November 1, 20264,984 new licenses in 30 days · updated daily

New contractors in Diamond Bar, CA

3

New, 30 days

Last 7 days
1
90 days
8
On record
313
With phone
100%

3 new licenses for contractors in Diamond Bar, CA in the last 30 days, the latest on October 25, 2026. Read from the licensing records every day; renewals never count.

Latest licenses, May 18 to Oct 25Contact details partly hidden
  1. Oct 25

    AMEHS WINDOWS & GLASS DOORS

    Class C17 #••••28

    Diamond Bar, CA

    (213) •••-••65

    Los Angeles County

    (213) •••-••65

  2. Oct 18

    LILI SHENG

    Class B #••••54

    Diamond Bar, CA

    (818) •••-••53

    Los Angeles County

    (818) •••-••53

  3. Oct 14

    BIG DEMOLITION AND CONSTRUCTION

    Class B #••••61

    Diamond Bar, CA

    (562) •••-••56

    Los Angeles County

    (562) •••-••56

  4. Sep 27

    VANGUARD PLUMBING

    Class C36 #••••36

    Diamond Bar, CA

    (714) •••-••11

    Los Angeles County

    (714) •••-••11

  5. Sep 21

    KUN HO SHIN

    Class B #••••18

    Diamond Bar, CA

    (213) •••-••88

    Los Angeles County

    (213) •••-••88

  6. Sep 11

    AQUARENA WATER CONDITIONING

    Class C55 #••••47

    Diamond Bar, CA

    (909) •••-••98

    Los Angeles County

    (909) •••-••98

  7. Aug 31

    JING Y ELECTRICAL SERVICES

    Class C10 #••••91

    Diamond Bar, CA

    (909) •••-••83

    Los Angeles County

    (909) •••-••83

  8. Aug 18

    MYUNG WON I KIM

    Class C33 #••••53

    Diamond Bar, CA

    (213) •••-••09

    Los Angeles County

    (213) •••-••09

  9. Jul 20

    STEVEN JIANG

    Class B #••••55

    Diamond Bar, CA

    (626) •••-••32

    Los Angeles County

    (626) •••-••32

  10. Jul 15

    ICE MAN POWER LLC

    Class C10 #••••34

    Diamond Bar, CA

    (909) •••-••08

    Los Angeles County

    (909) •••-••08

  11. Jul 06

    DAYONE CONSTRUCTION

    Class B #••••14

    Diamond Bar, CA

    (510) •••-••99

    Los Angeles County

    (510) •••-••99

  12. Jun 24

    QD POWER INC

    Class C10 #••••84

    Diamond Bar, CA

    (909) •••-••57

    Los Angeles County

    (909) •••-••57

  13. May 22

    YU GENERAL CONSTRUCTION INC

    Class B #••••44

    Diamond Bar, CA

    (909) •••-••19

    Los Angeles County

    (909) •••-••19

  14. May 21

    SUNRISE BUILDING GROUP INC

    Class B #••••22

    Diamond Bar, CA

    (909) •••-••86

    Los Angeles County

    (909) •••-••86

  15. May 18

    XIATING CHEN

    Class B #••••47

    Diamond Bar, CA

    (510) •••-••17

    Los Angeles County

    (510) •••-••17

Full phone, email and street address on every license, in the full feed.

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15 recent licenses are shown; the rest of the list is not on this page.

3 new in 30 daysFrom $29 a month

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Diamond Bar by trade

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What's in each Diamond Bar, CA record

  • Business name
  • Owner or qualifier, where published
  • License number, type and trade
  • Street address, city, county, ZIP
  • Phone, where published
  • Email, where published
  • Issue and expiration dates
  • License status

Access opens as soon as you pay. We never add what a record didn't publish. See a sample record.

Who calls a new license in Diamond Bar, CA

A new license is the moment a contractor needs everything at once: general liability and workers' comp, a surety bond, a supplier account, job-management software, a bookkeeper, a line of credit. Agents, bonding companies, suppliers, software tools, accountants and lenders use this feed to reach contractors in Diamond Bar, CA before anyone else has. Who it's for.

Questions

Where can I find a list of licensed contractors in Diamond Bar, CA?

This page shows the latest contractors licensed in Diamond Bar, CA, with contact details partly hidden, free. The full list comes with the feed or a one-time CSV pack, with phone, email and address where the licensing records publish them.

How many new contractors are there in Diamond Bar, CA?

3 licenses in the last 30 days and 8 in the last 90, with the most recent on October 25, 2026. We hold 313 licenses here in all.

Do these records include phone numbers and email addresses?

Where the licensing records publish them: 100% of the licenses new here in the last 30 days carry a phone number and 0 carry an email address. Some states publish neither, and a record never shows a value the source did not print.

How often is this list updated?

Every day. New licenses are read from the licensing records each morning, and a renewal never counts as new.

What does it cost to see the full list?

California's full feed is $29 a month, or $99 a month for every state. Every license on record here is also sold once as a CSV for $19.

What does California's coverage include?

It covers every contractor licensed by the state, plus San Francisco and Marin County registrations.

Compiled from public licensing records. Before calling or emailing anyone on this list you are responsible for complying with the TCPA, Do Not Call rules, CAN-SPAM and any state limit on using licensee lists. Terms.