Updated: May 12, 2026
Location and Projects
Address
7543 15th Ave NW, Seattle, WA, 98117
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Sound Seismic Photos
Sound Seismic Construction
Sound Seismic has been Seattle's most respected earthquake retrofit contractor since 1999. We are experiencing an extremely high volume of inquiries, and are doing our best to respond in a timely manner - please be patient. For best response, please contact us by telephone or by completing the form on our website.
From BuildZoom: Sound Seismic, 7543 15th Ave NW, Seattle, WA (Employee: Leif Jackson) holds a Construction Contractor, General license and 2 other licenses according to the Tukwila license board.
Their BuildZoom score of 118 ranks in the top 1% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Sound Seismic, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Sound Seismic Services
Start a project today:
Other Residential New Const...
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Medium Multi-Family Remodel...
Other Residential Remodel
Office Renovation
Restaurant Renovation
Retail Renovation
Other Commercial Renovation
Framing
Garage Construction
Restaurant New Construction
Retail New Construction
Office Building New Constru...
Industrial New Construction
Hotel New Construction
Warehouse New Construction
Other Commercial New Constr...
Industrial Renovation
Hotel Renovation
Warehouse Renovation
ADU
Small Multi-Family Remodel ...
Whole Home Remodel
Addition
Vertical Addition
Horizontal Addition
Vertical and Horizontal Add...
Single Room Remodel
Sound Seismic Contact Information
Phone Number: (877) 932-6588
Address: 7543 15th Ave NW, Seattle, WA 98117
Sound Seismic Seattle
Quality
118
99th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Sound Seismic has a BuildZoom score of 118, which places them above 99% of 128,670 contractors in Washington.
Activity
|
17 projects
|
2025 |
|
18 projects
|
2024 |
|
6 projects
|
2023 |
Our building permit records indicate that Sound Seismic has worked on at least
41.0 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
|
9 projects
|
New Constructions |
Analyzing permits over the last 4 years shows that Sound Seismic mostly works on
new construction
projects.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$20k-$50k |
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.
Voluntary seismic retrofit to crawlspace of single family residence stfi per engineered plan set. does not include mechanical electrical nor plumbing
Valuation:
N/A
Permit #:
25 110655 BU
Status:
final
Fee:
$338
Permit Type:
N/A
Building Type:
N/A
Voluntary seismic retrofit to single family residence per wabo standard plan set. stfi. does not include mechanical electrical nor plumbing
Valuation:
N/A
Permit #:
25 108950 BU
Status:
final
Fee:
$338
Permit Type:
N/A
Building Type:
N/A
E22-16315 single family residence remodel - voluntary seismic retrofit to basement of single family residence stfi. no change in use property is served by public sewer. basement finished (640sqft) basement unfinished (480sqft) floor 1 (1150 sqft) structure dimensions (27 x 43')
Valuation:
N/A
Permit #:
BLD-22-0686
Status:
complete
Fee:
$332
Permit Type:
N/A
Building Type:
N/A
Oong-seismic retrofit
Valuation:
N/A
Permit #:
BLD2025-0136
Status:
issued
Fee:
$491
Permit Type:
N/A
Building Type:
N/A
Type: building single family class: alteration to structure or system, , [2021 irc] drackett retrofit: voluntary seismic retrofit to crawlspace and basement of single family residence
Valuation:
N/A
Permit #:
BSF24-03987
Status:
final
Fee:
$504
Permit Type:
N/A
Building Type:
N/A
Project name: seismic retrofit basement of single family residence stfi, , voluntary seismic retrofit to basement of single family residence stfi
Valuation:
N/A
Permit #:
BLD23-0276
Status:
final
Fee:
$261
Permit Type:
N/A
Building Type:
N/A
Voluntary seismic retrofit to basement of single family residence
Valuation:
N/A
Permit #:
SFR25-1522
Status:
final
Fee:
$436
