Updated: Jun 03, 2026
Location and Projects
Address
3533 148TH ST SE, Mill Creek, WA, 98012
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Sys Construction
Serving Seattle and the broader Pacific Northwest, Sys Construction specializes in both commercial and residential construction projects. The firm manages the entire building process, from concept to completion, with experience that spans more than 25 years. Based in Woodinville, Sys Construction has worked on projects such as the Villa Element Apartments in its local area. The company's portfolio includes ground-up construction, renovations, and mixed-use developments for a range of clients and property types. Sys Construction emphasizes project management and continual communication throughout the building process, focusing on delivering construction solutions that align with client objectives and established industry standards. Their service area covers Seattle and neighboring communities throughout the region.
Sys Construction Services
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Sys Construction Contact Information
Phone Number: (206) 353-7955
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Address: 3533 148TH ST SE, Mill Creek, WA 98012
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Sys Construction Mill Creek
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Sys Construction has a BuildZoom score of 99, which places them above 85% of 128,670 contractors in Washington.
Activity
|
1 project
|
2025 |
|
2 projects
|
2023 |
Our building permit records indicate that Sys Construction has worked on at least
3.0 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.
Pricing
|
1 project
|
< $5k |
|
2 projects
|
$5k-$20k |
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.
Storm water connection nsfr on existing foundation. no drainage review. related permit: 6786207-cn storm footings and sanitary to existing side sewer to combine main
Valuation:
$3,000
Permit #:
7077386-SS
Status:
complete
Fee:
$819
Permit Type:
Addition/alteration
Building Type:
Single family/duplex
Hkim llc - construct new demising wall at existing business office area to create new tenant space per plan. project includes new demising wall and acces restroom. deferred submittals = mechanical | electrical |plumbing | fire protection
Valuation:
$15,000
Permit #:
BTI-034709-2023
Status:
issued
Fee:
$564
Permit Type:
Remodel
Building Type:
N/A
Demolish of existing single family residence and construction of new residence. includes clearing and grading row storm connection. does not include plumbing mechanical or electrical
Valuation:
N/A
Permit #:
17 104526 BS
Status:
final
Fee:
$10,918
Permit Type:
N/A
Building Type:
N/A
Addition second story expand entry area. does not include clearing & grading. does not include electrical (16-137103 bf) *add on mechanical and plumbing.**add on additional fixtures on mechanical & plumbing
Valuation:
N/A
Permit #:
16 129003 BR
Status:
final
Fee:
$5,124
Permit Type:
N/A
Building Type:
N/A
Sys llc will be demolishing the current office space and will be building a 4 story 9 unit apartment
Valuation:
N/A
Permit #:
DEM21004
Status:
final
Fee:
$250
Permit Type:
N/A
Building Type:
N/A
Master distributor: placement of racks six feet in height (units c d e f)
Valuation:
$7,000
Permit #:
BLDC-035168-2023
Status:
issued
Fee:
$320
Permit Type:
Racking/shelving
Building Type:
N/A
New 42 unit apartment building w/62 parking stalls-emerald court
Valuation:
N/A
Permit #:
B1606-070
Status:
final
Fee:
$77,652
Permit Type:
New multi-f
Building Type:
N/A
Leveled the current area inside retaining wall added slabs & gravel to the backyard and side yard. retaining wall varies from 19 - 42. **16-149169ea**
Valuation:
N/A
Permit #:
16 149308 GA
Status:
final
Fee:
$638
Permit Type:
N/A
Building Type:
N/A
Install 4 meter inside contractor installed piped through
Valuation:
N/A
Permit #:
U1909-022
Status:
final
Fee:
$5,378
Permit Type:
New connection
Building Type:
N/A
Mix use - nine (9) apartment units
Valuation:
N/A
Permit #:
BLD20003
Status:
final
Fee:
$95,723
Permit Type:
N/A
Building Type:
N/A
A single family residential modification driveway replacement project involving (flat or brushed concrete or asphalt)
Valuation:
N/A
Permit #:
18 124419 TG
Status:
issued
Fee:
$275
Permit Type:
N/A
Building Type:
N/A
8 tap on 20 water main and connect to contractor 6 inch
Valuation:
N/A
Permit #:
U1909-021
Status:
final
Fee:
$12,097
Permit Type:
New connection
Building Type:
N/A
Site work for a new 42 unit apartment building
Valuation:
N/A
Permit #:
PW1607-003
Status:
final
Fee:
$9,479
Permit Type:
N/A
Building Type:
N/A
Charleys philly steaks
Valuation:
N/A
Permit #:
D18-0276
Status:
final
Fee:
$1,730
Permit Type:
Comm/whse
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
19109112KP
Status:
final
Fee:
$143
Permit Type:
N/A
Building Type:
N/A
Demo rebuild. haul route. work in row to include relocation of driveway (dev-7b) 20 ft. width acceptable, removal of existing driveway and restoration. no street cut authorized. see attachments and conditions. subject to hourly inspection fees
Valuation:
N/A
Permit #:
15 111718 TG
Status:
issued
Fee:
$347
Permit Type:
N/A
Building Type:
N/A
E14-15598 post issuance change: keep existing corridor rm:111 w/o changing (met with d.swasey 11/3/14 to discuss this). list of sheets with revision summary as follows: a131-corridor/doors a005-door schedule a101-code summary/door schedule 121-demo plan a431-ceiling plan a601-provide new tunnel corridor detail. (change of use) new educational facility for the community church of seatt... see more
Valuation:
N/A
Permit #:
NR2014-05842
Status:
Consistent
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Sfda - addition and remodel, , remodel and addition to an existing single-family residence. work includes complete interior remodel of existing 2, 668 sf livable space and addition of 439 sf of new livable area. construction of new covered entry and rear deck
Valuation:
N/A
Permit #:
B2015-0420
Status:
final
Fee:
$6,792
Permit Type:
N/A
Building Type:
N/A
Street closure
Valuation:
N/A
Permit #:
TSU2006-014
Status:
issued
Fee:
N/A
Permit Type:
Street closure
Building Type:
N/A
Addition to second story of existing residence over garage. does not include clear & grade plumbing mechanical. **add on electrical** ***add on mechanical and plumbing
Valuation:
N/A
Permit #:
13 130803 BR
Status:
final
Fee:
$2,307
Permit Type:
N/A
Building Type:
N/A
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164
BZ Score
-
Avg Project
-
Projects
158
BZ Score
$250K
Avg Project
-
Projects
164
BZ Score
$32.4K
Avg Project
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Projects
Sys Construction Reviews
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Verified License
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Sys Construction License info
Verified License
| License # | SYSCOC1773PE |
| Status | Active |
| City | Marysville |
| Type | Contractor |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Sys Construction at the The City of Marysville, Washington.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | SYSCOCI773PE |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Corporation |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Sys Construction at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | SYSLLYS890CB |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company |
- When BuildZoom last verified this license, it had an expiration date of May, 2025. Check the current license status of Sys Construction with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | SYSCOCI773PE |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Sys Construction 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 # | SYSLLYS890CB |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company |
- 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 Sys Construction at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
Insured
| Insurer | Underwriters At Lloyds |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Wesco Insurance Co |
| Bond Value | $12,000 |
26
Permits
- Building permit records show that Sys Construction has worked on 26 permitted projects.
Sys Construction Employees
KY
Kim, Yong
Governing Persons
KS
Kim, Yong Soon
Partner/Member
YK
Yong Kim
President