General Contractor | Temecula, CA
Home Additions in Temecula, CA
More Room Without Moving
On time, on quote, and your home left cleaner than we found it.
When the family grows and the house does not, moving is the expensive option. An addition gives you the room, whether that is a bedroom suite, a bigger kitchen or a home office, without leaving the neighborhood. BMO Build Co. builds additions that match your existing home, with a free in-home estimate and no trip charge.
How much does a 20x20 master suite addition cost in Temecula?
In 2026, professional additions in Riverside County typically range from $100,000 to $200,000. While costs vary by complexity, a custom suite with a walk-in closet and primary bath is a common way to add home resale value.
Is it cheaper to add on or build up in Temecula?
While building out requires a new foundation, building up can sometimes save on foundational costs but requires significant structural reinforcement of the existing walls.
Do I need a permit for a room addition in Riverside County?
Permits are required for all structural, electrical, and plumbing changes. BMO Build Co. handles the entire 6–8 month permitting and inspection process for you to ensure code compliance.
Master Suite Additions
Expand your home with a luxurious master bedroom and bath.
Second-Story Additions
Build up when you can't build out, adding significant square footage.
Kitchen Expansions
Push out your exterior walls to create the kitchen of your dreams.
Frequently Asked Questions
Professional Home Additions in Temecula & Surrounding Cities
Whether you need extra space for a growing family or an independent living unit, we understand the distinct requirements of our local communities. We expertly navigate the specific lot requirements and setbacks in Menifee, while seamlessly managing the zoning nuances for larger properties in Wildomar or Hemet. Our goal is to ensure your new addition blends in with your existing home and the character of your neighborhood.
- Temecula, CA
- Murrieta, CA
- Menifee, CA
- Wildomar, CA
- Hemet, CA
- French Valley, CA
What Temecula Homeowners Say
"Great company. I’ve had nothing but great experiences with them. Brad has amazing customer service and gets every job done smooth and on time."
"Great experience with BMO Build Co! The team was professional, reliable, and easy to work with. They paid close attention to detail, communicated clearly throughout the project, and completed the work with excellent quality. Highly recommended for anyone looking for dependable and professional construction services."
"...He and his partner came over right on the appointment time, they helped us to removed a very unsafe (falling) fixture down within 30 minutes. I truly appreciated their service and would highly recommend this company!"
Get Your Free In-Home Estimate
Tell us about your project. We reply within an hour during business hours (Mon-Fri, 7am-5pm), and there is no trip charge.