Quality Craftsmanship Since 2013
Comfort, Efficiency, and Security: Professional Window and Door Installation
Old or damaged windows and doors can increase energy costs, reduce curb appeal, and compromise your home’s safety.
At Mitchell Dossey Contracting LLC, we provide expert window and door replacement services in Jamestown, NY, and surrounding communities. Whether you’re upgrading for style, efficiency, or performance, we’ll help you choose the right products and install them with precision.
With more than a decade of general contracting experience, we deliver reliable, high-quality results on every installation — from a single window to a full home upgrade.
Complete Window & Door Services
We offer full-service replacement, installation, and finishing for residential and light commercial properties.
Window Replacement & Installation
Our team installs energy-efficient, weather-resistant windows that enhance your home inside and out. We work with top-rated manufacturers and offer a range of window styles, including:
- Double-hung and single-hung windows
- Casement and awning windows
- Bay and bow windows
- Sliding windows
- Picture and specialty windows
Benefits of Replacement Windows:
- Improved energy efficiency and lower utility bills
- Noise reduction and UV protection
- Easier cleaning and maintenance
- Enhanced interior comfort and curb appe
Door Replacement & Installation
A high-quality door improves security, function, and first impressions. We install all types of exterior and interior doors, including:
- Front entry doors
- Sliding patio doors
- French doors
- Storm and screen doors
- Basement and side entry doors
Door materials offered:
- Fiberglass
- Steel
- Wood
- Composite
Why Choose Mitchell Dossey Contracting?
When it comes to window and door replacement, experience and attention to detail matter. Our clients trust us to do it right the first time — and to treat their homes with care.
- Over 10 years of experience serving Jamestown homeowners
- Fully licensed and insured
- Honest, no-pressure estimates
- Clean, respectful crews
- Available 24/7 for consultations and scheduling
- Quality materials from trusted suppliers
- Owner-led project management for consistent results
- BBB Accredited with an A+ Rating
We don’t believe in quick fixes. We believe in solutions that last — both in performance and appearance.
Signs It’s Time to Replace Your Windows or Doors
If you’re not sure whether your existing windows and doors need replacing, here are some common signs:
Drafts or air leaks around frames
Windows that stick, fog up, or don’t lock properly
Doors that warp, stick, or let in water
Cracked or rotting trim or sashes
Rising energy bills despite thermostat changes
Fading furniture from UV exposure
Don’t settle for drafty windows or outdated doors – get your FREE window or door estimate today!
Schedule your free estimate today and take the first step toward a more efficient, secure, and stylish home.
Whether you’re upgrading your entire home or starting with one room, Mitchell Dossey Contracting LLC offers professional installation, premium products, and trusted service.
Our Process
At Mitchell Dossey Contracting, we make the replacement process straightforward and stress-free:
1. Consultation and Estimate
We assess your current windows and doors, recommend suitable products, and provide a clear, itemized estimate.
2. Select Products and Materials
Choose from a wide range of materials, styles, and performance ratings with guidance from our experienced team.
3. Professional Installation
Our crew arrives on time and installs each unit with care — ensuring proper alignment, insulation, and finish.
4. Final Walkthrough
We inspect every opening, confirm your satisfaction, and leave the work area clean and secure.
Window & Door Installation FAQs
Frequently asked questions
Will new windows and doors increase my home’s resale value?
Yes — window and door replacement consistently ranks among the top return-on-investment home improvements. Updated units improve curb appeal, pass home inspections more cleanly, and are a strong selling point for buyers in the local market.
How much can new windows and doors improve my energy efficiency?
Significantly. Modern energy-efficient windows with Low-E glass and insulated frames can reduce heat loss by up to 30–40% compared to older single-pane units. In Western New York and Northern Pennsylvania winters, that translates directly to lower heating bills and a more comfortable home.
How long does window or door installation take?
Most window replacements are completed in one to two days depending on the number of units. Door installations are typically finished in a single day. We work efficiently to minimize disruption and always leave your home clean and secure at the end of each workday.
What types of windows and doors do you install?
We install a wide range of styles including double-hung, casement, bay, and picture windows, as well as entry doors, patio doors, storm doors, and sliding glass doors. During your consultation, we’ll help you find the right fit for your home’s style, performance needs, and budget.
Do I need permits for window or door replacement in New York or Pennsylvania?
Permit requirements vary by municipality and project scope. Straightforward replacements in the same opening often don’t require a permit, but structural changes or egress window installations typically do. We assess permit requirements as part of every project.
What is the difference between a full-frame replacement and an insert window replacement?
An insert replacement fits a new window into your existing frame and is less invasive and more cost-effective when the surrounding trim and structure are in good condition. A full-frame replacement removes everything down to the rough opening and is the better choice when frames are rotted, damaged, or out of square — which is common in older Western New York homes.
Have a question you don’t see here? Contact us by email or call us at: (716) 499-0515
Areas We Serve
We proudly serve residential and commercial clients throughout Jamestown, Lakewood, Falconer, Bemus Point, Frewsburg, Chautauqua County, and nearby towns. View our service areas.
If you’re outside the immediate area, give us a call to confirm service availability at (716) 499-0515.