Can an ADU be bigger than your house?

• <div><p>Local regulations dictate how big an ADU can be, and there may also be restrictions on the percentage of the main residence’s square footage an ADU can have. In most cases, an ADU must be smaller than the main residence, but check with your local building authority to confirm restrictions on ADU size.</p></div>

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Q: Do constructions include permits?

• <div><p>Many providers assist with obtaining necessary permits. Confirm with your contractor.</p></div>

Q: Are green homes more affordable to build?

• <div><p>Green homes are often more expensive to build, averaging around $200 per square foot compared to the $150 per square foot you&rsquo;d spend to build a standard home. However, green homes can save you money on your utility bills by consuming less energy or creating energy using solar panels or wind turbines on-site. They&rsquo;re more expensive to build, but they often end up costing less in the long run. </p></div>

Q: Can I finance the cost to build a cottage, and what options are available?

• <div><p>Yes, you can finance cottage construction through several options. Construction loans provide funds in stages as work progresses, while home equity loans or lines of credit are available if you have existing property. Some lenders offer a combined construction and permanent mortgage. Always review loan terms and payment milestones before committing.</p></div>

Q: What is the easiest home layout to build?

• <div><p>Any straightforward rectangular home layout is more uncomplicated than custom rooms, additions, or stylistic features. In stock plans, single-story ranch homes, cape cods, and colonials are common. Layouts with a single roof ridge are easier to build than those with multiple dormers, chimneys, or ridges.</p></div>

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Verified Reviews for Home Building pros in Spring Valley, WI

*The Angi rating for Home Building companies in Spring Valley, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Home Building needs.

*The HomeAdvisor rating for Home Building companies in Spring Valley, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Home Building needs.

Last update on December 10, 2025

Reviewed in March 2023
Mad City did exactly what they said they would, when they said they would. Walk in shower in a day seemed a tall task. But that’s what they did. Good quality job that turned out beautifully. The walk in shower really improves the safety of our home. Thanks Job # 479546
Mad City Windows & Baths
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Reviewed in May 2022
Pro Care do an amazing and exceptional job at all the locations they do for me. I have also had him do work for me personally at my home as well. The attitude that every employee working at Pro Care displays is very professional and kind !!! Their work is efficient, and of superb quality. They...
Pro Care Property Maintenance
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Reviewed in December 2019
Wow! My carpets look amazing! Matt did a fantastic job, always got back to me in a timely fashion- great customer service- we will definitely be repeat customers for our home and our rentals. Thanks Matt!
Nelson's Carpet Care
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Reviewed in March 2015
I had 3 Contractors bid the Kitchen Rebuild Project. Mark, Owner of Nordic Builders was the last to bid but first to provide a schematic, blue print of his proposal for our kitchen. We tweaked it over the next couple weeks and proceeded with the build. The build went smoothly. Mark recommended...
Nordic Builders, Inc
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Reviewed in January 2014
Replaced and installed a large water heater and heat exchanger system that provides in-floor radient heating to our home. The direct replacement for the original equipment was not available in a timely enough manner, but they were able to replace it with an immediately available, larger, but...
Anderson Heating
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Reviewed in September 2013
They and Elvis had left the building, by the time the traps were set.
PROGRESSIVE PEST CONTROL
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Reviewed in March 2012
Very smooth process. Jeremy helped us with the building plan and was very easy to work with as we made some changes along the way.
Sylvester Construction and Remodeling LLC
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Reviewed in December 2007
Things went well from start to finish. Jon returned my call for an estimate ASAP. We set up a time for Jon to provide a written estimate. He had to change the time, but let me know well in advance. Once we agreed on price, we scheduled a date for Jon to begin. Jon showed up on the day agreed and...
COUNTER PRODUCTIONS
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Sentri Homes

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Sentri Homes

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551 local quotes requested

2 years of experience

Sentri Homes is a full-service contractor delivering high-end home additions, whole-home remodels, new custom builds, luxury kitchens, structural framing, roof replacements, and every major renovation. We assign a dedicated project manager to every job, deliver meticulous craftsmanship with clear communication, and back our work with an industry-leading warranty to ensure complete peace of mind on your largest investments. Our in-house team of licensed builders and master craftsmen consistently earns 5-star reviews by turning big visions into stunning, high-value homes—when you need one trusted partner who truly does it all, we’re the proven choice.

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Sentri Homes

Sentri Homes

Goodwin Construction

Goodwin Construction

LHS inc

LHS inc

Crotty Real Estate LLC

Crotty Real Estate LLC

ONSITE CONTRACTORS LLC

ONSITE CONTRACTORS LLC

Rock Creek Construction Services

Rock Creek Construction Services

Badgerland Contracting of West Wisconsin

Badgerland Contracting of West Wisconsin

Anderson Carpentry & Construction

Anderson Carpentry & Construction

Meier Hardwood Flooring

Meier Hardwood Flooring

McCormack Classic Construction LLC

McCormack Classic Construction LLC

The Spring Valley, WI homeowners’ guide to home building services

How Much Does It Cost to Add a Second Story to Your Home? [2025 Data]

How Much Does It Cost to Build a Green Home? [2025 Data]

How Much Does It Cost to Build a House Yourself? [2025 Data]

Prefab vs. Modular Homes: What’s the Difference?

Barndominium vs. Modular Home: Which Is Right for You?

Mobile Home vs. Tiny Home: Which Is Best for You?

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