, Partnership |
- According to the The City of Marysville, Washington, 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 Simplexgrinnell Lp at the The City of Marysville, Washington.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | JOHNSCF8377B |
| Status | Inactive |
| City | Marysville |
| Type | Contractor |
| Business Type | Limited Liability Company, Partnership |
- According to the The City of Marysville, Washington, 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 Simplexgrinnell Lp at the The City of Marysville, Washington.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | JOHNSCP831PR |
| Status | Inactive |
| City | Marysville |
| Type | Contractor |
| Business Type | Limited Liability Company, Partnership |
- According to the The City of Marysville, Washington, 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 Simplexgrinnell Lp at the The City of Marysville, Washington.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | SIMPLL*977LE |
| Status | Inactive |
| State | Washington |
| Type | Electrical Contractor, Electrical Contractor |
| Business Type | Limited Liability Company, Partnership |
- 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 Simplexgrinnell Lp 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 # | SIMPLL*999KG |
| Status | Inactive |
| State | Washington |
| Type | Electrical Contractor, Electrical Contractor, Electrical Contractor |
| Business Type | Limited Liability Company, Partnership |
- 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 Simplexgrinnell Lp 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 # | SIMPLL*988BG |
| Status | Inactive |
| City | Marysville |
| Type | Contractor |
| Business Type | Limited Liability Company, Partnership |
- According to the The City of Marysville, Washington, 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 Simplexgrinnell Lp at the The City of Marysville, Washington.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | SIMPLL*980D9 |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company, Partnership |
- 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 Simplexgrinnell Lp 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 # | SIMPLL*980CD |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company, Partnership |
- 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 Simplexgrinnell Lp at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
112
BuildZoom Score
Insured
| Insurer | Old Republic Ins Co |
| Insured up to | $10,000,000 |
Bonded
| Bonded Agent | Federal Ins Co |
| Bond Value | $12,000 |
2.3K
Permits
- Building permit records show that Simplexgrinnell Lp has worked on 2250 permitted projects.
Simplexgrinnell Lp Employees
AS
Aaron Saak
Manager
AM
Anthony Mcgraw
Partner/Member
BD
Bernard Doherty
Partner
BM
Buchanan, Michael
Partner/Member
CS
Carmine Schiavone
Partner/Member
CF
Chauvin, Robert F
Partner/Member
DJ
D Orsi, Pasquale J
Partner/Member
DR
Dave Robinson
Partner/Member
DS
Dean Seavers
Partner/Member
DJ
Doherty, Bernard J
Partner/Member
HB
Heather Brown
Partner/Member
JJ
James Spicer Jr
Partner/Member
JL
Jennifer Leong
Partner/Member
JL
Jennifer Long
Partner/Member
JB
Jerry Boggess
Partner
KH
Kevin Hall
Partner/Member
MM
Mark Henry Meisner
Partner
MM
Mark Meisner
Partner/Member
MM
Marshall Moroze
Partner/Member
MB
Matthew Burke
Partner/Member
MB
Michael Brown
Partner/Member
MB
Michael Buchanan
Partner
MR
Michael Robinson
Partner/Member
PD
Pasquale D'orsi
Partner/Member
PO
Pasquale O'orsi
Partner/Member
RA
Richard Abromeit
Partner/Member
RC
Robert Chauvin
Partner/Member
RJ
Robert Chauvin Jr
Partner/Member
RM
Robert Christopher Maxie
Partner
RC
Robert Francis Chauvin
Partner
RM
Robert Maxie
Partner/Member
RD
Robinson, Dave
Partner/Member
RC
Rose Carter
Partner/Member
SG
Simplex Grinnell