The Costa Group provides extraordinary service to elevate your life and bring you home.            


From San Francisco to Marin County we've sold 100's of homes and placed families of all shapes and sizes into Single Family Residences, Urban Dwellings, Penthouses, Condominiums, New Developments, Victorians, Edwardians, Apartments, Flats and Income Property.


We have an intimate knowledge of the City of San Francisco and the Marin County neighborhoods and amenities.  

From Noe Valley to Mill Valley, experience 'The Costa Groups' hands-on availability, involvement and concern for you and your lifestyle.



We are your partners, in listening, understanding and negotiating for you with our 30+ years of experience.  

All of our accolades and awards mean we continue to accomplish what we set out to do. To be the very best at representing you. That is our success.


With real estate partners throughout the San Francisco Bay Area, California, the United States and globally, we help our clients with all of their real estate needs. Wherever you may want to buy or sell, The Costa Group has a vetted partner to guide you. Just reach out!   

Exclusive Listings

Available Right Now!

Costa Group Listings BELOW


29 Bay Vista Drive, Mill Valley, CA 94941 | EXCLUSIVE OPPORTUNITY!


Offered at $3,245,000

Situated on over a third of an acre and tucked behind a private gate, this thoughtfully-renovated Mill Valley home is what dreams are made of. With panoramic views of the San Francisco skyline and the bay, mature gardens, and a remodeled chef's kitchen, this home is the ideal place for those who enjoy seamless indoor/outdoor living and entertaining. Surrounded by greenery and nature, enjoy a peaceful and private sanctuary to take in the best of the Marin lifestyle.

The Home:

  • 5 sleeping rooms (4 bedrooms + study)

  • 3 bathrooms

  • Panoramic Bay and City views from almost all rooms in the house

  • Newly-remodeled chef's kitchen with designer finishes and massive island with breakfast bar. Unique features include Italian calacatta marble countertops, Heath Ceramics backsplash, farmhouse sink, locally-crafted floating wooden shelves, 6-burner gas range, pot filler, warming drawer, hot water dispenser, and more.

  • Hardwood flooring

  • Architectural features: open floorplan, vaulted ceilings and beams

  • 2-car garage + large driveway for 2 or more uncovered cars

  • Approximately 3120 square feet

  • Priced at $3.245M

The Land & Gardens:

  • Expansive, usable lot with 0.33 acres

  • Generous outdoor spaces including flat driveway, lush lawn and spacious deck -- great for playing & entertaining

  • Side deck off kitchen for barbecuing & dining al fresco

  • Southern exposure with abundant natural light throughout the day

  • Mature gardens including rosemary and fruit-bearing trees

  • Privacy, yet with everything at your fingertips from Ring Mountain hiking, strolling along the water, biking the Bay Trail & Paradise Loop, commuting to SF and everyday conveniences

The Area:

  • Strawberry, Mill Valley/Tiburon border

  • Walk to the neighborhood park (Cypress Hollow Park), Strawberry Village, Nugget Market, Blackie's Pasture, Peet's Coffee, and more

  • Convenient access to 101, Golden Gate Transit and Ferry for commuters

  • Award-winning Mill Valley schools


15 Gloria Drive, San Rafael, CA 94901 | COMING SOON!


Offered at $1,145,000

Surrounded by nature & just a short stroll from Gerstle Park, downtown San Rafael, and ample hiking trails, this quiet, light-filled sanctuary offers the best of San Rafael living. With an expansive, sun-bathed, south-facing deck off the living room and shaded patio off the kitchen, 15 Gloria invites indoor/outdoor living--great for entertaining, or a relaxing weekend at home.

Those who love being in nature will enjoy spending time on the deck--taking in the peaceful green surroundings, the warm sunshine & the birds singing from sunrise to sunset. Featuring three bedrooms on the main living level, the lower level offers additional rooms for ultimate versatility, and can easily accommodate guests, an au pair, a home office, media room and/or playroom. This is a perfect home to grow into & enjoy for many years to come!

Located in the heart of Marin, San Rafael is an ideal place to call home. Enjoy the area’s premier hiking trails, fun cultural activities, parks and playgrounds, unique architecture, and some of Marin’s hottest restaurants. 

Design Features Include:

  • 4 bedrooms / 2 bathrooms

  • Light-filled living area

  • Formal dining area with built-ins

  • Remodeled kitchen

  • Mid-century architecture with hardwood flooring & vaulted ceilings

  • Three bedrooms on main living level

  • Fourth bedroom, full bathroom & media/playroom on lower level

  • Patios & garden

  • Expansive, south-facing deck with serene outlooks

  • Covered parking for 2 cars

  • Abundant storage throughout

  • Commuter-friendly location

  • Award-winning Sun Valley Elementary School District

  • 1952 sq.ft., per floor plan designer

  • Generous 9,000 square foot lot (0.2 acres)


870 Kansas Street, San Francisco, CA 94107 | PENDING!


Offered at $2,495,000

Relax into a modern farmhouse that feels transported from wine country and set down atop one of the City’s loveliest neighborhoods, known for its bright, sunny days, plentiful activities, and easy living. Through the front gate, enter a private garden surrounded by manicured flowering vines and mature avocado trees. A stone pathway leads to a patio and lawn, perfect for unwinding under a starry night sky or dining al fresco with friends.

Inside, a welcoming formal entryway flows to a comfortable living room with a movable glass wall, which opens to the patio for seamless indoor/outdoor living. Enjoy cooking in a modern kitchen with a six-burner Wolf range, marble backsplash and jet-black stone countertop. Converse with friends while lounging in the dining room or breakfast area off the kitchen.

A bright master retreat features ultimate privacy, lofted ceilings and exposed beams; as well as a modern en suite bath with luxurious appointments including a rainhead shower, indulgent jetted tub and dual sinks for a serene, spa-like experience. The newly-built downstairs level features a full bathroom & laundry room. This versatile area offers plentiful options such as a media room, bedroom, office or some combination of all three. Plenty of space to work, play or just to relax.

When it’s time to get out, this home’s location at the top of Potrero means you are within strolling distance of cafes & award-winning restaurants such as Farley’s, Chez Maman and Goat Hill Pizza, multiple parks, Whole Foods, The Good Life Grocery, and the Potrero Library. Easy transit options include 280, 101, CalTrain, and tech shuttle stops within a few blocks. It’s truly a rural pleasure in an idyllic urban location.

Design Features Include:

  • 4 bedrooms

  • 3 full bathrooms

  • 2,459 square feet, per tax records

  • Rare, quiet & coveted setting on a peaceful street

  • Urban oasis behind front gate, which offers ultimate privacy

  • Magical landscaped front yard featuring lawn, stone patio & mature avocado trees

  • Fantastic indoor/outdoor flow with living room that can open entirely to patio & garden

  • Updated & open eat-in gourmet kitchen with dining area & intimate breakfast room

  • Master retreat with barn door, abundant closet space & en suite updated bath

  • Downstairs media room or bedroom with new full bath

  • Two large bedrooms with closets & bright natural light

  • Additional flex home office or nursery space

  • Designer fixtures

  • Recessed lighting

  • Hardwood floors

  • Laundry room

  • Close to 18th street shops & restaurants

  • Nearby parks

  • Commuter's paradise

The Costa Group works with buyers and sellers across

Marin County, Wine Country and San Francisco.

Below are just a few of our most recent sales, listings and properties soon to hit the market.


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