Updated: Nov 26, 2025
Location and Projects
Address
1061 Segovia Cir, Placentia, CA, 92870
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Guillermo Santomauro Solar Contractor
Guillermo Santomauro at 1061 Segovia Cir, Placentia, CA 92870, has a BuildZoom score of 100 and ranks in the top 13% of 336,931 California contractors.
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Guillermo Santomauro Contact Information
Phone Number: (909) 390-1786
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Address: 1061 Segovia Cir, Placentia, CA 92870
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Guillermo Santomauro Placentia
Quality
100
87th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Guillermo Santomauro has a BuildZoom score of 100, which places them above 87% of 336,931 contractors in California.
Activity
|
5 projects
|
2025 |
|
3 projects
|
2023 |
Our building permit records indicate that Guillermo Santomauro has worked on at least
8.0 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
|
4 projects
|
New Constructions |
|
8 projects
|
Solar installations |
Analyzing permits over the last 4 years shows that Guillermo Santomauro mostly works on
solar installation
and new construction
projects.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$5k-$20k |
|
2 projects
|
$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.
Installation of (10) roof mounted solar panels 4.000kw with (1) inverter and (10) optimizers please note: all panels and inverters will be verified by the field inspector in accordance with the stamped and approved plans at the time of inspection
Valuation:
$35,000
Permit #:
PEMP-12-22-1941
Status:
issued
Fee:
N/A
Permit Type:
Plck: residential
Building Type:
N/A
Install new 8.360kw roof mount photovoltaic system (19) aptos solar technology dna-120-mf 10-440w modules (1) solaredge technologies se7600h-us (240v) inverter(s) (19) solaredge technologies s440 power optimizers. existing 225a service panel at an existing single-family residence. no ess or generator shown. please note: all panels and inverters will be verified by the field inspector ... see more
Valuation:
$33,334
Permit #:
PEMP-06-23-2929
Status:
issued
Fee:
N/A
Permit Type:
Plck: residential
Building Type:
N/A
Installation of 4.34 kw roof mount photovoltaic system including 11- solaredge power optimizers with 11- trina solar 395watt modules existing- 125amp main service panel. no ess system shown. no generator shown. please note: all panels and inverters will be verified by the field inspector against the stamped and approved plans at the time of inspection
Valuation:
$17,851
Permit #:
PEMP-03-23-2419
Status:
issued
Fee:
N/A
Permit Type:
Plck: residential
Building Type:
N/A
(bxx2501647) (bel2503820) photovoltaic roof mount solar system - 14.35 kwh dc 13.10 kwh air conditioning - 35 q-cell modules - 1 inverter - with mpu (200amp)
Valuation:
N/A
Permit #:
BEL2503817
Status:
triage
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(bxx2500254) roof mount solar to main dwelling. 11.880 kw dc 10.793 kw air conditioning 27 modules--no mpu
Valuation:
N/A
Permit #:
BEL2403985
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Duplex - instl solar photovoltaic system 2.2 kw (5 panels) and (1) energy storage system 5 kw
Valuation:
N/A
Permit #:
PI2025-0288
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new 3.84kw ess with new 4.44kw single layer roof mount photovoltaic system including 12 new iq7+ microinverters with envoy 12 new lg 370 watt panels 1 new 3.84kw encharge ess system 1 new 100 amp sub panel. system ties into existing 125 125 amp service panel. rapid shut down test required. no generator shown. please note: all panels and inverters will be verified by the field... see more
Valuation:
$45,000
Permit #:
PEMP-01-22-0216
Status:
issued
Fee:
N/A
Permit Type:
Plck: residential
Building Type:
N/A
Install new 5.92kw single layer split 2 roof mount photovoltaic system including 16 new lg/ac 370 watt panels with monitor combiner. system ties into existing 125/100 amp service panel. no ess no generator shown. please note: all panels and inverters will be verified by the field inspector in accordance with the stamped and approved plans at the time of inspection
Valuation:
