Back Creek Builders

ADU and In-Law Suite Construction by Back Creek Builders

Accessory dwelling units have become one of the most requested residential construction projects in recent years. The motivations vary widely — aging parents who need nearby support while maintaining independence, adult children in transitional life stages, rental income potential, or dedicated space for caregivers. Whatever the reason, the construction requirements remain consistent: a complete living space with kitchen facilities, a bathroom, sleeping quarters, and a private entry, either attached to the primary residence or built as a separate structure on the same property.

These are not simple room additions. An in-law suite functions as a small home, with all the systems and code requirements that entails. Back Creek Builders designs and constructs in-law suites and ADUs that meet both regulatory requirements and practical living needs. Their projects range from garage conversions to purpose-built additions to standalone backyard cottages. They handle design, permitting, construction, and finishing — managing every phase through to completion.

Back Creek Builders was founded by Eric Young and Jason Gelblum, both with backgrounds in full-scale residential construction. Eric serves as President, with experience spanning real estate development and construction planning. Jason operates as Chief Operating Officer, bringing roughly nine years across leadership, real estate, and project coordination. Their work on custom homes has been covered by Baltimore Magazine. That foundation in home building is directly relevant to ADU construction — kitchen ventilation, bathroom waterproofing, and mechanical systems are not new territory for this team.

Navigating Zoning and Permitting for ADUs

ADU regulations vary significantly by jurisdiction. Some counties actively encourage accessory dwelling units with streamlined permitting processes. Others impose restrictions on size, placement, parking requirements, owner-occupancy rules, and rental limitations. Anne Arundel County handles ADUs differently than Baltimore County, and Montgomery County operates under its own framework.

Before design work begins in earnest, Back Creek Builders verifies what is permissible on a specific property. Zoning compliance is researched early, and permit timelines are factored into project planning from the start. Building code requirements for ADUs — including structural standards, egress, fire separation, smoke and carbon monoxide detection, and accessibility provisions — mirror those for primary residences and are addressed accordingly.

Utility connections are another practical consideration. In-law suites require water, sewer, electrical, and often gas connections. Some can tap into existing house systems, while detached ADUs may require separate service connections or upgraded capacity. The cost and complexity of utility work varies based on distance from existing connections and the capacity requirements of the new unit.

Types of ADU Projects Back Creek Builders Handles

Accessory dwelling units take many forms depending on property constraints, zoning allowances, budget, and intended use. Back Creek Builders works across a range of configurations:

1. Attached in-law suites — Additions connected directly to the main house, sharing at least one wall, often with both an interior connecting door and a separate exterior entrance.
2. Detached ADUs — Standalone structures, sometimes called backyard cottages, granny flats, or carriage houses. These offer maximum privacy and independence but require sufficient lot size and compliant zoning.
3. Garage conversions — Transforming attached or detached garages into living space. These conversions can be cost-effective since the basic structure already exists, though they require added plumbing, upgraded electrical, insulation, and egress compliance.
4. Basement conversions — Finishing or reconfiguring basement space as an in-law suite, with careful attention to natural light, ceiling height, moisture management, and egress windows.
5. Above-garage suites — Living quarters constructed over existing or new garage space, maximizing vertical space on smaller lots.
6. Second-story additions — Adding an in-law suite above existing single-story portions of the home, where lot coverage limits ground-level expansion.
7. Bump-out expansions — Expanding an existing room into a complete in-law suite through a modest addition, including a kitchenette, expanded bathroom, and private entrance.

Design decisions are informed by the specific situation. Who will occupy the suite? What level of independence is needed? Are there mobility limitations requiring accessibility features? Will the space eventually serve a different purpose — rental income, a home office, or guest quarters? These questions are addressed during the design consultation process before plans are drafted.

Accessibility planning is a practical consideration for many projects. Even when current occupants do not require accessibility features, building them in from the start — zero-step entries, wider doorways, blocking for future grab bars, accessible bathroom layouts — costs less than retrofitting later.

For attached suites, soundproofing between shared walls is also a relevant factor. Insulation selection, wall assembly design, and door specifications all affect how much sound transfers between spaces — something that tends to matter more than property owners initially expect.

Back Creek Builders sources materials from partners including Pella, Kohler, Ferguson Home, Sherwin-Williams, and James Hardie. An in-law suite is a permanent addition to a property, and their approach to construction reflects that — applying the same structural standards used in custom home builds.