# Cornerstone Electrical Contractors, LLC.

Canonical page: https://bestelectricianspennsylvania.com/pa/electricians/cornerstone-electrical-contractors/

Cornerstone Electrical Contractors, LLC. has one Google listing, with 11 reviews and a rating of 5.0. Ratings from Google, checked 13 November 2026.

York, York County

**5.0** from 11 Google reviews

- Registered 2016

[Visit website](https://cornerstoneelectricalco.com/)

**80.1** out of 100 formula v1.5

Score: 80.1 out of 100 (formula v1.5, data of 13 November 2026). Place 134 of 672 in the full directory ranking of Pennsylvania. Not in the family-run ranking: no family-run statement found and ownership: independent.

## Key facts

- **Based in:** York, York County (ZIP 17406)
- **Phone:** (717) 676-6262 (from its Google listing)
- **Website:** [https://cornerstoneelectricalco.com/](https://cornerstoneelectricalco.com/)
- **Google rating:** 5.0 average from 11 reviews. Ratings from Google, checked 13 November 2026. [Main listing](https://maps.google.com/?cid=16371727881786849871&g_mp=Cidnb29nbGUubWFwcy5wbGFjZXMudjEuUGxhY2VzLlNlYXJjaFRleHQQAhgEIAA).
- **Ownership:** Independent, confirmed by an independent source. Sources: [company website](https://cornerstoneelectricalco.com/), [business directory](https://www.bbb.org/us/pa/york/profile/electrician/cornerstone-electrical-contractors-llc-0241-142521483), [state record](https://data.pa.gov/d/xvd7-5r2c). Researched 11 November 2026.
- **Family-run:** Not found: no family-run statement was found.
- **Founded:** 2009, according to the company ([page](https://cornerstoneelectricalco.com/)).
- **State registration:** Cornerstone Electrical Contractors LLC, Domestic Limited Liability Company, registered 23 May 2016, filing 0006399336 ([Pennsylvania Department of State](https://data.pa.gov/d/xvd7-5r2c), checked 11 November 2026).

## Why it ranks here

Cornerstone Electrical Contractors, LLC. scores 80.1 out of 100, and most of its points come from the Google rating (36.4 of 44.4 possible) and claim accuracy (22.2 of 22.2 possible). It loses the most on the number of reviews, 11.8 of 16.7 points, with 11 Google reviews against the 5,000 needed for full credit. It earns no bonus points: we did not find published prices, 24/7 service shown in its Google hours or a written workmanship warranty with a stated term on its website.

**Score breakdown, formula v1.5 ([method](https://bestelectricianspennsylvania.com/methodology/))**

| Part | Weight | Value | Points | Possible |
|---|---:|---:|---:|---:|
| Google rating, adjusted for review count | 40% | 0.818 | 36.4 | 44.4 |
| Number of Google reviews | 15% | 0.292 | 4.9 | 16.7 |
| Accuracy of the company's own claims | 20% | 1.000 | 22.2 | 22.2 |
| Years in business | 10% | 1.000 | 11.1 | 11.1 |
| State registration check | 10% | not used yet |  |  |
| Transparency (website, phone, address, hours) | 5% | 1.000 | 5.6 | 5.6 |
| Weighted score |  |  | 80.1 | 100.0 |
| **Final score** |  |  | **80.1** | 100.0 |

## How it compares in Pennsylvania

**Cornerstone Electrical Contractors, LLC. compared with the median of the ranked companies, data of 13 November 2026. Ratings from Google. Years in business count only an exact founding year, so their medians cover the 176 ranked companies statewide that have one (20 in York County).**

| Measure | Cornerstone Electrical Contractors, LLC. | Median of the 672 ranked in Pennsylvania | Median of the 59 ranked in York County |
|---|---:|---:|---:|
| Score | 80.1 | 73.5 | 74.1 |
| Google rating | 5.0 | 4.9 | 4.9 |
| Google reviews | 11 | 33 | 38 |
| Years in business | 17 | 26 | 21.5 |

- Place 134 of 672 in the full directory ranking of Pennsylvania, ahead of 80% of the 672 ranked companies.
- Ranked 14th in York County, the only county where it has a Google listing or says it serves (Google listing there).
- Ranked 11th in York, the only town where it has a Google listing or says it serves (Google listing there).

## Where it ranks

- [Dauphin County](https://bestelectricianspennsylvania.com/pa/county/dauphin/): 11th in the directory ranking; based 7 miles away.
- [Lancaster County](https://bestelectricianspennsylvania.com/pa/county/lancaster/): 16th in the directory ranking; based 6 miles away.
- [York County](https://bestelectricianspennsylvania.com/pa/county/york/): 14th in the directory ranking; Google listing there.
- [York](https://bestelectricianspennsylvania.com/pa/town/york/): 11th in the directory ranking; Google listing there.

