ADU Builder in Reno, NV
ADU Builder Reno provides ADU design, construction, garage conversions, and remodeling for homeowners throughout Reno. Whether you're starting with a detached backyard build, an attached addition, or converting an existing garage, our team plans each project around your property and your goals. Reno is our home base, and we serve the surrounding northern Nevada region from here.
ADU Services in Reno
ADU Design & Planning
Site evaluation, floor plans, and layout planning tailored to your property and goals.
ADU Construction
Full-scope building from foundation to finishing, covering framing, roofing, plumbing, electrical, and HVAC.
Garage Conversion ADUs
Turning an existing garage into livable space, working within its current structure and condition.
Detached ADU Construction
Standalone backyard units built independently from the main home, with their own foundation and utility connections.
Attached ADU Construction
Additions connected to the primary residence, sharing a wall or structure while maintaining separate access.
ADU Remodeling & Renovation
Updating or modernizing an existing ADU — kitchens, bathrooms, flooring, and layout improvements.
Let's Start Your ADU Project in Reno
Let’s chat about your ideas! Getting started is easy – simply reach out with details about your ADU project!
ADU Construction in Reno — What Homeowners Should Know
Reno, Nevada sits in the Truckee Meadows valley at the eastern edge of the Sierra Nevada, with a mix of urban, suburban, and semi-rural residential neighborhoods spread across varied terrain. Lot sizes and property layouts differ considerably across the city, from compact lots near the urban core to larger parcels on the outskirts.
Reno experiences a high-desert climate with hot, dry summers, cold winters, and low annual precipitation, which construction crews account for when scheduling site work and selecting materials. Because Reno neighborhoods vary so widely in age, lot configuration, and existing structures, an individual site evaluation is an important early step in any ADU project.
Reno at a Glance
- Location: City in the Truckee Meadows valley at the eastern base of the Sierra Nevada, Nevada
- Climate: High-desert climate with hot summers, cold winters, and low precipitation
- Terrain: Varies widely across the city, from valley floor to foothill-adjacent neighborhoods
- Housing: Mix of single-family homes ranging from older, established neighborhoods to newer developments
- Community character: Diverse mix of urban, suburban, and semi-rural residential areas
Note: Only general, verifiable characteristics of the area are included above. Specific population or housing statistics are not stated unless independently verified.
Local Property Considerations
Before any ADU project begins, we look at:
- Lot configuration — how much usable space is available for a detached unit or addition, which varies significantly by neighborhood
- Backyard access — whether equipment and materials can reach the build site
- Existing structures — the condition of any current garage or outbuilding being converted
- Utility connections — proximity of water, sewer, and electrical service to the new unit
- Grading and drainage — how water moves across the lot, particularly on sloped or foothill-adjacent properties
- Privacy — placement relative to neighboring properties and the main home
- Placement — where an ADU can reasonably sit on the lot given setbacks and existing features
Why ADUs Can Be Useful in Reno
Homeowners across Reno consider ADUs for a range of practical reasons, including:
- Additional living space for a growing household
- Accommodations for aging parents or extended family
- A private space for guests
- A flexible room that can change use over time — office, gym, or living space
- Converting an existing garage into functional living area
- Updating or remodeling an older ADU already on the property
We don’t make claims about rental income or demand — those factors depend on individual circumstances and local market conditions.
How Much Does an ADU Cost in Reno?
ADU costs vary based on size, scope, and site conditions. The table below provides general cost ranges to help with early budgeting.
| ADU Project Type | Typical Cost Range | Factors Affecting Price |
|---|---|---|
| Garage conversion ADU | $60,000 – $120,000 | Existing garage condition, insulation, plumbing additions, electrical upgrades |
| Small detached ADU (under 500 sq ft) | $120,000 – $200,000 | Foundation type, utility runs, site access, finish level |
| One-bedroom detached ADU | $180,000 – $280,000 | Square footage, kitchen and bathroom scope, site grading |
| Larger detached ADU (2+ bedrooms) | $250,000 – $400,000+ | Size, design complexity, finish selections, foundation work |
| Attached ADU | $150,000 – $300,000 | Connection to existing home, shared systems, structural changes |
| ADU remodeling / renovation | $30,000 – $150,000 | Scope of updates, age of existing structure, systems being replaced |
Actual project costs depend on square footage, existing structures, site preparation, foundation requirements, utility connections, plumbing, electrical, HVAC, material selection, interior and exterior finishes, design complexity, and site access.
Factors That Affect ADU Cost in Reno
Several site-specific factors influence final pricing:
- Property size and layout — larger or irregular lots can affect placement and access
- Existing structures — condition of a garage or outbuilding being converted or removed
- Site access — how easily equipment and materials can reach the build area
- Terrain and grading — sloped or foothill-adjacent lots often require additional site work
- Drainage — managing water flow away from new construction
- Utility connections — distance from existing water, sewer, and electrical service, and condition of older utility lines in established neighborhoods
- Foundation type — slab, crawlspace, or other foundation approach
- Materials and finish level — from standard to higher-end selections
- Design complexity — custom layouts and features typically increase cost
Why Detailed ADU Estimates Matter
A general price range is a starting point, not a final number. Accurate estimates depend on precise measurements, a review of existing site conditions, the specific construction scope, material selections, utility requirements, and design details. Unexpected site conditions — such as poor soil, drainage issues, or aging utility lines — can also affect final cost, which is why an in-person assessment gives the most reliable figure.
