Home Additions and ADU Construction by Cascella and Sons
Cascella and Sons Construction Corp is a design-build firm that handles both the design and construction of home additions and accessory dwelling units (ADUs) on Long Island. Their integrated approach means homeowners work with a single team from initial concept through project completion, rather than coordinating separately between architects and contractors.
The company focuses on building additions that complement the existing structure of a home. Their process begins with understanding how a household currently uses its space — identifying areas that feel cramped, inefficient, or poorly laid out — before developing a custom plan to address those specific needs. The goal is to improve daily functionality while maintaining the overall balance and appearance of the home.
Types of additions they work on include primary suites, expanded kitchen areas, and additional living spaces suited for growing families or multigenerational arrangements. By managing design and construction under one roof, Cascella and Sons aims to keep projects on schedule and within budget, with a single point of accountability throughout the process.
Accessory Dwelling Units as a Property Investment
Cascella and Sons also builds accessory dwelling units, commonly referred to as ADUs. A well-constructed ADU can add usable living space while improving a property's market appeal and long-term value. On Long Island, ADUs have become a practical option for homeowners looking to accommodate multigenerational living, generate rental income, or add flexibility to their property.
The firm emphasizes that quality materials, thoughtful planning, and professional construction all contribute to an ADU that integrates naturally with the main home. An ADU that feels like a deliberate part of the property — rather than a rushed addition — tends to be viewed more favorably by buyers and appraisers alike.
As an ADU builder and ADU contractor, Cascella and Sons works across different home styles, tailoring their approach to suit the architectural characteristics of each property. Their work includes garage conversion projects, attached additions, and rear or side unit construction depending on the layout and needs of the home.
ADU Compatibility Across Common Home Styles
Different home styles present different opportunities when it comes to ADU construction:
- Cape-Style Homes: These homes were originally designed with expansion in mind. They tend to work well with attached ADUs, dormer-supported layouts, and garage or rear conversions. A properly designed ADU on a Cape-style home can improve headroom and livability while preserving the home's original character.
- Ranch-Style Homes: Single-level ADUs suit ranch homes particularly well, maintaining accessibility while adding square footage. Garage conversions and rear additions are common approaches, and these configurations appeal to buyers interested in aging-in-place options or rental potential.
- Colonial-Style Homes: Colonials benefit from symmetrical, well-integrated ADU designs that maintain architectural balance. Rear or side units designed to mirror the existing structure can increase living space without compromising curb appeal — a combination that holds broad buyer appeal.
Whether the project involves a detached ADU, a garage conversion, or an attached in-law suite, Cascella and Sons approaches each build with attention to how the new space will function alongside the existing home. Their focus is on practical outcomes — usable space, structural integrity, and a finished result that fits the property rather than standing apart from it.