ADU Units for Sale in Washington and Oregon

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Sep 2, 2025 at 10:21 AM

ADU builders

If the space is non-habitable, and is under 200 sq ft, then sometimes you do not need a permit. But, in the case of building habitable living space, you’re always required to obtain a building permit. Building ADUs on-site also lets us be more flexible with design and customization.

ADU Builders in Washington and Oregon.

Working with our team allows you to relax, knowing the final design will meet your vision, site-specific requirements, and local regulations. Whether building a full-fledged ADU with a functional kitchen and bath or a simple backyard getaway, Georgia ADU Builder offers full start-to-finish design-build solutions. Our custom-built ADUs are more affordable than factory-built or prefab options, especially when considering planning, permitting, site work, and construction. In addition to researching local builders, check online reviews and testimonials from previous clients.

The cost depends on factors like site conditions, ADU type, size, style, and materials. To give you the most accurate estimate, we offer a free property analysis to provide the most detailed quote based on your needs. With our all-in-one service, we handle everything from design and permits to construction and inspections, with a dedicated project manager guiding you every step of the way. Contact us for a free consultation and get a detailed quote tailored to your needs. Not to mention, these structures are also affordable and offer more living space outside of the primary residence.

ADU Builders Sacramento, CA

Whether it’s ADU construction, kitchen remodels, or any home improvement service, we’re the trusted general contractor in Denver you can count on for expert craftsmanship and reliability. How much value an ADU adds to your property depends on the same factors as those that determine how much the project will cost. An ADU that’s spacious, located in a sought-after location, and well-designed will add much more value than a small, basic ADU in an area where rental properties are not in high demand. From our initial consultation to handing over your keys, we will be with you through it all. Our 7 step ADU Process and Five-Star Performance Checklist, ensure a smooth construction process and a qualify finished product, every time.

Ask any questions regarding the process that may concern you and let the house builder to help you. The builder is experienced in selling homes and can provide you valuable ideas that you may not have known before. To avoid wasting your time and budget, it is better to hire contractors with professional legal staff, such as the ones at A+.

Is Condoization the Future of Your Property?

This option is perfect for homeowners who want to keep a close connection with whoever lives in the unit but still want separate living quarters. We’ve compiled our years of experience building prefab structures into The Ultimate Guide to ADUs in California. In this guide, you’ll learn everything you need to know about the ADU process – from planning & permitting to designing & construction. Garage – Sometimes, living space isn’t necessary and you just need more room for your stuff. We can design and build a detached 1-car, 2-car, or hybrid structure on your property. A practical solution that utilizes existing structures to create additional living space without new construction.

Thousands of Customers Can’t be Wrong!

San Diego also offers a 30-day expedited review for projects using pre-approved standard plans, which can shorten the overall schedule. Detached backyard cottages usually run closer to 12 months door-to-door, while garage conversions and interior ADUs may finish faster. Complex sites, service upgrades, or coastal permits can extend the process, so planning with complete intake documents and early utility coordination is key (San Diego Housing Commission). Accessory Dwelling Units (ADUs) are becoming a popular choice for homeowners in Washington. They offer a flexible solution for extra space, whether for family, guests, or rental income. In this guide, we’ll look at why ADUs are a great option and how to choose the right builder for your project.

The Essential approaches to Finding the Right ADU Builder for Your ADU or Prefab Home

The price per square foot provided is an average and may vary depending on project-specific details such as materials, location, complexity, and other factors. From increased living space to enhanced property value, hear from homeowners about the multitude of benefits ADUs have brought to their homes and lives. Also known as a garage conversion ADU, created by converting an existing garage into a separate living space. Our full-service process handles every detail of your build, from design and permits to move-in day.

UP Craftsmen ADU Builder: The Best Choice for Your Next Project

  • An illegal apartment is a synonym for an unpermitted ADU, or an informal ADU.
  • If you’re looking to build an ADU on your Seattle property then the process starts and ends with us.
  • For those in Colorado, Little Home Builders provides full-service project management from start to finish, simplifying the path to owning your own ADU.
  • We can match your existing home style or create something unique and inspirational.
  • Brittivia Homes & Construction specializes in creating beautifully designed, functional ADUs tailored to your needs.
  • With more than three decades of industry experience, we have built a solid reputation for providing top-notch services, quality craftsmanship and transparent pricing.
  • We handle the complexities of code updates and efficient floorplans, ensuring your project not only meets but exceeds expectations.

