What is the phone number for Countywide Mechanical Systems?

(619) 449-9900. You call Countywide Mechanical Systems directly; AssistAnt never sits in the middle.

Where is Countywide Mechanical Systems?

Countywide Mechanical Systems serves El Cajon, CA as a service-area business (no street address shown).

Is Countywide Mechanical Systems still in business?

Listed from public business records, last updated September 30, 2026. Call to confirm.

Is Countywide Mechanical Systems licensed and insured?

Not verified by AssistAnt yet. Ask for proof of license and insurance before you hire.

Who else is near El Cajon?

AssistAnt lists 197 HVAC companies near El Cajon. Closest to Countywide Mechanical Systems: Air Temperature Specialists (0.1 mi), Strang Heating & Ac (0.2 mi), Hurn Mechanical Heating & Cooling (0.3 mi).

Countywide Mechanical Systems · (619) 449-9900

AssistAnt › Pro directory › El Cajon, CA

What we do

Services

❄️Heating & air conditioning (HVAC)

Checked, with dates

🧾 Trust Card · 2 receipts

Listed in the AssistAnt 24/7 directoryBusiness record from Overture Maps open business data (CDLA-Permissive-2.0).
Sep 30
Shown as open for business in the source dataOperating status in the business record.
Sep 30

Not verified yet: Owner has not confirmed this listing yet; License and insurance not reviewed by AssistAnt yet; No AssistAnt job history linked to this listing yet.

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In their words

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Where

Service area

Map of the El Cajon, CA area (© Google). Is this your business? Claim it and put up your own photos →

About Countywide Mechanical Systems

Countywide Mechanical Systems is listed on AssistAnt for heating & air conditioning (hvac) in El Cajon, CA.

Built from public business information. Call to confirm before you go.

Contact

Phone: (619) 449-9900
Website: countywidems.com
Location: El Cajon, CA, 92020 (service area)
Booking: Not bookable online yet. Call the business directly.

Listed from public recordsNot verified yet. Details come from open business data and may be out of date.See the Trust Card: what we checked, how and when →

Quick facts about Countywide Mechanical Systems

What is the phone number for Countywide Mechanical Systems?: (619) 449-9900. You call Countywide Mechanical Systems directly; AssistAnt never sits in the middle.
Where is Countywide Mechanical Systems?: Countywide Mechanical Systems serves El Cajon, CA as a service-area business (no street address shown).
Is Countywide Mechanical Systems still in business?: Listed from public business records, last updated September 30, 2026. Call to confirm.
Is Countywide Mechanical Systems licensed and insured?: Not verified by AssistAnt yet. Ask for proof of license and insurance before you hire.
Who else is near El Cajon?: AssistAnt lists 197 HVAC companies near El Cajon. Closest to Countywide Mechanical Systems: Air Temperature Specialists (0.1 mi), Strang Heating & Ac (0.2 mi), Hurn Mechanical Heating & Cooling (0.3 mi).

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Other HVAC companies nearby

Air Temperature SpecialistsEl Cajon, CA · 0.1 mi
Strang Heating & AcEl Cajon, CA · 0.2 mi
Hurn Mechanical Heating & CoolingEl Cajon, CA · 0.3 mi
Air Flex - HVAC & SolarEl Cajon, CA · 0.3 mi
TK Services, IncEl Cajon, CA · 0.3 mi
One-Hour Heating & Air ConditioningEl Cajon, CA · 0.3 mi

All HVAC companies near El Cajon, CA (197) →

Every trade and local freelancer in El Cajon →

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