Trusted General Contractor in Ventura County
H&A My Design is a licensed, family-owned general contractor in Ventura County, with a completed ADU in Thousand Oaks and more than 20 years of design-build work, handling design, permits and construction under one contract. Serving Ventura County and the surrounding areas.
Licensed & bonded California general contractor — CSLB #999603. Showroom at 6723 Variel Avenue, Canoga Park.
Building Across Ventura County
Ventura County runs from the suburban Conejo and Simi valleys in the east to farmland and the coast in the west. Its cities include Thousand Oaks, Simi Valley, Moorpark, Camarillo, Oxnard, Ventura and Ojai, with unincorporated communities such as Oak Park and Lake Sherwood in between.
Where We Work Most
We are closest to the east county, where most of our Ventura County work is: Thousand Oaks, Westlake, Simi Valley, Moorpark and Oak Park. For addresses further west, contact us and we will confirm availability.
- Detached ADUs and guest units
- Kitchen and whole-home remodels
- Single-storey and second-story additions
- Outdoor living and covered patios
- Exterior refreshes within HOA guidelines
Suburbs, Hills And Coast
Planned communities bring association review, hillside edges bring fire hazard zones, and coastal areas near Oxnard and Ventura bring coastal rules.
HOA Communities
Exterior changes usually need association approval before permits, and we prepare those submissions first.
Fire-Safe Design
In fire hazard areas, ignition-resistant materials and ember-resistant vents are designed in from the start.
Our Services In Ventura County
Every service below is designed, permitted and built by the same licensed team.
ADUs
Detached units, attached builds and garage conversions, designed around what your lot allows.
Home Additions
Room, second-story and master suite additions that sit naturally with the existing house.
Major Remodeling
Kitchens, bathrooms and whole-home renovations, with structure and systems handled properly.
New Construction
Ground-up custom homes, from the first lot survey to final sign-off.
Structural Remodeling
Bearing walls, beams and ceiling raises, engineered and permitted.
Permits Across Ventura County
Each Ventura County city has its own building department, and unincorporated areas are permitted by the County of Ventura’s building and safety division. Near the shore, the California Coastal Commission framework can also apply.
Knowing Which Office Reviews Your Plans
Community names and city limits do not always line up, particularly around Thousand Oaks, Westlake and Newbury Park, so we confirm the jurisdiction at discovery.
- City building departments
- County of Ventura for unincorporated areas
- HOA review where it applies
- Oak tree and fire hazard requirements
- Coastal rules near the shore
ADUs In Ventura County
State ADU law sets the baseline, and each city and the county apply their own standards on top. As your general contractor in Ventura County we confirm what your lot allows during discovery.
How A Project Runs In Ventura County
The same six stages on every job, adjusted to the local permit route.
Discovery
Site visit, lot survey, zoning and setback check.
Architecture
3D design, floor plans and finish direction.
Engineering
Structural drawings and Title 24 energy packet.
Selections
Permit expediting while you choose finishes.
Construction
In-house crews, inspected at every milestone.
Completion
Final sign-off, punch list and key handover.
Our Projects In And Near Ventura County
A completed ADU in Thousand Oaks, plus nearby work in Agoura Hills.
Why Homeowners In Ventura County Choose Us
What you get when H&A My Design is your general contractor in Ventura County.
One contract, one team
Design, engineering, permits and construction handled together, with one point of contact.
Licensed and bonded
California general contractor, CSLB #999603, fully bonded and insured.
In-house trades
Framing, MEP trades and custom carpentry by our own crews, inspected at every milestone.
Proven in Ventura County
A completed ADU in Thousand Oaks, documented in a full photo gallery.
A showroom to decide in
Cabinetry, stone, tile and fixtures chosen in person at our Canoga Park showroom.
Ventura County Communities We Serve
As a general contractor in Ventura County we focus on the east county and confirm availability for addresses further west.
