Location and Projects
Address
1520 Kemmar Ct, O Fallon, MO, 63366
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Hoff Heating & AC Photos
Hoff Heating & AC
Hoff Heating and A/C offers complete solutions for all of our customers across O'Fallon and the surrounding areas. Our service department will diagnose, repair and maintain your home's heat pump, furnace, air conditioner, and air quality equipment of all makes and models. Our replacement department offers equipment that will answer all of your indoor comfort needs. Call us now for fast and friendly AC repair!
From BuildZoom: Hoff Heating & AC, 1520 Kemmar Ct, St Paul, MO (Owned by: Dennis Hoff) holds a Sheet Metal license and 8 other licenses according to the St Louis County license board.
Their BuildZoom score of 111 ranks in the top 4% of 23,328 Missouri licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Hoff Heating & AC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Hoff Heating & AC Contact Information
Phone Number: (636) 240-4633
Address: 1520 Kemmar Ct, St Paul, MO 63366
Hoff Heating & AC St Paul
Quality
111
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Hoff Heating & AC has a BuildZoom score of 111, which places them above 96% of 23,328 contractors in Missouri.
Activity
|
56 projects
|
2025 |
|
66 projects
|
2024 |
|
189 projects
|
2023 |
Our building permit records indicate that Hoff Heating & AC has worked on at least
311.0 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
|
69 projects
|
New Constructions |
|
9 projects
|
Home Additions |
|
305 projects
|
HVAC projects |
|
231 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Hoff Heating & AC mostly works on
hvac project
and mechanical project
projects.
Pricing
|
13 projects
|
< $5k |
|
180 projects
|
$5k-$20k |
|
16 projects
|
$20k-$50k |
|
3 projects
|
$50k-$100k |
|
12 projects
|
$100k-$250k |
|
19 projects
|
$250k-$500k |
|
23 projects
|
$500k-$1mil |
|
3 projects
|
$1mil+ |
The typical size of their permits is approximately $10,000. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
(accelerated plan review) nsf with one time addendum to the rochester ii master plan changes from the master plan were done to the front left corner. they moved the front door to be centered on house plan options based on master that were selected: 9'-0 concrete pour 9'-0 first floor elevation b 3/4 bathroom rough-in in the basement wet-bar rough-in in the basement optional sunroom (s... see more
Valuation:
$677,123
Permit #:
24BLD-04578
Status:
issued
Fee:
$4,024
Permit Type:
New construction
Building Type:
N/A
(accelerated plan review) lsp-02 berkshire ii w eagles nest. 9 pour 9 1st floor 8 2nd floor. covered patio unfinished basement; lot 2 legend at schoettler pointe
Valuation:
$525,000
Permit #:
24BLD-08139
Status:
issued
Fee:
$3,299
Permit Type:
New construction
Building Type:
N/A
(accelerated plan review) new single family residence master plan of geneva unfinished walkout basement 9 concrete pour 3/4 bathroom rough-in in basement 3-car garage opt. sunroom 16'-9"x14 open deck
Valuation:
$482,000
Permit #:
24BLD-02400
Status:
complete
Fee:
$3,089
Permit Type:
New construction
Building Type:
N/A
(accelerated plan review) new single family residence master plan of savannah unfinished walkout basement 9 concrete pour 3/4 bathroom rough-in in basement 3-car garage opt. sunroom 12x14 open deck
Valuation:
$566,000
Permit #:
24BLD-02398
Status:
issued
Fee:
$3,421
Permit Type:
New construction
Building Type:
N/A
(accelerated plan review) one-time addendum to the master plan rochester ii 9'-0 concrete pour 9'-0 1st floor 8'-0 2nd floor left hand house elevation d standard covered deck master bedroom bay
Valuation:
$630,908
Permit #:
24BLD-04816
Status:
issued
Fee:
$3,716
Permit Type:
New construction
Building Type:
N/A
(accelerated plan review) new single family residence master plan of bellwynn w optional 2nd floor unfinished in-grade basement 8 concrete pour 3/4 bathroom rough-in in basement 3-car garage
Valuation:
$627,000
Permit #:
24BLD-02060
Status:
schedule inspection
Fee:
$3,716
Permit Type:
New construction
Building Type:
N/A
(accelerated plan review) new single family residence master plan of savannah unfinished in-grade basement 9 concrete pour 3/4 bathroom rough-in in basement 3-car garage opt. sunroom
Valuation:
$554,000
Permit #:
24BLD-02062
Status:
schedule inspection
Fee:
$3,402
Permit Type:
New construction
Building Type:
N/A
(accelerated plan review) new single family rochester elevation b 8 ingrade pour 9 1st floor opt. 2nd floor w 5th bedroom 36 direct-vent fireplace
Valuation:
$764,079
Permit #:
24BLD-03517
Status:
issued
Fee:
$4,537
Permit Type:
New construction
Building Type:
N/A
(accelerated plan review) addendum to the master plan of savannah 9'-0 in-grade pour elevation e sunroom direct-vent fireplace covered patio
Valuation:
$627,000
Permit #:
24BLD-04721
Status:
issued
Fee:
$3,763
Permit Type:
New construction
Building Type:
N/A
(accelerated plan review) new single family residence 9 ingrade pour direct vent gas fireplace 3-car garage based on our rochester master plan
Valuation:
$652,314
Permit #:
24BLD-03533
Status:
issued
Fee:
$3,894
Permit Type:
