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Residential and Commercial Remodeling Contractors
Baltimore, MD

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Financing Available

Veteran Discounts

Free Estimates

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1200+

Construction Projects



300

Architectural Designs



25+

Years of Experience



17+

Implementation of Auditoriums and Temples

Bring Your Vision to Life with Skilled Craftsmanship and Dependable Service

Sanmartin Contractor LLC delivers comprehensive remodeling solutions throughout Baltimore, MD. Since 2021, our family-owned business has combined over 25 years of experience with specialized finished carpentry skills to bring residential and commercial projects to life. We maintain full licensing and liability insurance for your protection.

Our commitment to quality workmanship and transparency has made us a trusted partner for homeowners and business owners serving Baltimore and surrounding areas. We provide free estimates within 1-2 business days, handle all necessary permits, and communicate fluently in both English and Spanish. Ready to start your project? Contact us today.

Why Choose Us

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Trustworthy and Reliable

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Over 25 Years of Experience

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Licensed Business

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Family and Locally Owned

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Fluent in English and Spanish

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Quality Workmanship

Sanmartin Contractor LLC
Basement Remodeling Services
We help you turn underutilized basements into functional living spaces that add value to your home. Our team manages every aspect from waterproofing considerations to finishing touches, ensuring your basement becomes a comfortable extension of your living area.
Bathroom Remodeling Services
Our bathroom renovation services combine practical functionality with modern design aesthetics serving Baltimore and surrounding areas. From fixture installation to complete layout redesigns, we create bathrooms that meet your daily needs while enhancing your home's appeal.
Commercial Remodeling Services
We understand that business renovations require minimal disruption and maximum efficiency. Our commercial remodeling services address your specific business needs while maintaining professional standards and meeting all code requirements throughout the project.
Full Home Remodeling
Reimagine your entire property with our comprehensive home remodeling services that coordinate all aspects of your renovation. We manage the complete process from initial planning through final inspection, ensuring consistency and quality across every room.
Home Addition Services
Expand your living space with professionally constructed home additions that blend seamlessly with your existing structure. Our construction team handles foundation work, framing, and finishing to deliver additions that feel like original parts of your home.
Investment Properties
We work with property investors throughout Baltimore and surrounding areas to maximize rental appeal and property value through strategic renovations. Our competitive pricing, which includes price matching, and efficient project management help you achieve strong returns on your investment.
Kitchen Remodeling Services
Your kitchen deserves the same attention to detail we bring to every project. We redesign kitchen spaces to improve workflow, increase storage, and create gathering places where families naturally congregate, all while showcasing our finished carpentry specialization.

Rooftop Decks

A rooftop deck transforms underutilized space into a functional outdoor environment that extends your living area while maximizing your property's footprint. We design and build structurally sound rooftop installations that account for load-bearing requirements, weatherproofing, and local building codes, delivering durable outdoor spaces engineered for long-term performance and daily use.

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Recent Projects

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

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