Updated: Dec 26, 2025
Location and Projects
Address
6005 Golden Eagle Way, Clayton, CA, 94517
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411 HVAC LLC
Where a full HVAC business which is family owned and operated. We are a carrier dealer, and work on all makes and models. There is no small or big job we can not handle.
From BuildZoom: 411 HVAC LLC, 6005 Golden Eagle Way, Clayton, CA (Employee: Mauluddi Said Opeyany) holds a Warm Air Heating, Ventilating And Air Conditioning license according to the California license board.
Their BuildZoom score of 107 ranks in the top 6% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring 411 HVAC LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
411 HVAC LLC Contact Information
Phone Number: (925) 953-3007
Address: 6005 Golden Eagle Way, Clayton, CA 94517
411 HVAC LLC Clayton
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
411 HVAC LLC has a BuildZoom score of 107, which places them above 94% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
5 projects
|
2024 |
|
22 projects
|
2023 |
Our building permit records indicate that 411 HVAC LLC has worked on at least
29.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
28 projects
|
HVAC projects |
|
14 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that 411 HVAC LLC mostly works on
hvac project
and mechanical project
projects.
Pricing
|
6 projects
|
< $5k |
|
18 projects
|
$5k-$20k |
|
3 projects
|
$20k-$50k |
The typical size of their permits is approximately $10,095. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
411 HVAC LLC Reviews
5 out of 5 stars, based on
1
review
-
By AnonymousSeptember 14, 2014Fix ac$2751 dayAc service
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install 2 -stage furnace 80% 3-ton coil extend existing electric two air conditioning **missing cf1re form cannot verify afue rating hspf rating seer rating require hers report at final inspection elctrical can only be for air conditioning unit no electrical allowed for anthing else not directly part of air conditioning unit. climate zone 12** -dnsilva
Valuation:
$27,800
Permit #:
BIM22-010839
Status:
final
Fee:
$911
Permit Type:
N/A
Building Type:
N/A
Replace existing heater with a heat pump. addition air handler new ducts replace air conditioning with heat pump. existing electrical will supply air handler from main
Valuation:
$15,500
Permit #:
BLD2024-07946
Status:
complete
Fee:
$307
Permit Type:
N/A
Building Type:
N/A
Minor permit for reroof hvac water heater seismic gas shut-off valve. (r-3 occupancies only)
2023-02-27
Use existing high volt and run to the heat pump out side. run existing high volt from main to the air handler install new heat pump install new air handler
Valuation:
$14,900
Permit #:
B2023-00881
Status:
issued
Fee:
$127
Permit Type:
N/A
Building Type:
N/A
New 5 ton air handler new 5 ton heat pump use existing power for air handler high volt **hers report may be required at final inspection**
Valuation:
$19,900
Permit #:
BIM23-004229
Status:
final
Fee:
$738
Permit Type:
N/A
Building Type:
N/A
Swop out existing hvac with heat pump &new ducts install new 4 ton air handler new4 ton heat pump run new ducts run from existing power supply to air handler ** hers report required at final**
Valuation:
$31,900
Permit #:
BIM23-008005
Status:
final
Fee:
$808
Permit Type:
N/A
Building Type:
N/A
Swop out existing heating & air conditioning 9/11/23 - revision **2 units (one upstairs and one downstairs) will be replaced** fabdul-rahman **hers report may be required at final inspection**
Valuation:
$20,900
Permit #:
BIM23-006277
Status:
final
Fee:
$762
Permit Type:
N/A
Building Type:
N/A
Swop out exsisting 2 heater two stage furnace 96% 4ton 2 evaprator one 4 ton one stage condenser one 4ton 2 stage condenser
