Updated: May 17, 2026
Location and Projects
Address
331 TAMALPAIS DRIVE, Corte Madera, CA, 94925
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Guillermo Montoya Construction
Serving clients in Corte Madera and Marin County, Guillermo Montoya brings nearly three decades of experience to residential construction projects. Active since 1995, Montoya specializes in a range of home renovation and remodeling services, including kitchen and bathroom updates, drywall installation, interior and exterior painting, and general carpentry. Projects have included both interior and exterior improvements, addressing everything from minor repairs to larger-scale remodels. Guillermo Montoya works with homeowners throughout the region, delivering building and repair solutions tailored to the unique architecture and requirements of Marin County residences. With a consistent focus on residential properties, Montoya offers clients an established knowledge of local building practices and standards developed through years of area-specific project work.
Guillermo Montoya Services
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Guillermo Montoya Contact Information
Phone Number: (415) 377-1666
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Address: 331 TAMALPAIS DRIVE, Corte Madera, CA 94925
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Guillermo Montoya Corte Madera
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Guillermo Montoya has a BuildZoom score of 103, which places them above 90% of 336,931 contractors in California.
Activity
|
5 projects
|
2025 |
|
6 projects
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that Guillermo Montoya has worked on at least
14.0 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
|
7 projects
|
< $5k |
|
2 projects
|
$5k-$20k |
The typical size of their permits is approximately $1,200. This graph shows the distribution of these job values.
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.
Replace 100 amp main panel with 100 amp in same location exterior wall of pool house
Valuation:
$6,000
Permit #:
B2024-2831
Status:
final
Fee:
$394
Permit Type:
Non residence ele...
Building Type:
N/A
Replace mecanical fire alarm bell for electrical
Valuation:
$1,000
Permit #:
F2502-010
Status:
final
Fee:
$314
Permit Type:
Fire alarm
Building Type:
N/A
Replace outdated 100 amps zinsco panel
Valuation:
$1,200
Permit #:
E2504-013
Status:
final
Fee:
$125
Permit Type:
New sub panel
Building Type:
N/A
Replace outdated 100 amps zinsco panel
Valuation:
$1,200
Permit #:
E2503-093
Status:
final
Fee:
$125
Permit Type:
New sub panel
Building Type:
N/A
Install 100 gallons water heater in the same place
Valuation:
N/A
Permit #:
P2305-027
Status:
final
Fee:
N/A
Permit Type:
50-100 gl water h...
Building Type:
N/A
Combine 2/3/4/5 suites into large one
Valuation:
N/A
Permit #:
B2301-069
Status:
final
Fee:
N/A
Permit Type:
Alter-commercial
Building Type:
N/A
Panel replace in pool house located at 400 vista del mar
Valuation:
N/A
Permit #:
E2401-001
Status:
final
Fee:
N/A
Permit Type:
125 amp svc panel...
Building Type:
N/A
Restore water damaged firewall
Valuation:
$8,000
Permit #:
B2504-092
Status:
final
Fee:
$836
Permit Type:
Alter-sfd
Building Type:
N/A
Replace outdated 100 amps zinsco panel
Valuation:
$1,000
Permit #:
E2410-057
Status:
final
Fee:
$125
Permit Type:
New sub panel
Building Type:
N/A
Replace outdated 100 amps zinsco panel
Valuation:
N/A
Permit #:
E2408-040
Status:
final
Fee:
$169
Permit Type:
New sub panel
Building Type:
N/A
Replace rusted-out gas line from meter to building wall
Valuation:
N/A
Permit #:
P2107-015
Status:
final
Fee:
$125
Permit Type:
Gas line with app...
Building Type:
N/A
Opening for new fix glass window on non bearing wall
Valuation:
N/A
Permit #:
B2105-002
Status:
final
Fee:
$220
Permit Type:
Alter-commercial
Building Type:
N/A
Insulate and drywall garage with
Valuation:
N/A
Permit #:
B2102-046
Status:
final
Fee:
$397
Permit Type:
Alter-sfd
Building Type:
N/A
Replace zinsco sub-panel
Valuation:
$1,200
Permit #:
E2410-012
Status:
canceled
Fee:
N/A
Permit Type:
New sub panel
Building Type:
N/A
Replace zinsco sub-panel
Valuation:
$1,200
Permit #:
E2410-011
Status:
final
Fee:
$169
Permit Type:
New sub panel
Building Type:
N/A
Ti: merge 2 small suites into larger suite by
Valuation:
N/A
Permit #:
B2007-102
Status:
final
Fee:
$647
Permit Type:
Alter-commercial
Building Type:
N/A
Tenants tenant improvement enlarging suite
Valuation:
N/A
Permit #:
B2007-104
Status:
final
Fee:
$780
Permit Type:
Alter-commercial
Building Type:
N/A
Tenant improvement. regonfigure floor plan unit2
Valuation:
N/A
Permit #:
B1903-040
Status:
final
Fee:
$1,301
Permit Type:
Alter-commercial
Building Type:
N/A
Tenant improvement. regonfigure floor plan unit2
Valuation:
N/A
Permit #:
B1903-040
Status:
final
Fee:
$1,301
Permit Type:
Alter-commercial
Building Type:
N/A
Tenant improvement. office. reconfigure floor plan & upgrade bathroom
Valuation:
N/A
Permit #:
B1801-052
Status:
final
Fee:
$1,828
Permit Type:
Alter-commercial
Building Type:
N/A
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BZ Score
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Avg Project
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Projects
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Guillermo Montoya License info
Verified License
| License # | 701526 |
| 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 Guillermo Montoya 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 | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Everest National Insurance Company |
33
Permits
- Building permit records show that Guillermo Montoya has worked on 33 permitted projects.
Guillermo Montoya Employees
GM
Guillermo Alonso Montoya
Owner