New construction
Building Type:
N/A
(accelerated plan review) new single family residence custom savannah 9'-0 conc. pour finished lower level 3-car garage covered patio
Valuation:
$495,000
Permit #:
24BLD-06130
Status:
issued
Fee:
$3,010
Permit Type:
New construction
Building Type:
N/A
(accelerated plan review) new single family residence - 8 concrete pour 9 1st floor 8 2nd floor direct-vent fireplace 3-car garage covered rear patio
Valuation:
$254,586
Permit #:
24BLD-05126
Status:
issued
Fee:
$1,723
Permit Type:
New construction
Building Type:
N/A
Applying for permit to finish the basement only. this is a new scope of work separate from the work being done by the contractor building the house (homesource). we (the home owners) are applying for a permit to finish the basement
Valuation:
$50,000
Permit #:
23BLD-09420
Status:
complete
Fee:
$316
Permit Type:
Interior finish
Building Type:
N/A
The intention of this permit is to construct a new 408 sq ft addition to and existing single family home in the rock hill neighborhood. in addition a deck with stairs leading to a new patio will be built adjacent to the addition the addition consists of only a livingroom with a gas fireplace on the south end. the addition will be built on a concrete foundation with am 18 minimum condi... see more
Valuation:
$100,000
Permit #:
23BLD-07001
Status:
complete
Fee:
$532
Permit Type:
Addition
Building Type:
N/A
(accelerated plan review) pool house accessory structure
Valuation:
$332,000
Permit #:
24BLD-06009
Status:
issued
Fee:
$2,167
Permit Type:
Addition
Building Type:
N/A
(accelerated plan review) parent record - new construction (sfd) child record - detached garage 23bld-06092
Valuation:
$2,041,020
Permit #:
23BLD-04620
Status:
issued
Fee:
$12,127
Permit Type:
New construction
Building Type:
N/A
Construct story and half with 4 bathroom and 4 bedroom
Valuation:
$450,000
Permit #:
RBP23-000141
Status:
issued
Fee:
$5,254
Permit Type:
Residential build...
Building Type:
N/A
Replace damaged kitchen exhaust duct and replace damaged b-vent flue for the water heater with the same size/type/material as existed prior to the storm
Valuation:
$850
Permit #:
25MEC-07404
Status:
issued
Fee:
$158
Permit Type:
Fire-storm
Building Type:
N/A
S.f.d **apr-accelerated review**
Valuation:
$499,500
Permit #:
22BLD-07594
Status:
complete
Fee:
$3,010
Permit Type:
New construction
Building Type:
N/A
New single family construction
Valuation:
$446,781
Permit #:
RBP23-000748
Status:
issued
Fee:
$4,801
Permit Type:
Residential build...
Building Type:
N/A
Hoff Heating & AC Reviews
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Verified License
BuildZoom confirmed this contractor's license
Hoff Heating & AC License info
Verified License
| License # | X2100 |
| Status | Active |
| County | St Louis County |
| Type | Sheet Metal |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Hoff Heating & AC at the Saint Louis County Department of Public Works.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| County | St. Charles County |
| Type | Mechanical |
- BuildZoom verified this license was active as of July 2026.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | MEC1491502 |
| Status | Active |
| City | University City |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of March, 2025. Check the current license status of Hoff Heating & AC with the City of University City
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| County | St Louis County |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of Hoff Heating & AC with the Saint Louis County Department of Public Works
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | MEC2349830 |
| Status | Active |
| City | Dyersburg |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2017. Check the current license status of Hoff Heating & AC with the City of Dyersburg
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | M017 |
| Status | Active |
| County | Jefferson County |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of Hoff Heating & AC with the Jefferson County Building Division
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | St Louis County |
| Type | Mechanical Contractor |
- According to the Saint Louis County Department of Public Works, the status of this license was at one point cancelled. However, this information may have changed.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | St. Charles County |
| Type | Hvacr Contractor (Class A) |
- According to the St. Charles County Department of Development & Business Services, the status of this license was at one point cancelled. However, this information may have changed.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | X2100 |
| Status | Inactive |
| City | Town And Country |
| Type | Mechanical Contractor |
- According to the City of Town and Country, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Hoff Heating & AC at the City of Town and Country.
This is a sample of licensing data; click here to access a complete history.
111
BuildZoom Score
2.4K
Permits
- Building permit records show that Hoff Heating & AC has worked on 2447 permitted projects.
Hoff Heating & AC Employees
DH
Dennis Hoff
Owner
HH
Henry Hoff