Carpenter

General Contractor in Carlsbad, CA

Name: A & H Sullivan Construction
Address: 12275 Carmel Vista, San Diego, CA, 92130, US
Telephone: (619) 837-5542
Price range: $$
Rating: 4.8

5 specialized services available

We handle home additions, ADU construction, patio cover installation, and shed building for homes across Carlsbad, Del Mar, La Jolla, Poway, Encinitas, and surrounding areas. Our work includes framing, structural carpentry, and custom construction tailored to your needs. We work directly with homeowners to build exactly what you envision.

Call (619) 837-5542

Newly constructed home addition with framing and exterior finish

General Contractor

Serving Carlsbad, CA and the Florida Panhandle

5+ Years Local

Free Estimates

5-Year Warranty

Services

General Contractor Services in Carlsbad, CA

A newly completed single-story room addition attached to a Carlsbad single-family home, showing matched exterior stucco finish and a new window line that aligns with the original structure. The addition extends the rear of the home toward a landscaped backyard typical of a North San Diego County residential neighborhood.

Home Additions

A & H Sullivan Construction builds custom home additions for Carlsbad homeowners who need more space.

Added square footage increases your Carlsbad home's resale value in a high-demand market
New living space is designed to match your home's existing structure and exterior style
A dedicated general contractor manages all trades, keeping the project organized and on budget

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A newly completed detached ADU in a Carlsbad residential backyard, showing a single-story structure with a finished exterior, separate entrance, and landscaped separation from the primary home. The build reflects Southern California coastal residential construction standards.

ADU Construction

A & H Sullivan Construction builds custom ADUs for Carlsbad homeowners who want more livable space on their property.

Adds a fully independent living unit to your existing Carlsbad property without purchasing new land
Rental income potential supported by Carlsbad's strong coastal housing demand
Multigenerational housing option that keeps family close while maintaining separate living space

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A newly installed solid patio cover attached to the rear of a single-story Carlsbad home, providing full shade over a concrete patio on a sunny afternoon. The cover's clean roofline aligns with the home's exterior trim against a clear coastal sky.

Patio Cover Installation

A & H Sullivan Construction installs custom patio covers for Carlsbad homeowners who want durable, weather-ready outdoor shade.

Blocks Carlsbad's intense afternoon sun, keeping your patio surface and furniture cooler
Resists coastal salt air and moisture without warping, cracking, or fading over time
Adds usable square footage to your home without a full room addition

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A newly built custom wood-framed storage shed in a Carlsbad residential backyard, with a pitched roof and double doors open to show an organized interior. The structure sits on a concrete foundation with a wood privacy fence and mature landscaping visible in the background.

Shed Construction

A & H Sullivan Construction builds custom sheds for Carlsbad homeowners who need durable, code-compliant backyard storage.

Built to withstand Carlsbad's coastal salt air and seasonal humidity
Frees up garage and interior space for everyday use
Constructed to meet Carlsbad municipal code and California Building Standards

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Framing

A & H Sullivan Construction provides structural framing services for homes and additions throughout Carlsbad.

Walls and roof systems framed to carry load correctly from day one
Structural work built to California residential code and Carlsbad building requirements
Framing approach accounts for coastal wind exposure common in western Carlsbad

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We Serve

Why Choose Us

What sets us apart for General Contractor

Precision Woodworking

Excellent Customer Service

Custom Exterior Carpentry Expert

Fully Licensed Contractor

Ready to get started?

Seen the work. Ready to talk about your project?

Call (619) 837-5542

FAQ

Common Questions About General Contractor in Carlsbad, CA

Straight answers to the questions homeowners ask before hiring a local contractor.

Do you build ADUs in Carlsbad and Del Mar?

Yes, we build accessory dwelling units for properties throughout Carlsbad, Del Mar, and surrounding areas.

Can you add a room to my existing home?

We design and build home additions. We work with you to plan the addition that fits your home.

Do you install patio covers?

Yes, we install custom patio covers. We design covers to match your home and provide shade.

Can you build a shed or storage structure?

We build custom sheds and storage structures. Each is built to your specifications and site conditions.

Still have questions?

Call us directly. Real answers, no scripts.

Call (619) 837-5542

Client Reviews

What San Diego County homeowners say.

4.8

4 Google reviews

Worked with us?

Leave a Review

These guys are great! I needed an emergency paint job on my fence that I share with my neighbors. They fit me in, thankfully and had it done in no time at a very fair price. I highly recommend Henry and staff.

I have done so much work over the years on my house and it can be such a hassle but Henry is so easy and professional to work with so now he’s the only guy I call for the job. Easy going guy, great at what he does and can build absolutely anything! He built us our deck, redid our fence and even built us a pergola. Can’t recommend enough.

Change my garage shutter from there ..really good service

Find Us

Proudly Based in San Diego, CA

Stop by, call, or book online — we're always nearby when you need us.

Phone

(619) 837-5542

Hours

Monday 7:00 AM - 5:00 PM
Tuesday 7:00 AM - 5:00 PM
Wednesday 7:00 AM - 5:00 PM
Thursday 7:00 AM - 5:00 PM
Friday 7:00 AM - 5:00 PM
Saturday Closed
Sunday Closed