Updated: May 12, 2026
Location and Projects
Address
5171 SANTA FE ST STE I, San Diego, CA, 92109
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R Squared Contracting Construction
R Squared Contracting Inc at 5171 SANTA FE ST STE I, San Diego, CA 92109, held a General Contractor license (#868275) with the Oceanside contractors license board with an expiration date of 07-31-2011. We last verified the license was expired on 05-11-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
R Squared Contracting Inc Services
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R Squared Contracting Inc Contact Information
Phone Number: (858) 273-2626
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Address: 5171 SANTA FE ST STE I, San Diego, CA 92109
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Building Permits by R Squared Contracting Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Residential alteration or addition - plan check-permit
2013-09-13
Cross street: toyon hill dr description of work: roof mount residential solar photovoltaic for existing single family dwelling no. of modules: 11 no. of inverters: 11 (micro) total system size in kilowatts: 2.6 per section 4620 (i) of the zoning ordinance roof mounted photovoltaic systems shall not extend more than 5 above the highest point of the existing roof. 29-sep-2010: addition ... see more
Valuation:
N/A
Permit #:
PDS2010-1031-20100683
Status:
complete
Fee:
$226
Permit Type:
N/A
Building Type:
N/A
Residential alteration or addition - plan check-permit
2013-11-01
Cross street: via donito description of work: roof mount residential solar photovoltaic for existing single family dwelling no. of modules: 12 no. of inverters: 12 micro inverters total system size in kilowatts: 2.8 per section 4620 (i) of the zoning ordinance roof mounted photovoltaic systems shall not extend more than 5 above the highest point of the existing roof
Valuation:
N/A
Permit #:
PDS2010-1031-20100822
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential alteration or addition - plan check-permit
2013-11-01
Cross street:quail rd description of work: roof mount residential solar photovoltaic for existing single family dwelling no. of modules: 5 no. of inverters: 5 micro inverters total system size in kilowatts: 1.18 see 1007-20100902 for upgrade...vmd 12-21-10 per section 4620 (i) of the zoning ordinance roof mounted photovoltaic systems shall not extend more than 5 above the highest poin... see more
Valuation:
N/A
Permit #:
PDS2010-1031-20100821
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Ccdc building permit for a 6 story building with 3 levels of underground parking . mixed use building 3 levels of below grade parking street level is retail and 5 levels above are apartments (229 units) . transit area . residential tandem parking . zone = ccdc-c . centre city pdo . census tract 52
Valuation:
$28,090,834
Permit #:
100134
Status:
complete
Fee:
$78,560
Permit Type:
Five or more fami...
Building Type:
N/A
Ccdc, building permit for a 6 story building with 3 levels of underground parking .. mixed use building, 3 levels of below grade parking, street level is retail, and 5 levels above are apartments (229 units) ... transit area .. residential tandem parking ... zone = ccdc-c .. centre city pdo .. census tract 52
Valuation:
$0
Permit #:
100136
Status:
Completed
Fee:
N/A
Permit Type:
N/A
Building Type:
Five or More Fami...
Peninsula-building permit for tenant improvement to a new office. the scope of work includes new walls and interior tempered glass walls to create a new conference room and office new closet room new sink and counter top. cc-4-2 cdp 521946 (pts 148076) cpioz-b, cstl
Valuation:
$26,880
Permit #:
777280
Status:
complete
Fee:
$1,246
Permit Type:
Add/alt tenant im...
Building Type:
N/A
Map waiver application to waive the requirements of a tentative map and undergrounding overhead utilities on a 0.16 acre site at 4583 idaho street approved november 1, 2006 by the hearing officer as evidenced by resolution no. ho-5563
Valuation:
$0
Permit #:
364144
Status:
Issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential alteration or addition - plan check-permit
2013-08-19
Cross street: gate view st description of work: roof mount residential solar photovoltaic for existing single family dwelling no. of modules: 5 no. of inverters: 5 total system size in kilowatts: 1.2 per section 4620 (i) of the zoning ordinance roof mounted photovoltaic systems shall not extend more than 5 above the highest point of the existing roof.5
Valuation:
N/A
Permit #:
PDS2010-1031-20100614
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential alteration or addition - plan check-permit
2013-10-20
Cross street: sunset description of work: roof mount residential solar pv for existing sfd no. of modules: 6 no. of inverters: 6 micro-inverters total system size in kilowatts: 1.4 per section 4620 (i) of the zoning ordinance, roof mounted photovoltaic systems shall not extend more than 5' above the highest point of the existing roof.
Valuation:
N/A
Permit #:
PDS2010-1031-20100786
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential alteration or addition - plan check-permit
2013-10-14
Cross street: cherry rd. description of work: roof mount residential solar photovoltaic for existing single family dwelling no. of modules: 6 no. of inverters: 6 total system size in kilowatts: 1.4 per section 4620 (i) of the zoning ordinance roof mounted photovoltaic systems shall not extend more than 5 above the highest point of the existing roof
Valuation:
N/A
Permit #:
PDS2010-1031-20100767
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential alteration or addition - plan check-permit
2013-10-24
Cross street: 4s ranch pkwy description of work: roof mount residential solar pv for existing sfd no. of modules: 10 no. of inverters: 10 micro inverters total system size in kilowatts: 2.35 per section 4620 (i) of the zoning ordinance, roof mounted photovoltaic systems shall not extend more than 5' above the highest point of the existing roof.
