PORTER BOILER SERVICE INC
B| C-4 — SIGNAL HILL, California
Record looks clean.
Active B| C-4 contractor license in California, issued 1965. No open issues on file as of the retrieval date. Covers B| C-4 in SIGNAL HILL.
- Active through 12/31/2027
- Bonded $25000
- WC on file
- No complaints
California state licensing board · retrieved 12/19/2025
The record
License
- Number
- 239280
- Status
- active
- Issued
- 11/15/1965
- Expires
- 12/31/2027
Coverage
- Contractor bond
- $25,000
- Bond company
- OHIO CASUALTY INSURANCE COMPANY (THE)
- Workers comp
- INSURANCE COMPANY OF THE WEST
- Wage bond
- $0
Business
- Owner
- Is this you? →
- County
- Los Angeles
History
- Complaints (3 yrs)
- 0
- Disciplinary
- None on file
- Permits on file
- 8
- Pending actions
- None
Licensed to do
- B| C-4 — B| C-4
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Claim this profile →Disciplinary & complaints
No disciplinary actions on file.
Building permits (8)
Source: LA City Open Data (LADBS)
Bldg-Alter/Repair — Commercial
800 -800 W 1ST ST, 90012
eplan. provide structural anchorage for new boiler equipment. (the us
$2,000
2021-05-11
Permit Finaled
Bldg-Alter/Repair — Commercial
200 -200 S OLIVE ST, 90012
PROPOSED ADDITION OF (2) NEW STORAGE TANKS AT BUIILDING "D"
$5,000
2021-04-07
Permit Finaled
Bldg-Alter/Repair — Commercial
257 -257 S HILL ST, 90012
PROPOSED ADDITION OF TWO NEW STORAGE TANKS AT BLDG B.
$5,000
2021-04-07
Permit Finaled
Bldg-Alter/Repair — Commercial
8943 -8943 N OSO AVE, 91311
Install (1) 4' x 5' x 12" thick concrete pad and 2' x 5' x 7' high sup
$5,000
2020-02-04
Issued
Bldg-Alter/Repair — Commercial
675 -675 S ARDMORE AVE, 90005
TO EXPAND (E) 4" CONCRETE PAD FOR NEW MECHANICAL EQUIPMENT AT LOWER BA
$1,500
2020-01-28
Permit Finaled
Bldg-Alter/Repair — Apartment
10375 -10375 W WILSHIRE BLVD, 90024
New equipment pads within existing equipment room at basement level of
$10,000
2018-06-01
Permit Finaled
Bldg-Alter/Repair — Commercial
2052 -2052 S CENTURY PARK, 90067
INSTALLATION OF (4) BOILERS PADS IN BASEMENT OF EXISTING BUILDING.
$2,000,000
2017-07-12
Refund Completed
Commercial Alteration-Addn — 3311 - COM - Misc. (Antennas, Canopy, Racks)
2033 MARILYN LN, SAN MARCOS, CA 92069
Cross street: OLIVE ST Description of Work: 463 SQFT CANOPY FOR 2 NEW BOILERS; MISC ELEC, PLUMB, MECH FOR "HOKTO KINOKO" MUSHROOM GROWING FACILITY. 2-24-2011 Structural plan change reducing steel c
2011-01-27
Completed
Status history
- Last updated
- 12/19/2025
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Official record
Source of record: Contractors State License Board (CSLB). Raw record ID: #239280
California state licensing board · retrieved 12/19/2025