Updated: May 29, 2026
Location and Projects
Address
7 41st Ave, San Mateo, CA, 94403
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GW Construction Plumber
GW Construction Co, 7 41st Ave, San Mateo, CA (Owned by: Gregory Allan Wilson) holds a General Building license and 3 other licenses according to the California license board.
Their BuildZoom score of 103 ranks in the top 10% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring GW Construction Co, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
GW Construction Co Services
Start a project today:
Custom Home Build
New Home Construction
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
Gutters and Flashing
Pole Barn
Industrial Renovation
Hotel Renovation
Warehouse Renovation
ADU
Small Multi-Family New Cons...
Small Multi-Family Remodel ...
Whole Home Remodel
Modular Home Construction
Pool House
Other Secondary Structure N...
Addition
Vertical Addition
Horizontal Addition
Vertical and Horizontal Add...
Attic Remodel
Single Room Remodel
Cosmetic Remodel
Large Multi-Family Remodel ...
Healthcare Facility Renovation
GW Construction Co Contact Information
Phone Number: (650) 888-4110
Address: 7 41st Ave, San Mateo, CA 94403
GW Construction Co San Mateo
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
GW Construction Co has a BuildZoom score of 103, which places them above 90% of 336,931 contractors in California.
Activity
|
4 projects
|
2025 |
|
1 project
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that GW Construction Co 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
|
4 projects
|
Home Additions |
|
4 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that GW Construction Co mostly works on
plumbing project
and home addition
projects.
Pricing
|
2 projects
|
< $5k |
|
1 project
|
$5k-$20k |
|
1 project
|
$100k-$250k |
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.
Conv space above garage to habitable space
Valuation:
$150,000
Permit #:
B2025-0016
Status:
issued
Fee:
$18,268
Permit Type:
Tier 1
Building Type:
N/A
D r y r o t r e p a i r | ( 1 0 6 2 0 2 1 9 : 1 2 a m v f f ) c o n t r a c t o r s e n t b a c k p e r m i t a n d p l a n s a n d r e q u e s t t o c l o s e t h e p e r m i t b c o w n e r d o e s n o t w i s h t o c o n t i n u e w t h e p r o j e c t
Valuation:
$7,000
Permit #:
B21-0398
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Apartment 2: no movement of wall or structure: moving existing vanity 7 inches to left. so we can addition stackable washer dryer inside (e) bathroom
Valuation:
$5,000
Permit #:
202406265331
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Ref to building pa# 202508012105: addition a 240 v up stairs for new washer dryer
Valuation:
N/A
Permit #:
E202509255913
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Dry rot repair replace lighting plumbing pipes see notes
Valuation:
$2,500
Permit #:
B25-1260
Status:
final
Fee:
$620
Permit Type:
Alterations
Building Type:
N/A
Set up for washer dryer set new value for tub
Valuation:
N/A
Permit #:
PP20250925899
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Apartment #2: 2-plugs 1 for washer & 1 for dryer
Valuation:
N/A
Permit #:
E202407035393
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Apartment #2: drain for washer
Valuation:
N/A
Permit #:
PP20240703712
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Clean out
Valuation:
N/A
Permit #:
SEW2021-00117
Status:
final
Fee:
$687
Permit Type:
Lower
Building Type:
N/A
Residential single story addition (85 sf) and remodel (124 sf). scope of work includes bump out and remodel of kitchen and replacing sliding glass door with a window at a bedroom
Valuation:
$28,540
Permit #:
12000-01818
Status:
issued
Fee:
$1,927
Permit Type:
N/A
Building Type:
N/A
Commercial alteration or addition - plan check-permit
2004-11-18
Cross street:old julian highway description of work:metal cover (2, 424 sq. ft.) with metal piers for an existing riding corral at golden eagle farms owned by betty l. mabee trustee.-ded 10/20/2004
Valuation:
$18,180
Permit #:
PDS2004-1021-20040238
Status:
complete
Fee:
$372
Permit Type:
N/A
Building Type:
N/A
Remove and replace floor joists in carport area
Valuation:
$4,725
Permit #:
BLD2022-00245
Status:
final
Fee:
$1,205
Permit Type:
Accessory structure
Building Type:
N/A
Redoing two existing bathrooms new tub tile vanities toilets exhaust fans. includes all subs
Valuation:
$0
Permit #:
BI-2013-3058
Status:
issued
Fee:
$922
Permit Type:
N/A
Building Type:
N/A
Bathroom remodel
Valuation:
$12,000
Permit #:
BLD2016-01168
Status:
ISSUED
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Building addition new 12x36 inch window located in the master bathroom (byc)
Valuation:
N/A
Permit #:
BLD2013-01250
Status:
final
Fee:
$87
Permit Type:
N/A
Building Type:
N/A
Residential alteration or addition - plan check-permit
2003-09-11
Office:sm cross street: mission description of work: 282 sf addition to existing single family dwelling. plan change to addition pop out windows. rln 26 sept 2003
Valuation:
$28,482
Permit #:
PDS2003-1004-20030710
Status:
complete
Fee:
$728
Permit Type:
N/A
Building Type:
N/A
Response to swn2005-00082 - repair dry rot damage to driveway deck resubmittal #1 czn 9/12/05 engineer calculations
Valuation:
$6,000
Permit #:
BLD2005-01099
Status:
final
Fee:
$578
Permit Type:
N/A
Building Type:
N/A
12-1818: addition window at kitchen area
Valuation:
N/A
Permit #:
12REV-00538
Status:
issued
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Notice: an enclosure of 200 sq feet to the second story of an existing deck to a single family residence
Valuation:
$35,000
Permit #:
BLD2007-00533
Status:
final
Fee:
$1,358
Permit Type:
Addition
Building Type:
N/A
Office: sm cross street:warmlands description of work: overhead to u/g 200 amps
Valuation:
$3,920
Permit #:
PDS2003-1007-20030727
Status:
complete
Fee:
$124
Permit Type:
N/A
Building Type:
N/A
GW Construction Co Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
GW Construction Co License info
Verified License
| License # | 1010491 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for GW Construction Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 557704 |
| Status | Active |
| State | California |
| Type | Parking And Highway Improvement, General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for GW Construction Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 988421 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for GW Construction Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 555707 |
| Status | Inactive |
| State | California |
| Type | General Building, Manufactured Housing |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for GW Construction Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
Bonded
| Bonded Agent | Accredited Surety & Casualty Company Inc |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
27
Permits
- Building permit records show that GW Construction Co has worked on 27 permitted projects.
GW Construction Co Employees
GJ
George Edward Wilkie Jr
Owner
GW
Greg Robert Watson
Sole Owner
GW
Gregory Allan Wilson
Owner
GC
Gregory Dawson Colla
RMO/CEO/PRES
VC
Vicki Lynne Colla
Officer