Updated: Nov 12, 2025
Location and Projects
Address
1385 LOWRIE AVE, South San Francisco, CA, 94080
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Rmi Mechanical Contractors, Inc.
Rmi Mechanical Contractors, Inc., 1385 Lowrie Ave, South San Francisco, CA (Employees: Brian Michael Fusch, Dorothea Claire Mafrici, and Ronald Joseph Mafrici) holds a Warm Air Heating, Ventilating And Air Conditioning, Plumbing, Boiler, Hot Water Heating And Steam Fitting, General Building 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 Rmi Mechanical Contractors, Inc., we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Rmi Mechanical Contractors, Inc. Services
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Rmi Mechanical Contractors, Inc. Contact Information
Phone Number: (650) 583-6200
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Address: 1385 LOWRIE AVE, South San Francisco, CA 94080
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Rmi Mechanical Contractors, Inc. South San Francisco
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Rmi Mechanical Contractors, Inc. has a BuildZoom score of 107, which places them above 94% of 336,931 contractors in California.
Activity
|
5 projects
|
2025 |
|
8 projects
|
2024 |
|
6 projects
|
2023 |
|
10 projects
|
2022 |
Our building permit records indicate that Rmi Mechanical Contractors, Inc. 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
|
11 projects
|
Home Additions |
|
14 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Rmi Mechanical Contractors, Inc. mostly works on
hvac project
and home addition
projects.
Pricing
|
3 projects
|
$5k-$20k |
|
5 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $32,500. 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 Rmi Mechanical Contractors, Inc.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Tenant improvement. china basin ballpark"; replacement of six water source heat pump with six new water source heat pumps units ductwork and controls. addition of four outside air fans air balance hvac system pier 46 oracle park
Valuation:
$260,000
Permit #:
B-2024-0022
Status:
complete
Fee:
$11,179
Permit Type:
N/A
Building Type:
Ballpark
Addition 1 vav with eating coil addition 3 heating coils to existing vavs addition 1 transfer fan addition ceiling and sidewall diffusers new ductwork and hot water piping addition 1 thermostat and relocate thermostats and air balance
Valuation:
$150,000
Permit #:
202408299704
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Work category: 5m; 4th fl: addition one vav with heating coil; relocate existing vav's; new ductwork diffusers & heating water piping; addition one pneumatic thermostat and relocate existing pneumatic thermostats
Valuation:
N/A
Permit #:
PMW20240517878
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
12/f suite 1250: addition ceiling supply grilles and return grilles. relocate 1 vav box new duct distribution air balancing. ref permit 202505086056
Valuation:
$10,000
Permit #:
202509235916
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Mechanical for suite 300 on 3rd fl: addition 1 heat pump 4 vav boxes addition 2 fire smoke dampers addition 1 heat pump thermostat addition 4 vav thermostats. rleocate existing vav thermostats new ductwork & air balance. ref pa #201901241116
Valuation:
$150,000
Permit #:
202001151903
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Work category: 2pb; install new plumbing from existing sewer to new men’s and women’s restrooms
Valuation:
N/A
Permit #:
PW20250122501
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Suite 1420. ref. nov #202540973. (7) new vav's (5) heating coils (1) transfer fan new heating waterpiping new ductwork and ceiling diffusers
Valuation:
N/A
Permit #:
PM20250812051
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Suite 1450. ref. nov #202540973. (4) new vav's (3) heating coils (1) transfer fan new heating waterpiping new ductwork and ceiling diffusers
Valuation:
N/A
Permit #:
PM20250812049
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; waste vent hot and cold waters for hand and bar sink. replace sinks and faucets in restrooms with new. remove and replace restroom fixtures for new tile work
Valuation:
N/A
Permit #:
PW20240130247
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition 10 vav boxes 5 transfer fans. new ductwork new diffusers thermostates for new & (e) vav boxes relocate thermostates for perimeter induction units air balance ref tenant improvement. 2020 0113 1756
Valuation:
$110,000
Permit #:
202111092043
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Ste 200. addition one vav box addition supply and return air registers addition new ductwork and heating water piping addition and relocate (e) thermostates. ref pa# 202207259238
Valuation:
$20,000
Permit #:
202210144330
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
18/f:relocate 2 vav's. addition 1 transfer fan. addition diffuser registers transfer grills. modify & addition new ductwork. relocate (e) thermostats. air balancing. addition 1 new fire smoke damper. ref pa# 202010025731
Valuation:
$36,440
Permit #:
202101142708
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
9/f: addition vav box addition diffusers & registers in the tenant improvement. space provide new ductwork relocate (1) thermostat & air balance. ref bpa#202104208943
Valuation:
$25,000
Permit #:
202209162575
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
7/f: addition 1 vav box & 1 transfer fan. addition diffusers registers return grills & addition new ductwork. connect new vav to (e) ddc controls & relocate (e) thermostats/air balancing. ref pa# 202010015636
Valuation:
$44,000
Permit #:
202101142707
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Mechanical for suite 201 & 202 on 2nd fl: addition 1 heat pump addition 3 transfer fans addition heat pump thermostat relocate existing vav thermostats new duct work & air balanace. ref pa #201901241114
Valuation:
$60,000
Permit #:
202001151905
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Ste 1460: addition 2 vav boxes. addition 1 transfer fan. new ductwork. new heating piping control work and air balance. building pa# 202201286899
Valuation:
$40,000
Permit #:
202204283165
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Suite 1460. ref. nov #202540973. (4) new vav's (2) heating coils (1) ductwork and ceiling diffusers
Valuation:
N/A
Permit #:
PM20250812050
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 5p; install drinking fountain
Valuation:
N/A
Permit #:
PW20250409401
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 5m; addition one vav with heating coil addition 2 fans new ductwork new heating water piping new supply diffusers and new return air grilles
Valuation:
N/A
Permit #:
PMW20231002595
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Suite# 1900. addition 5 vav terminal units iwth controls addition 1 transfer fan for it room new ductwork addition & relocate thermostates & air balance
Valuation:
$90,000
Permit #:
202110281374
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
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Verified License
BuildZoom confirmed this contractor's license
Rmi Mechanical Contractors, Inc. License info
Verified License
| License # | 831408 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning, Plumbing, Boiler, Hot Water Heating And Steam Fitting, General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Rmi Mechanical Contractors, Inc. at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
Bonded
| Bonded Agent | International Fidelity Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Cypress Insurance Company |
421
Permits
- Building permit records show that Rmi Mechanical Contractors, Inc. has worked on 421 permitted projects.
Rmi Mechanical Contractors, Inc. Employees
BF
Brian Michael Fusch
Rme
DM
Dorothea Claire Mafrici
Officer
RM
Ronald Joseph Mafrici
Rmo / Ceo / Pres
RJ
Ronald Joseph Mafrici Jr
Officer