Updated: May 04, 2026
Location and Projects
Address
19670 OLD SANTA CRUZ HWY, Los Gatos, CA, 95033
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Mahronich Construction
Mahronich Construction, 19670 Old Santa Cruz Hwy, Los Gatos, CA (Employee: Matthew Stephen Mahronich Jr) holds a General Building license according to the California license board.
Their BuildZoom score of 94 ranks in the top 24% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mahronich Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mahronich Construction Services
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Mahronich Construction Contact Information
Phone Number: (415) 716-1999
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Address: 19670 OLD SANTA CRUZ HWY, Los Gatos, CA 95033
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Building Permits by Mahronich Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
(n)1195 sq ft secondary unit with office space
Valuation:
N/A
Permit #:
DEV19-3193
Status:
expired
Fee:
$3,091
Permit Type:
N/A
Building Type:
N/A
Construct new single family dwelling with basement and attached garage (pool house retaining walls under separate permit)
Valuation:
$1,464,012
Permit #:
06000-00000-00525
Status:
applied
Fee:
$22,987
Permit Type:
N/A
Building Type:
N/A
Building/project/master application/res garage/carport/accy building
2002-05-13
122 s.f. addition to (e) detached garage to create workshop with 1/2 bathroom. re-roof entire structure. 200 amp service upgrade
Valuation:
$13,723
Permit #:
02000-00000-01214
Status:
N/A
Fee:
$720
Permit Type:
N/A
Building Type:
N/A
Construct pool house (house and retaining walls under separate permit)
Valuation:
$72,765
Permit #:
06000-00000-00526
Status:
applied
Fee:
$2,490
Permit Type:
N/A
Building Type:
N/A
Building/project/master application/res addition & remodel
2002-05-10
Extending dining room (97 s.f.) kitchen remodel &re-roof (e) house
Valuation:
$35,566
Permit #:
02000-00000-01211
Status:
N/A
Fee:
$1,250
Permit Type:
N/A
Building Type:
N/A
Building/project/master application/res n ew single family
2001-10-23
Construct new sfd/attached garage
Valuation:
$307,528
Permit #:
01000-00000-02838
Status:
N/A
Fee:
$5,294
Permit Type:
N/A
Building Type:
N/A
Building electrical mechanical plumbing plancheck pc
2001-10-25
New 2162 sq. ft. single story home w/229 sq. ft attached garage
Valuation:
$178,737
Permit #:
2000-2990
Status:
final
Fee:
N/A
Permit Type:
New
Building Type:
N/A
Demolish single family residence
Valuation:
$0
Permit #:
01000-00000-02267
Status:
N/A
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Demolish house with attached garage
Valuation:
N/A
Permit #:
06000-00000-01434
Status:
applied
Fee:
$477
Permit Type:
N/A
Building Type:
N/A
06-527: revised retaining wall
Valuation:
N/A
Permit #:
07REV-00000-00560
Status:
applied
Fee:
$49
Permit Type:
N/A
Building Type:
N/A
Building electrical mechanical plumbing plancheck
2002-01-03
Single family residence addition game room & covered terrace ( 354 sqft)
Valuation:
$66,394
Permit #:
2001-0113
Status:
final
Fee:
N/A
Permit Type:
Additional
Building Type:
N/A
Retaining walls
Valuation:
$15,000
Permit #:
06000-00000-00527
Status:
applied
Fee:
$747
Permit Type:
N/A
Building Type:
N/A
Building/project/master application/master application
1996-12-20
New accessory building
Valuation:
$5,064
Permit #:
96000-00000-03929
Status:
N/A
Fee:
$180
Permit Type:
N/A
Building Type:
N/A
Building electrical mechanical plumbing plancheck
2002-01-03
New detached habitable structure
Valuation:
$47,633
Permit #:
2001-0734
Status:
final
Fee:
N/A
Permit Type:
New
Building Type:
N/A
Building/project/master application/master application
1998-07-24
New single family dwelling
Valuation:
$324,800
Permit #:
98000-00000-02153
Status:
N/A
Fee:
$3,780
Permit Type:
N/A
Building Type:
N/A
Deck and driveway repair
Valuation:
$22,000
Permit #:
B2009-0043
Status:
final
Fee:
$966
Permit Type:
Alteration
Building Type:
N/A
Demolish driveway
Valuation:
$4,000
Permit #:
D2009-0001
Status:
final
Fee:
$159
Permit Type:
Demolition
Building Type:
N/A
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Mahronich Construction License info
Verified License
| License # | 476969 |
| 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 Mahronich Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Bonded
| Bonded Agent | Western Surety Company |
| Bond Value | $15,000 |
9
Permits
- Building permit records show that Mahronich Construction has worked on 9 permitted projects.
Mahronich Construction Employees
MJ
Matthew Stephen Mahronich Jr
Sole Owner