Updated: May 08, 2026
Location and Projects
Address
1534 1ST AVE S SUITE 100, Seattle, WA, 98134
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Quantum Build Construction
Quantum Build LLC operates in Seattle, WA, serving clients across the greater Seattle area. With 18 years of experience in the construction industry, the company handles a range of residential building and remodeling projects. Quantum Build's portfolio includes home additions, full remodels, and custom new home construction. The business works with homeowners seeking to update existing properties or develop new residences tailored to their needs. Based on project examples, Quantum Build manages complex renovations involving structural changes, kitchen and bath upgrades, and layout reconfigurations. Their capabilities extend to both traditional and contemporary design styles, executed according to client specifications. Quantum Build is led by professionals familiar with the local permitting process and building codes in King County and surrounding neighborhoods.
Quantum Build Llc Services
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Quantum Build Llc Contact Information
Phone Number: (206) 999-6610
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Address: 1534 1ST AVE S SUITE 100, Seattle, WA 98134
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Quantum Build Llc Seattle
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Quantum Build Llc has a BuildZoom score of 103, which places them above 90% of 128,670 contractors in Washington.
Activity
|
2 projects
|
2025 |
|
1 project
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Quantum Build Llc has worked on at least
5.0 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
|
$250k-$500k |
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.
Type: plumbing single family class: addition to structure *brooks remodel & addition: 1 bar sink 7 bathroom sinks 2 clothes washers 3 dishwashers 3 hose bibs 1 icemaker 1 instant hot water tap 2 kitchen sinks 1 laundry sinks 1 pool drain 11 roof drains - exterior 3 stand alone showers 6 toilets 3 tub/shower 1 water heater. (bsf23-04882)
Valuation:
N/A
Permit #:
PSF24-08564
Status:
issued
Fee:
$345
Permit Type:
N/A
Building Type:
N/A
Type: mechanical single family class: addition to structure *brooks remodel & addition: 1 bbq 3 fireplace gas inserts 2 gas outlets 1 generator 1 pool/spa heater 1 cooktop 1 thermostat 6 bathroom fan 2 clothes dryer 1 kitchen fan 2 laundry room fan 1 whf 1 air conditioning 1 furnace 1 heat pump 1 radiant heat. (bsf23-04882)
Valuation:
N/A
Permit #:
MSF24-08561
Status:
issued
Fee:
$350
Permit Type:
N/A
Building Type:
N/A
Type: building single family class: addition to structure *brooks remodel & addition: *sprinklers required* remodel of existing home with addition (new garage and upper floor). (msf24-08561) (psf24-08564)
Valuation:
N/A
Permit #:
BSF23-04882
Status:
issued
Fee:
$27,674
Permit Type:
N/A
Building Type:
N/A
Type: land surface modification - lsm class: site development, , 9724 116th ave s/p - two lot short plat. existing house will be demolished) clear and grade to ensure proper site drainage and create level building pads, , project: wang short plat (2 lots)
Valuation:
N/A
Permit #:
LSM16-09312
Status:
final
Fee:
$231
Permit Type:
N/A
Building Type:
N/A
Demolish - nevin
Valuation:
N/A
Permit #:
BLD2025-02419
Status:
issued
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Construction of a single family residence on a vacant lot. includes clear & grade row and storm connection. does not include mechanical electrical or plumbing
Valuation:
N/A
Permit #:
19 118291 BS
Status:
final
Fee:
$33,507
Permit Type:
N/A
Building Type:
N/A
Na residence - demolish demolish existing single family residence (portions of foundation and slab to remain) subject to field inspection (stfi)
Valuation:
$30,000
Permit #:
6776630-DM
Status:
issued
Fee:
$642
Permit Type:
N/A
Building Type:
Single family/duplex
Type: building single family - bsf class: new, , lot 1 wang residence - construct new single family residence. *sprinklers required*, , project: wang short plat (2 lots)
Valuation:
N/A
Permit #:
BSF17-00195
Status:
final
Fee:
$22,491
Permit Type:
N/A
Building Type:
N/A
Type: building single family - bsf class: addition to structure, , foley addition: remove existing garage & deck & construct new attached garage & addition to existing residence
Valuation:
N/A
Permit #:
BSF18-02177
Status:
final
Fee:
$11,707
Permit Type:
N/A
Building Type:
N/A
Demolish single family residence, to be replaced
Valuation:
N/A
Permit #:
SFR-S2022-00056
Status:
issued
Fee:
$275
Permit Type:
N/A
Building Type:
N/A
A single family residential new structure electrical project involving (1 temporary service) 19 118291 bs
Valuation:
N/A
Permit #:
20 104881 BF
Status:
final
Fee:
$69
Permit Type:
N/A
Building Type:
N/A
Side sewer ( sanitary) connection on private property 19 118291 bs
Valuation:
N/A
Permit #:
20 108618 UA
Status:
final
Fee:
$660
Permit Type:
N/A
Building Type:
N/A
Retaining walls - franky short plat
Valuation:
N/A
Permit #:
COM2022-05292
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New single family residence - nevin
Valuation:
N/A
Permit #:
BLD2024-00425
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Adu sewer connection fee
Valuation:
N/A
Permit #:
2412-157
Status:
issued
Fee:
$1,674
Permit Type:
N/A
Building Type:
N/A
Type: building single family - bsf class: new, , qb kirkland (lot2): building new single family home *sprinklers required*, , project: wang short plat (2 lots)
Valuation:
N/A
Permit #:
BSF18-00654
Status:
final
Fee:
$47,576
Permit Type:
N/A
Building Type:
N/A
Stormwater vault - franky short plat
Valuation:
N/A
Permit #:
SWV2022-05291
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install domestic water service 19 118291 bs
Valuation:
N/A
Permit #:
20 108956 UC
Status:
final
Fee:
$7,789
Permit Type:
N/A
Building Type:
N/A
New single family residence w/attached garage 4 bed, 4.5 bathroom. main level1488sf upper level 1290sf garage 340sf uncvdecks 519sf cvdecks106sf.totalsf=3743
Valuation:
$348,637
Permit #:
SFR2022-00455
Status:
issued
Fee:
$5,951
Permit Type:
N/A
Building Type:
N/A
Establish use as townhouse and construct duplex with surface parking per plan
Valuation:
$398,171
Permit #:
6531147
Status:
Permit Issued
Fee:
$7,661
Permit Type:
Multifamily
Building Type:
N/A
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173
BZ Score
-
Avg Project
-
Projects
164
BZ Score
-
Avg Project
-
Projects
164
BZ Score
$32.4K
Avg Project
-
Projects
Quantum Build Llc Reviews
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Verified License
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Quantum Build Llc License info
License Not Verified
| License # | QUANTBL841B1 |
| 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 February, 2026. Check the current license status of Quantum Build 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 # | QUANTBL841B1 |
| 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 Quantum Build Llc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
Insured
| Insurer | Wesco Insurance Co |
| Insured up to | $2,000,000 |
Bonded
| Bonded Agent | Hartford Fire Ins Co |
| Bond Value | $12,000 |
14
Permits
- Building permit records show that Quantum Build Llc has worked on 14 permitted projects.
Quantum Build Llc Employees
MR
Mary Ross
Partner/Member
PR
Patrick Ross
Partner/Member
RD
Ross, Patrick David
Owner