Valuation:
N/A
Permit #:
PDS2010-1031-20100793
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential alteration or addition - plan check-permit
2013-11-08
Cross street: san pablo description of work:roof mount residential solar photovoltaic for existing single family dwelling no. of modules: 8 no. of inverters:8 micro inverters total system size in kilowatts: 1.9 per section 4620 (i) of the zoning ordinance roof mounted photovoltaic systems shall not extend more than 5 above the highest point of the existing roof
Valuation:
N/A
Permit #:
PDS2010-1031-20100843
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential alteration or addition - plan check-permit
2013-11-07
Cross street: flinn crest st description of work: roof mount residential solar photovoltaic for existing single family dwelling no. of modules: 7 no. of inverters:7 micro inverters total system size in kilowatts: 1.65 per section 4620 (i) of the zoning ordinance roof mounted photovoltaic systems shall not extend more than 5 above the highest point of the existing roof
Valuation:
N/A
Permit #:
PDS2010-1031-20100838
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential alteration or addition - plan check-permit
2013-11-17
Cross street: towne ln description of work: roof mount residential solar photovoltaic for existing single family dwelling no. of modules: 13 no. of inverters: 13 total system size in kilowatts: 3 per section 4620 (i) of the zoning ordinance roof mounted photovoltaic systems shall not extend more than 5 above the highest point of the existing roof
Valuation:
N/A
Permit #:
PDS2010-1031-20100877
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential alteration or addition - plan check-permit
2013-11-23
Cross street: triple crown description of work: roof mount residential solar pv for existing sfd no. of modules: 5 no. of inverters:1 total system size in kilowatts: 2.3 ***also upgrade from 100 to 125amps *** per section 4620 (i) of the zoning ordinance, roof mounted photovoltaic systems shall not extend more than 5' above the highest point of the existing roof.
Valuation:
N/A
Permit #:
PDS2010-1031-20100908
Status:
complete
Fee:
$226
Permit Type:
N/A
Building Type:
N/A
Residential alteration or addition - plan check-permit
2013-12-13
Cross street: winter gardens description of work: roof mount residential solar photovoltaic for existing single family dwelling no. of modules: 12 no. of inverters: 12 micro inverters total system size in kilowatts: 2.8 per section 4620 (i) of the zoning ordinance roof mounted photovoltaic systems shall not extend more than 5 above the highest point of the existing roof
Valuation:
N/A
Permit #:
PDS2010-1031-20100962
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential alteration or addition - plan check-permit
2014-01-06
Cross street: magnolia description of work: roof mount residential solar photovoltaic for existing single family dwelling no. of modules: 5 no. of inverters:5 micro inverters total system size in kilowatts: 1.2 per section 4620 (i) of the zoning ordinance roof mounted photovoltaic systems shall not extend more than 5 above the highest point of the existing roof
Valuation:
N/A
Permit #:
PDS2011-1031-20110023
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential alteration or addition - plan check-permit
2014-01-06
Cross street: cara ct description of work: roof mount residential solar photovoltaic for existing single family dwelling no. of modules: 20 no. of inverters: 20 micro inverters total system size in kilowatts: 4.7 per section 4620 (i) of the zoning ordinance roof mounted photovoltaic systems shall not extend more than 5 above the highest point of the existing roof
Valuation:
N/A
Permit #:
PDS2011-1031-20110022
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential alteration or addition - plan check-permit
2010-12-14
Cross street: winter gardens description of work: roof mount residential solar photovoltaic for existing single family dwelling no. of modules: 12 no. of inverters: 12 micro inverters total system size in kilowatts: 2.8 per section 4620 (i) of the zoning ordinance roof mounted photovoltaic systems shall not extend more than 5 above the highest point of the existing roof
Valuation:
N/A
Permit #:
PDS2010-1031-20100962
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential alteration or addition - plan check-permit
2010-11-24
Cross street: triple crown description of work: roof mount residential solar photovoltaic for existing single family dwelling no. of modules: 5 no. of inverters:1 total system size in kilowatts: 2.3 ***also upgrade from 100 to 125amps *** per section 4620 (i) of the zoning ordinance roof mounted photovoltaic systems shall not extend more than 5 above the highest point of the existing ... see more
Valuation:
N/A
Permit #:
PDS2010-1031-20100908
Status:
complete
Fee:
$226
Permit Type:
N/A
Building Type:
N/A
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R Squared Contracting Inc License info
Inactive License
| License # | 868275 |
| Status | Inactive |
| City | Oceanside |
| Type | Contractor |
| Business Type | Corporation |
- According to the City of Oceanside, CA, 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 R Squared Contracting Inc at the City of Oceanside, CA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 868275 |
| Status | Inactive |
| State | California |
| Type | 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. If this is your business, please update your license status.
Check this license's status for R Squared Contracting Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
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Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $12,500 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
50
Permits
- Building permit records show that R Squared Contracting Inc has worked on 50 permitted projects.
R Squared Contracting Inc Employees
RE
Robert Russell Earnshaw
Sole Owner