Updated: May 21, 2026
Location and Projects
Address
PO BOX 1474, Grass Valley, CA, 95945
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JBM Construction
JBM Construction, Grass Vly, Po Box 1474, Grass Valley, CA (Employees: John Benjamin Mora III, John Bryan Maryanski, and Jonathan Ben Morrill) holds a General Building license and 3 other licenses 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 JBM Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
JBM Construction Services
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JBM Construction Contact Information
Phone Number: (415) 573-8780
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Address: PO BOX 1474, Grass Valley, CA 95945
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JBM Construction Grass Valley
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
JBM Construction has a BuildZoom score of 107, which places them above 94% of 336,931 contractors in California.
Activity
|
4 projects
|
2023 |
Our building permit records indicate that JBM Construction has worked on at least
4.0 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.
Pricing
|
1 project
|
< $5k |
|
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.
For certificate of occupancy: construct new 649 sf detached studio adu. main service panel for the proposed adu will be added to main house at 1340 versailles. separate solar photovoltaic permit may be required. main address is 1340 versailles unit a. existing detached second unit is 1340 versailles unit b. new detached adu will be 1340 versailles unit c (bldg/mech/elec/plumbing) same... see more
Valuation:
$120,000
Permit #:
ADU21-0054
Status:
final
Fee:
$7,534
Permit Type:
N/A
Building Type:
N/A
Voluntary seismic strengthening to building. barrier removal to upgrade accessibility into building by adding door actuator at primary sidewalk entrance ((e) 1:20 slope landing at exterior side of door). adding wheelchair lift at interior dining. restrooms to receive accessibility upgrades
Valuation:
$62,000
Permit #:
B2022-00927
Status:
issued
Fee:
$3,404
Permit Type:
N/A
Building Type:
N/A
Addition 8 sf of habitable space at read (nw) corner of house. no change to roofline. remodel kitchen and 2 baths. relocate washer and dryer
Valuation:
$50,000
Permit #:
B2022-00382
Status:
issued
Fee:
$2,867
Permit Type:
N/A
Building Type:
N/A
Demolish (e) carport and cap electrical. j # asb123909. pcb form on file (bldg/elec) same plan set as adu21-0054
Valuation:
$500
Permit #:
CB21-0360
Status:
final
Fee:
$684
Permit Type:
N/A
Building Type:
N/A
(b) - building alteration - 3+ residential units or commercial (building)
2020-01-08
Tenant improvement. for new café kava bar includes new ada bathroom and façade modification. drx182118 3/22/19-rev#1: notes for installation of new concrete slab on grade for plumbing and footing detail
Valuation:
$115,000
Permit #:
B1804592
Status:
final
Fee:
$5,967
Permit Type:
N/A
Building Type:
N/A
Chimney to be removed. building new portion of wall and portion of foundation. fire zone 2
Valuation:
$22,000
Permit #:
B2021-03031
Status:
final
Fee:
$1,184
Permit Type:
N/A
Building Type:
N/A
478.5sf addition to create secondary unit attached to the rear of (e) 911sf single family dwelling. new unit to be addressed as 1048b previous unit to be issues as as 1048a
Valuation:
$112,808
Permit #:
RB1705040
Status:
final
Fee:
$8,014
Permit Type:
N/A
Building Type:
N/A
(re) - electrical - 1 & 2 unit residential (building)
2018-09-21
Electrical (circuits lights switches etc.) for kitchen remodel including removal of wall between kitchen and living room installation of beam and post and infill one window. drx180270
Valuation:
N/A
Permit #:
RE1802817
Status:
final
Fee:
$245
Permit Type:
N/A
Building Type:
N/A
(m) - mechanical - 3+ residential units or commercial (building)
2019-05-15
Mechanical tenant improvement to existing full service restaurant. including new full service bar and new take out service counter and new dining areas and finishes
Valuation:
N/A
Permit #:
M1802685
Status:
final
Fee:
$207
Permit Type:
N/A
Building Type:
N/A
Plumbing for kitchen remodel including removal of wall between kitchen and living room installation of beam and post and infill one window. drx180270
Valuation:
N/A
Permit #:
RP1802067
Status:
final
Fee:
$295
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel including removal of wall between kitchen and living room installation of beam and post and infill one window. drx180270
