Updated: May 05, 2026
Location and Projects
Address
5400 ROSECRANS AVENUE, Hawthorne, CA, 90250
Use our bidding system to
request a quote
Seems Mechanical Corp
Seems Mechanical Corp, 5400 Rosecrans Ave, Hawthorne, CA (Owned by: Isaac Zaharoni) holds a Fire Protection, Plumbing license and 5 other licenses 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 Seems Mechanical Corp, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Seems Mechanical Corp Contact Information
Phone Number: (310) 297-2737
Edit
Address: 5400 ROSECRANS AVENUE, Hawthorne, CA 90250
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Building Permits by Seems Mechanical Corp
This is a sample of this contractor's permits. Click here to access their complete permit history.
Delta-3 revisions to approved plans. revised elevator circuit wiring and additional circuits for elevator equipment room conditioning. plan check for power. ***original work description*** [eplan] full pc for power and energy for new 36-unit 4 story apartment over 1 level of at grade parking. scope of work includes new 1200a 120/208v 3ph service sub panels power lighting and controls.... see more
Valuation:
N/A
Permit #:
23041-20002-15350
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Potable water system with booster pump waste/vent system with two sewage ejector systems medium pressure gas system and storm waste system with two sump pump systems. 6 domestic water meter 6 rp backflow preventer
Valuation:
N/A
Permit #:
23042-10000-12147
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Revision to approved plans under 23042-10000-12147. revising make and models of (2) duplex sump pump systems and (2) sewage ejector systems. no change to incoming loads
Valuation:
N/A
Permit #:
23042-10005-12147
Status:
approved
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Revision to addition a hub drain & trap primer. previously approved plan under #23042-10003-12147
Valuation:
N/A
Permit #:
23042-10004-12147
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Revision to previously approved plan 21042-10000-34473 and 21042-10003-34473. addition of gas outlets to low pressure gas system
Valuation:
N/A
Permit #:
21042-10005-34473
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Revision to previously approved plans under #21042-10001-06546. revised calculations fixtures potable water risers and waste&vent risers. 4 water meter and 4 bfp
Valuation:
N/A
Permit #:
21042-10002-06546
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Revisions to previously approved plan #23042-10000-12147. revise gas riser diagram and addition gas pressure regulators
Valuation:
N/A
Permit #:
25042-10000-14984
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Changes to an approved set of plans. changes include additional circuits stairwell lighting revision and updated 4 upper stream feeder sizes. all changes under delta-3 only. ___________________________________________ <<<plan check for power and energey for (new) 695 units apartment with 24, 900 sf of retail 5 stories. there are (5) services in compliance with article 230.2(c).>>>
Valuation:
N/A
Permit #:
16041-10009-34516
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Installation of plumbing systems including potable water waste & vent and sump pump system. 2 water meter 3 backflow device and 3 prv. ***customer requests plans to stay in van nuys***
Valuation:
N/A
Permit #:
23042-20000-01307
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Plan check for ti-24 only. revisions clouded on delta 1 and 2
Valuation:
N/A
Permit #:
21041-10002-83078
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
>>supplement to ele19-01720<< ten imp: ican torrance - upgrade service to 400a
Valuation:
$450,000
Permit #:
ELE20-01525
Status:
complete
Fee:
$111
Permit Type:
N/A
Building Type:
N/A
2 domestic water meter 2 1/2 rp backflow device. installation of new plumbing system including potable water waste/vent storm drainage and sump pump systems
Valuation:
N/A
Permit #:
21042-20000-34434
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Plan check only. revision to previoulsy approved plans. revised pump make and model onlt. permit fees under 22042-10000-19406
Valuation:
N/A
Permit #:
22042-10001-19406
Status:
approved
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Site water and sewer. 6 domestic water meter with 6 rp backflow preventer. approved plumbing plans under 23042-10000-12147
Valuation:
N/A
Permit #:
24042-10000-04765
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Change to an approved set. change under delta 6. change includes adding (3)10kva transformers to feed garage gates. change are taking effects in panels gpb and gpb1 only. original scope: full pc for new 6 story apartment building (109 units) with subterranean parking garage and retail on ground floor. 21 typical units. new service rated 4000 amps 208/120 3phase 4wire. total sqft =1034... see more
