ADU Builder in Temecula, CA | Woollard Construction
Temecula, CA — Est. 1990
ADU Builder & Design in Temecula, CA
Woollard Construction
Projects Built, Since 1990
Specializing in ADUs, room additions, loft additions and bathroom remodeling. Serving Temecula, Murrieta and surrounding areas.
Contractor’s License: B-842038
Our latest ADU projects in Temecula & Murrieta
Accessory Dwelling Units (ADUs) provide extra living space or rental income on the same property as an existing home. Woollard Construction is a local expert ADU contractor you can count on.
If you want to add extra living space to your home ADUs are a great option. Give us a call today. Woollard Construction has over 25 years of experience in development, new construction, and remodeling services in Temecula, Murrieta, and surrounding areas.
ADU Types
Woollard Construction specializes in the following ADU types:
- Attached ADUs
- Detached ADUs
- Junior ADUS (JADU)
- Garage Conversion
- Interior Addition
Download our ADU Guide
Why Temecula Homeowners Build ADUs
Property values in Temecula have climbed every year since 2019. Adding a permitted ADU raises your home’s appraised value and builds long term equity. Most Temecula homeowners build for one of four reasons.
- Rental income from $1,500 to $2,500 per month based on size and zip code
- Housing for adult children priced out of the local market
- Aging parents who want to stay close without sharing the main house
- Home offices or studios separate from the primary residence
Temecula sits in a strong rental market. Vacancy rates in 92591 and 92592 stay below the Riverside County average. A well built 800 square foot detached ADU in Wine Country or Meadowview rents fast.
Our ADU Build Process in Temecula
Every Woollard ADU follows the same six step process. You know what happens next at each stage.
- Free site visit and feasibility check at your property
- Design phase with architectural and structural drawings
- Permit submittal to the City of Temecula Building and Safety Division
- Site prep including grading, utility trenching, and foundation work
- Framing, mechanical, electrical, plumbing, drywall, and finish work
- Final inspection, certificate of occupancy, and walkthrough
You get a written schedule before construction starts. Spencer Woollard runs the project from start to finish. The same crew works your job from foundation to final paint.
ADU Pricing in Temecula
Pricing depends on size, finishes, site conditions, and utility connections. Use these ranges to plan your budget.
- Junior ADU (under 500 sq ft, attached): $90,000 to $160,000
- Garage conversion: $110,000 to $180,000
- Attached ADU (new construction): $180,000 to $280,000
- Detached ADU (up to 1,200 sq ft): $220,000 to $400,000
- Interior addition with ADU permit: $150,000 to $250,000
Site work raises costs. Hillside lots in Wine Country and Bear Creek often need engineered grading. Properties on septic in Santiago Estates need a system review before a second unit gets approved. Older homes with 100 amp service need a 200 amp upgrade like the Ward Murrieta project.
You get a detailed line item estimate before you sign anything.
Homeowner Use Cases
Case Study # 3
- Ward Murrieta ADU
- Built 3rd car garage conversion and addition on side of existing home for a total of 495 sq ft.
- Upgrade existing 1oo amp electrical main service to 200 amp for electrical requirements.
- No grading on this one, removal of existing patio.
- They sold their Temecula home and built the ADU on their family members home.
- They wanted to travel in an RV and have their own space when visiting family in town.
FAQ — Frequently Asked Questions
Temecula follows California state ADU law under Government Code Section 65852.2. Single-family lots in Temecula are allowed one ADU and one Junior ADU (JADU). Detached ADUs up to 1,200 square feet are permitted on most lots. Minimum setbacks are 4 feet from rear and side property lines. The City of Temecula Building and Safety Division handles ADU permits. Woollard Construction manages the full permit process for every ADU project.
ADU costs in Temecula typically range from $150,000 to $350,000 depending on size, type, and site conditions. A garage conversion costs less than a new detached ADU. Utility connections, grading, and permit fees are additional costs that vary by property. Woollard provides a detailed written estimate before any work begins.
Most Temecula ADU projects take 4 to 6 months from permit approval to final inspection. The permitting phase with the City of Temecula typically takes 6 to 10 weeks. Design and planning begin before permit submittal. Woollard keeps homeowners updated at every stage of the process.
Yes. All ADUs in Temecula require a building permit from the City of Temecula Building and Safety Division. The permit package includes architectural plans, structural drawings, and energy compliance documentation. Woollard Construction prepares and submits all permit documentation and follows through with the city until the permit is issued.
Yes. Temecula homeowners can rent out their ADU. California law prohibits cities from requiring owner-occupancy for rentals of ADUs that received permits after January 1, 2020. Rental income in Temecula ranges from $1,500 to $2,500 per month depending on size and location. Many Woollard clients build ADUs specifically to generate rental income.
Woollard builds detached backyard ADUs, attached ADUs, garage conversions, and Junior ADUs (JADUs). Each project is custom designed to fit the specific lot, the homeowner’s budget, and the intended use, whether that is a rental unit, a space for family members, or a home office.
ADU Considerations by Temecula Neighborhood
Lot conditions and rules change by neighborhood. Here is what we run into most.
- Wine Country 92592: Larger lots, common hillside grading, septic systems on many properties, fewer HOA restrictions
- Meadowview 92592: Established lots with mature trees, easy sewer connections, garage conversion friendly
- Santiago Estates 92592: Mid sized lots, sewer access, family neighborhood good for JADU rentals
- Morgan Hill 92592: Active HOA review process, newer construction, often requires architectural board approval
- Bear Creek 92562: Gated community with HOA design rules, larger custom homes, detached ADU friendly with approval
- Butterfield 92562: Standard lot sizes, sewer access, growing rental demand near schools
We pull lot records and HOA documents before design starts so the plan matches what the city and the HOA will approve.
Licensed and Insured ADU Contractor in Temecula
Woollard Construction holds California contractor’s license B-842038 in good standing since 1990. We carry general liability and workers compensation insurance. Every ADU we build meets the 2022 California Building Code, Title 24 energy standards, and Government Code Section 65852.2.
You get a written warranty on workmanship for one year after final inspection. Manufacturer warranties on materials pass through to you.
Spencer Woollard is the owner and runs every project on site.
ADU Resources for Temecula Homeowners
Planning an ADU in Temecula? These guides answer the most common questions homeowners ask before they build.
357
Happy homeowners and counting…
Top Reviews of Woollard Construction
Teri C, Temecula, CA
Spencer, I want you to know that I love my home – every inch of it. Thank you for everything you put into it.
Karen G, Temecula, CA
Everything went beautifully. There were no delays. We couldn’t be happier with the results. The bathroom is gorgeous, very well done! We will always recommend Woollard and will be using them again.
Christine M, Murrieta, CA
He collaborated with us when some of our concepts were a little out of the norm – putting a window in an interior wall? – and gave us the perfect idea for how to make it work. He and his crew were on time, on budget, and extremely professional. He was even able to schedule us in sooner than he thought! He made the process so painless we that we are no longer intimidated by remodeling projects. We are looking for more!