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Basic Details

The Great Room Company
siachen.com/thegreatroomcompany
United States
Massachusetts
Newburyport
Newburyport, Massachusetts Portsmouth, New Hampshire
Residential property owners
Seacoast of Massachusetts, New Hampshire and Maine
Massachusetts seacoast
New Hampshire seacoast
Maine seacoast
Custom-home design and construction
Residential additions and renovations
CAD design visualisation

Communication

(978) 255-1450
(603) 431-3800

About Business

Business Summary

Residential design-and-build company creating custom homes, additions and renovations across the seacoast of Massachusetts, New Hampshire and Maine.

Business Description

Regional residential design-and-build practice with Newburyport and Portsmouth contacts, a portfolio of coastal houses and a design-to-finished-home comparison gallery.

Detailed Business Description

The Great Room Company designs and builds custom homes, additions and renovations across the seacoast of Massachusetts, New Hampshire and Maine.

At a Glance

What it offers

Custom homes, residential additions and renovations.

Who it serves

Homeowners planning a new residence or changes to an existing home.

Where

Seacoast Massachusetts, New Hampshire and Maine; Newburyport and Portsmouth contacts.

How to enquire

Call the relevant office or use the official contact form.

Residential Design and Construction

The Great Room Company presents a regional residential design-and-build practice with contact locations in Newburyport, Massachusetts, and Portsmouth, New Hampshire. Its portfolio spans new houses and changes to existing homes, with separate galleries for waterfront properties, featured homes and additions or renovations.

The published projects give prospective clients a way to assess architectural character and the relationship between a house and its surroundings. Examples range from cottage and shingle-style homes to more contemporary forms. The gallery is useful evidence of the company’s presented work; it does not establish the scope or price of a future commission.

Design Visualisation and Project Examples

The official CAD to Finished Home collection places design images alongside finished photographs. Dramatic Arches and Shingle Style are two named examples. This lets a visitor compare the proposed building form with the completed result rather than relying on drawings alone.

For alteration work, the company states that it has in-house design staff and framing crews. Its renovation gallery includes Island View, The Wave Addition and Traditional Revisited. These examples help homeowners explore how additional living space can relate to the existing building. Staff numbers, facilities and construction licences have not been independently established in this Phase 1 review.

Contact The Great Room Company

Newburyport, Massachusetts: +1 978-255-1450
Portsmouth, New Hampshire: +1 603-431-3800

The official website provides city-level contacts rather than a full street address. Use the contact form to describe your location and whether you are considering a new home, addition or renovation.

Call NewburyportCall PortsmouthContact the BusinessOfficial Website

Frequently Asked Questions

Does the company work on existing homes?

Yes. Additions and renovations are listed alongside new custom homes, with examples in the official renovation gallery.

Where does it work?

The company describes its service area as the seacoast of Massachusetts, New Hampshire and Maine. Ask the relevant office about your particular site.

Can I see a design alongside the finished result?

The CAD to Finished Home gallery pairs design images with photographs of completed houses, including Dramatic Arches and Shingle Style.

Where can I discuss a project?

Call the Newburyport or Portsmouth number above, or use the official contact form. Project scope, availability, approvals, specifications and pricing need direct agreement with the company.

Information Sources

Reviewed 25 October 2026: the company’s official website, contact page, renovation gallery, CAD comparisons and media page. The website’s social links identify its Facebook, LinkedIn and YouTube destinations. Please contact Siachen to suggest a factual correction. The banner is an original AI-generated architectural illustration, not a photograph of a company project.

Siachen Business Information & Verification

Independent information checks for this business profile.

These statuses describe Siachen’s information checks, not the business’s quality or reliability. ‘Not Yet Checked’ means Siachen has not yet assessed this item. ‘Not Yet Verified’ means a check was attempted but sufficient evidence was not established. It does not imply that the business lacks credentials or is operating improperly. Public information and Siachen’s research may be incomplete or outdated.

iOfficial Website — Supported
iBusiness Contact — Supported — two office telephone numbers and official contact form
iBusiness Location — Supported — Newburyport and Portsmouth at city level; precise premises Not Yet Verified
–Registration / Licence — Not Yet Checked

Information last reviewed — 25 October 2026

Siachen Reader Note

Business information naturally evolves over time as organisations introduce new products, services, facilities, technologies, certifications, leadership changes and operational improvements.

This Business Knowledge Profile begins with information submitted by the business owner or representative. Siachen then reviews, verifies where possible, and enhances that information using the company’s official website, where available, and other reliable public sources before publishing the revised profile.

As business information may change after publication, readers are encouraged to visit the company's official website, where available, or contact the business directly to obtain the latest information regarding products, services, pricing, operating hours, admissions, appointments, certifications, contact details, locations and other important updates before making business decisions.

Siachen Business Knowledge Platform periodically reviews Business Knowledge Profiles wherever practical. However, the official website, where available, and authorised representatives of the business remain the most reliable sources of current information.

Photo & Video Media

Corporate Business Video

Products / Services

Services

Custom-home design and construction

For homeowners planning an individual residence. The official portfolio includes waterfront houses and featured homes in traditional, coastal and contemporary forms. The published examples provide a starting point for discussing the site, layout and architectural approach.

Residential additions

For owners who want to extend an existing home. The company’s addition gallery and stated in-house design and framing capability are relevant to creating new space that connects with the existing structure.

Home renovations

For substantial changes to an existing property. The renovation portfolio shows reworked homes, including Traditional Revisited and Island View, rather than a menu of standard refurbishment packages.

Design images and pre-construction visualisation

The CAD galleries communicate proposed building form, while CAD to Finished Home comparisons show selected designs beside completed photographs. Ask the company which drawings and visualisations are included in a proposed commission.

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