Updated: May 17, 2026
Location and Projects
Address
14 BAKER COURT, Petaluma, CA, 94952
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JZ Construction Photos
JZ Construction
With more than three decades of experience serving San Francisco, JZ Construction specializes in residential renovation and remodeling projects throughout the city. The company manages a wide range of construction services, including kitchen and bathroom remodels, room additions, and structural upgrades for single-family homes and duplexes. JZ Construction’s project portfolio features work in neighborhoods such as the Outer Sunset, Richmond District, and Noe Valley. Clients turn to JZ Construction for both interior and exterior improvements, including seismic retrofitting and foundation upgrades tailored to San Francisco’s unique building requirements. The firm adapts to the city’s diverse architectural styles, executing projects in classic Edwardians as well as more modern properties. JZ Construction applies established construction methods favored for durability and compliance with local codes.
JZ Construction Services
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JZ Construction Contact Information
Phone Number: (559) 324-0555
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Address: 14 BAKER COURT, Petaluma, CA 94952
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JZ Construction Petaluma
Quality
119
99th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
JZ Construction has a BuildZoom score of 119, which places them above 99% of 336,931 contractors in California.
Activity
|
7 projects
|
2025 |
|
3 projects
|
2024 |
|
5 projects
|
2023 |
Our building permit records indicate that JZ Construction has worked on at least
15.0 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
|
4 projects
|
Home Additions |
|
4 projects
|
Kitchen remodels |
|
3 projects
|
Multi-room remodels |
Analyzing permits over the last 4 years shows that JZ Construction mostly works on
kitchen remodel
and home addition
projects.
Pricing
|
2 projects
|
< $5k |
|
2 projects
|
$5k-$20k |
|
4 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
The typical size of their permits is approximately $21,000. 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.
Replacement of 18 windows in kind. no changes to opening size or operation. wood aluminum clad for the 6 facade windows vinyl for remaining windows. 80 sq ft siding replacement on left (southeast) side of bldg(facing the building from back yard) partial compliance with n.o.v #202420052 (window changes)
Valuation:
$21,000
Permit #:
202502190633
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
In kind window replacement 23 windows at park (14) and andover st (4) frontages wood clad windows 5 windows being replaced at rear to be vinyl no changes to opening size or operation to comply with nov 202534769 item 2 0.3 max u-factor
Valuation:
$35,175
Permit #:
202504214875
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Interior remodel and 528 sq ft of additional conditioned space being added within the existing building footprint. convert (e) unconditioned storage space and a portion of the garage space into a new media room and enlargement of the (e) family room. eliminate bedroom #1 on the first floor and enlarge bedroom #2. complete structural upgrade window replacement rebuild front stairs and ... see more
Valuation:
N/A
Permit #:
BIAD22-011366
Status:
issued
Fee:
$10,914
Permit Type:
N/A
Building Type:
N/A
Demolish detached garage in preparation for construction of a new detached adu in same footprint (adu under separate permit). j# asb136652. this permit cannot final until adu permit has been issued; if adu project does not go through then the applicant and property owner are required to replace the covered parking. contractor has accept these conditions via email. okay per acting cbo ... see more
Valuation:
N/A
Permit #:
B24-2547
Status:
withdrawn
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior remodel of kitchen laundry room and bathrooms. one bathroom is being added to house. no additional square footage is being added to house. new exterior deck. front porch expansion. all electical wiring to be upgraded to romex. replace electic panel. replace windows. 5.30.23 - revised scope - front porch to remain as existing. exterior deck will be two separate decks instead o... see more
Valuation:
$76,500
Permit #:
BLDR-2022-0556
Status:
complete
Fee:
$4,184
Permit Type:
N/A
Building Type:
N/A
Convert existing crawl space into a livable space 589 sq.ft. kitchen remodel existing bathrooms remodel addition 1.5 baths replace existing windows enlarge some small windows new slab replace existing furnace replace existing water heater for tankless addition a new sliding door remove existing skylights on patio
Valuation:
$100,000
Permit #:
B2022-03914
Status:
plancheck
Fee:
$1,864
Permit Type:
N/A
Building Type:
N/A
Legalization of unwarranted living space at existing first floor level 419 sf conditioned space new media living room new bathroom new wet bar new closet
Valuation:
$100,000
Permit #:
202506249280
