Updated: May 30, 2026
Location and Projects
Address
5811 129TH AVE SE, Bellevue, WA, 98006
Use our bidding system to
request a quote
Alter Services Plumber
Alter Services LLC, 5811-129 Th Ave SE, Bellevue, WA (Owned by: Dwyer, Curtis Stephen) holds a Construction Contractor, General license and 1 other license according to the Tukwila license board.
Their BuildZoom score of 100 ranks in the top 13% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Alter Services LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Alter Services LLC Services
Start a project today:
Alter Services LLC Contact Information
Phone Number: (425) 395-6744
Edit
Address: 5811 129TH AVE SE, Bellevue, WA 98006
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Alter Services LLC Bellevue
Quality
100
87th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Alter Services LLC has a BuildZoom score of 100, which places them above 87% of 128,670 contractors in Washington.
Activity
|
3 projects
|
2025 |
|
2 projects
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Alter Services LLC has worked on at least
6.0 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
|
Sewer laterals |
|
3 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Alter Services LLC mostly works on
plumbing project
and sewer lateral
projects.
Pricing
|
1 project
|
< $5k |
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.
8221 storm and footing drains to catch basin to exiting lateral to combined main. sanitary to existing combined lateral to combined main. per permit 6980001-cn for single family residence. project includes osm facilities
Valuation:
$500
Permit #:
7093679-SS
Status:
issued
Fee:
$750
Permit Type:
New
Building Type:
Single family/duplex
Shauna's temple demolish existing non permitted addition. construct new living space with attached shed. roof deck with access from master bedroom
Valuation:
N/A
Permit #:
BLD24-00008
Status:
issued
Fee:
$1,098
Permit Type:
N/A
Building Type:
N/A
Type: public works class: stand alone decommission septic system. connect home to city of kirkland sewer
Valuation:
N/A
Permit #:
PUB25-06905
Status:
issued
Fee:
$6,051
Permit Type:
N/A
Building Type:
N/A
Polishchuk side sewer connect new plumbing outlet to the existing sanitary side sewer. no drainage work. no drainage review was done for this project. no work in row
Valuation:
N/A
Permit #:
6989834-SS
Status:
withdrawn
Fee:
N/A
Permit Type:
None
Building Type:
Single family/duplex
Project name: remove & replace stairway deck & addition two support stringer
Valuation:
N/A
Permit #:
COM2024-025
Status:
final
Fee:
$783
Permit Type:
N/A
Building Type:
N/A
Project name: reroof canopy over sidewalk. reside parapet wall
Valuation:
N/A
Permit #:
COM2024-020
Status:
final
Fee:
$410
Permit Type:
N/A
Building Type:
N/A
Jeri ure porch addition, building a new porch roof addition over existing concrete entry
Valuation:
N/A
Permit #:
BLD22-00173
Status:
final
Fee:
$441
Permit Type:
N/A
Building Type:
N/A
Closed as incomplete - expired permit. susbstantial alterations to existing institution building change use to school and occupy per plans
Valuation:
$600,000
Permit #:
6220613-CN
Status:
complete
Fee:
$7,974
Permit Type:
Add/alt
Building Type:
Commercial
Similar Contractors See more
134
BZ Score
-
Avg Project
-
Projects
License # CRUVECL784K7
Snohomish, WA
128
BZ Score
$61.9K
Avg Project
-
Projects
144
BZ Score
$20K
Avg Project
-
Projects
Alter Services LLC Reviews
BuildZoom hasn't received any reviews for Alter Services LLC. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Let us find you a plumber in your area today
We'll search our vast network of Plumbers and connect
you with one that meets your needs today.
Verified License
BuildZoom confirmed this contractor's license
Alter Services LLC License info
License Not Verified
| License # | ALTERSL784DA |
| 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 March, 2026. Check the current license status of Alter Services LLC with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | ALTERSL784DA |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Alter Services LLC at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
Insured
| Insurer | Contractors Bonding & Insuranc |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Hartford Insurance Co The Midwest |
| Bond Value | $12,000 |
7
Permits
- Building permit records show that Alter Services LLC has worked on 7 permitted projects.
Alter Services LLC Employees
CD
Curtis Dwyer
Partner/Member
DS
Dwyer, Curtis Stephen
Owner
XD
Ximena Dwyer
Partner/Member