Updated: May 17, 2026
Location and Projects
Headquarters Address
26880 Aliso Viejo Parkway, Aliso Viejo, CA, 92656
Local address
330 120th Avenue NE, Bellevue, WA, 98005
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Sea20 A Site Work Contractor
Sea20 A LLC, 330 120th Ave NE, Bellevue, WA (Owned by: Tjh Seattle) holds a Construction Contractor, General license and 9 other licenses according to the Tukwila license board.
Their BuildZoom score of 110 ranks in the top 4% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Sea20 A LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Sea20 A LLC Contact Information
Phone Number: (949) 281-0482
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Headquarters Address: 26880 Aliso Viejo Parkway, Aliso Viejo, CA, 92656
Local Address: 330 120th Avenue NE, Bellevue, WA 98005
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Sea20 A LLC Bellevue
Quality
110
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Sea20 A LLC has a BuildZoom score of 110, which places them above 96% of 128,670 contractors in Washington.
Activity
|
1 project
|
2026 |
|
22 projects
|
2025 |
|
16 projects
|
2024 |
|
14 projects
|
2023 |
Our building permit records indicate that Sea20 A LLC has worked on at least
53.0 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
|
27 projects
|
New Constructions |
|
29 projects
|
Demolitions |
Analyzing permits over the last 4 years shows that Sea20 A LLC mostly works on
demolition
and new construction
projects.
Pricing
|
1 project
|
$5k-$20k |
|
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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Geotechnical special inspections establish use as single family residence with attached accessory dwelling unit per land use code. construct new two-family dwelling per standard plan 7013091-sp
Valuation:
N/A
Permit #:
7038630-CN-003
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Rnew infill - 2018 irc - plan4011 - construction of a new 2 story garage left fire sprinkled single-family residence including 4, 011 sf of dwelling area a 456 sf garage a 266 sf covered patio a 266 sf covered deck and a 51 sf covered entry porch. total area of construction = 5, 050 sf
Valuation:
$539,742
Permit #:
BLDG-2021-08847
Status:
applied
Fee:
$4,723
Permit Type:
N/A
Building Type:
N/A
811 33rd ave ppr3 revision to 7071640-cn: updates to landscaping and hard surface areas per plan
Valuation:
$767,641
Permit #:
7071640-CN-009
Status:
filed
Fee:
$288
Permit Type:
New
Building Type:
Single family/duplex
2616 ne 72nd st new single family residence + aadu 7031829-cn: new onsite sanitary sewer to the existing shared connection to the combined sewer main. pe eval/cert is required. new storm and new footing drains to the existing connection to the combined. onsite stormwater management (osm) facilities are required; osm bmps: drywell permeable pavement surface
Valuation:
$10,000
Permit #:
7056779-SS
Status:
issued
Fee:
$750
Permit Type:
New
Building Type:
Single family/duplex
Type: building single family class: new, , 130 14th ave - construction of a detached adu (related to the master permit bsf20-08550 which includes primary residence and an attached adu). plans under bsf20-08550, , project: 130 14th ave nsfr w 2 adus (aadu and dadu)
Valuation:
N/A
Permit #:
BSF20-08551
Status:
final
Fee:
$28,724
Permit Type:
N/A
Building Type:
N/A
Type: building single family class: new, , 130 14th ave - *master permit* construction of a single family home with an attached adu. construction of accessory detached adu under bsf20-08551, , project: 130 14th ave nsfr w 2 adus (aadu and dadu)
Valuation:
N/A
Permit #:
BSF20-08550
Status:
final
Fee:
$33,543
Permit Type:
N/A
Building Type:
N/A
3428 13th ave w demolish single family residence with basement and detached garage per plan
Valuation:
$556,640
Permit #:
7038631-DM
Status:
filed
Fee:
$405
Permit Type:
N/A
Building Type:
Single family/duplex
Demolition under separate be permit bs to include a building of 1 single family residence. new single family residence driveway to be relocated off of 9th instead of 159th
Valuation:
N/A
Permit #:
25 121065 BS
Status:
plancheck
Fee:
$9,009
Permit Type:
N/A
Building Type:
N/A
Demolition of current structure under separate demolish permit 25-110371 be. rebuild of new single family residence. does not include mechanical electrical or plumbing. **add on electrical and plumbing
Valuation:
N/A
Permit #:
25 109264 BS
Status:
issued
Fee:
$18,824
Permit Type:
N/A
Building Type:
N/A
Type: land surface modification class: site development waiss lsm: site development for proposed two lot short plat in the rs7.2 zone project: waiss short plat (2 lots)
Valuation:
N/A
Permit #:
LSM21-02226
Status:
final
Fee:
$43,671
Permit Type:
N/A
Building Type:
N/A
Type: building single family class: new tjh 3 bridlewood cir single family residence *sprinklers required*- construct a new 2 story single family residence
Valuation:
N/A
Permit #:
BSF22-03971
Status:
issued
Fee:
$44,918
Permit Type:
N/A
Building Type:
N/A
Demolish existing residence and construct a new single-family home. includes right-of-way clearing & grading and storm connection. includes mechanical plumbing and electrical
Valuation:
N/A
Permit #:
21 121972 BS
Status:
final
Fee:
$27,659
Permit Type:
N/A
Building Type:
N/A
3229 17th ave s construct west single-family residence and detached accessory dwelling unit [dadu]. [establish use and construct single-family residence and single-family residences with detached accessory dwelling units [dadus] per plan. review and processing for 3 construction records under 6782858-cn.]