Permit Type:
N/A
Building Type:
N/A
Voluntary seismic retrofit to crawlspace of single family residence
Valuation:
N/A
Permit #:
SFR25-1166
Status:
final
Fee:
$436
Permit Type:
N/A
Building Type:
N/A
Voluntary seismic retrofit to crawlspace of single family residence
Valuation:
N/A
Permit #:
SFR25-1126
Status:
final
Fee:
$436
Permit Type:
N/A
Building Type:
N/A
Voluntary seismic retrofit to basement of single family residence
Valuation:
N/A
Permit #:
2501-209
Status:
final
Fee:
$320
Permit Type:
N/A
Building Type:
N/A
Type: building single family class: alteration to structure or system, , blanchard: voluntary seismic retrofit to single family residence
Valuation:
N/A
Permit #:
BSF24-02431
Status:
final
Fee:
$504
Permit Type:
N/A
Building Type:
N/A
Type: building single family class: alteration to structure or system, , blanchard: voluntary seismic retrofit to single family residence
Valuation:
N/A
Permit #:
BSF24-02431
Status:
final
Fee:
$504
Permit Type:
N/A
Building Type:
N/A
Type: building single family class: alteration to structure or system, , snow retrofit: voluntary seismic retrofit to crawlspace
Valuation:
N/A
Permit #:
BSF24-08176
Status:
final
Fee:
$406
Permit Type:
N/A
Building Type:
N/A
Type: building single family class: alteration to structure or system, , snow retrofit: voluntary seismic retrofit to crawlspace
Valuation:
N/A
Permit #:
BSF24-08176
Status:
final
Fee:
$406
Permit Type:
N/A
Building Type:
N/A
Voluntary seismic retrofit to crawlspace of single family residence stfi. does not include mechanical electrical or plumbing
Valuation:
N/A
Permit #:
24 122141 BU
Status:
final
Fee:
$333
Permit Type:
N/A
Building Type:
N/A
Adamson- vol. seismic retrofit, voluntary seismic retrofit to crawlspace of single family residence per engineered plan set
Valuation:
N/A
Permit #:
BLD2024-0775
Status:
final
Fee:
$427
Permit Type:
N/A
Building Type:
N/A
Parks-seismic retrofit to crawlspace, voluntary seismic retrofit to crawlspace of single family residence stfi
Valuation:
N/A
Permit #:
BLD2023-0317
Status:
final
Fee:
$427
Permit Type:
N/A
Building Type:
N/A
Voluntary seismic retrofit to interior and exterior of basement of single family residence. does not include mechanical electrical or plumbing
Valuation:
N/A
Permit #:
22 101130 BU
Status:
expired
Fee:
$419
Permit Type:
N/A
Building Type:
N/A
Project name: voluntary seismic retrofit to single family residence stfi, , voluntary seismic retrofit to single family residence stfi
Valuation:
N/A
Permit #:
BLD24-0645
Status:
final
Fee:
$274
Permit Type:
N/A
Building Type:
N/A
Voluntary seismic retrofit to crawlspace of single family residence per engineer's specifications stfi. no work on main floor. no exterior work. does not include mechanical electrical or plumbing
Valuation:
N/A
Permit #:
23 121513 BU
Status:
final
Fee:
$370
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Sound Seismic License info
Verified License
| License # | SOUNDSL836ND |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Limited Liability Company |
| Business Type | Earthquake Retrofitting |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Sound Seismic at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | SOUNDSL836ND |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Earthquake Retrofitting |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Sound Seismic 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 # | WAJACKSRL016K8 |
| Status | Active |
| State | Washington |
| Business Type | Earthquake Retrofitting |
- BuildZoom has not verified this license since June, 2015.
Verify this license's status for Sound Seismic at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
118
BuildZoom Score
Insured
| Insurer | Evanston Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Ohio Cas Ins Co |
| Bond Value | $12,000 |
290
Permits
- Building permit records show that Sound Seismic has worked on 290 permitted projects.
Sound Seismic Employees
Leif Jackson
Founder, Co-owner, estimator