As a result, many ADU-related questions are coming up for the first time during the permitting process, often involving the city or homeowner associations (HOAs). Depending on existing conditions, finish selections, and structural requirements cost for building an ADU can range widely. Full construction including design, surveys, foundation, utilities, and more are necessary.

The Benefits of Building an ADU in Northern California

With several projects completed each season, our company has gained the trust of loyal customers and the respect of the competitors. Outstanding ADU building services are something we can be especially proud of. Denver has many great homes that are capable of building an accessory dwelling units or more. However, another consideration for residential construction is whether or not custom prefab adus the home is in a Historic Landmark Protected Neighborhood.

ADU builders

Cost and ROI of Building an ADU in Los Angeles

A Shell ADU provides a solid, weather-tight structure with essential utilities, and comes ready for you to finish the interior your way. Enjoy the perfect blend of expert construction and DIY flexibility with Florida Made Tiny Homes. Whether you’re looking for a generous guest suite or a comfortable living space, our medium Summit Series hits the sweet spot of size and sophistication. Our goal is to make the design-build process as transparent as possible. We understand that you want to feel confident moving forward with a company that you’ll trust with your pool house. At Payne & Tompkins, your experience is the pinnacle of our process.

Traditionally Built to Code

The duration of a project can vary widely depending on its specifics. Factors such as the project’s complexity, scope, and the resources required will all influence the timeline. This recently completed ADU project is a 510 square foot standalone structure in Sacramento, California. This structure is 15′ x 34′ and features 1 bedroom, 1 bath, and full kitchen. Man cave/she shed – Set up a relaxation destination separate from your house that reflects your fun side. Perfect for entertaining friends and family without disturbing the main home.

Building a single-family home with Florida Made Tiny Homes means combining comfort, functionality, and style to create the ideal living space for your lifestyle. Perfect for first-time home buyers or those looking to downsize with expert craftsmanship. At Florida Made Tiny Homes, we help you build the perfect ADU for your needs, whether it be for aging parents or rental income, with an easy, streamlined process from start to finish. Our team includes in-house designers and architects who will collaborate with you to create a custom ADU design tailored to your space and needs. By handling everything from design to construction, we ensure a seamless process that aligns with your vision.

What is an Accessory Dwelling Unit

The average ADU is around 620 square feet, heated and cooled, with high-quality finishes. The typical design and planning process takes roughly 3-5+ weeks, depending on your municipality, weather, and holidays. We can match your existing home style or create something unique and inspirational. Come discover the UP Craftsmen difference of “Better by Design” customer service, construction process and quality project completion. From initial free quote, all the way through to final inspection, you will see why our teams of craftsmen work to deliver on-time quality free standing structures on your property. Our designs are versatile and can be customized to fit your specific needs.

For those wanting even more room, our 1197 sqft is a fantastic choice! Three bedrooms and two bathrooms provide enough room for growing families or those who love to entertain. Yes, all our units include ductless mini splits for energy-efficient heating and cooling. Whatever your site looks like, we can offer guidance to help you build the home that best fits your needs. Our specialty is using upcycled shipping containers to build durable ADUs.

Additionally, she shows appreciation for Shelter Solution’s attention to detail, authentic and approachable team, and collaborative nature throughout the entire project. In Colorado, Accessory Dwelling Units (ADUs) are a welcomed addition to housing options. Contact us today to discuss your specific ADU project and timeline.

ADU builders

  • Also equipped with a full kitchen, bathroom, and a spacious layout that maximizes space utilization, our tiny homes are ideal for singles, couples, and those seeking rental opportunities.
  • They respect your opinion and have creative, affordable solutions to problems.
  • In Colorado, accessory dwelling units (ADUs) can typically be placed in residential zones on the same property as a primary residence.
  • We do all of this right in your own backyard, minimizing disruption to your daily life.
  • An Extended Family Residence functions like an ADU for additional living space for family members to occupy.