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Remodeling existing 3 bedrooms 3 baths removing walls in kitchen and living room existing exterior siding to remain kitchen to be relocated new layout bathroom #1 and master bathroom 3 windows to be replaced with sliding doors with an exterior landing and threshold. remodel bathroom #3 interior partition wall to get new bedroom #4. w/h to be replaced for new tankless water heater upda... see more
Valuation:
$138,500
Permit #:
B2021-01326
Status:
final
Fee:
$8,148
Permit Type:
N/A
Building Type:
N/A
Unit#: a; in kind kitchen and bathroom remodel. replace cabinets countertops and appliances in 90 sq ft kitchen. replace shower tub and vanity 60 sq ft bathroom
Valuation:
$45,000
Permit #:
202404180310
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Unit 405; replace counter top in kitchen (20 ft2) (no other work in kitchen) and bathroom remodel in kind (55 sqft). no moving walls. all fixtures in the same location
Valuation:
$32,237
Permit #:
202405031415
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Replacement of electrical panel in unit. additional work to e202407235772
Valuation:
N/A
Permit #:
E202504221861
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Convert unfinished basement onto a livable space new game room. addition two new windows replace in kind existing french door addition new recessed light electrical outlets and switches new 60 amp subpanel and new slab concrete floor
Valuation:
$30,000
Permit #:
BIAD22-003903
Status:
final
Fee:
$4,133
Permit Type:
N/A
Building Type:
N/A
Renewal of e 2019 0904 3866 for final inspection. ground fl remodel: relocate electrical service 100amp upgrad 20 circuits 22 lights 15 switches 25 receptacles 2 fans 5 smoke detectors. refer to pa #201806121619
Valuation:
N/A
Permit #:
E202103021834
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition a new window and replace existing window in the office for a bigger window addition a new window in the game room upgrade kitchen cabinets relocate range addition lighting to the kitchen and office. closed access to the storage room from the kitchen. fire zone 2
Valuation:
$25,000
Permit #:
B2020-04201
Status:
final
Fee:
$1,585
Permit Type:
N/A
Building Type:
N/A
Unit #a kitchen and bathroom renovation
Valuation:
N/A
Permit #:
E202504181765
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Unit #a kitchen and bathroom renovation
Valuation:
N/A
Permit #:
PP20250418735
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Roofing repair: repatch roof edges remove and replace 80sf of shingles replace step flashing around six skylights
Valuation:
$3,000
Permit #:
202402155962
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Revision to app#201801310037. 2nd flr:revise interior layout (no room added). addition nw wood deck at rear nw patio dr. ground flr:revise interior layout (no room added). exterior: revise 4 nw skylights to 3 nw at roof. replace front window with wood claded in kind. replace rear window with vinyl window
Valuation:
$40,000
Permit #:
201810173441
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Ground floor remodel by drawing. relocate electric service. 100 amp main upgrade 20 circuits. 22 lights 15 switches 25 receptacles 2 fans 5 smoke detectors
Valuation:
N/A
Permit #:
E201909043866
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install washer/dryer remodel kitchen addition full bathroom w/window and skylights
Valuation:
$60,000
Permit #:
202209162610
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
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JZ Construction Reviews
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Verified License
BuildZoom confirmed this contractor's license
JZ Construction License info
Verified License
| License # | 874919 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for JZ Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 776227 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for JZ Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 740027 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for JZ Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 886068 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for JZ Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 465919 |
| Status | Active |
| City | Vacaville |
| Type | Contractor, None |
| Business Type | Sole Ownership |
- When BuildZoom last verified this license, it had an expiration date of November, 2018. Check the current license status of JZ Construction with the The City of Vacaville, CA
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 384483 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- 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 JZ Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 465919 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- 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 JZ Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
119
BuildZoom Score
Bonded
| Bonded Agent | State National Insurance Company Inc |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
133
Permits
- Building permit records show that JZ Construction has worked on 133 permitted projects.
JZ Construction Employees
JZ
James David Zuffinetti
Sole Owner
JZ
Jian Xuan Zhang
Sole Owner
JZ
Joseph John Zamlich
Sole Owner
JE
Juan Miguel Elvira
Owner
JZ
Justin Carl Zentner
Sole Owner
PZ
Patricia Logan Zuffinetti
Officer