Updated: Jun 15, 2026
Location and Projects
Address
450 MORSE AVE, Sunnyvale, CA, 94085
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Phalanx Construction
Based in Sunnyvale, Phalanx Construction has provided residential and commercial construction services in the South Bay for 15 years. The company undertakes a range of projects, including building single-family homes, additions, and tenant improvements for commercial properties. Phalanx Construction serves clients throughout Santa Clara County and neighboring cities, handling new builds as well as major renovations. The team brings experience managing complex permitting processes and coordinating all project phases from ground-up through final finishes. Project types include interior remodels, structural upgrades, and updates to kitchens and bathrooms. Phalanx Construction adapts to client design requirements and works with local architects, engineers, and municipal inspectors to ensure projects meet current codes. The company emphasizes clear communication throughout pre-construction, budgeting, and the building process.
Phalanx Construction Services
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Phalanx Construction Contact Information
Phone Number: (408) 945-8686
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Address: 450 MORSE AVE, Sunnyvale, CA 94085
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Phalanx Construction Sunnyvale
Quality
96
80th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Phalanx Construction has a BuildZoom score of 96, which places them above 80% of 336,931 contractors in California.
Activity
|
1 project
|
2023 |
Our building permit records indicate that Phalanx Construction has worked on at least
1.0 project 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
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.
2-story single family residence with basement and attached garage. 2 tankless water heaters air conditioning system
Valuation:
$1,010,951
Permit #:
17000-02580
Status:
expired
Fee:
$33,600
Permit Type:
N/A
Building Type:
N/A
New 2 710 sf two story residence with 996 sf conditioned basement 289 sf covered patio and 366 sf deck. includes relocating (e) electric service from overhead to underground. (14pln-00151)
Valuation:
$657,000
Permit #:
14000-03083
Status:
final
Fee:
$18,505
Permit Type:
N/A
Building Type:
N/A
New two-story house (4313 sf) with attached garage (427 sf) with basement (2932 sf)
Valuation:
$700,000
Permit #:
19000-00322
Status:
final
Fee:
$35,448
Permit Type:
N/A
Building Type:
N/A
New 2-story home (3521 sf) with air conditioning and tankless water heater
Valuation:
$880,250
Permit #:
19000-01989
Status:
final
Fee:
$19,791
Permit Type:
N/A
Building Type:
N/A
New two-story house (3521 sf) with basement (2216 sf)
Valuation:
$1,031,568
Permit #:
19000-01258
Status:
final
Fee:
$26,675
Permit Type:
N/A
Building Type:
N/A
New two-story house (3021 sf) with basement (1821 sf) ***see replacement permit 23bld-03202 for final inspection history***
Valuation:
$868,287
Permit #:
19000-01142
Status:
expired
Fee:
$26,868
Permit Type:
N/A
Building Type:
N/A
New 2-story single family residence 3684 sf with attached 2-car garage 435sf
Valuation:
$634,011
Permit #:
17000-02880
Status:
final
Fee:
$19,373
Permit Type:
N/A
Building Type:
N/A
New 2-story single family residence 2 620sf with attached garage 225sf
Valuation:
$435,690
Permit #:
18000-01718
Status:
final
Fee:
$14,969
Permit Type:
N/A
Building Type:
N/A
19-1142: revised plans to extend conditioned space at rear of residence by 218sf associated work
Valuation:
$45,000
Permit #:
20REV-00155
Status:
issued
Fee:
$329
Permit Type:
N/A
Building Type:
N/A
New two story house (2464 sf) with attached one car garage (225 sf)
Valuation:
$422,107
Permit #:
17000-02459
Status:
final
Fee:
$15,235
Permit Type:
N/A
Building Type:
N/A
Detached accessory building (pool house) 2 plumbing fixtures and roof over pool (627 sf)
Valuation:
$19,300
Permit #:
17000-02581
Status:
expired
Fee:
$2,263
Permit Type:
N/A
Building Type:
N/A
19000-00322: window changed to meet egress thirteen windows reduce the size of three skylights eliminate one skylight
Valuation:
N/A
Permit #:
19REV-00776
Status:
issued
Fee:
$234
Permit Type:
N/A
Building Type:
N/A
19000-01989: revision to move the shed and garage closer to the house
Valuation:
N/A
Permit #:
20REV-00016
Status:
issued
Fee:
$248
Permit Type:
N/A
Building Type:
N/A
New detached adu 357 sf
Valuation:
$30,000
Permit #:
20000-00677
Status:
final
Fee:
$4,307
Permit Type:
N/A
Building Type:
N/A
19-1145: revised plans include additional square footage of adu by 320sf
Valuation:
$65,000
Permit #:
20REV-00156
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New detached accessory structure (120 sf) with electrical and plumbing
Valuation:
$12,000
Permit #:
19000-01991
Status:
issued
Fee:
$394
Permit Type:
N/A
Building Type:
N/A
New detached adu (479 sf) **new area adu per 20rev-00156 is 799 sf.** ***see replacement permit 23bld-03204 for final inspection history***
Valuation:
$79,911
Permit #:
19000-01145
Status:
expired
Fee:
$6,359
Permit Type:
N/A
Building Type:
N/A
17o00-o2882: request separate metering electric and gas for main residence and accessory dwelling unit
Valuation:
N/A
Permit #:
18REV-00619
Status:
issued
Fee:
$112
Permit Type:
N/A
Building Type:
N/A
New detached accessory dwelling unit 700sf
Valuation:
$113,206
Permit #:
17000-02881
Status:
final
Fee:
$6,988
Permit Type:
N/A
Building Type:
N/A
16000-01758: revision to comply with landscape mwelo requirements area of landscaping: 2 944 sf
Valuation:
N/A
Permit #:
18REV-00201
Status:
issued
Fee:
$36
Permit Type:
N/A
Building Type:
N/A
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Phalanx Construction License info
Verified License
| License # | 943679 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation, Sole Ownership |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Phalanx 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 # | 939831 |
| 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 Phalanx Construction 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 | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
51
Permits
- Building permit records show that Phalanx Construction has worked on 51 permitted projects.
Phalanx Construction Employees
FL
Frank Leung
Officer
FL
Frank Leung
Officer
VL
Vincent Hung Leung
Rmo / Ceo / Pres