## Other electricians in York County

**The ranked companies of York County placed nearest to Cornerstone Electrical Contractors, LLC. in the county's full directory ranking. Data of 13 November 2026. [All of York County](https://bestelectricianspennsylvania.com/pa/county/york/).**

| Place in county | Company | Score |
|---:|---|---:|
| 11 | [Palmatier Electric](https://bestelectricianspennsylvania.com/pa/electricians/palmatier-electric/) New Providence, Lancaster County | **82.4** |
| 12 | [Ascom Electric Inc](https://bestelectricianspennsylvania.com/pa/electricians/ascom-electric/) Dover, York County | **81.2** |
| 13 | [Miller Electrical Services, LLC](https://bestelectricianspennsylvania.com/pa/electricians/miller-electrical-services/) Marietta, Lancaster County | **81.1** |
| 15 | [Leer Electric, Inc.](https://bestelectricianspennsylvania.com/pa/electricians/leer-electric/) Dillsburg, York County | **80.1** |
| 16 | [Harris Electric Service, Inc.](https://bestelectricianspennsylvania.com/pa/electricians/harris-electric-service/) Fawn Grove, York County | **79.7** |
| 17 | [Rainier Electric LLC](https://bestelectricianspennsylvania.com/pa/electricians/rainier-electric/) Brogue, York County | **79.5** |

## Google listings

**Google listings of Cornerstone Electrical Contractors, LLC.. Ratings from Google, read on the dates shown**

| Listing | Town | County | Rating | Reviews | Read on |
|---|---|---|---:|---:|---|
| [Cornerstone Electrical Contractors, LLC.](https://maps.google.com/?cid=16371727881786849871&g_mp=Cidnb29nbGUubWFwcy5wbGFjZXMudjEuUGxhY2VzLlNlYXJjaFRleHQQAhgEIAA) | York | York | 5.0 | 11 | 2026-11-13 |

## Claims checked

Each statement found on the company's website was compared with records we did not get from the company. The results use three terms only: supported, no independent record, and inconsistent with records.

**Claims on the company's website compared with independent records**

| Claim | Result | What we found | Sources | Score effect | Checked |
|---|---|---|---|---|---|
| Founding year | **no independent record** | The business states it began in 2009; its current registration dates from 2016 (the domain and archive records do not both reach the 5-year gap). | [claim](https://cornerstoneelectricalco.com/); [Pennsylvania Department of State formation date (2016-05-23)](https://data.pa.gov/d/xvd7-5r2c); [domain registration (2020-12-16)](https://rdap.verisign.com/com/v1/domain/cornerstoneelectricalco.com) | none | 2026-11-10 |
| Review total | **supported** | The site claims 11 reviews; the 1 Google listing we found has 11 in total (ratio 1.0). | [claim](https://cornerstoneelectricalco.com/); [Google listings (1) (2026-11-13)](https://maps.google.com/?cid=16371727881786849871) | none | 2026-11-10 |
| Number of locations | **supported** | The site publishes 1 location; we found 1 Google listing for the company (ratio 1.0). | [claim](https://cornerstoneelectricalco.com/); [Google listings (1) (2026-11-13)](https://maps.google.com/?cid=16371727881786849871) | none | 2026-11-10 |

## Services and what the company says about itself

- **Work named on its website:** [Generators](https://bestelectricianspennsylvania.com/pa/services/generators/), [lighting](https://bestelectricianspennsylvania.com/pa/services/lighting/), [panel upgrades](https://bestelectricianspennsylvania.com/pa/services/panel-upgrades/) and [rewiring](https://bestelectricianspennsylvania.com/pa/services/rewiring/) ([website](https://cornerstoneelectricalco.com/), read 10 November 2026).

## Questions

### Is Cornerstone Electrical Contractors, LLC. family-run?

We found no family-run statement on its website (read 10 November 2026), so it is not in the family-run ranking.

Source: [company website](https://cornerstoneelectricalco.com/).

### How many Google reviews does Cornerstone Electrical Contractors, LLC. have?

Cornerstone Electrical Contractors, LLC. has 11 Google reviews, with an average rating of 5.0, read 13 November 2026.

Source: [Google listing](https://maps.google.com/?cid=16371727881786849871&g_mp=Cidnb29nbGUubWFwcy5wbGFjZXMudjEuUGxhY2VzLlNlYXJjaFRleHQQAhgEIAA).

### Which counties does Cornerstone Electrical Contractors, LLC. serve?

It has Google listings in York County.

### How is the score calculated?

Its score of 80.1 comes from one formula used for every company (v1.5): the Google rating adjusted for review count, the number of reviews, claim accuracy, years in business and transparency, then ownership and bonus points. The method page gives every rule.

Source: [method page](https://bestelectricianspennsylvania.com/methodology/).

Something wrong or out of date? Write to [support@bestelectricianspennsylvania.com](mailto:support@bestelectricianspennsylvania.com) with the address of this page. Corrections are free; see [how corrections work](https://bestelectricianspennsylvania.com/corrections/).

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