Valuation:
$27,250
Permit #:
RB1800674
Status:
final
Fee:
$1,181
Permit Type:
N/A
Building Type:
N/A
Master bathroom remodel. remove & replace bathroom window same size & location. fire zone 2 property
Valuation:
$30,000
Permit #:
B2018-03014
Status:
final
Fee:
$1,965
Permit Type:
N/A
Building Type:
N/A
Remove & replace partition walls to expand master bedroom closet. infill door to closet new electrical. fire zone 2 property
Valuation:
$20,000
Permit #:
B2018-02018
Status:
final
Fee:
$1,157
Permit Type:
N/A
Building Type:
N/A
Commercial tenant improvement for new pizza restaurant upgrading existing bar to full accessibility. new kitchen hood and equipment
Valuation:
$273,000
Permit #:
B2022-02262
Status:
issued
Fee:
$18,544
Permit Type:
N/A
Building Type:
N/A
Repair/replace building sewer on property only. sl & x required beyond pl. overflow device may be needed. if working within 25 feet of a monument you must comply with state law 8771 contact the inspector prior to starting excavation: minimum $5 800.00 fine for non-compliance. usa # and date must be provided in order to have a permit issued. permit valid for 90 days. call pwa inspectio... see more
Valuation:
N/A
Permit #:
SL1902273
Status:
applied
Fee:
$476
Permit Type:
N/A
Building Type:
N/A
(e) - electrical - 3+ residential units or commercial (building)
2016-01-20
Electrical for renovation of existing one-story residence and second floor addition(1 189 sq. ft.) for classrooms; demolish portion of 1st floor existing garage(reduced(240 sq. ft.) total of 1590sqft new floor space. convert single family dwelling to school. new deck at left side. includes upgrading 200 amp service
Valuation:
N/A
Permit #:
E1502569
Status:
final
Fee:
$957
Permit Type:
N/A
Building Type:
N/A
Divide large room into two smaller bedrooms with interior door and closets with doors. remove and infill exterior window. cut new sliding door into existing exterior wall. finish all to match existing exposed wood construction with conventional wood structure beneath. no changes to existing area of conditioned space. fire zone 2
Valuation:
$18,000
Permit #:
B2021-03699
Status:
final
Fee:
$1,124
Permit Type:
N/A
Building Type:
N/A
Petition to allow gates to swing three feet (3') beyond property line adjacent to 5616 broadway on both broadway and manila avenue sides. allow irrigation piping to encroach beyond property line adjacent to manila avenue side. allow fence three and one half feet (3.5') beyond property line adjacent to manila avenue side renovation of existing one-story residence and second floor addit... see more
Valuation:
N/A
Permit #:
ENMI15083
Status:
applied
Fee:
$1,134
Permit Type:
N/A
Building Type:
N/A
Renovation of existing one-story residence and second floor addition(1 189 sq. ft.) for classrooms; demolish portion of 1st floor existing garage(reduced(240 sq. ft.) total of 1590sqft new floor space. convert single family dwelling to school. new deck at left side
Valuation:
$350,000
Permit #:
B1401158
Status:
final
Fee:
$13,049
Permit Type:
N/A
Building Type:
N/A
(b) - building alteration - 3+ residential units or commercial (building)
2019-05-17
Tenant improvement to existing full service restaurant. including new full service bar and new take out service counter and new dining areas and finishes
Valuation:
$240,000
Permit #:
B1803542
Status:
final
Fee:
$9,076
Permit Type:
N/A
Building Type:
N/A
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JBM Construction Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
JBM Construction License info
Verified License
| License # | 921015 |
| 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 JBM 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 # | 746620 |
| 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 JBM 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 # | 496532 |
| 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 JBM 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 # | 667308 |
| 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 JBM Construction 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 | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
65
Permits
- Building permit records show that JBM Construction has worked on 65 permitted projects.
JBM Construction Employees
JI
John Benjamin Mora III
Sole Owner
JM
John Bryan Maryanski
Sole Owner
JM
Jonathan Ben Morrill
Sole Owner
JM
Juan Bernardino Molero
Sole Owner