Updated: Mar 29, 2026
Location and Projects
Address
451 2ND AVE, Redwood City, CA, 94063
Use our bidding system to
request a quote
JEM Builders Construction
JEM Builders, 451-2 Nd Ave, Redwood City, CA (Owned by: Joseph Alfonso Maruri) holds a General Building license and 3 other licenses according to the California license board.
Their BuildZoom score of 94 ranks in the top 24% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring JEM Builders, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
JEM Builders Services
Start a project today:
JEM Builders Contact Information
Phone Number: (925) 270-7765
Edit
Address: 451 2ND AVE, Redwood City, CA 94063
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
JEM Builders Redwood City
Quality
94
76th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
JEM Builders has a BuildZoom score of 94, which places them above 76% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
2 projects
|
2023 |
Our building permit records indicate that JEM Builders has worked on at least
3.0 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 |
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.
1) kitchen remodel at top floor. 2) electrical upgrade by code. 3) plumbing. (all work top floor kitchen)
Valuation:
$20,000
Permit #:
202506259454
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Addition of a living room dining kitchen and bedroom and a three fixture bathroom at the garage level per ordinance 162-16. remove interior stairs at both floors of building to create two separate units. to comply with nov #200725091 & #201486691
Valuation:
$40,000
Permit #:
201811075335
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Revision to pa#2018-1107-5335/r2: title 24 submission additional dwelling unit. remove q11 hers test
Valuation:
$1
Permit #:
202211096224
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Install new tamper resistant outlets for adu at 1st fl (arc fault circuit). install recess lighting at bedroom & livingroom. exhaust fan for bathroom & gfi outlet
Valuation:
N/A
Permit #:
E202006178548
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
To connect underground plumbing for new bathroom & kitchen sink to existing sewer. install water line for both bathroom & kitchen
Valuation:
N/A
Permit #:
PP20200617898
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Commercial tenant improvement new sewer for bathroom (4) sinks incluidng waterlines install new tankless water heater
Valuation:
N/A
Permit #:
PP20180718250
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant improvement from a retail store to a barber shop
Valuation:
$55,000
Permit #:
201801299803
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
33 - barber/beaut...
Renewal for final inspection 201811075335
Valuation:
$1
Permit #:
202203240820
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Replace 3/4 at center main w 2 pipe & meter replacement
Valuation:
N/A
Permit #:
PP20181119791
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Commercial tenant improvement 13 lights 6 switches 16 receptacles 3 fans
Valuation:
N/A
Permit #:
E201807184608
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New hvac unit 45k btu
Valuation:
N/A
Permit #:
PM20180718249
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant improvement from a retail store to a barber shop
Valuation:
$55,000
Permit #:
201801299803
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
33 - barber/beaut...
Bedroom addition to (e) unenclosed space at the rear. bathroom/kitchen renovation/upgrade upstairs. addition bathroom @ garage level with plumbing connection. upgrade electrical panel. front facade window to be wood frame same operation. keep original garage drive. maher ord 155-13 na
Valuation:
$63,000
Permit #:
201605127240
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
(n) (30 x 78'-3") 2-story irregular shaped single family dwelling with 2-car garage basement & trellis patio all work per engineering. nfpa 13d sprinkler throughout
Valuation:
$295,000
Permit #:
17010-20000-04913
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
1st and 2nd floor: 18 lights 6 switches 16 receptacles 1 garbage disposal ; install new lighting @ kitchen (recess) and outlets; ;new recess lights @ living and fitness room
Valuation:
N/A
Permit #:
E20161101784
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Front siding (dry rot) to be replaced with plywood sidings with same patter total area 500 sq. ft
Valuation:
$6,500
Permit #:
202106081880
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Bldg- exterior removal of cmu walls curb gutters chain link fence exterior pad and tanks for tenant improvement and site work see bld2012-01853 (htl)
Valuation:
N/A
Permit #:
BLD2012-01854
Status:
final
Fee:
$1,034
Permit Type:
N/A
Building Type:
N/A
Plumbing sewr for 2 bathrooms to be connected to existing. water lines for 2 bathrooms
Valuation:
$0
Permit #:
PP20150109997
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install 2 sets of gfi outlets @ bathroom 2 exhaust fans with light 2 vanity lights
Valuation:
$0
Permit #:
E201501095421
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel replace flooring install new cabinets & countertop modify existing gas line new light fixtures new appliances
Valuation:
N/A
Permit #:
BIAL12-004710
Status:
final
Fee:
$2,082
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
242
BZ Score
$59K
Avg Project
-
Projects
193
BZ Score
$200K
Avg Project
-
Projects
188
BZ Score
$30K
Avg Project
-
Projects
JEM Builders Reviews
BuildZoom hasn't received any reviews for JEM Builders. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
JEM Builders License info
Verified License
| License # | 888548 |
| 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 JEM Builders at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 933586 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for JEM Builders 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 # | 914288 |
| Status | Active |
| City | South San Francisco |
| Type | Contractor |
| Business Type | Sole Ownership |
- When BuildZoom last verified this license, it had an expiration date of November, 2016. Check the current license status of JEM Builders with the The City of South San Francisco, CA
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 914288 |
| 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 JEM Builders at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
22
Permits
- Building permit records show that JEM Builders has worked on 22 permitted projects.
JEM Builders Employees
EM
Efren Magpayo Magat
Owner
JG
James Edward Mc Ginty
Sole Owner
JM
Joseph Alfonso Maruri
Owner