LOS ANGELES, CA
Griffith Observatory
Opened in 1935 in Art Deco style, Griffith Observatory crowns the southern slope of Mount Hollywood with reinforced-concrete massing and terrazzo detailing. The civic landmark integrates public science education with Los Angeles’ hillside park system, demanding careful geotechnical and exterior-envelope maintenance for long-term preservation.
Phone: (213) 473-0800
Official SiteWalt Disney Concert Hall
Designed by Frank Gehry and opened in 2003, the stainless-steel Walt Disney Concert Hall is a sculptural feat that relies on a complex steel frame and carefully detailed expansion joints. Its façade and plaza require specialized metal maintenance and waterproofing strategies suitable for high-profile cultural infrastructure.
Phone: (323) 850-2000
Official SiteThe Broad
The Broad’s “veil-and-vault” design by Diller Scofidio + Renfro features a precast concrete honeycomb façade engineered for daylighting and thermal control. The contemporary museum underscores best practices for curtain-wall inspection, sealant performance, and façade access planning in dense downtown conditions.
Phone: (213) 232-6200
Official SiteLos Angeles City Hall
Completed in 1928, City Hall blends Art Deco and Moderne elements with a landmark 28-story concrete tower. Seismic retrofits and masonry restoration have preserved its civic role, illustrating how historic government buildings can meet contemporary performance standards.
Phone: (213) 473-3231
Official SiteBradbury Building
Built in 1893, the Bradbury Building is renowned for its skylit atrium, cast-iron stairways, and glazed brick. Restoration of its interior ironwork and masonry demonstrates meticulous conservation of late-19th-century materials in an active commercial property.
Official/Registry Page
Union Station Los Angeles
Opened in 1939, Union Station merges Spanish Colonial Revival, Mission Revival, and Art Deco with decorative tile and heavy timber trusses. Ongoing rehabilitation has focused on roofing, plaster, and terra-cotta systems essential to transit-scale historic structures.
Official Site
El Pueblo de Los Angeles Historical Monument (Olvera Street)
This state and city historic district preserves the birthplace of Los Angeles, including adobe structures and brick-and-stucco commercial buildings. Projects here require sensitive masonry repair, lime-based finishes, and adherence to heritage guidelines.
Phone: (213) 485-6855
Official SiteLos Angeles Central Library
Bertram Goodhue’s 1926 landmark combines Art Deco and Egyptian Revival motifs with tile-clad pyramidal massing. The post-fire restoration modernized systems while preserving murals, sculpture, and exterior masonry—an instructive model for library rehabilitation.
Phone: (213) 228-7000
Official SiteCathedral of Our Lady of the Angels
Consecrated in 2002 and designed by Rafael Moneo, the cathedral’s sand-colored concrete planes and seismic isolation reflect durable civic architecture in an active fault region. Maintenance centers on concrete envelope performance, stonework, and plaza waterproofing.
Phone: (213) 680-5200
Official SiteHollywood Bowl
A 1922 amphitheater with a famed concentric-arch shell, the Bowl pairs timber, steel, and acoustical cladding with hillside terracing. Upgrades have balanced preservation with performance, including envelope acoustics, lighting, and life-safety systems.
Phone: (323) 850-2000
Official SiteTCL Chinese Theatre
Grauman’s Chinese Theatre (1927) showcases exotic revival architecture with a grand forecourt of handprints set in concrete. Conservation involves stucco, tile, and ornamental concrete repair within a high-traffic commercial environment.
Phone: (323) 461-3331
Official SiteThe Getty Center
Perched in the Santa Monica Mountains, the Getty Center (1997) uses travertine-clad pavilions and aluminum panels over a concrete frame. Its hilltop campus emphasizes drainage, stone maintenance, and fire-resilient landscaping for cultural campuses.
Phone: (310) 440-7300
Official SiteHollyhock House (Barnsdall Art Park)
Designed by Frank Lloyd Wright and completed in 1921, Hollyhock House blends Mayan Revival motifs with reinforced concrete and ornamental art stone. The hilltop site demands ongoing waterproofing, seismic stewardship, and conservation of Wright’s custom wood, stucco, and textile-block details for civic use.
Official Site
Ennis House
Frank Lloyd Wright’s 1924 Ennis House is the largest of his Los Angeles textile-block residences, using interlocking concrete blocks with geometric reliefs. Preservation focuses on stabilizing hillside foundations, addressing alkali-silica reactions in early concrete, and safeguarding historic glazing and steel.
Official Site
Eastern Columbia Building
Opened in 1930, Claud Beelman’s Eastern Columbia is a turquoise terra-cotta Art Deco tower with copper accents and a four-sided clock. Restoration programs emphasize terra-cotta anchorage, sealant renewal, and façade cleaning protocols suitable for glazed-ceramic cladding in a dense downtown environment.
Registry/Conservancy Page
Bullocks Wilshire (Southwestern Law School)
The 1929 Bullocks Wilshire department store exemplifies Art Deco luxury with terra-cotta, copper spandrels, and grand interiors. Its adaptive reuse as a law school showcases best practices in historic interior conservation, MEP modernization, and exterior-envelope restoration for institutional use.
Phone: (213) 738-6700
Official SiteSixth Street Viaduct (Michael Maltzan, 2022)
Replacing the 1932 bridge, the new Sixth Street Viaduct features sweeping tied-arch “ribbon” structures of concrete and steel spanning the Los Angeles River. The project integrates seismic resilience, multi-modal mobility, and public-realm improvements, illustrating modern civic infrastructure and durable concrete-envelope design.
Official Site
Los Angeles Theatre (Broadway)
Completed in 1931 with French Baroque opulence, the Los Angeles Theatre showcases lavish plasterwork, chandeliers, and a monumental lobby. Conservation and code upgrades for special events highlight strategies for safeguarding ornate historic interiors in active assembly occupancies.
Official Site
Pico House
Built between 1869–1870 by Governor Pío Pico, Pico House is a three-story Italianate brick hotel forming part of El Pueblo’s historic core. Rehabilitation efforts focus on unreinforced masonry stabilization, seismic strengthening, and sensitive adaptive reuse within a protected heritage district.
Official Site
Korean Bell of Friendship (Angels Gate Park)
Gifted in 1976, the massive bronze bell sits within a brightly painted Korean-style pavilion overlooking the Pacific in San Pedro. Conservation requires coastal-environment protection for timber, tile, and painted finishes, as well as structural maintenance of the pavilion’s seismic bracing.
Phone: (310) 548-7705
Official Site