San Francisco Bay Area

One engineering partner across the Bay Area.

GGIS plans, programs, tests, and supports connected technology for homes, businesses, and construction teams across eight Bay Area counties. This directory brings our complete coverage into one useful place—without dozens of repetitive city pages.

Complete coverage directory

Browse service areas by county

Select a featured city for its full local guide. Every other entry provides a direct coverage reference for visitors arriving from an older city URL.

15 service areas

Alameda County

East Bay communities from the Oakland–Berkeley corridor through the Tri-Valley and southern Alameda County.

Alameda

GGIS serves Alameda, including properties near Crown Memorial State Beach and in Gold Coast, with engineered networking, security, AV, automation, and low-voltage systems.

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Albany

GGIS serves Albany, including properties near Solano Avenue and in Macgregor Tract, with engineered networking, security, AV, automation, and low-voltage systems.

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Castro Valley

GGIS serves Castro Valley, including properties near Lake Chabot and in Proctor, with engineered networking, security, AV, automation, and low-voltage systems.

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Emeryville

GGIS serves Emeryville, including properties near Bay Street and in Watergate, with engineered networking, security, AV, automation, and low-voltage systems.

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Fremont

GGIS serves Fremont, including properties near Mission San Jose and in Niles, with engineered networking, security, AV, automation, and low-voltage systems.

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Hayward

GGIS serves Hayward, including properties near Garin Regional Park and in Fairview, with engineered networking, security, AV, automation, and low-voltage systems.

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Newark

GGIS serves Newark, including properties near Newark Community Center and in Lakecroft, with engineered networking, security, AV, automation, and low-voltage systems.

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Piedmont

GGIS serves Piedmont, including properties near Piedmont Park and in Central Piedmont, with engineered networking, security, AV, automation, and low-voltage systems.

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San Leandro

GGIS serves San Leandro, including properties near San Leandro Marina and in Broadmoor, with engineered networking, security, AV, automation, and low-voltage systems.

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Union City

GGIS serves Union City, including properties near Union Landing and in Alvarado, with engineered networking, security, AV, automation, and low-voltage systems.

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20 service areas

Contra Costa County

Central and eastern Contra Costa, including Lamorinda, the Diablo Valley, and Delta communities.

Alamo

GGIS serves Alamo, including properties near Mount Diablo State Park and in Round Hill Country Club, with engineered networking, security, AV, automation, and low-voltage systems.

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Antioch

GGIS serves Antioch, including properties near Black Diamond Mines and in Lone Tree, with engineered networking, security, AV, automation, and low-voltage systems.

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Brentwood

GGIS serves Brentwood, including properties near Downtown Brentwood and in Shadow Lakes, with engineered networking, security, AV, automation, and low-voltage systems.

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Clayton

GGIS serves Clayton, including properties near Mount Diablo and in Oakhurst, with engineered networking, security, AV, automation, and low-voltage systems.

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Concord

GGIS serves Concord, including properties near Todos Santos Plaza and in Dana Estates, with engineered networking, security, AV, automation, and low-voltage systems.

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Danville

GGIS serves Danville, including properties near Downtown Danville and in Blackhawk, with engineered networking, security, AV, automation, and low-voltage systems.

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El Cerrito

GGIS serves El Cerrito, including properties near El Cerrito Plaza and in St. Jerome, with engineered networking, security, AV, automation, and low-voltage systems.

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Hercules

GGIS serves Hercules, including properties near Hercules Waterfront and in Victoria by the Bay, with engineered networking, security, AV, automation, and low-voltage systems.

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Lafayette

GGIS serves Lafayette, including properties near Lafayette Reservoir and in Burton Valley, with engineered networking, security, AV, automation, and low-voltage systems.

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Martinez

GGIS serves Martinez, including properties near Martinez Marina and in Alhambra Valley, with engineered networking, security, AV, automation, and low-voltage systems.

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Moraga

GGIS serves Moraga, including properties near Saint Mary's College and in Campolindo, with engineered networking, security, AV, automation, and low-voltage systems.

