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Construction and Remodeling Services

Southern New Hampshire

Same-Day Estimates 

Design & Build Services 

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Reliable Construction From Skilled Craftsmen

CMGC Building Corporation provides quality construction services throughout Southern New Hampshire and the Lakes Region. Since 2004, our family-owned business has built on 40 years of experience, blending traditional craftsmanship with modern building techniques to create lasting homes and spaces.


Our master carpenters pay close attention to every detail, making sure each project meets our standards for quality and durability.

CMGC Building Corporation distinguishes itself through consistent adherence to timelines, full-service capabilities, and unique certifications. As one of only three companies in the region certified for historical renovations, we bring specialized knowledge to preservation projects while adhering to current building standards.


We build our customer relationships on performance, integrity, safety, and teamwork. From securing permits to working with insurance companies, we manage all construction complexities so you can focus on enjoying your new space. Contact us today to schedule your next project!

Why Choose Us

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Liability Insurance Coverage

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Same-Day Estimates for Most Projects

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Historical Renovation Works Certified

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Manufacturer Warranties

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Master Carpenters

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Licensed and Fully Insured

CMGC Building Corporation

New Home Builds

CMGC Building Corporation builds custom homes that match your vision and requirements. Our design and construction services support you through each construction phase, from initial planning to final completion. Every new home includes our 5-year warranty, giving you confidence in your investment.

Bathroom Remodeling Services

Update your bathroom into a practical and attractive space with our complete remodeling services. Our team oversees everything from choosing fixtures to final installation, delivering waterproof, beautiful results. We offer same-day estimates for most bathroom projects to help you plan effectively.

Deck Services

Add outdoor living space with a custom deck from CMGC Building Corporation. Our skilled carpenters build sturdy, beautiful decks designed for New Hampshire's changing seasons. We handle all permit requirements and ensure your deck meets local building codes.

Home Addition Services

Enhance your home's space and value with our thoughtful addition services. Our team carefully blends new areas with your existing home, preserving architectural harmony. All home additions come with our 5-year warranty and benefit from our skill in matching materials and designs.

Kitchen Remodeling Services

Update your kitchen with our full remodeling services that balance function and style. Our team coordinates everything from cabinets to countertops for a cohesive result. We stay informed about current kitchen design trends and materials to provide fresh solutions.

Siding Installation

Safeguard your home with professional siding that improves appearance and energy efficiency. As GAF certified contractors, we install quality materials with manufacturer warranties. Our siding services include proper insulation and moisture barriers for complete home protection.
CMGC Building Corporation

10% Off Exterior Upgrades

Transform your home's appearance and energy efficiency with 10% savings on premium siding, windows, and doors from Southern NH's trusted builders.

Contact us today to schedule your free consultation!

Not valid with any other offers or promotions. Restrictions apply.

Must mention this coupon at the time of scheduling.

CMGC Building Corporation

10% Off Exterior Upgrades

Transform your home's appearance and energy efficiency with 10% savings on premium siding, windows, and doors from Southern NH's trusted builders.

Contact us today to schedule your free consultation!

Not valid with any other offers or promotions. Restrictions apply.

Must mention this coupon at the time of scheduling.

CMGC Building Corporation
SAVE ON ROOF & DECK

Protect your investment and enhance your outdoor living space with 10% off professional siding, deck, roof, window, and door upgrades.

Contact our experts now!

Not valid with any other offers or promotions. Restrictions apply.

Must mention this coupon at the time of scheduling.

Recent Projects

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Here's what our satisfied customers are saying...

At CMGC Building Corporation, we take pride in providing exceptional construction and remodeling services to our customers. We would be grateful if you could share your thoughts about our family-owned business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of CMGC Building Corporation and let others know what you think.