Updated: Mar 27, 2026
Location and Projects
Address
231 Main Ave S, Renton, WA, 98057
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Cmac LLC Photos
Cmac Construction
Our Mission is to serve our clients’ by building the highest quality properties that will last for this generation, and for generations to come. Building extraordinary homes for Northwest communities is our passion, and complete customer satisfaction is our goal on every project.
From BuildZoom: Cmac LLC, 231 Main Ave S, Renton, WA (Employees: Chris Welch, WELCH, CHRIS, and WELCH, CHRIS J) holds a Construction Contractor, General license and 3 other licenses according to the Tukwila license board.
Their BuildZoom score of 116 ranks in the top 2% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Cmac LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Cmac LLC Services
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Cmac LLC Renton
Quality
116
98th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Cmac LLC has a BuildZoom score of 116, which places them above 98% of 128,670 contractors in Washington.
Activity
|
2 projects
|
2025 |
|
6 projects
|
2024 |
Our building permit records indicate that Cmac LLC has worked on at least
8.0 projects over the past 2 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
|
New Constructions |
Analyzing permits over the last 4 years shows that Cmac LLC mostly works on
new construction
projects.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$5k-$20k |
|
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.
Rnew - 2018 irc - sylvan 14010 llc - construction of a new (3) story fire sprinkled garage right orientation single family residence with 3264sf of r3 dwelling area 312sf of covered deck area and a 739sf garage. total area of construction = 4315
Valuation:
$448,238
Permit #:
BLDG-2023-03346
Status:
final
Fee:
$32,849
Permit Type:
N/A
Building Type:
N/A
Type: building single family class: new, , *chuang dadu - *sprinklers required* construct (1) new dadu on existing lot. no change to existing single family residence. shed to garage conversion per separate permit(bnr23-06703)
Valuation:
N/A
Permit #:
BSF23-06696
Status:
final
Fee:
$29,755
Permit Type:
N/A
Building Type:
N/A
Type: building non residential class: exterior alteration, , *chuang shed - addition a motorized garage door to s elevation of existing shed
Valuation:
N/A
Permit #:
BNR23-06703
Status:
final
Fee:
$644
Permit Type:
N/A
Building Type:
N/A
Hvac and gaspipe lines - (1) furnace + (1) dryer vent + (4) exhaust fans + (1) fireplace + (3) gas appliances + (1) gas piping + (1) heat pump -- 2021 imc
Valuation:
$16,000
Permit #:
MECH-2024-05809
Status:
final
Fee:
$620
Permit Type:
N/A
Building Type:
N/A
Type: building single family class: new, , live urban 2 (lot 2): construct new single family residence, , project: 1450 4th st short plat (2 lots)
Valuation:
N/A
Permit #:
BSF18-06305
Status:
final
Fee:
$12,585
Permit Type:
N/A
Building Type:
N/A
Hvac for new sfr- (2) exhaust fan (1) gas appliance (1) exhaust range- 2021 imc
Valuation:
$550
Permit #:
MECH-2024-05855
Status:
final
Fee:
$295
Permit Type:
N/A
Building Type:
N/A
Single family residence galpin , demolish existing and building new single family home fire sprinklers required
Valuation:
N/A
Permit #:
BLD2019-01411
Status:
final
Fee:
$8,989
Permit Type:
N/A
Building Type:
N/A
Type: building single family - bsf class: new, , 1430 4th st (lot 1): construct new single family home, , project: 1450 4th st short plat (2 lots)
Valuation:
N/A
Permit #:
BSF19-01763
Status:
final
Fee:
$15,017
Permit Type:
N/A
Building Type:
N/A
Type: demolition, class: demolition,,1450 4th st demo: demolish existing home (for lsm short plat and future construction of new homes on 2 lots),,project: 1450 4th st short plat (2 lots)
Valuation:
N/A
Permit #:
DEM18-06003
Status:
approved
Fee:
$570
Permit Type:
N/A
Building Type:
N/A
New single family residence - lot 4 cassiopeia
Valuation:
N/A
Permit #:
BLD2024-00952
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical
Valuation:
N/A
Permit #:
ELC2024-04246
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical
Valuation:
N/A
Permit #:
ELC2024-03233
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical
Valuation:
N/A
Permit #:
ELC2024-00857
Status:
issued
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Construction of new 900 sf detached garage
Valuation:
$40,212
Permit #:
BLD16-0010
Status:
final
Fee:
$1,353
Permit Type:
N/A
Building Type:
Alteration - sing...
No Description Available
Valuation:
N/A
Permit #:
BP-24-00252
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Construct new 252 sf residential dock
Valuation:
$16,000
Permit #:
BLD16-0012
Status:
final
Fee:
$677
Permit Type:
N/A
Building Type:
Alteration - sing...
Construction of new single family residence. square feet is as follows: main floor - 2, 407sf; upper floor - 872sf. total livabable space is 3, 234sf. garage - 1, 447sf; covered patio - 294sf; stoops/porch - 151sf. utilities are serviced by soos creek water & sewer and covington water district
Valuation:
$450,000
Permit #:
BLD15-0037
Status:
final
Fee:
$12,907
Permit Type:
N/A
Building Type:
New - single fami...
Truck crossing 2617 elsp se
Valuation:
N/A
Permit #:
ROW2020-03127
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New single family residence. main floor is 1, 549 sf; second floor is 923.1 sf. total: 2, 472.1 sf. garage is 936 sf (second floor is 712 sf)
Valuation:
$350,000
Permit #:
BLD14-0019
Status:
final
Fee:
$6,692
Permit Type:
N/A
Building Type:
New - single fami...
Construct a new sf home on plat lot 10. segregate tax id from lot 9 and create shared access driveway where existing detached garage is located to provide access to rear of existing home and shared driveway to access new home on lot 10
Valuation:
N/A
Permit #:
6375669
Status:
filed
Fee:
$135
Permit Type:
New construction
Building Type:
Single family du...
Cmac LLC Reviews
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Verified License
BuildZoom confirmed this contractor's license
Cmac LLC License info
Verified License
| License # | CMACLL*920MM |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Cmac LLC at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CMACLL*920MM |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Cmac LLC at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CMACLL*920MM |
| Status | Active |
| City | Sammamish |
| Type | Contractor |
| Business Type | Limited Liability Company |
- When BuildZoom last verified this license, it had an expiration date of July, 2022. Check the current license status of Cmac LLC with the The City of Sammamish, WA
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CMACLL 920MM |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, General |
| Business Type | Limited Liability Company |
- When BuildZoom last verified this license, it had an expiration date of July, 2018. Check the current license status of Cmac LLC with the Washington State Department of Labor & Industries
This is a sample of licensing data; click here to access a complete history.
116
BuildZoom Score
Insured
| Insurer | INTERNATIONAL INS CO OF HANNOV |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | American States Insurance Co |
| Bond Value | $12,000 |
63
Permits
- Building permit records show that Cmac LLC has worked on 63 permitted projects.
Cmac LLC Employees
CW
Chris Welch
Partner/Member
WC
WELCH, CHRIS
Governing Persons
WJ
WELCH, CHRIS J
Partner/Member