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Oakley

GGIS serves Oakley, including properties near Big Break Regional Shoreline and in Vintage Parkway, with engineered networking, security, AV, automation, and low-voltage systems.

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Orinda

GGIS serves Orinda, including properties near Orinda Theatre and in Sleepy Hollow, with engineered networking, security, AV, automation, and low-voltage systems.

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Pinole

GGIS serves Pinole, including properties near Pinole Shores and in Pinole Valley, with engineered networking, security, AV, automation, and low-voltage systems.

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Pittsburg

GGIS serves Pittsburg, including properties near Pittsburg Marina and in San Marco, with engineered networking, security, AV, automation, and low-voltage systems.

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Pleasant Hill

GGIS serves Pleasant Hill, including properties near Downtown Pleasant Hill and in Poet's Corner, with engineered networking, security, AV, automation, and low-voltage systems.

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Richmond

GGIS serves Richmond, including properties near Point Richmond and in Marina Bay, with engineered networking, security, AV, automation, and low-voltage systems.

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San Pablo

GGIS serves San Pablo, including properties near San Pablo Lytton Casino and in Rollingwood, with engineered networking, security, AV, automation, and low-voltage systems.

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San Ramon

GGIS serves San Ramon, including properties near City Center Bishop Ranch and in Windemere, with engineered networking, security, AV, automation, and low-voltage systems.

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11 service areas

Marin County

Marin homes and businesses from the Golden Gate communities north through Novato.

Belvedere

GGIS serves Belvedere, including properties near San Francisco Yacht Club and in Belvedere Island, with engineered networking, security, AV, automation, and low-voltage systems.

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Corte Madera

GGIS serves Corte Madera, including properties near Town Park and in Chapman Park, with engineered networking, security, AV, automation, and low-voltage systems.

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Fairfax

GGIS serves Fairfax, including properties near Downtown Fairfax and in Deer Park, with engineered networking, security, AV, automation, and low-voltage systems.

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Larkspur

GGIS serves Larkspur, including properties near Downtown Larkspur and in Baltimore Canyon, with engineered networking, security, AV, automation, and low-voltage systems.

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Mill Valley

GGIS serves Mill Valley, including properties near Mount Tamalpais and in Sycamore Park, with engineered networking, security, AV, automation, and low-voltage systems.

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Novato

GGIS serves Novato, including properties near Grant Avenue and in Ignacio, with engineered networking, security, AV, automation, and low-voltage systems.

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Ross

From properties near Ross Common, GGIS serves Ross with engineered networking, security, AV, automation, and low-voltage systems.

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San Anselmo

GGIS serves San Anselmo, including properties near San Anselmo Avenue and in Sleepy Hollow, with engineered networking, security, AV, automation, and low-voltage systems.

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San Rafael

GGIS serves San Rafael, including properties near Downtown San Rafael and in Dominican, with engineered networking, security, AV, automation, and low-voltage systems.

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Sausalito

GGIS serves Sausalito, including properties near Bridgeway and in Hurricane Gulch, with engineered networking, security, AV, automation, and low-voltage systems.

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Tiburon

GGIS serves Tiburon, including properties near Main Street and in Bel Aire, with engineered networking, security, AV, automation, and low-voltage systems.

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10 service areas

San Francisco County

Citywide coverage plus key San Francisco neighborhoods and commercial districts represented in the GGIS service directory.

Bernal Heights

From properties near Bernal Heights Park, GGIS serves Bernal Heights with engineered networking, security, AV, automation, and low-voltage systems.

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Downtown / Financial District

GGIS serves Downtown / Financial District, including properties near Transamerica Pyramid and in Financial District, with engineered networking, security, AV, automation, and low-voltage systems.

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Haight-Ashbury

From properties near Buena Vista Park, GGIS serves Haight-Ashbury with engineered networking, security, AV, automation, and low-voltage systems.

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Noe Valley

From properties near 24th Street, GGIS serves Noe Valley with engineered networking, security, AV, automation, and low-voltage systems.

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Potrero Hill

From properties near 18th Street, GGIS serves Potrero Hill with engineered networking, security, AV, automation, and low-voltage systems.

