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Updated by aduspecialistbayarea on Apr 15, 2022
Headline for 10 Critical Planning Tips to Convert Your Garage into an ADU
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10 Critical Planning Tips to Convert Your Garage into an ADU

Garage conversion in Bay Area is a simple and hassle-free solution to expand your home and provide much-needed living space. Converting a garage into an apartment can help you expand your bathroom, kitchen, laundry room, or add a surplus bedroom to your home. ADU Specialist Bay Area helps you build your new living space no matter which priority you choose for your conversion.

It's high time to convert garage to ADU Bay Area for realizing your ADU aspirations. Besides, it's inevitable if the existing garage is collecting dust and you don't even have sufficient space for building a new unit.

1

Preparing Cost Estimates

Converting your garage is the most cost-effective way to construct an ADU. A 400SF garage transformation is usually within the budget, whereas a new 500SF stand-alone unit in other locations in Northern California may be beyond budget.

Garage conversions are more expensive. The reasons are here under:

  • You're paying for a large-scale infrastructure such as heating, plumbing, baths, and living rooms, and hallways.
  • You'll have to go through everything from scratch.
  • Permitting and design fees are fixed.
2

Estimating the Work Completion Time

You can complete garage conversions in as little as six to seven months. You may not have to do the arduous tasks like framing the ADU, pouring a foundation, or replacing the roof if your garage is in good shape. It saves a lot of time and overhead costs.

However, there are 3 crucial factors that impact your project timeline;

  • Condition of the existing garage
  • Confirmation of any unauthorized construction
  • Extension of the garage to the backyard
3

Dismantling the Garage and Start All Over

Keeping the garage is normally less expensive, although this isn't always the case. Even old garages often have recoverable foundations and structures that may be reinforced. You may be able to save money on inputs and labor because of this approach.

4

Redoing the foundation to convert it into a Granny Flat

Garages are constructed mainly on slabs. Building codes for garages and livable spaces differ. Sometimes, the garage slab isn't thick enough or isn't built of the standard cement material. Other times, it is possible that soils underneath a garage structure have degraded and are no longer capable of supporting the slab.

Another concrete layer will need to be laid on top of the garage slab if it is severely fragmented and damaged. A moisture barrier must be built between the slab and the ADU flooring.

5

The Impact of Property Taxes on ADU

Your main home's tax value is preserved when you install an ADU. The ADU's value is assessed after it is built, and its property tax is calculated based on the value and not the construction cost.
These two figures are added together to create a "combined assessment," which is the new property tax. You'll spend less money on a garage conversion than on a brand-new ADU. It's because the garage's structure was already in place when your main house was appraised. It will be assessed by the city authority.

6

The Separate Utilities for the ADU

You must select whether to connect the ADU's gas, water, and electric utilities to the main house's meters or install separate meters. The cost will vary depending on your utility supplier. However, separating the utilities will almost certainly be pricier.

Separate meters make it very simple for your tenant to settle their energy consumption if you want to rent out the ADU. If both the parent home and the ADU are to be rented in the future, prospective renters will be able to pay separate bills.

7

The ADU's Legal Standing

The basic premise behind validating your ADU in Bay Area is that whatever constructions have been done, these must be merged to code or returned to the original state if it is disallowed.

8

Inspecting the Property

From the inspector's standpoint, it may appear to be a routine inspection. The general contractor like us always ensures that the previous modifications are revealed to the inspector in an orderly fashion.

9

Bringing the Garage Conversion Up To Building Codes

You'll almost certainly need to improve your garage space. It's because building codes for utility projects differ.

· A moisture shield between the slab and the flooring
· Additional ceiling joists to support insulation and drywall
· Upgrades to the insulation, plumbing, heating, energy-efficient doors, windows, and electrical systems.
· Upgrades to external finishes if the garage is within the statutory jurisdiction from home and is not more than 5 feet from the property line.

10

Building Granny's Flat Above the Garage

Many homeowners aspire to have a pretty little granny flat perched over their garage to park their cars, or set up their workshop. It's a viable approach to get the most out of a property. However, you will have to invest a lot because;

  • You may have to build infrastructure.
  • You may have to add an extra support system (beams and wood layers).
  • You have to match the alignment between the ground and the 1st floor.
  • Building a new roof will be costlier.
  • Make provisions for earthquake building codes.