Updated: May 29, 2026
Location and Projects
Address
3817 MUIRWOOD DR, Pleasanton, CA, 94588
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Mj12 Construction
Based in Pleasanton, California, Mj12 Corp brings more than fifteen years of experience to construction projects in the Bay Area. The company works with residential and commercial clients, overseeing a range of projects with an emphasis on structural upgrades, remodeling, and property improvements. Drawing on over a decade of operation, Mj12 Corp navigates local building codes and project requirements for clients in Pleasanton and surrounding communities. Their portfolio encompasses both private homes and commercial spaces, reflecting experience with varying project types and client needs. By coordinating each phase of the construction process, the firm is positioned to support clients seeking reliable project management and trade expertise in the Pleasanton area.
Mj12 Corp Services
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Mj12 Corp Contact Information
Phone Number: (408) 955-9005
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Address: 3817 MUIRWOOD DR, Pleasanton, CA 94588
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This is a sample of this contractor's permits. Click here to access their complete permit history.
154 sq ft kitchen upgrade-like for like-upgrade all electrical plumbing faucet 7 (n) recessed lights and stove exhaust fan up to code 70 sq ft bathrm upgrades-like for like-upgrade all electrical 3 (n) recessed lights plumbing faucet toilet and exhaust fan up to code
Valuation:
N/A
Permit #:
2020 104133 RS
Status:
final
Fee:
N/A
Permit Type:
Single-family
Building Type:
N/A
Kitchen remodel master bathroom remodel replace siding on entire house like for like replace (8) windows new construction. kitchen: remove and replace appliances like for like addition (6) recessed led lights all receptacles gfci master bath: remove and replace toilet shower vanity. addition new fan on separate switch (2) new recessed led lights ***field rev 12/2/19: electrical panel ... see more
Valuation:
$40,000
Permit #:
B19-1715
Status:
final
Fee:
$1,661
Permit Type:
N/A
Building Type:
N/A
Reroof of existing woodwork shop replace siding and windows subject to field inspection
Valuation:
N/A
Permit #:
DEV22-2254
Status:
final
Fee:
$1,446
Permit Type:
N/A
Building Type:
N/A
Tear off and reroof 12 squares composition shingles (r-1-65); buildings with at least r-38 ceiling insulation
Valuation:
$12,000
Permit #:
B19-2626
Status:
final
Fee:
$244
Permit Type:
N/A
Building Type:
N/A
Levy residence: bathroom remodel removing one wall to expand
Valuation:
$23,000
Permit #:
B-CP18-0157
Status:
final
Fee:
$623
Permit Type:
Rcp-bath remodel
Building Type:
N/A
Fire damage repairs to garage and portion of home. scope to include: replace fire damaged roof rafters wall framing plywood shear ceiling and floor joists stucco sheetrock and insulation. replace gas piping ducting and associated electrical. all work per approved plans
Valuation:
$23,044
Permit #:
2021 034098 RS
Status:
final
Fee:
N/A
Permit Type:
Single-family
Building Type:
N/A
No Description Available
Valuation:
$18,000
Permit #:
65121447
Status:
issued
Fee:
N/A
Permit Type:
Alteration Reside...