Valuation:
$450,000
Permit #:
6791710-CN
Status:
complete
Fee:
$3,204
Permit Type:
New
Building Type:
Single family/duplex
3229 17th ave s construct south-center single-family residence. [establish use and construct single-family residence and single-family residences with detached accessory dwelling units [dadus] per plan. review and processing for 3 construction records under 6782858-cn.]
Valuation:
$450,000
Permit #:
6791709-CN
Status:
complete
Fee:
$2,239
Permit Type:
New
Building Type:
Single family/duplex
3229 17th ave s construct east single-family residence and detached accessory dwelling unit [dadu]. [establish use and construct single-family residence and single-family residences with detached accessory dwelling units [dadus] per plan. review and processing for 3 construction records under 6782858-cn.]
Valuation:
$450,000
Permit #:
6782858-CN
Status:
filed
Fee:
$3,435
Permit Type:
New
Building Type:
Single family/duplex
Construction a new single-family residence. **demo done under separate permit 21-115204 be. includes clearing & grading storm connections and work in the right of way. does not include plumbing includes mechanical and electrical
Valuation:
N/A
Permit #:
21 110894 BS
Status:
final
Fee:
$24,741
Permit Type:
N/A
Building Type:
N/A
3013 e spruce st establish use as and construct single family residence per plan (establish use as and construct single family residence and construct retaining wall on adjacent property review and process for 2 cn's under 6777649-cn)
Valuation:
$450,000
Permit #:
6777649-CN
Status:
issued
Fee:
$7,069
Permit Type:
New
Building Type:
Single family/duplex
3934 s edmunds st. establish use as single family residence with detached accessory dwelling unit (dadu) (southeast and middle east building 2a and 2b) per plan. (construct 1 single family residence with dadu and processing of 3 records under 6788877-cn)
Valuation:
$234,226
Permit #:
6793243-CN
Status:
complete
Fee:
$3,204
Permit Type:
New
Building Type:
Single family/duplex
3934 s edmunds st. establish use as single family residence with detached accessory dwelling unit (dadu) (north building 3a and 3b) per plan. (construct 1 single family residence with dadu and processing of 3 records under 6788877-cn)
Valuation:
$234,226
Permit #:
6788877-CN
Status:
filed
Fee:
$2,585
Permit Type:
New
Building Type:
Single family/duplex
Type: land surface modification class: site development 240 5th ave w - elsm: this is an enhanced lsm or elsm for cottage development application. we plan on demolishing the existing house and building 3 cottages project: 240 5th ave w cottages
Valuation:
N/A
Permit #:
LSM22-00430
Status:
final
Fee:
$15,889
Permit Type:
N/A
Building Type:
N/A
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Sea20 A LLC Reviews
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Verified License
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Sea20 A LLC License info
License Not Verified
| License # | SEAHOHB806DO |
| 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 Sea20 A 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 # | SEAHOHB806DO |
| 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 Sea20 A LLC 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 # | SEA20L*803DO |
| Status | Inactive |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company |
- 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 Sea20 A LLC at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | SEA20L*803UO |
| Status | Inactive |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company |
- 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 Sea20 A LLC at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | SEA21L*7914G |
| Status | Inactive |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company |
- 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 Sea20 A LLC at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | SEA21L*791MG |
| Status | Inactive |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company |
- 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 Sea20 A LLC at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | SEA21L*7914G |
| 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 Sea20 A LLC 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 # | SEA21L*791MG |
| 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 Sea20 A LLC 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 # | SEA20L*803DO |
| 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 Sea20 A LLC 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 # | SEA20L*803UO |
| 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 Sea20 A LLC at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
110
BuildZoom Score
Insured
| Insurer | Hdi Global Insurance Company |
| Insured up to | $10,000,000 |
Bonded
| Bonded Agent | Atlantic Specialty Insurance Company |
| Bond Value | $12,000 |
83
Permits
- Building permit records show that Sea20 A LLC has worked on 83 permitted projects.
Sea20 A LLC Employees
BL
Beadel, Thomas Lawrence
Owner
JR
James Riela
Partner/Member
TB
Thomas Beadel
Partner/Member
TS
Tjh Seattle
Owner
TP
Tyrus Parker
Partner/Member