Updated: May 02, 2026
Location and Projects
Address
1485 Armstrong Ave, San Francisco, CA, 94124
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Pioneer Contractors Roofer
Pioneer Contractors Inc, 1485 Armstrong Ave, San Francisco, CA (Owned by: Herbert Li) holds a General Building, Roofing license and 4 other licenses according to the California license board.
Their BuildZoom score of 108 ranks in the top 5% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Pioneer Contractors Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Pioneer Contractors Inc Contact Information
Phone Number: (415) 671-1070
Address: 1485 Armstrong Ave, San Francisco, CA 94124
Pioneer Contractors Inc San Francisco
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Pioneer Contractors Inc has a BuildZoom score of 108, which places them above 95% of 336,931 contractors in California.
Activity
|
7 projects
|
2025 |
|
5 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Pioneer Contractors Inc has worked on at least
14.0 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
|
14 projects
|
Roofing projects |
Analyzing permits over the last 4 years shows that Pioneer Contractors Inc mostly works on
roofing project
projects.
Pricing
|
1 project
|
< $5k |
|
4 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
3 projects
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
3 projects
|
$250k-$500k |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $69,895. 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 Pioneer Contractors Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Remove existing roofing outside mechanical screen taper & coverboard install new roofing (torch down). roofing product: soprema sopralene flam 180 fr gr. continous r-23 insulation will be provided. 96 sri
Valuation:
$335,675
Permit #:
202505146419
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
67 - clinics-medi...
Install new single ply membrane roof over existing rof membrane throughout the low slope roof of the bill graham ci vic auditorium. approx 65000 sf of roof area to be reroofed
Valuation:
$1,500,000
Permit #:
202412046131
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
73 - public assmb...
Reroofing: self-adhered sbs smooth and sbs cap. t24 coating to be applied on exposed roof areas( pyramic plus lo sri: 104). approx 3100 sq ft. no hot works
Valuation:
$339,625
Permit #:
202509225826
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
71 - nursing home...
Reroof with no hot works. tpo membrane over residential(top floor). cool roof flintastic gra-fr coolstar bright white over commercial (first floor)
Valuation:
$92,400
Permit #:
202503122125
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
85 - residential ...
Reroofing. cool roof required: minimum 75 solar reflectance index or sr 0.63 and te 0.75
Valuation:
$192,575
Permit #:
202412035986
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Re roofing: no hot works
Valuation:
$339,625
Permit #:
202509225821
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
71 - nursing home...
Revision to roofing permit 202407196900. adding extra 1/2 in for protection of plywood. panel sheating provide wood structural panels with appropriate trademak of ada. the engineered wood assoc and meet req of voluntary standard psi or ps 2 and apa prp 108 performance standard
Valuation:
$1
Permit #:
202407226963
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
45 - school
Re roofing: standing seam roof repair and replace damaged panels intsall new replace in kind. patch repair. no hot work. approx 800 sq ft no cool roof requirements
Valuation:
$75,000
Permit #:
202509225820
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
02 - church
Reroofing asphalt shingles and associated flashing removal and repair. removal and replacement of plywood sheathing performed under separate permit application
Valuation:
$36,000
Permit #:
202409271789
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Rev to pa# 2025-0922-5826: porcelin pedistal pavers will be installed over 630 sqft. at roof
Valuation:
$69,895
Permit #:
202509256107
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
71 - nursing home...
Revision to pa# 202407196900; installation of tension ties use lttp2 tension ties at 2-0 with 0.148x21/2 nails above wood diaphram over each wood truss member
Valuation:
$1
Permit #:
202408098374
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
45 - school
Reroofing
Valuation:
$410,705
Permit #:
202407196900
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
45 - school
Re-roofing---require min solar reflectance=0.63 & min thermal emittance=0.75 or min sri=75
Valuation:
$334,000
Permit #:
201911076700
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
67 - clinics-medi...
Replace 2 skylight in kind
Valuation:
$5,000
Permit #:
202503132181
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
85 - residential ...
Reroofing. no structural work
Valuation:
$121,720
Permit #:
202407186767
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Commercial re-roof install 1/4 dens deck (fire retardant) over existing plywood new single-ply roll roofing fully adhered (121 sq)
Valuation:
$320,500
Permit #:
16000-03102
Status:
final
Fee:
$4,340
Permit Type:
N/A
Building Type:
N/A
Commercial roof overlay
Valuation:
$43,000
Permit #:
B2508-176
Status:
final
Fee:
$1,805
Permit Type:
Reroof-commercial
Building Type:
N/A
Demolish deck install new tpa 60 mil membrane over 1/2 cover board. 770 sq. esr report to remain onsite for inspector
Valuation:
N/A
Permit #:
BLD2021-01596
Status:
issued
Fee:
$5,506
Permit Type:
N/A
Building Type:
N/A
To comply with complaint #202185757. reroofing
Valuation:
$10,800
Permit #:
202201115766
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Reroof 65 squares tear off bur roofing and tile reroof with cold process and shingles
Valuation:
$173,600
Permit #:
16000-01880
Status:
final
Fee:
$2,819
Permit Type:
N/A
Building Type:
N/A
Pioneer Contractors Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Pioneer Contractors Inc License info
Verified License
| License # | 1121279 |
| Status | Active |
| State | California |
| Type | General Building, Roofing |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Pioneer Contractors Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 777064 |
| Status | Active |
| State | California |
| Type | General Building, Roofing |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Pioneer Contractors 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 # | 716235 |
| Status | Inactive |
| State | California |
| Type | Roofing, General Building |
| Business Type | Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Pioneer Contractors 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 # | NAT-F171780-1 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Corporation |
- According to the United States Environmental Protection Agency, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Pioneer Contractors Inc at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 827804 |
| Status | Inactive |
| State | California |
| Type | General Building, Roofing |
| Business Type | Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Pioneer Contractors Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
Insured
| Insurer | Navigators Specialty Insurance Company |
| Insured up to | $2,000,000 |
Bonded
| Bonded Agent | First National Insurance Company Of America |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Oak River Insurance Company |
96
Permits
- Building permit records show that Pioneer Contractors Inc has worked on 96 permitted projects.
Pioneer Contractors Inc Employees
FA
Feliciano Carrasco Avila
Rmo
HL
Herbert Li
Owner
HL
Herbert Ong Li
Rmo/Ceo/Pres
MA
Manuel Carrasco Avila
Officer