Updated: May 01, 2026
Location and Projects
Address
317 PIERCY RD, San Jose, CA, 95138
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Jahn Plumbing Inc
Jahn Plumbing Inc, 317 Piercy Rd, San Jose, CA (Employees: Andrea Margaret Randello, Danelle Leigh Jahn, and Joseph Carl Jahn) holds a Plumbing, General Building, Electrical license and 1 other license according to the California license board.
Their BuildZoom score of 105 ranks in the top 8% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Jahn Plumbing Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Jahn Plumbing Inc Services
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Jahn Plumbing Inc Contact Information
Phone Number: (408) 842-9351
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Address: 317 PIERCY RD, San Jose, CA 95138
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Jahn Plumbing Inc San Jose
Quality
105
92nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Jahn Plumbing Inc has a BuildZoom score of 105, which places them above 92% of 336,931 contractors in California.
Activity
|
7 projects
|
2025 |
|
2 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that Jahn Plumbing Inc has worked on at least
13.0 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
|
12 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Jahn Plumbing Inc mostly works on
plumbing project
projects.
Pricing
|
1 project
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
1 project
|
$100k-$250k |
|
1 project
|
$250k-$500k |
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.
Sewer - remove and replace 60 ft of 6 sewer line with abs 3 clean outs (between bldgs 51 & 52 and in front of building 51) all work on private property and on wood duck ave side. foc is 10. no work on public property without public works approval. work on public property by others under separate permit with public works
Valuation:
$15,000
Permit #:
BLD2020-57468
Status:
final
Fee:
$219
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; installation of the water heater in the garage and gas piping for furnace
Valuation:
N/A
Permit #:
PW20250818387
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Expand mh pd into adjacent suite reconfigure hvac
Valuation:
$194,800
Permit #:
BCOM2023-0100
Status:
final
Fee:
$6,121
Permit Type:
Addition
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
2023 082624 MF
Status:
issued
Fee:
N/A
Permit Type:
Townhouse
Building Type:
N/A
Remove and replace gas water heater with new
Valuation:
N/A
Permit #:
P23-238
Status:
issued
Fee:
$108
Permit Type:
N/A
Building Type:
N/A
Sewer main
Valuation:
N/A
Permit #:
PRE22-01143
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Sewer main
Valuation:
N/A
Permit #:
P22-198
Status:
plancheck
Fee:
$121
Permit Type:
N/A
Building Type:
Apartment houses
Landlord improvement: adding a non-load bearing partition wall separating suite 305 into two spaces (no new tenant specified)
Valuation:
$8,000
Permit #:
18000-00569
Status:
final
Fee:
$353
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
2022 702288 MF
Status:
issued
Fee:
N/A
Permit Type:
Condo
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
2024 066857 CI
Status:
expired
Fee:
N/A
Permit Type:
Warehouse/storage
Building Type:
N/A
Replace water heater
Valuation:
$2,788
Permit #:
PLMG2022-0074
Status:
final
Fee:
$196
Permit Type:
N/A
Building Type:
N/A
Addition 282 sf and relocate kitchen to addition. remodel (e) bathroom. addition new bedroom and bathroom. addition furnace and air conditioning. install (n) tankless water heater. re-roof w comparable. service upgrade to 200 amps
Valuation:
$51,800
Permit #:
2012-49418-00 BMEP
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New 3168 sf barn
Valuation:
N/A
Permit #:
DEV21-1968
Status:
issued
Fee:
$3,173
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
2022 704039 MF
Status:
issued
Fee:
N/A
Permit Type:
Condo
Building Type:
N/A
Addition forced air heaters ducts exhaust gas supply for heater remove and rest ks and faucet remove and replace dishwasher downstair bathroom - remove and replace shower faucet drain sink wc and laundry wahser box upstairs bathroom - remove and replace sink and faucet
Valuation:
N/A
Permit #:
376439
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Act optometry: tenant improvement (228sf) install a sink f
Valuation:
$45,000
Permit #:
B-BP22-0661
Status:
final
Fee:
$6,170
Permit Type:
Tenant improvement
Building Type:
N/A
1) remove and replace one 100 gal tank type water heater in mechanical room
Valuation:
$0
Permit #:
2009 040257 MF
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install water softner in appartment building
Valuation:
$0
Permit #:
2009 023138 MF
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Repipe all water lines. replace bathtub
Valuation:
$0
Permit #:
2007-37124-00 P
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Repair plumbing fire in house additional inspection. amendment to permit no. 334380
Valuation:
N/A
Permit #:
338402
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
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Jahn Plumbing Inc License info
Verified License
| License # | 726334 |
| Status | Active |
| State | California |
| Type | Plumbing, General Building, Electrical |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Jahn Plumbing Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 753773 |
| Status | Inactive |
| State | California |
| Type | Plumbing |
| Business Type | Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Jahn Plumbing Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
105
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Wesco Insurance Company |
27
Permits
- Building permit records show that Jahn Plumbing Inc has worked on 27 permitted projects.
Jahn Plumbing Inc Employees
AR
Andrea Margaret Randello
Officer
DJ
Danelle Leigh Jahn
Officer
JJ
Joseph Carl Jahn
Rmo / Ceo / Pres
LJ
Leroy Steven Jahn
Sole Owner