Building Type:
N/A
Conditions of approval in both units. must comply with redmarks on plans and attached replace kitchen cabinets re-wire & sheetrock ceiling due to water damage
Valuation:
$48,000
Permit #:
1500005000
Status:
ISSUED
Fee:
N/A
Permit Type:
Bp-0 express
Building Type:
N/A
New first-story addition of approx. 416 sq.ft 435 sq.ft. second floor addition and a new 62 sq.ft. front entry porch. remodel kitchen and 2 bathrooms
Valuation:
$150,000
Permit #:
B16-2282
Status:
final
Fee:
$4,378
Permit Type:
N/A
Building Type:
N/A
Construct an approx. 278sqft detached outdoor patio with outdoor fireplace bbq sink and mini refrigerator ***07/15/22 field revision for drain system for bar sink***
Valuation:
$60,000
Permit #:
B21-3686
Status:
final
Fee:
$3,084
Permit Type:
N/A
Building Type:
N/A
Permit value$48kmessage contractor conditions of approval in both units. must comply with redmarks on plans and attached replace kitchen cabinets re-wire & sheetrock ceiling due to water damage
Valuation:
N/A
Permit #:
1500005000
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Attached garage fire repair 1) replace fire damage rafters 2 x 6 @ 24 o.c. 2) replace fire damage 2 x 8 rater tie @ 4 o.c. 3) replace like for like 2 x 8 ridge 4) replace gas line from meter to house 5) electrical to rewire garage 6) replace water heater in garage 7) replace heat ducts in living room and hallway 8) one gfic circuit for power (temp power)
Valuation:
$19,900
Permit #:
2011 025859 RS
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
Water damage repair in the basement: replace lower 4-feet of drywall and r-13 insulation in the walls replace cabinets replace water closet and lavatories in bathroom and replace the dishwasher and sink in the kitchen. no exterior work and all electrical and mechanical existing to remain
Valuation:
$64,000
Permit #:
11000-01610
Status:
issued
Fee:
$2,411
Permit Type:
N/A
Building Type:
N/A
Fire repair: replace rafters and sneathing. replace kitchen kitchen hall bathroom and rewire house. new ceiling and wall insulation. install new furnace detah and reset (e) water heater. electrcial service survey for meter release
Valuation:
$75,864
Permit #:
2011 018726 RS
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Repair areas damaged by fire incl. decks & stairs 432 sf and roof framing 552 sf. remodel interior incl. kitchen. new sheetrock and electrical throughout lower floor & portion of upper. addition bathroom (no add'l sf)
Valuation:
$115,521
Permit #:
2011-48101-00 BEMP
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace kitchen cabinets re-wire & sheetrock ceiling due to water damage in both units. must comply with redmarks on plans and attached conditions of approval
Valuation:
$48,000
Permit #:
B2015-05000
Status:
Issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Fire damage repair 1) fire damage repair/replace of attached garage roof framing 2) repair/replace of approx. 10 feet of garage wall and gabel end framing 3) rewire of garage replace sub-panel 4) replace electrical service 5) reroof over garage 6) replace/reglaze one window damaged window at bedroom off living room 7) remove one 8/0 6/8 patio slider and replace with one 8/0 4/0 window... see more
Valuation:
$10,576
Permit #:
2011 014825 RS
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
Remodel bathroom. replace sheet rock due to water dameage. marble and shower pan & valve. no electrical work
Valuation:
N/A
Permit #:
BLD2016-00483
Status:
final
Fee:
$832
Permit Type:
N/A
Building Type:
N/A
Replace vehicle damaged front of house at kitchen area. replace all damaged counters cabinets fixtures appliances in kitchen. replace damaged water line and electrical
Valuation:
$20,000
Permit #:
D130012
Status:
final
Fee:
$434
Permit Type:
Asfr
Building Type:
N/A
Replace roofing siding and window replacement of (e) garden shed. subject to field inspection
Valuation:
N/A
Permit #:
DEV22-1799
Status:
final
Fee:
$1,159
Permit Type:
N/A
Building Type:
N/A
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Verified License
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Mj12 Corp License info
Verified License
| License # | 944771 |
| Status | Active |
| State | California |
| Type | General Building |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Mj12 Corp at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-49289-2 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- According to the United States Environmental Protection Agency, 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 Mj12 Corp at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 919585 |
| Status | Inactive |
| State | California |
| Type | General Building |
- 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 Mj12 Corp at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $25,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
39
Permits
- Building permit records show that Mj12 Corp has worked on 39 permitted projects.
Mj12 Corp Employees
JK
Jessica Kim
Ceo / President
JK
Jessica Kim
Ceo / President
MM
Max Seyed Malihi
Sole Owner