ADU Rules in the City of Reno
Reno adopted its accessory dwelling unit ordinance in October 2025. According to the City of Reno’s ADU guide, the main rules for a property inside city limits are:
- Where they’re allowed. You may have an ADU anywhere single-family homes are allowed.
- One per property. Only one ADU is allowed per lot, and it can be attached to the house or in a detached structure.
- Lot size. The minimum lot size is 5,000 square feet.
- Height and scale. The ADU can’t be taller than the existing main home, and it has to stay subordinate to the main house in size, location and appearance.
- Attached ADUs. The front door of an attached ADU can’t be visible from the same street as the main home’s.
- Building code. The city’s Building and Safety Division reviews an ADU as a one- or two-family dwelling under the International Residential Code, depending on whether it’s attached or detached.
Outside Reno City Limits
Sparks and unincorporated Washoe County have their own ADU rules. Washoe County, for example, allows attached ADUs in most residential areas but requires an administrative review for detached ADUs on parcels of half an acre or less. Confirm which jurisdiction covers your address first.
How a Project Comes Together
- Free site visit to look at the lot, access, utilities and where an ADU could go.
- Zoning and rules check with the right jurisdiction.
- Design that fits the size and placement rules.
- A clear, written estimate.
- Permits, construction and inspections.
Need Help?
Frequently Asked Questions About ADUs in Reno
Below are some of the most common questions Our Network get from families about ADU. If you have any other questions contact us!
How much does it cost to build an ADU in Reno?
Costs typically range from around $60,000 for a garage conversion up to $380,000 or more for a larger detached unit. The final number depends on square footage, site conditions, foundation type, utility work, and finish level. A detailed, in-person estimate is the most reliable way to get an accurate figure for your specific property.
How long does it take to build an ADU?
Most ADU projects take roughly 4 to 9 months from the start of construction to completion, depending on size and complexity. Garage conversions tend to move faster, often in the 3 to 6 month range, since much of the structure already exists. Design, planning, and any required approvals happen before construction begins and add additional time to the overall timeline.
How large can an ADU be?
ADU sizes commonly range from around 400 square feet for a studio unit up to 1,000 square feet or more for a larger two-bedroom unit. The maximum allowable size for your property depends on lot size, zoning, and applicable local requirements, which vary by property and should be confirmed during the planning phase.
Is a garage conversion cheaper than building a detached ADU?
Generally, yes — garage conversions are usually less expensive because the foundation, framing, and roof structure already exist. A conversion typically runs $60,000 to $130,000, compared to $110,000 or more for a comparable new detached unit. The final cost still depends on the garage’s existing condition and how much structural, electrical, and plumbing work is needed.
What is the difference between an attached and detached ADU?
An attached ADU shares a wall or connects directly to the primary home, while a detached ADU is a fully separate structure, usually placed in the backyard. Attached units can be more cost-efficient to build since they can tap into existing utility lines more easily. Detached units offer more privacy and separation but typically involve extending utilities and require more site work.
Can an existing garage be converted into an ADU?
In many cases, yes, provided the existing structure is in good enough condition to support the conversion. Structural evaluation looks at the foundation slab, framing, roof condition, and ceiling height before a conversion plan is finalized. Insulation, flooring, plumbing, electrical, and HVAC are typically added since garages aren’t originally built as conditioned living space.
How much does ADU remodeling cost?
Remodeling an existing ADU typically runs $25,000 to $90,000, depending on the scope of work. A kitchen or bathroom update alone will cost less than a full renovation involving flooring, layout changes, cabinetry, and finishes throughout the unit. Older units that need electrical, plumbing, or HVAC upgrades in addition to cosmetic work will fall toward the higher end of that range.
What is the minimum lot size for an ADU in Reno?
The City of Reno’s ADU guide sets a minimum lot size of 5,000 square feet, with one ADU allowed per property.
Can an ADU in Reno be taller than my house?
No. Under Reno’s rules, an ADU can’t exceed the height of the existing primary residence and must stay subordinate to it in size, location and appearance.
Do the same ADU rules apply in Sparks and Washoe County?
No. Sparks and unincorporated Washoe County have their own ADU standards, so the rules depend on which jurisdiction your property is in.
Six free ADU cost calculators for Reno
Built on the 2026 figures published on this site, plus Washoe County’s design criteria and the current Nevada and Reno rules. Enter your lot, your elevation and your specification, and see a realistic range with every line broken out. No email, no sign-up.
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Get a Free ADU Estimate in Reno
If you’re a Reno homeowner considering an ADU, we’re ready to help — whether you need design and planning, new construction, a garage conversion, a detached or attached ADU, or a remodel of an existing unit. We offer a free consultation and a no-pressure estimate based on your property and goals.
Tell us a little about your project below, and we will follow up to set up your free estimate.