Updated: Jun 17, 2026
Location and Projects
Address
4655 E OLYMPIC BLVD, Los Angeles, CA, 90022
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Dons Plumbing & Heating Co
Dons Plumbing & Heating Co, 4655 E Olympic Blvd, Los Angeles, CA (Owned by: Donald James Lassins) holds a General Building, Fire Protection, Warm Air Heating, Ventilating And Air Conditioning, Plumbing license and 2 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 Dons Plumbing & Heating Co, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Dons Plumbing & Heating Co Contact Information
Phone Number: (949) 290-8806
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Address: 4655 E OLYMPIC BLVD, Los Angeles, CA 90022
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Building Permits by Dons Plumbing & Heating Co
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install fire sprinkler system per nfpa 13d. 1 domestic water meter. *****front house****
Valuation:
N/A
Permit #:
20043-10000-03090
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Install fire sprinkler system per nfpa 13d. 1 domestic water meter
Valuation:
N/A
Permit #:
20043-10000-03083
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Tenant improvement
Valuation:
N/A
Permit #:
25042-90000-16904
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Repair rain water drains comply with department order effective date 01/29/2018. permit will expire 30 days from issuance date
Valuation:
N/A
Permit #:
18042-10000-23822
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plan check only for potable water tenant improvement. permit fees paid under 18042-90000-10638 and 18042-90000-14950
Valuation:
N/A
Permit #:
18042-10000-15500
Status:
approved
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement addition of 6 total heads
Valuation:
N/A
Permit #:
19043-10000-05991
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement. adding men's and women's restrooms. adding two showers and a drinking fountain
Valuation:
N/A
Permit #:
18042-90000-10638
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Residence spk (13) heads
Valuation:
N/A
Permit #:
FPCK20-000394
Status:
approved
Fee:
$277
Permit Type:
Modification
Building Type:
N/A
Tenant improvement
Valuation:
N/A
Permit #:
19042-90000-21479
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
New fire sprinkler system 117 heads
Valuation:
$25,000
Permit #:
1809190014
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing for coffee bar
Valuation:
N/A
Permit #:
18042-90000-22023
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
19042-10002-21479
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Sprinkler system multi family and commercial - alterations
2015-03-28
Installation of automatic fire sprinkler in accordance with the glendale building and safety code. tenant improvement. storage density change 72 heads and 1-inlet. box#239 item#24 revision 10-15-14": adding 12 heads
Valuation:
N/A
Permit #:
FPSS1422433
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of (28) dry sprinklers in converted cold kitchen of existing kitchen area (walk-in cooler)
Valuation:
N/A
Permit #:
15043-10000-00426
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plan check and permit for fire sprinkler system and underground for east building-school. required flow = 154.37 gpm @ 37.73 psi. sar report 169 psi static 0 gpm @ 118psi 600 gpm @ 113 psi
Valuation:
N/A
Permit #:
09043-10000-02088
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
New piping and fire sprinklers for the rebuild of the fire damaged area connecting to the existing fire sprinkler system\ permit also includes the 75 replaced heads in the none fire area
Valuation:
N/A
Permit #:
03043-10000-00874
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Bell trap for cond. drain
Valuation:
N/A
Permit #:
17042-90000-01605
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Misc replacement of damaged drains. correction of existing water heater vent. correction of water heater seismic bracing and water heater standards
Valuation:
N/A
Permit #:
11042-90000-00176
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Tenant improvement
Valuation:
N/A
Permit #:
17042-10000-00751
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement rest room upgrade
Valuation:
N/A
Permit #:
14042-90000-14989
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Dons Plumbing & Heating Co License info
Verified License
| License # | 372403 |
| Status | Active |
| State | California |
| Type | General Building, Fire Protection, Warm Air Heating, Ventilating And Air Conditioning, Plumbing |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Dons Plumbing & Heating Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 271262 |
| Status | Inactive |
| State | California |
| Type | Plumbing, Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Sole Ownership |
- 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 Dons Plumbing & Heating Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 735397 |
| Status | Inactive |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership |
- 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 Dons Plumbing & Heating Co 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 | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Benchmark Insurance Company |
127
Permits
- Building permit records show that Dons Plumbing & Heating Co has worked on 127 permitted projects.
Dons Plumbing & Heating Co Employees
DW
Donald Francis Wiltz
Rmo / Ceo / Pres
DL
Donald James Lassins
Owner
MW
Michael John Wiltz
Sole Owner