Updated: Nov 08, 2025
Location and Projects
Address
1098 JORDAN LANE, Napa, CA, 94559
Use our bidding system to
request a quote
Grassi Construction Inc
Grassi Construction Inc, 1098 Jordan Ln, Napa, CA (Employees: Jami Lee Grassi, Mark Anthony Grassi, and Paul Richard Niles) holds a General Building license and 2 other licenses according to the California license board.
Their BuildZoom score of 110 ranks in the top 4% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Grassi Construction Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Grassi Construction Inc Services
Start a project today:
Grassi Construction Inc Contact Information
Phone Number: (707) 257-0751
Edit
Address: 1098 JORDAN LANE, Napa, CA 94559
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Grassi Construction Inc Napa
Quality
110
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Grassi Construction Inc has a BuildZoom score of 110, which places them above 96% of 336,931 contractors in California.
Activity
|
7 projects
|
2025 |
|
12 projects
|
2024 |
|
8 projects
|
2023 |
|
12 projects
|
2022 |
Our building permit records indicate that Grassi Construction Inc has worked on at least
39.0 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
|
6 projects
|
New Constructions |
|
5 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Grassi Construction Inc mostly works on
new construction
and home addition
projects.
Pricing
|
2 projects
|
< $5k |
|
4 projects
|
$5k-$20k |
|
6 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
4 projects
|
$100k-$250k |
|
3 projects
|
$250k-$500k |
|
3 projects
|
$500k-$1mil |
|
7 projects
|
$1mil+ |
The typical size of their permits is approximately $62,500. 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 Grassi Construction Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Code violation - winery alteration- replace upper roof structure including new rafters and metal roof and addition new eaves. (lobby/entry)- roof over existing masonry wall small overhangs above entry doors
Valuation:
$250,000
Permit #:
BC24-01031-ALT
Status:
issued
Fee:
$18,590
Permit Type:
N/A
Building Type:
N/A
Winery site improvements - landscape with 3 trellis and 2 fountains. rev # 1 - alter path to salon prive from pathway with stairs to curved ramp
Valuation:
$650,000
Permit #:
BC25-00430-NEW
Status:
issued
Fee:
$14,333
Permit Type:
N/A
Building Type:
N/A
Landscape with 3 trellis and 2 fountains
Valuation:
$650,000
Permit #:
S25-00207-COM
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New outdoor fermentation tank anchorage and catwalks (for a new winery production & hospitality building under separate permit)
Valuation:
$75,000
Permit #:
BC25-00762-NEW
Status:
issued
Fee:
$5,031
Permit Type:
N/A
Building Type:
N/A
Building new barn (4 101 sf) adu (1 298 sf) garage (1 897 sf) utility building (216 sf)
Valuation:
$3,946,550
Permit #:
S24-00819-RES
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New landscape installation with walkways trellis site walls fountain and patio
Valuation:
$650,000
Permit #:
S24-00275-COM
Status:
denied application
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Winery alteration new entry archway and assocuated exterior flatwork ada ramps steps and handrdails and landscape walls ada revision #1- clarification to wall detail
Valuation:
$650,000
Permit #:
BC24-01524-ALT
Status:
final
Fee:
$13,334
Permit Type:
N/A
Building Type:
N/A
Winery exterior concrete wall 2 new fountains exterior lighting including planning dept landscape plan and (3) new trellis
Valuation:
$650,000
Permit #:
S24-00480-COM
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New pumphouse building with enclosure
Valuation:
$150,000
Permit #:
S25-00800-RES
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Code violation winery alteration replace upper roof structure including new rafters and metal roof and addition new eaves. (lobby/entry)
Valuation:
$250,000
Permit #:
S24-00483-COM
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New detached garage (1 897 sf)
Valuation:
$673,950
Permit #:
BR24-00965-NEW
Status:
issued
Fee:
$18,414
Permit Type:
N/A
Building Type:
N/A
Fab & install exterior concrete tanks with a catwalk
Valuation:
$75,000
Permit #:
S25-00527-COM
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New single family residence
Valuation:
$7,042,800
Permit #:
S24-00818-RES
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Fire damage repair (glass fire) of winery building and shade canopy access road to crush pad widened wine tanks/catwalks replaced/expanded (n) wine tanks added (n) shade sail (e) ada compliant bathroom to be expanded and remodeled with (n) roof and fixtures. revision #1: removal and replacement of existing crush pad and replacement of process waste trunk line
Valuation:
$2,900,000
Permit #:
BC21-01521-RPL
Status:
final
Fee:
$28,481
Permit Type:
N/A
Building Type:
N/A
Fire damage rebuild: replacement mechanical service building. revision #1 - ve design change on mechanical building/shed building changed to a container
Valuation:
$475,000
Permit #:
BC21-01519-RPL
Status:
final
Fee:
$12,119
Permit Type:
N/A
Building Type:
N/A
New adu (1 298 sf)
Valuation:
$778,800
Permit #:
BR24-00964-NEW
Status:
issued
Fee:
$21,760
Permit Type:
N/A
Building Type:
N/A
New barn - (4 101 sf)
Valuation:
$2,460,600
Permit #:
BR24-00963-NEW
Status:
issued
Fee:
$45,637
Permit Type:
N/A
Building Type:
N/A
Main dwelling addition of gym (516 conditioned sq. ft.)
Valuation:
$50,000
Permit #:
BR25-00333-ADD
Status:
issued
Fee:
$11,692
Permit Type:
N/A
Building Type:
N/A
***potential floodplain restrictions*** building addition
Valuation:
$50,000
Permit #:
S25-00243-RES
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New main dwelling
Valuation:
$7,142,800
Permit #:
BR24-00948-NEW
Status:
issued
Fee:
$200,095
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
246
BZ Score
$28K
Avg Project
-
Projects
187
BZ Score
$30K
Avg Project
-
Projects
195
BZ Score
$30K
Avg Project
-
Projects
Grassi Construction Inc Reviews
BuildZoom hasn't received any reviews for Grassi Construction Inc. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Grassi Construction Inc License info
Verified License
| License # | 855199 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation, Sole Ownership |
- BuildZoom verified this license was active as of September 2025.
Verify this license's status for Grassi Construction 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 # | 424688 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Corporation, 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 Grassi Construction 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 # | 587626 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Corporation, 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 Grassi Construction Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
110
BuildZoom Score
Bonded
| Bonded Agent | Developers Surety & Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Redwood Fire & Casualty Insurance Co |
141
Permits
- Building permit records show that Grassi Construction Inc has worked on 141 permitted projects.
Grassi Construction Inc Employees
JG
Jami Lee Grassi
Officer
MG
Mark Anthony Grassi
Rmo / Ceo / Pres
PN
Paul Richard Niles
Rmo