Architecture, engineering and construction services in Los Angeles

Hemisphere A&E is an architect-led design-build firm in Culver City, Los Angeles. One team designs, engineers, permits and builds ADUs, junior ADUs, garage conversions, custom homes, fire rebuilds, apartment buildings, and restaurant, retail and office build-outs across Los Angeles County.

ADU design and construction

Backyard ADUs, garage conversions and ADUs added to apartment buildings. We check what your lot allows, design the ADU, get the permit and build it. Learn more

Junior ADUs (JADUs)

A junior ADU is a unit of up to 500 sq ft inside your house, often a converted bedroom or attached garage, with its own entrance and a small kitchen. It is the lowest-cost way to add a rental. Learn more

Custom homes and new homes

New single-family homes on empty lots, tear-down and rebuild projects, and homes with an ADU. One team for design, engineering, permits and construction. Learn more

Fire rebuilds

Rebuilding after the Eaton and Palisades fires in Altadena, Pacific Palisades and Malibu, with fire-resistant construction and the local rebuild rules. Learn more

Apartment buildings and multifamily

Duplexes, fourplexes, walk-ups and mid-rise buildings. We check density, floor area (FAR), the state density bonus, SB 684, CHIP and SB 79 to find how many units your lot can hold. Learn more

Tenant improvements and restaurant build-outs

Restaurant, cafe, retail and office build-outs: layout, kitchen and hood, accessibility upgrades, health department plan check, permits and construction. Learn more

MEP engineering

Mechanical, electrical and plumbing engineering for homes, apartments and commercial spaces. Learn more

As-built drawings and LiDAR scans

Measured drawings of existing buildings, with LiDAR and drone scans, for remodels, additions and permits. Learn more

Permits and plan check

We prepare the drawings and handle plan check with LADBS, LA County and cities across LA County, from first submittal to the certificate of occupancy. Learn more

How we work

1. Free lot check: zoning, lot size, what fits and red flags.
2. Design and engineering, with a clear cost range.
3. Permits and plan check.
4. Construction, through the final inspection.

Free cost calculators

See what an ADU, a new home, an apartment building or a business build-out costs in your area with our free cost calculators, and read cost guides for 30 LA County cities.

Contact

Hemisphere A&E, 10000 Washington Blvd, Culver City, CA 90232. Call (619) 762-7144 or email info@hemisphereae.com. Book a free 15-minute call.