Room Additions in Calabasas - ESV Prime Construction
Calabasas/Room Additions

Room Additions in Calabasas, CA

Add valuable space to your home with expertly designed and constructed room additions that seamlessly blend with your existing structure. Serving Calabasas and surrounding Los Angeles communities with licensed, bonded, and insured contractors.

500+
Projects Completed
20+
Years Experience
5.0
Star Rating

Room Additions Cost in Calabasas

Transparent pricing for Calabasas homeowners. Get a detailed quote for your specific project.

Basic

$50K - $100K

Small addition (100-200 sq ft), basic finishes

MOST POPULAR

Standard

$100K - $200K

Medium addition (200-400 sq ft), standard finishes, plumbing

Premium

$200K - $400K

Large addition (400-600+ sq ft), high-end finishes, multiple rooms

*Prices are estimates based on typical Calabasas projects. Actual costs depend on scope, materials, and site conditions. Get a free personalized quote.

Room Additions FAQs for Calabasas

Common questions from Calabasas homeowners about room additions

Room Additions Timeline

Typical project: 3-6 months

1

Design Consultation

Discuss needs, evaluate existing structure, develop concept

2-3 weeks
2

Architectural Plans

Create detailed plans, structural engineering, permit documents

4-6 weeks
3

Permits

Submit to city, address plan check comments, receive approval

4-12 weeks
4

Foundation

Excavate, form, and pour new foundation, integrate with existing

2-3 weeks

Factors That Affect Timeline

  • Permit approval process
  • Foundation type required
  • Roof integration complexity
  • Matching existing finishes
  • HVAC expansion needs

Room Additions Experts in Calabasas

Calabasas luxury estates demand our experience with high-end amenities and custom home construction.

Calabasas Home Styles

Mediterranean estates, Tuscan villas, Contemporary mansions, Spanish Colonial

Common Calabasas Issues

HOA design guidelines; fire zone construction requirements; septic systems in some areas

Calabasas Permits

City of Calabasas has architectural review. Processing typically 6-10 weeks.

Calabasas Home Ages

Primarily 1980s-2010s construction; many gated community developments

Areas We Serve

Hidden Hills, Mulholland Park, Monte Nido, Las Virgenes

Projects Near

The Commons at Calabasas, Malibu Creek State Park, Leonis Adobe

California Code Requirements

What Calabasas homeowners need to know about building codes

  • Structural engineering required for foundation and framing connections
  • Energy compliance (Title 24) for new space
  • Setback requirements must be maintained
  • Lot coverage limits may restrict addition size
  • Fire-rated construction required near property lines

What's Included

Comprehensive room additions services for Calabasas homeowners.

Bedroom and bathroom additions

Sunroom construction

Home office expansions

Second story additions

Garage conversions

Seamless architectural integration

Why Choose ESV for Room Additions in Calabasas?

Seamless integration with existing home architecture
In-house design and engineering coordination
Detailed project scheduling
Licensed, bonded, and insured (CSLB #1065151)
2-year workmanship warranty

Room Additions in Nearby Areas

We provide room additions throughout Los Angeles County

Ready to Start Your Room Additions Project in Calabasas?

Get a free, no-obligation quote from Calabasas's trusted room additions experts. Licensed, bonded, insured with a 5.0★ rating.