Updated: Jul 22, 2026
Location and Projects
Address
1149 Willow Rd, Menlo Park, CA, 94025
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Tonkas Construction
Tonkas Construction, 1149 Willow Rd, Menlo Park, CA (Owned by: Isidro Diaz) holds a General Building license and 1 other license according to the California license board.
Their BuildZoom score of 96 ranks in the top 20% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Tonkas Construction, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Tonkas Construction Services
Start a project today:
Custom Home Build
New Home Construction
Medium Multi-Family New Con...
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
Roofing
Hardwood Flooring
Carpets
Laminate Flooring
Other Flooring
Framing
Wood Fences
Backsplash and Countertops
Stonework
Tile Flooring
Other Stone and Tile
Drywall
Interior Plaster
Brick and Blockwork
Other Masonry
Foundations
Other Concrete
Demolition
Paving, Driveways, and Side...
Excavation and Grading
Other Site Work
Tonkas Construction Contact Information
Phone Number: (669) 294-9515
Address: 1149 Willow Rd, Menlo Park, CA 94025
This is a sample of this contractor's permits. Click here to access their complete permit history.
A first floor addition of 525 square feet including a new attached garage of 438 square feet a new second story addition of 700 square feet and a 421 square foot alteration to a single family house. work includes replacing detached garage with new attached garage. use permit is received
Valuation:
$750,000
Permit #:
BLD2020-02042
Status:
complete
Fee:
$16,559
Permit Type:
Addition
Building Type:
N/A
Addition 169 sq. ft. to create a master bedroom bathroom and a closet. relocate existing service panel to the rear of the house. meps included
Valuation:
N/A
Permit #:
BLD2018-04938
Status:
complete
Fee:
$2,200
Permit Type:
N/A
Building Type:
N/A
Replace old cast-iron drain and sewer pipes
Valuation:
N/A
Permit #:
DEV23-1767
Status:
issued
Fee:
$170
Permit Type:
N/A
Building Type:
N/A
Addition/remodel - 1st fl: addition of foyer and bathroom bedroom. 2nd story: addition of master suite. new hall bathroom and laundry area. balcony above lower addition. adding 817 sq ft resubmittal # 1 - pvt - 05/03/2016 per building planning & public works comments revised sheets a2.0 a5.1 s2.1 & s1.2
Valuation:
N/A
Permit #:
BLD2016-00606
Status:
final
Fee:
$8,256
Permit Type:
N/A
Building Type:
N/A
Repair and replace damage roof lumber in kind replacement for areas of dry-rot only. 150 sq ft
Valuation:
$10,000
Permit #:
201511162727
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
New det'd garage 722sf w/truss roof & half bathroom and workshop. covered porch 103sf. wvsd # 41196 no backflow req.
Valuation:
N/A
Permit #:
BLD2013-00565
Status:
final
Fee:
$1,787
Permit Type:
N/A
Building Type:
N/A
Reroofing
Valuation:
$10,000
Permit #:
201511162729
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
R7r roof 200 amp panal main sheet rock bathroom room celing
Valuation:
N/A
Permit #:
B16-0915
Status:
final
Fee:
$493
Permit Type:
Alter/res
Building Type:
N/A
Change window into a slider
Valuation:
N/A
Permit #:
B12-1640
Status:
issued
Fee:
$97
Permit Type:
Repair residential
Building Type:
N/A
Repair stucco wall & brick facade in front wall. (no structural damages) zw1400091
Valuation:
$6,000
Permit #:
RB1401078
Status:
expired
Fee:
$605
Permit Type:
N/A
Building Type:
N/A
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Tonkas Construction License info
Verified License
| License # | 1158250 |
| Status | Active |
| State | California |
| Type | General Building |
| Date Issued | 07-20-2026 |
| Business Type | Partnership |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Tonkas Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 973916 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Partnership |
- 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 Tonkas Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
Insured
| Insurer | National Specialty Insurance Company |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | State National Insurance Company Inc |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
8
Permits
- Building permit records show that Tonkas Construction has worked on 8 permitted projects.
Tonkas Construction Employees
ID
Isidro Diaz
Owner