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Location and Projects

Address
4105 California Ave, Saint Louis, MO, 63118
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J. Barnes & Sons Heating & Cooling LLC

Installation of furnace's, heat pumps, water heater's (gas/electric), boilers (hot water/steam), radiators, unico systems, condensing units, splits units, PTACS, walk in coolers, beer coolers,
License and bonded, insured. Family owned business since 2010. Call for an appointment!

From BuildZoom: J. Barnes & Sons Heating & Cooling LLC, 4105 California Ave, St. Louis, MO (Employee: James Barnes) holds a Mechanical Journyman license and 4 other licenses according to the St. Louis license board.

Their BuildZoom score of 116 ranks in the top 2% of 23,328 Missouri licensed contractors.

Their license was verified as active when we last checked. If you are thinking of hiring J. Barnes & Sons Heating & Cooling LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.

J. Barnes & Sons Heating & Cooling LLC Services

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J. Barnes & Sons Heating & Cooling LLC Contact Information

Phone: (314) 951-8848
Address: 4105 California Ave, St. Louis, MO 63118

J. Barnes & Sons Heating & Cooling LLC St. Louis

Quality

116
98th percentile
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
J. Barnes & Sons Heating & Cooling LLC has a BuildZoom score of 116, which places them above 98% of 23,328 contractors in Missouri.

Activity

20 projects
2025
16 projects
2024
30 projects
2023
Our building permit records indicate that J. Barnes & Sons Heating & Cooling LLC has worked on at least 66.0 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.

Experience

5 projects
Home Additions
62 projects
HVAC projects
56 projects
Mechanical projects
Analyzing permits over the last 4 years shows that J. Barnes & Sons Heating & Cooling LLC mostly works on hvac project and mechanical project projects.

Pricing

36 projects
< $5k
21 projects
$5k-$20k
4 projects
$20k-$50k
1 project
$50k-$100k
Value Not Public: 1.0 project
The typical size of their permits is approximately $4,800. 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.