We’ll start making your life easier from the very first phone call. RG ProBuilders handles everything from permits and logistics to construction and utilities. Building an ADU or Garage conversion can increase your property value by $100,000+ and generate $10,000-$50,000 in rental income per year, depending on location.

Once the plan is permitted, you can be confident it was designed to Colorado’s efficiency standards and to withstand Colorado weather. When planning secondary housing units on your property, two options include adding an ADU (Accessory Dwelling Unit) or EFR (Extended Family Residence). While these structures end up similar, there are key legal and zoning differences in Tampa between ADUs and EFRs that impact overall project processes. A detached ADU, sometimes referred to as a backyard ADU, is a completely separate structure from your main house. Built as a standalone unit, it offers total independence with its own kitchen, bathroom, and living area.

Explore some of our favorite ADU floor plans or create one from scratch with your design team. Whether you are looking for a space for family, a rental unit for additional income, or a personal retreat, Georgia ADU Builder can create a solution that meets your needs and fits your budget. When you choose Brittivia Homes & Construction, you’re not just hiring a contractor—you’re partnering with a team that genuinely cares about your project’s success. From the initial consultation to the final walkthrough, we’re with you every step of the way. Our commitment to communication, transparency, and quality ensures a stress-free construction experience. Brittivia Homes & Construction specializes in creating beautifully designed, functional ADUs tailored to your needs.

How can I get started with my project?

Accessory Dwelling Units in Denver offer a great utility for homes as they can become nearly anything a family needs. Accessory Dwelling Units or ADUs have seen a large rise in popularity here in Denver. Entire neighborhoods have even pushed for city officials to rezone their properties in order to allow construction.

ADU builders

It’s about making the most of your property without taking on an overwhelming project. With clear planning and some smart choices, you can benefit from valuable extra space that works for you on many levels. There are times where a traditional wood-framed ADU is a better fit for your site. If access to your backyard is limited and we can’t squeeze in a fully-finished container home, then we would recommend one of our site-built wood-framed ADUs. We also suggest wood-framed ADUs for folks who are looking for more flexibility in home layout and size.

Register for the nextADU Open House

  • Please fill out the form below and we will be in touch to answer your questions and provide a complimentary consultation.
  • They should be well aware of the actual versions of the local codes, permit regulations, and other legal issues to ensure a safe and secure project from the very start of works.
  • ADUs can even be used for entertainment like pool houses, man-caves, home theaters, or even game rooms.
  • Specifications, plans, renders, and designs are subject to change without prior notice.
  • Our expertise as an ADU contractor allows us to design and construct custom ADUs that perfectly match your property, offering both functional and stylish living spaces.
  • Our specialty is using upcycled shipping containers to build durable ADUs.
  • Working with a dedicated ADU contractor means you’re saving time and money.

This makes us your comprehensive solution for all ADU-related needs, providing you with a single point of contact. High quality and affordability are not mutually exclusive at Florida Made Tiny Homes. We take pride in using only the finest materials, and we offer affordable pricing without hidden fees.

Discover our custom ADU models from 365 SQFT to 1200 SQFT

KBS designs and manufactures modular structures with a commitment to residential housing, net-zero designs, commercial, and mixed-use buildings. KBS works hand-in-hand with developers, general contractors, architects, and builders to customize and produce the exact type of modular structure they are seeking. The Company’s main office and factory are located in South Paris, Maine, while a second factory is located a short distance away in Oxford, Maine. The charming Saco Bay cottage exudes curb appeal with its welcoming covered front porch. Although the home is cozy, the combined dining and living room creates the illusion of a larger space. A sunroom offers additional entertainment space — a garden retreat, gaming room, or use it for a formal dining space.

Custom ADU Calculator

While the most common placement is in the backyard, ADUs can also be located in the side yard or even in front of the main house, as long as setbacks, local regulations, and easements are met. Additionally, tiny homes have the flexibility to be built on their own lots as standalone houses, offering a completely independent living solution. Find out how easy it is to affordably add additional living space to your property with an accessory dwelling unit (ADU) in Sacramento. Since 2009, we’ve helped homeowners throughout the Sacramento region upgrade their property’s comfort level, usable space, and resale value with premium quality backyard structures. Our ADU construction services offer a cost-effective solution for additional living space.

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