Valuation:
N/A
Permit #:
16041-10004-39068
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Changes to an approved set of plans. all changes are clouded under delta 5. changes include adding bug eyes for stairways adding circuits for gymnasium space revising title 24 calculations and adding a current limiting panel for in the electrical room
Valuation:
N/A
Permit #:
16041-10003-39068
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Potable water waste/vent medium pressure gas and rainwater for 111 factory built multifamily units. work does not include the plumbing within the units laundry room common area restroom and janitor closet. connection to new 4 inch domestic water meter with 4 inch rp backflow preventer
Valuation:
N/A
Permit #:
18042-10000-29409
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
New plumbing system for 6 story apartment building. includes domestic water with booster pump waste/vent medium pressure gas system and rainwater system. (sump pump subsurface drainage and sewage ejector under 16042-10000-16612). 6 water meter with backflow device
Valuation:
N/A
Permit #:
16042-10000-19764
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplememtal permit to revise scope of work to addition (4) motors (2) transformers (4) panels and (30) branch circuits. and change in address and legal from 6151 n. radford st. to 11950 w. erwin st. date: 01/10/2020 approved by boe
Valuation:
N/A
Permit #:
19041-20001-52936
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
New plumbing system for 61 units condo building 5 stories over 2 underground parking levels. work includes water waste sewage ejector (2) sump pumps and rain water system
Valuation:
N/A
Permit #:
18042-10000-03258
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Similar Contractors See more
142
BZ Score
$6K
Avg Project
-
Projects
146
BZ Score
$9.2K
Avg Project
-
Projects
138
BZ Score
$14K
Avg Project
-
Projects
Seems Mechanical Corp Reviews
BuildZoom hasn't received any reviews for Seems Mechanical Corp. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Let us find you an HVAC pro in your area today
We'll search our vast network of HVAC Pros and connect
you with one that meets your needs today.
Verified License
BuildZoom confirmed this contractor's license
Seems Mechanical Corp License info
Verified License
| License # | 713978 |
| Status | Active |
| State | California |
| Type | Fire Protection, Plumbing |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Seems Mechanical Corp at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 741907 |
| Status | Active |
| State | California |
| Type | General Building, Electrical, Warm Air Heating, Ventilating And Air Conditioning, Plumbing, Refrigeration, Flooring And Floor Covering, Painting And Decorating |
| Business Type | Corporation |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Seems Mechanical Corp at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 864917 |
| Status | Active |
| State | California |
| Type | General Building, Electrical, Fire Protection, Warm Air Heating, Ventilating And Air Conditioning, Plumbing, Refrigeration |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Seems Mechanical Corp at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 741907 |
| Status | Inactive |
| City | Oceanside |
| Type | Contractor |
| Business Type | Corporation |
- According to the City of Oceanside, CA, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Seems Mechanical Corp at the City of Oceanside, CA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 141605 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning, Plumbing |
| Business Type | Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Seems Mechanical Corp at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 140476 |
| Status | Inactive |
| State | California |
| Type | Plumbing |
| Business Type | Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Seems Mechanical Corp at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Security National Insurance Company |
561
Permits
- Building permit records show that Seems Mechanical Corp has worked on 561 permitted projects.
Seems Mechanical Corp Employees
DG
D F Grier
Qualify Partner
DZ
Daniel Saul Zaharoni
Officer
EI
Edward Bryant Hutcherson Iii
Ceo / President
EJ
Edward Bryant Hutcherson Jr
Ceo / President
EH
Edward Hutcherson
Co Owner
IZ
Isaac Zaharoni
Rmo
IZ
Isaac Zaharoni
Owner
MH
Matthew Bryant Hutcherson
Officer
PS
P J Seems
General Partner
PS
Paul J Seems
Sole Owner
SR
Stephen James Rothhammer
Rme