East County
Our dedicated pages cover Thousand Oaks, Simi Valley and Westlake Village. We also work in:
- Newbury Park and Dos Vientos
- Moorpark
- Oak Park
- Lake Sherwood
- Camarillo, by arrangement
Nearby Service Areas
Across the county line we build in Agoura Hills, Calabasas and the San Fernando Valley. Every area is on our service areas page.
Planning A Ventura County Project
In Ventura County, the first step is the same wherever you are: confirm which office, association and special rules apply to your address.
Rules Before Drawings
City or county, HOA or not, oak trees or open space nearby: each changes what can be built and how long approval takes. We map them at discovery so design starts from the right assumptions.
ADU Or Addition
Many east-county lots can take either. An ADU adds independent space and possible rental income; an addition enlarges the main house. We compare both on your lot with real numbers.
Selections Early
Finishes are chosen at our showroom while approvals are in progress, so construction starts with every decision made.
Start Your Ventura County Project
Book a site visit and we will walk your property, confirm the jurisdiction and explain how we would work as your general contractor in Ventura County.
General Contractor In Ventura County: Common Questions
Which parts of Ventura County do you cover?
We work most in the east county, including Thousand Oaks, Westlake, Newbury Park, Simi Valley, Moorpark and Oak Park. For addresses further west, contact us and we will confirm availability.
Who issues building permits in Ventura County?
Each city has its own building department, and unincorporated areas are permitted by the County of Ventura. We confirm which applies at discovery.
Have you built in Ventura County before?
Yes. Our completed Thousand Oaks ADU is in our project gallery with a full set of photographs.
Can I build an ADU in Ventura County?
Many lots can. State law sets the baseline, and your city or the county applies its own standards. We check lot size, setbacks, utilities and any HOA guidelines during discovery.
How long does a project take?
Permit review typically takes around six to fourteen weeks. Garage-conversion ADUs typically take three to five months to build, and detached ADUs or major additions five to eight months.
Why hire a design-build general contractor in Ventura County?
A design-build general contractor in Ventura County coordinates city or county permits, HOA review and construction under one contract, with one point of contact.
Do oak tree rules affect projects?
In some cities, such as Thousand Oaks, work near protected oaks can need a permit and an arborist’s input. We check for it during discovery.
Where is your showroom?
Our showroom and headquarters are at 6723 Variel Avenue, Canoga Park, CA 91303. Visits are by appointment, so call 800-285-3002 before you come.
Which other areas do you cover?
We work throughout Los Angeles, the San Fernando Valley, Sherman Oaks, Encino, Tarzana, Woodland Hills, Calabasas, Westlake Village, Pasadena, Glendale, Culver City, the South Bay, Santa Clarita Valley, Ventura County, Thousand Oaks, Beverly Hills, West Hollywood, Santa Monica, Malibu, Agoura Hills, Simi Valley, Burbank, Granada Hills, Canoga Park, Reseda and the surrounding areas.
Nearby Service Areas
Homeowner Experiences
Hear directly from Southern California clients who trusted H&A My Design with their custom homes, ADUs, and additions.
Walk the finished home — navy kitchen with brass fittings, an open living space and a new double-vanity bathroom.
“We’re extremely happy with the results. Without a shadow of doubt, we’ve already recommended them to other neighbors.”
“Everybody was phenomenal to work with, a pleasure to have. Totally fair and wonderful company and great family.”
“H&A made the entire process transparent. Having one GC manage blueprints, city permits, and the build was night and day.”
“Their Canoga Park showroom made selecting our cabinets, quartz, and fixtures so easy. Finished right on schedule.”
“Converted our garage into a 2-bedroom rental. Flawless craftsmanship and leased immediately after final inspection.”
See the full before and after — the original kitchen, the opened-up living space and the finished bathrooms.
“From 3D plans to final city sign-off, H&A handled everything. No surprise change orders, no stress.”
“Built a modern ADU for my parents. The accessibility and aesthetic details exceeded all our expectations.”
Serving Southern California
Licensed throughout Los Angeles & Ventura Counties. HQ Showroom at 6723 Variel Ave, Canoga Park, CA.
MORE SPACE.
MORE VALUE.
Design, permits, showroom selections, and master construction—managed by one accountable team.