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ADU Construction in Redding, CA

Handling permits, inspections, and approvals with the City of Redding, HRC Construction delivers ADU construction in Redding, CA from site plan to move-in. Whether it is for family or rental income, we help design the unit without hiring an architect first.

Start My ADU Plan

What Is an Accessory Dwelling Unit?

An ADU is a second, self-contained home on your lot, built for owners who want housing for family or steady rental income.

It adds value to your property, gives a parent or adult child independence, and can offset your mortgage with monthly rent.

  • Detached backyard cottages up to the City of Redding's 1,000 square foot limit
  • Attached ADUs that share a wall with the main house
  • Garage conversions with insulation, plumbing, and a separate entrance
  • Junior ADUs of 500 square feet or less carved from existing bedrooms
  • Full kitchens, bathrooms, and HVAC sized for a separate household
Get a Free ADU Estimate

Common ADU Building Problems in Redding, CA

ADU projects in Redding, CA tend to stall on the same few obstacles. Knowing them up front saves months and keeps the budget intact.

Utility Connections and Panel Capacity

A new unit needs water, sewer, and power, and the trench back to the main house can run 50 to 150 feet. Older homes on 100-amp service often need a panel upgrade to carry a second kitchen and HVAC system.

We check the main panel, sewer lateral, and water line during the first site visit. That tells you early whether utilities will be a minor line item or a major one.

Setbacks, Easements, and Parking

City of Redding standards require a separate exterior entrance and one on-site parking space unless the lot is exempt. Utility easements and side setbacks also limit where a detached unit can sit.

We pull your parcel map and confirm placement before any design work. A unit that fits the lot on paper the first time avoids a redesign after plan check.

Summer Heat in a Small Footprint

A 600 square foot cottage with a big west-facing window can overheat fast on a 105-degree afternoon in Redding, CA. Small units have less mass to buffer heat, so insulation and shading matter even more than in the main house.

We orient windows, extend roof overhangs, and size a ductless mini-split for the space. Title 24 energy rules apply to new ADUs too, so those choices also keep the unit compliant.

Rental Rules and Short-Term Limits

Owners who plan to rent need to know the local rules before they build. The City of Redding requires ADU rentals to run longer than 30 days, and short-term rentals are not allowed.

That makes an ADU a long-term rental or family unit, not a vacation rental. We help you plan the layout, storage, and laundry that long-term tenants look for.

Ask About Your Lot

Working With Our ADU Builders, Step by Step

1

Check Your Lot

We confirm setbacks, utilities, parking, and whether a detached, attached, or garage conversion fits best. You get a realistic cost range at the free consultation.

2

Pick a Plan

We help you design the unit or adapt a pre-approved City of Redding plan when one fits your lot. A pre-approved plan can shorten review and cut design costs.

3

Permit and Build

State law requires most ADU permits to be approved or denied within 60 days of a complete application. Once approved, we build the foundation, framing, and systems with inspections at each stage.

4

Final Inspection Sign-Off

We schedule the final inspection and walk the unit with you room by room. Then it is ready for a family member or tenant to move in.

Book an ADU Consultation
WHY CHOOSE HRC

Why Choose Us for an ADU Build in Redding, CA

An ADU is a full home in miniature, with every system a house has packed into a few hundred square feet. Owners in Anderson, Shasta Lake, Cottonwood, Red Bluff, and Redding, CA hire us for plain pricing and one contractor from plan to final.

Licensed Builder, #1110953

HRC Construction holds California general contractor License #1110953, covering the foundation, framing, plumbing, and electrical on your unit.

65+ Combined Years on Site

Our team brings more than 65 years of combined experience to small builds where every inch of layout counts.

Design Help for Your ADU

We help you plan the unit without hiring an architect first, whether you start from scratch or from a pre-approved plan.

Call (530) 605-1770
FAQ

Frequently Asked Questions

How much does it cost to build an ADU in Redding, CA?

Most detached ADUs in Redding, CA run $250 to $375 per square foot, so a 600 square foot unit typically costs $150,000 to $225,000. Garage conversions usually cost less, often $60,000 to $120,000, since the slab, walls, and roof are already in place. Local permit fees commonly run $3,500 to $12,000, depending on size and valuation. Under state law, ADUs under 750 square feet are exempt from impact fees. Call us for a free estimate based on your lot.

How long does it take to build an ADU?

Most ADUs take 8 to 14 months from the first meeting to move-in. Design usually takes 1 to 3 months, and plan review takes about 8 weeks. State law caps approval at 60 days once your application is complete. Construction then runs 5 to 8 months for a detached unit and 3 to 5 months for most garage conversions. A pre-approved City of Redding plan can skip most of the custom design phase.

Can I rent my ADU as a short-term vacation rental?

Not inside the City of Redding. The city requires ADU rentals to run longer than 30 days and prohibits short-term rentals. Long-term rentals are allowed, and so is housing a family member at no rent. Shasta County, Anderson, and Shasta Lake each set their own rules, so we confirm the local ordinance before you build. If rental income is the goal, ask us about layouts that appeal to long-term tenants.

What size ADU can I build on my property?

Inside the City of Redding, a detached or attached ADU can be up to 1,000 square feet, and a junior ADU up to 500 square feet. In unincorporated Shasta County, ADUs can reach 1,200 square feet, with attached units also limited by the size of the main house. Your setbacks, easements, and septic or sewer capacity often set the practical limit before the code does. We check all three at the first site visit.

Will an ADU raise my property taxes?

Yes, but only for the value the ADU adds. The county assessor adds the new unit to your existing assessed value, and your main home keeps its current base. California's base property tax rate is 1%, so a $180,000 ADU typically adds around $1,800 a year before local assessments. We can give you a construction value early so you can estimate the tax before you build.

Ready to Add a Rental or In-Law Unit?

Your first consultation is free, and we will tell you which ADU type fits your lot and budget. Call HRC Construction to get your plans moving before spring.

Call to Plan Your ADU(530) 605-1770