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Richmond District

GGIS serves Richmond District, including properties near Golden Gate Park and in Inner Richmond, with engineered networking, security, AV, automation, and low-voltage systems.

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SOMA

GGIS serves SOMA, including properties near Yerba Buena Gardens and in South of Market, with engineered networking, security, AV, automation, and low-voltage systems.

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Sunset District

GGIS serves Sunset District, including properties near Ocean Beach and in Inner Sunset, with engineered networking, security, AV, automation, and low-voltage systems.

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The Mission District

GGIS serves The Mission District, including properties near Dolores Park and in Mission District, with engineered networking, security, AV, automation, and low-voltage systems.

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20 service areas

San Mateo County

Peninsula communities from Brisbane and Daly City south through East Palo Alto and the coastal corridor.

Atherton

GGIS serves Atherton, including properties near Holbrook-Palmer Park and in Lindenwood, with engineered networking, security, AV, automation, and low-voltage systems.

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Belmont

GGIS serves Belmont, including properties near Twin Pines Park and in Belmont Heights, with engineered networking, security, AV, automation, and low-voltage systems.

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Brisbane

GGIS serves Brisbane, including properties near San Bruno Mountain and in Central Brisbane, with engineered networking, security, AV, automation, and low-voltage systems.

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Burlingame

GGIS serves Burlingame, including properties near Burlingame Avenue and in Easton Addition, with engineered networking, security, AV, automation, and low-voltage systems.

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Colma

From properties near Serramonte Center, GGIS serves Colma with engineered networking, security, AV, automation, and low-voltage systems.

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Daly City

GGIS serves Daly City, including properties near Cow Palace and in Westlake, with engineered networking, security, AV, automation, and low-voltage systems.

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East Palo Alto

From properties near Ravenswood Open Space, GGIS serves East Palo Alto with engineered networking, security, AV, automation, and low-voltage systems.

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Foster City

GGIS serves Foster City, including properties near Leo J. Ryan Park and in Neighborhood 1, with engineered networking, security, AV, automation, and low-voltage systems.

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Half Moon Bay

GGIS serves Half Moon Bay, including properties near Main Street and in Ocean Colony, with engineered networking, security, AV, automation, and low-voltage systems.

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Menlo Park

GGIS serves Menlo Park, including properties near Burgess Park and in Felton Gables, with engineered networking, security, AV, automation, and low-voltage systems.

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Millbrae

GGIS serves Millbrae, including properties near Millbrae Square and in Millbrae Highlands, with engineered networking, security, AV, automation, and low-voltage systems.

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Pacifica

GGIS serves Pacifica, including properties near Pacifica Pier and in Linda Mar, with engineered networking, security, AV, automation, and low-voltage systems.

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Portola Valley

GGIS serves Portola Valley, including properties near Windy Hill and in Central Portola Valley, with engineered networking, security, AV, automation, and low-voltage systems.

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Redwood City

GGIS serves Redwood City, including properties near Downtown Redwood City and in Emerald Hills, with engineered networking, security, AV, automation, and low-voltage systems.

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San Bruno

GGIS serves San Bruno, including properties near San Bruno City Park and in Rollingwood, with engineered networking, security, AV, automation, and low-voltage systems.

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San Carlos

GGIS serves San Carlos, including properties near Burton Park and in White Oaks, with engineered networking, security, AV, automation, and low-voltage systems.

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San Mateo

GGIS serves San Mateo, including properties near Central Park and in Baywood, with engineered networking, security, AV, automation, and low-voltage systems.

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South San Francisco

GGIS serves South San Francisco, including properties near Sign Hill and in Buri Buri, with engineered networking, security, AV, automation, and low-voltage systems.

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Woodside

GGIS serves Woodside, including properties near Filoli Historic House and in Central Woodside, with engineered networking, security, AV, automation, and low-voltage systems.

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13 service areas

Santa Clara County

South Bay and Silicon Valley communities from Mountain View and Sunnyvale through San Jose and Morgan Hill.

Campbell

GGIS serves Campbell, including properties near Downtown Campbell and in Pruneyard, with engineered networking, security, AV, automation, and low-voltage systems.

