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Location and Projects

Address
P O BOX 35645, Monte Sereno, CA, 95030
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Michael Hermosillo Co Construction

Michael Hermosillo Co Inc at P O BOX 35645, Monte Sereno, CA 95030, held a General Contractor license (#447549) with the California contractors license board with an expiration date of 08-31-2009. We last verified the license was expired on 06-05-2026.

Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.

If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.

Michael Hermosillo Co Inc Contact Information

Phone: (831) 685-3243 Edit
Address: P O BOX 35645, Monte Sereno, CA 95030 Edit

Michael Hermosillo Co Inc Monte Sereno

Quality

Alert*
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are Michael Hermosillo Co Inc, click “This is My Business” to update your information.

Activity

2 projects
2025
Our building permit records indicate that Michael Hermosillo Co Inc has worked on at least 2.0 projects over the past year.

This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.

Pricing

2 projects
< $5k
Value Not Public: 2.0 projects
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.

Building Permits by Michael Hermosillo Co Inc

Sort by: Notable Notable | Date Date | Job Value Job Value
Residential - gas piping
2025-04-24
Addition (1) new gas meter (resulting in a manifold) for 695sf detached adu (under permit# bl-nres-2024-00018) for gas tankless water heater gas stacked washer/dryer and gas cooktop. (e) main home address is 32389 seneca st. detached adu address is 32387 seneca st
Valuation:
$0
Permit #:
BL-PLUMR-2025-00024
Status:
issued
Fee:
$618
Permit Type:
N/A
Building Type:
N/A
Residential - electrical service replace/upgrade
2025-04-03
Electrical service meter upgrade to 200 amps
Valuation:
$1,500
Permit #:
BL-ELER-2025-00174
Status:
issued
Fee:
$309
Permit Type:
N/A
Building Type:
N/A
Building - electrical
2017-05-25
Upgrading to 200amps
Valuation:
N/A
Permit #:
E-018266-2017
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential - addition
1998-09-16
Remodeling existing 288 sf addition 512 sf first fl addition 481 sf second fl and 66 sf wood deck at 2nd floor
Valuation:
$98,730
Permit #:
B98-000577
Status:
final
Fee:
$3,312
Permit Type:
N/A
Building Type:
N/A
Residential - addition
1998-09-01
Addition detached garage/accessory living unit below: 555 sf living unit 606 sf new garage and 117 sf new utility room
Valuation:
$53,322
Permit #:
B98-000435
Status:
final
Fee:
$2,530
Permit Type:
N/A
Building Type:
N/A
Residential - new
1999-09-28
New single family residence 1473 sf main fl 863 sf lower fl w/attach484 sf garage (demo 872 sf b98-000840)
Valuation:
$216,359
Permit #:
B98-000839
Status:
final
Fee:
$6,815
Permit Type:
N/A
Building Type:
N/A
Co: change order to bp# 149811(sfd) for the deferred submital of truss calculations
Valuation:
N/A
Permit #:
0068019M-00149811
Status:
complete
Fee:
N/A
Permit Type:
Other
Building Type:
Tpz/residence
Regular building permit
2008-09-30
Crn2007-01740: relocate water heater in existing closet to meet service equipment requirements
Valuation:
N/A
Permit #:
BLD2008-18338
Status:
final
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Residential - e - other
1999-09-28
Electrical for new single family residence 2336 sf and temp power pole
Valuation:
N/A
Permit #:
E99-000611
Status:
final
Fee:
$250
Permit Type:
N/A
Building Type:
N/A
Residential - addition
1995-06-22
Addition 2nd story bedroom addition to (e) 1 story residence
Valuation:
$61,885
Permit #:
B95-000233
Status:
final
Fee:
$2,285
Permit Type:
N/A
Building Type:
N/A
Residential - m - other
1994-08-17
1st and 2nd story addition and remodel
Valuation:
N/A
Permit #:
M94-000188
Status:
final
Fee:
$105
Permit Type:
N/A
Building Type:
N/A
Residential - misc
1995-06-22
Plumbing associated with room addition
Valuation:
N/A
Permit #:
P95-000215
Status:
final
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
Residential - m - other
1995-06-22
Mechanical associated with room addition
Valuation:
N/A
Permit #:
M95-000136
Status:
final
Fee:
$52
Permit Type:
N/A
Building Type:
N/A
Residential - e - other
1995-06-22
Electrical associated with room addition
Valuation:
N/A
Permit #:
E95-000260
Status:
final
Fee:
$127
Permit Type:
N/A
Building Type:
N/A
Residential - misc
1998-09-16
Plumbing for house remodel and addition
Valuation:
N/A
Permit #:
P98-000416
Status:
final
Fee:
$143
Permit Type:
N/A
Building Type:
N/A
Residential - m - other
1998-09-16
Mechanical for house remodel and addition
Valuation:
N/A
Permit #:
M98-000338
Status:
final
Fee:
$135
Permit Type:
N/A
Building Type:
N/A
Residential - e - other
1998-09-16
Electrical for house remodel and addition
Valuation:
N/A
Permit #:
E98-000506
Status:
final
Fee:
$226
Permit Type:
N/A
Building Type:
N/A
Residential - demolition
1999-08-27
Demolish 872 sf single family residence
Valuation:
N/A
Permit #:
B98-000840
Status:
final
Fee:
$88
Permit Type:
N/A
Building Type:
N/A
Residential - other
1998-09-01
New on-site cmu retaining wall
Valuation:
$14,784
Permit #:
B98-000886
Status:
final
Fee:
$552
Permit Type:
N/A
Building Type:
N/A
Residential - misc
1999-09-28
Plumbing for new single family residence 2336 sf
Valuation:
N/A
Permit #:
P99-000514
Status:
final
Fee:
$229
Permit Type:
N/A
Building Type:
N/A

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