---
title: "SL Mario Construction — General Contractors | Houzz"
canonical_html_url: https://www.houzz.com/professionals/general-contractors/sl-mario-construction-pfvwus-pf~1707475153
markdown_url: https://www.houzz.com/md/professionals/pf~1707475153.md
entity_type: LocalBusiness
business_name: "SL Mario Construction"
category: ["General Contractors"]
image: https://st.hzcdn.com/fimgs/a0336e840356dec5_6209-w400-h400-b0-p0--.jpg
address: "114 Turnpike Rd. #108, Westborough, Massachusetts 01581, United States"
latitude: 42.2679
longitude: -71.6176
phone: "(508) 329-1020"
website: http://slmario.com
rating: 0
review_count: 0
last_updated: 2026-09-12
---

# SL Mario Construction

Original Houzz profile: [SL Mario Construction](https://www.houzz.com/professionals/general-contractors/sl-mario-construction-pfvwus-pf~1707475153)

## Professional summary

- **Primary category:** General Contractors
- **Location:** Westborough, MA
- **Serves:** Boston, Cambridge, Newton, Brookline, Sudbury, Wayland
- **Houzz rating:** 0.0 out of 5 (0 reviews)

## About

### Houzz Badges

- 5 Ideabook Saves

S.L. Mario Construction is a high end General Contractor in the Boston and surrounding area for the past 25 years.  We specialize in turn of the century homes, logistically challenging projects, and luxury remodels.

### Services Provided

- Home Remodeling
- Bathroom Remodeling
- Kitchen Remodeling
- General Contracting
- Home Additions
- Home Extensions
- Deck Building
- Basement Remodeling

### Areas Served

- Boston
- Cambridge
- Newton
- Brookline
- Sudbury
- Wayland

### Typical Job Cost

$100,000 - 500,000

S.L. Mario Construction uses a fixed cost system that typically includes an allowance for selection items. Once you are a client, we love to provide much smaller miscellaneous project that typically cost a lot less.

## Business Details

| Field | Value |
| --- | --- |
| Business Name | SL Mario Construction |
| Address | 114 Turnpike Rd. \#108, Westborough, Massachusetts 01581, United States |
| Phone | (508) 329-1020 |
| Website | http://slmario.com |

## Contact

- **Houzz profile:** [SL Mario Construction](https://www.houzz.com/professionals/general-contractors/sl-mario-construction-pfvwus-pf~1707475153)
- **Website:** http://slmario.com
- **Phone:** (508) 329-1020

## Selected projects

- [A Childs Great Escape - Basement Renovation](https://www.houzz.com/hznb/projects/a-childs-great-escape-basement-renovation-pj-vj~7123654)
  - Location: Brookline, MA
  - Photos: 8
- [Colonial Additional and Renovation](https://www.houzz.com/hznb/projects/colonial-additional-and-renovation-pj-vj~7123660)
  - Location: Not specified
  - Photos: 20
- [The Aerialist Basement Renovation](https://www.houzz.com/hznb/projects/the-aerialist-basement-renovation-pj-vj~7123631)
  - Location: Brookline, MA
  - Photos: 13
- [Basement Playroom Renovation](https://www.houzz.com/hznb/projects/basement-playroom-renovation-pj-vj~7123625)
  - Location: Brookline, MA
  - Photos: 4
- [Boxford Barn Restoration](https://www.houzz.com/hznb/projects/boxford-barn-restoration-pj-vj~7123622)
  - Location: Boxford, MA
  - Photos: 7
- [Brookline Addition & Renovation](https://www.houzz.com/hznb/projects/brookline-addition-and-renovation-pj-vj~7123613)
  - Location: Brookline, MA
  - Photos: 14
- [Back Bay Condo Remdel](https://www.houzz.com/hznb/projects/back-bay-condo-remdel-pj-vj~7096783)
  - Location: Not specified
  - Photos: 21

[See all 7 projects](https://www.houzz.com/professionals/general-contractors/sl-mario-construction-pfvwus-pf~1707475153)

---

*Source: Houzz professional profile. Reflects the profile as of 2026-09-12.*