$40,000
Permit #:
PEMP-01-22-0252
Status:
issued
Fee:
N/A
Permit Type:
Plck: residential
Building Type:
N/A
Install new 5.13kw single layer roof mount photovoltaic system including 1 new se 5kw inverter rsd with optimizers and 13 new tesla 395 watt panels. system ties into existing 125 100 amp service panel in existing single family residence. no ess no generator shown
Valuation:
$17,207
Permit #:
PEMP-05-22-0650
Status:
issued
Fee:
N/A
Permit Type:
Plck: residential
Building Type:
N/A
Installation of 5.3kw roof mount photovoltaic system including 16-lg microinverters with 16-lg 365 watt modules to tie into an existing 200amp main panel and 125amp subpanel. project to include a tesla backup gateway 2-200amo ats and a tesla powerwall 2 ess. no generator shown. please note: all panels and inverters will be verified by the field inspector in accordance with the stamped... see more
Valuation:
$19,680
Permit #:
PEMP-03-22-0450
Status:
issued
Fee:
N/A
Permit Type:
Plck: residential
Building Type:
N/A
Install (n) 7.04kw roof mounted photovoltaic sytem (16) aptos solar dna-144-mf26-440w panels (1) se5000h-us inverter equipped with rapid shutdown kit (1) 30a air conditioning disconnect no ess. no generator shown. please note: all panels and inverters will be verified by the field inspector in accordance with the stamped and approved plans at the time of inspection
Valuation:
$14,800
Permit #:
PEMP-06-22-0800
Status:
issued
Fee:
N/A
Permit Type:
Plck: residential
Building Type:
N/A
(bel2403985) (2) 13.5 kwh tesla powerwall 3 batteries ( 27 kwh total)
Valuation:
N/A
Permit #:
BXX2500254
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition new 5kw ess to existing 6.5kw roof mount photovoltaic system including 1 new 5kw powerwall2 ess with gateway2 and 1 new 125 amp sub panel. system ties into existing 225/125 amp service panel. no generator shown no
Valuation:
$13,000
Permit #:
PEMP-02-22-0349
Status:
issued
Fee:
N/A
Permit Type:
Plck: residential
Building Type:
N/A
Electronic submittal: installation of flush roof mounted solar photovoltaic system 7.125kw (19) microinverters at 7.125 kw dc 6.401 kw air conditioning and (1) 60a air conditioning disconnect & (1) 100a solar combiner at existing single family residence. system ties into existing 200 amp service panel. ess under separate permit. no generator shown. please note: all panels and inverter... see more
Valuation:
$20,663
Permit #:
PEMP-10-21-0020
Status:
issued
Fee:
N/A
Permit Type:
Plck: residential
Building Type:
N/A
Reroof: remove one layer old roofing material. inspect plywood prepare roofing deck for city permit inspection. install synthetic underlayment. install 18 squares new asphalt shingles on (e) single family residence. install 2x2 mechanically attached kynar color drip edge metal to perimeter. install all new galvanized flashings to match new roof color substitute venting the ridge with ... see more
Valuation:
$18,500
Permit #:
RESO-12-21-0317
Status:
issued
Fee:
N/A
Permit Type:
Otc: repair
Building Type:
N/A
(bel2503817) 1 tesla powerwall ess battery (13.5 kwh) & 1 tesla expansion pack (13.5 kwh)
Valuation:
N/A
Permit #:
BXX2501647
Status:
triage
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(bel2503243) 27 kwh tesla powerwall 3 batteries with expansion pack
Valuation:
N/A
Permit #:
BXX2501475
Status:
plancheck
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(bel2503088) (1) ess tesla powerwall 3 battery (13.5 kwh)
Valuation:
N/A
Permit #:
BXX2501425
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(bel2503817) ev charger outlet in garage
Valuation:
N/A
Permit #:
BEL2503820
Status:
triage
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(bxx2501475) install of roof mount solar:11.50 kw dc 10.641 kw air conditioning. 25 modules 1 inverter. no mpu
Valuation:
N/A
Permit #:
BEL2503243
Status:
triage
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Guillermo Santomauro License info
License Not Required
| Status | Not Required |
- BuildZoom verified in January, 2024 that this contractor does not need a license to be a contractor in California.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
15
Permits
- Building permit records show that Guillermo Santomauro has worked on 15 permitted projects.