Valuation:
$33,800
Permit #:
BIM22-010331
Status:
final
Fee:
$1,015
Permit Type:
N/A
Building Type:
N/A
3 ton heat pump 3 ton air handler new electrical for both of them & duct work ** hers report required at final. fabdul-rahman**
Valuation:
$16,900
Permit #:
BIM22-012764
Status:
final
Fee:
$705
Permit Type:
N/A
Building Type:
N/A
95% afue 40kbtu furnace change out located in crawlspace r8 ductwork change out 60
Valuation:
$11,600
Permit #:
B2025-02974
Status:
issued
Fee:
$274
Permit Type:
N/A
Building Type:
N/A
Swop out existinghvac new 95% furnace new 5ton evaproator new 5 ton air conditioning **hers report may be required at final inspection**
Valuation:
$12,900
Permit #:
BIM23-004590
Status:
final
Fee:
$569
Permit Type:
N/A
Building Type:
N/A
Swop out existing hvac **climate zone 12 hers report required at final inspection** -dnsilva
Valuation:
$11,400
Permit #:
BIM22-013488
Status:
final
Fee:
$576
Permit Type:
N/A
Building Type:
N/A
Swop out existing hvac/retrofit ** hers report required at final. ** fabdul-rahman
Valuation:
$23,900
Permit #:
BIM22-009282
Status:
final
Fee:
$885
Permit Type:
N/A
Building Type:
N/A
(rm) - mechanical - 1 & 2 unit residential (building)
2019-04-29
Remove and replace floor furnace at existing single family dwelling. 4/4/2019 revised scope: remove & replace existing 95% high-efficiency fau system at single family dwelling
Valuation:
N/A
Permit #:
RM1802552
Status:
final
Fee:
$330
Permit Type:
N/A
Building Type:
N/A
Swop out existing furnace**afue 0.81 seer 14** **hers report required at final inspection**
Valuation:
N/A
Permit #:
BIM21-009373
Status:
final
Fee:
$449
Permit Type:
N/A
Building Type:
N/A
Swop out existing furnace
Valuation:
$5,500
Permit #:
BIM23-003477
Status:
final
Fee:
$284
Permit Type:
N/A
Building Type:
N/A
Swop out existing furnace **hers report may be required at final**rgeorge
Valuation:
$6,500
Permit #:
BIM23-003170
Status:
final
Fee:
$253
Permit Type:
N/A
Building Type:
N/A
Minor permit for reroof hvac water heater seismic gas shut-off valve. (r-3 occupancies only)
2023-03-09
Swop out exsisting wall heater
Valuation:
$3,100
Permit #:
B2023-01078
Status:
canceled
Fee:
$127
Permit Type:
N/A
Building Type:
N/A
Minor permit for reroof hvac water heater seismic gas shut-off valve. (r-3 occupancies only)
2023-02-05
Swop out existing furnace
Valuation:
$5,500
Permit #:
B2023-00523
Status:
issued
Fee:
$127
Permit Type:
N/A
Building Type:
N/A
Minor permit for reroof hvac water heater seismic gas shut-off valve. (r-3 occupancies only)
2023-02-16
Swop out existing heater
Valuation:
N/A
Permit #:
B2023-00714
Status:
issued
Fee:
$127
Permit Type:
N/A
Building Type:
N/A
Residential hvac - heating ventilation air conditioning
2022-10-07
Replace and install furnace 96%/ac 14/15 seer
Valuation:
$13,300
Permit #:
M22-028265
Status:
final
Fee:
$327
Permit Type:
N/A
Building Type:
N/A
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
411 HVAC LLC License info
Verified License
| License # | 993500 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Limited Liability Company (Llc) |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for 411 HVAC LLC at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
Insured
| Insurer | Continental Casualty Company |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Travelers Casualty & Surety Company Of America |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Norguard Insurance Company |
185
Permits
- Building permit records show that 411 HVAC LLC has worked on 185 permitted projects.
411 HVAC LLC Employees
MO
Mauluddi Said Opeyany
Sole Owner
I used 411 heating&ac, for a call. They where very professional and explained what the issue and solution was. I was very satisfied with his service.