Building Permits by J. Barnes & Sons Heating & Cooling LLC

Sort by: Notable Notable | Date Date | Job Value Job Value
Building residential existing building
2024-06-17
(accelerated plan review) the home was built in 2023 and the owner has requested jec solar llc to finish part of the basement. we are building 4 rooms which include an office an office with a closet a full bathroom and a main room. the builders of the subdivision roughed in all plumbing for a bathroom in the basement. shower drain and toilet drain already exist as roughed in
Valuation:
$27,980
Permit #:
24BLD-04526
Status:
issued
Fee:
$779
Permit Type:
Interior finish
Building Type:
N/A
Building residential existing building
2023-12-15
(w-y-w) (23vio-00465) replace bathroom tub shower valve vanity toilet vanity light and addition gfci circuit. replace kitchen cabinets with new using purposed layout submitted. replace copper water lines with pex. install new water heater with 40-gal gas unit. install new 4 pvc stack. install new recessed lighting in living room kitchen dining room and basement. replace existing 100-a... see more
Valuation:
$50,000
Permit #:
23BLD-09086
Status:
complete
Fee:
$616
Permit Type:
Alteration
Building Type:
N/A
Building residential existing building
2023-12-11
(w-y-w) replace bathroom tub shower valve vanity toilet vanity light and addition gfci circuit. replace kitchen cabinets with new using purposed layout submitted. replace copper water lines with pex. install new water heater with 40-gal gas unit. install new 4 pvc stack. install new recessed lighting in living room kitchen dining room and basement. replace existing 100-amp service wit... see more
Valuation:
$49,000
Permit #:
23BLD-08883
Status:
complete
Fee:
$409
Permit Type:
Alteration
Building Type:
N/A
Building residential existing building
2024-03-27
Split wall added half bathroom full renovation to interior of home new flooring throughout repairs to electric repairs to hvac new windows repair siding repair garage general paint trim drywall repair
Valuation:
$25,000
Permit #:
24BLD-01600
Status:
issued
Fee:
$449
Permit Type:
Repair
Building Type:
N/A
Building residential existing building
2023-11-29
Correct wiring. install insulation and drywall. paint and install cabinets flooring and finish electrical. electrical permit already issued 23ele-15144 for fire damage per inspector needs to be integrated
Valuation:
$72,772
Permit #:
23BLD-08386
Status:
issued
Fee:
$464
Permit Type:
Repair
Building Type:
N/A
Mechanical commercial mechanical
2025-09-25
Installation: 1 each 80 % 110 000 btu gas furnace 4 -ton condenser 4-ton a coil 1 each 80 % 120 000 btu gas furnace 3-ton condenser 3-ton a coil
Valuation:
$5,000
Permit #:
25MEC-08402
Status:
issued
Fee:
$126
Permit Type:
Replacement
Building Type:
N/A
Mechanical commercial mechanical
2025-09-24
***tenant name is required for commercial properties. resubmit with the tenant name in the tenant space. if the work is being done for the property owner or a future tenant put their name in the tenant space***installation of the following: 1 gas furnace 110000 btu 4-ton condenser with a coil 1- gas furnace 100000 btu 3-ton condenser with a coil
Valuation:
$5,000
Permit #:
25MEC-08323
Status:
canceled
Fee:
N/A
Permit Type:
Replacement
Building Type:
N/A
Mechanical residential mechanical
2025-01-28
Installation of 1 each 80 % 70000 btu gas furnace 2.5 a coil 2.5 condenser unit 410a
Valuation:
$5,100
Permit #:
25MEC-00604
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Mechanical residential mechanical
2025-07-08
Installation of 1 each 80% 70000 btu gas furnace 2.5 a coil 410a 2.5 condenser
Valuation:
$5,500
Permit #:
25MEC-00610
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Mechanical residential mechanical
2025-01-27
Installation of 1 each 80 % 90000 btu gas furnace 3 ton a 3-ton condenser
Valuation:
$6,000
Permit #:
25MEC-00605
Status:
issued
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Mechanical residential mechanical
2025-12-05
Install 80 % 70000 btu furnace with 2 ton a coil 2-ton condenser
Valuation:
$4,800
Permit #:
25MEC-04186
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Building residential existing building
2023-10-05
Basement buildout adding 2 new bedrooms (egress windows existing) and a bathroom. master subs (plumbing & electrical) will be pulling separate permits on this integrated permit
Valuation:
$15,000
Permit #:
23BLD-06910
Status:
complete
Fee:
$240
Permit Type:
Alteration
Building Type:
N/A
Mechanical residential mechanical
2025-06-12
Installation of 1 each air handler with 3-ton drive and 10kw heat kit. 2.5 a coil 2.5-ton condenser
Valuation:
$6,000
Permit #:
25MEC-04446
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Mechanical residential mechanical
2022-08-26
Replace 2 air conditioning 2.5 condenser a coil 70, 000 btu high efficiency gas furnace 1st floor  60, 000 btu gas furnace 2 ton condenser a coil 2nd floor
Valuation:
$3,100
Permit #:
22MEC-08101
Status:
issued
Fee:
$158
Permit Type:
Replacement
Building Type:
N/A
Mechanical residential mechanical
2023-11-10
***please include replacement hvac in w-y-w permit - thanx!***installation of 80 % 80000 btu gas furnace 3 -ton a coil all new ductwork flue piping and b ventilation. plans shall be submitted to while you wait on ductwork
Valuation:
$4,800
Permit #:
23MEC-10760
Status:
canceled
Fee:
N/A
Permit Type:
Replacement
Building Type:
N/A
Mechanical residential mechanical
2025-09-29
Installation of 1 each 90 % 90000 btu gas furnace 3.5- ton a coil 3.5 - ton condenser
Valuation:
$6,500
Permit #:
25MEC-08506
Status:
issued
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Mechanical residential mechanical
2025-09-23
Installation of 1 each air handler with 2 ton drive and 10 kw heat kit. 2-ton condenser
Valuation:
$7,000
Permit #:
25MEC-08312
Status:
issued
Fee:
$156
Permit Type:
New construction
Building Type:
N/A
Mechanical residential mechanical
2024-04-12
Installation of 1 each 80 % high efficiency 80, 000 btu gas furnace with 2 ton a coil and 2 ton 410a condenser
Valuation:
$5,200
Permit #:
24MEC-02893
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Mechanical residential mechanical
2023-12-15
(wyw) like-for-like hvac system replacement: installation of 1 each 80 % 70, 000 btu high efficiency gas furnace 410a 3- ton a coil new plenum all new ductwork new flue piping cold air returns
Valuation:
$4,800
Permit #:
23MEC-11556
Status:
issued
Fee:
$206
Permit Type:
Replacement
Building Type:
N/A
Mechanical residential mechanical
2024-08-05
Installation 80% high efficiency 70000 btu gas furnace 2.5 ton a coil and 410a high efficiency condenser unit
Valuation:
$2,500
Permit #:
24MEC-07237
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A

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