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Cupertino

GGIS serves Cupertino, including properties near Main Street and in Monta Vista, with engineered networking, security, AV, automation, and low-voltage systems.

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Los Altos

GGIS serves Los Altos, including properties near Downtown Los Altos and in Loyola, with engineered networking, security, AV, automation, and low-voltage systems.

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Los Altos Hills

GGIS serves Los Altos Hills, including properties near Foothill College and in Central Los Altos Hills, with engineered networking, security, AV, automation, and low-voltage systems.

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Los Gatos

GGIS serves Los Gatos, including properties near Vasona Lake County Park and in Blossom Hill, with engineered networking, security, AV, automation, and low-voltage systems.

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Milpitas

GGIS serves Milpitas, including properties near Great Mall and in Pines, with engineered networking, security, AV, automation, and low-voltage systems.

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Morgan Hill

GGIS serves Morgan Hill, including properties near Downtown Morgan Hill and in Holiday Lake Estates, with engineered networking, security, AV, automation, and low-voltage systems.

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Santa Clara

GGIS serves Santa Clara, including properties near Levi's Stadium and in Rivermark, with engineered networking, security, AV, automation, and low-voltage systems.

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Saratoga

GGIS serves Saratoga, including properties near Downtown Saratoga and in Golden Triangle, with engineered networking, security, AV, automation, and low-voltage systems.

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Sunnyvale

GGIS serves Sunnyvale, including properties near Murphy Avenue and in Cherry Chase, with engineered networking, security, AV, automation, and low-voltage systems.

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7 service areas

Solano County

North Bay and Delta communities along the I-80 and Highway 12 corridors.

Benicia

GGIS serves Benicia, including properties near Benicia State Recreation Area and in Southampton, with engineered networking, security, AV, automation, and low-voltage systems.

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Dixon

From properties near Dixon May Fair, GGIS serves Dixon with engineered networking, security, AV, automation, and low-voltage systems.

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Fairfield

GGIS serves Fairfield, including properties near Jelly Belly Factory and in Cordelia, with engineered networking, security, AV, automation, and low-voltage systems.

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Rio Vista

From properties near Downtown Rio Vista, GGIS serves Rio Vista with engineered networking, security, AV, automation, and low-voltage systems.

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Suisun City

GGIS serves Suisun City, including properties near Suisun City Marina and in Lawler Ranch, with engineered networking, security, AV, automation, and low-voltage systems.

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Vacaville

GGIS serves Vacaville, including properties near Nut Tree Plaza and in Browns Valley, with engineered networking, security, AV, automation, and low-voltage systems.

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Vallejo

GGIS serves Vallejo, including properties near Mare Island and in Glen Cove, with engineered networking, security, AV, automation, and low-voltage systems.

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8 service areas

Sonoma County

Wine Country communities from Petaluma and Sonoma north through Healdsburg and Windsor.

Cotati

From properties near La Plaza Park, GGIS serves Cotati with engineered networking, security, AV, automation, and low-voltage systems.

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Healdsburg

GGIS serves Healdsburg, including properties near Healdsburg Plaza and in Dry Creek, with engineered networking, security, AV, automation, and low-voltage systems.

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Petaluma

GGIS serves Petaluma, including properties near Downtown Petaluma and in West Petaluma, with engineered networking, security, AV, automation, and low-voltage systems.

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Rohnert Park

GGIS serves Rohnert Park, including properties near Sonoma State University and in M Section, with engineered networking, security, AV, automation, and low-voltage systems.

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Santa Rosa

GGIS serves Santa Rosa, including properties near Railroad Square and in Fountaingrove, with engineered networking, security, AV, automation, and low-voltage systems.

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Sebastopol

From properties near The Barlow, GGIS serves Sebastopol with engineered networking, security, AV, automation, and low-voltage systems.

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Sonoma

GGIS serves Sonoma, including properties near Sonoma Plaza and in Eastside, with engineered networking, security, AV, automation, and low-voltage systems.

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Windsor

GGIS serves Windsor, including properties near Town Green and in Vintage Greens, with engineered networking, security, AV, automation, and low-voltage systems.

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Project coverage

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