Updated: May 14, 2026
Location and Projects
Address
PO BOX 342, Sonoma, CA, 95476
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Steven W Raffaini Plumbing
Steven W Raffaini Plumbing, Sonoma, Po Box 342, Sonoma, CA (Owned by: Steven William Raffaini) holds a Plumbing 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 Steven W Raffaini Plumbing, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Steven W Raffaini Plumbing Services
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Steven W Raffaini Plumbing Contact Information
Phone Number: (707) 938-7611
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Address: PO BOX 342, Sonoma, CA 95476
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Steven W Raffaini Plumbing Sonoma
Quality
105
92nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Steven W Raffaini Plumbing has a BuildZoom score of 105, which places them above 92% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
7 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that Steven W Raffaini Plumbing has worked on at least
12.0 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 Steven W Raffaini Plumbing mostly works on
plumbing project
projects.
Pricing
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 Steven W Raffaini Plumbing
This is a sample of this contractor's permits. Click here to access their complete permit history.
Kitchen remodel - non-structural 80 sf - replace cabinets and countertops install new sink. no electrical changes proposed. install new water heater. code upgrades to existing water heater in unit 763. replace broken window glazing only in 761 at laundry room. ce21-0636
Valuation:
$5,000
Permit #:
B23-5882
Status:
final
Fee:
$429
Permit Type:
N/A
Building Type:
N/A
Replace existing grease interceptor
Valuation:
N/A
Permit #:
BLD25-1817
Status:
issued
Fee:
$392
Permit Type:
N/A
Building Type:
N/A
Sfd-replace existing and install heat pump water heater. same location
Valuation:
N/A
Permit #:
BLD22-1048
Status:
final
Fee:
$90
Permit Type:
N/A
Building Type:
N/A
For sfd- legalize w permit: replace water heater same location vbu20-0791
Valuation:
N/A
Permit #:
BLD21-0450
Status:
final
Fee:
$434
Permit Type:
N/A
Building Type:
N/A
Install backflow preventer at water meter location. install 2 gallon expansion tank at water heater for single family dwelling
Valuation:
N/A
Permit #:
BLD19-0953
Status:
expired
Fee:
$107
Permit Type:
N/A
Building Type:
N/A
Repair/replace water main from the meter to the house
Valuation:
N/A
Permit #:
BLD21-0453
Status:
final
Fee:
$90
Permit Type:
N/A
Building Type:
N/A
For five (5) sfd's on mission drive - install backflow prevention devices - 1366 1450 1454 1458 and 1462 mission drive
Valuation:
N/A
Permit #:
BLD18-1764
Status:
final
Fee:
$202
Permit Type:
N/A
Building Type:
N/A
Install new clean out at sewer main on the property
Valuation:
N/A
Permit #:
BLD21-0288
Status:
final
Fee:
$90
Permit Type:
N/A
Building Type:
N/A
Install back flow prevention devices in 9 parcels within temelec cir subdivision - parcels 1 3 4 6 7 and 22 thru 25
Valuation:
N/A
Permit #:
BLD17-6171
Status:
final
Fee:
$263
Permit Type:
N/A
Building Type:
N/A
Install backflow preventer at the water meter and expansion tank at the water heater for single family dwelling
Valuation:
N/A
Permit #:
BLD19-1661
Status:
expired
Fee:
$83
Permit Type:
N/A
Building Type:
N/A
Install backfloe preventer at the meter & install expansion tank at the water heater for single family dwelling
Valuation:
N/A
Permit #:
BLD19-0954
Status:
expired
Fee:
$107
Permit Type:
N/A
Building Type:
N/A
Install 6 backflow prevention devices on six lots in temelec circle subdivision - on lots 5, 13 14 15 51 and 55
Valuation:
N/A
Permit #:
BLD17-6172
Status:
final
Fee:
$203
Permit Type:
N/A
Building Type:
N/A
For (7) sfd's - install backflow prevention device at 19 21 23 43 63 95 & 172 vineyard circle
Valuation:
N/A
Permit #:
BLD18-1765
Status:
final
Fee:
$249
Permit Type:
N/A
Building Type:
N/A
For single family dwelling - install 3/4 in backflow preventer near water meter - install expansion tank at water heater in garage
Valuation:
N/A
Permit #:
BLD19-2980
Status:
final
Fee:
$83
Permit Type:
N/A
Building Type:
N/A
Sfd- 40 gallon water heater replacement
Valuation:
N/A
Permit #:
BLD20-1614
Status:
final
Fee:
$90
Permit Type:
N/A
Building Type:
N/A
Sfd- minor bathroom remodel
Valuation:
N/A
Permit #:
BLD19-2439
Status:
final
Fee:
$679
Permit Type:
N/A
Building Type:
N/A
Upgrade msp 200 a
Valuation:
N/A
Permit #:
BLD21-4871
Status:
final
Fee:
$122
Permit Type:
N/A
Building Type:
N/A
For single family dwelling - install backflow prevention valve
Valuation:
N/A
Permit #:
BLD18-1761
Status:
final
Fee:
$83
Permit Type:
N/A
Building Type:
N/A
12 ea. rpz devices and expansion tanks
Valuation:
N/A
Permit #:
BLD18-0325
Status:
final
Fee:
$368
Permit Type:
N/A
Building Type:
N/A
6 ea. rpz devices and expansion tanks
Valuation:
N/A
Permit #:
BLD18-0324
Status:
final
Fee:
$226
Permit Type:
N/A
Building Type:
N/A
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BZ Score
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Verified License
BuildZoom confirmed this contractor's license
Steven W Raffaini Plumbing License info
Verified License
| License # | 916665 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Steven W Raffaini Plumbing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
105
BuildZoom Score
Insured
| Insurer | Evanston Insurance Company |
| Insured up to | $2,000,000 |
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Benchmark Insurance Company |
58
Permits
- Building permit records show that Steven W Raffaini Plumbing has worked on 58 permitted projects.
Steven W Raffaini Plumbing Employees
SR
Steven William Raffaini
Owner