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


501 Beale Street, Unit #12E, San Francisco, CA 94105 | JUST LISTED!


Offered at $869,000

Enjoy easy city living in this 1 bedroom, 1 bathroom home at The Watermark - a boutique luxury condominium high-rise with amenities galore.

With gorgeous Bay, city & Bay Bridge views, an open floorplan, and Chef's kitchen featuring Bosch stainless steel appliances, this residence is perfect for entertaining or a quiet night at home. At the entry of the residence you'll find a coat closet as well as an alcove perfect for a home office desk or additional entry storage. A sophisticated bathroom with marble finishes and an in-unit washer & dryer are additional features of residence 12E. A walk-in master bedroom closet and deeded parking round out the offerings for this home.

This beautiful South Beach building features a large heated lap pool, hot tub, fitness center, BBQ rooftop area & 24/7 doorman. Easy access to Downtown, the Ferry Building, Embarcadero, Financial District and Oracle Ballpark. Close proximity to public transportation, freeways (101/80/280) and the Bay Bridge

Features include:

  • 1 bedroom | 1 bathroom

  • 759 sq. ft.

  • Chef’s kitchen with stainless steel appliances

  • Gorgeous city, Bay & Bay Bridge views

  • Deeded & secure parking

  • In-unit washer & dryer

  • 24/7 doorman

  • Swimming pool & hot tub

  • BBQ rooftop area

  • Fitness center

  • Easy access to the 280/101, CalTrain and Financial District

  • HOA Dues of $1,008.35 per month


300 Berry Street, Unit #445, San Francisco, CA 94158 | JUST LISTED!


Offered at $1,485,000

Welcome to Arterra, San Francisco's premier LEED-Certified luxury residential high rise. This rare townhome features a flexible floorplan with 2 bedrooms and 2 baths, plus a large bonus room off the master suite that can be used as a third bedroom/office/media room. This is one of the best residences the Arterra has to offer! Along Mission Creek, parks, close to the Embarcadero; and easy access to CalTrain, Union Square, the Ferry Building, 280/101, restaurants, and more. This residence truly is a walker's & commuter's paradise!

Features include:

  • High ceilings & Floor-to-ceiling windows on both levels

  • Private patio

  • Bonus room off the master suite

  • High-end Studio Becker cabinetry

  • Hardwood floors

  • Gas range

  • In-unit Bosh washer & dryer

  • Custom spacious built-in closets

  • Custom curtains and shades throughout

  • 1 car deeded parking included

  • Approximately 1,241 sq.ft.

  • Community room and Fitness Center

  • 24/7 attended lobby with concierge

  • Rooftop deck with panoramic views and barbecue area

  • HOA dues $640.75

  • Unique guest suite (1 bedroom hotel room for owner’s guests only – approx $300 for the whole week)

  • Bicycle racks

  • Walkable to Bay Bridge, Embarcadero, Downtown, and shuttle


29 Bay Vista Drive, Mill Valley, CA 94941 | NEW PRICE!


Offered at $2,995,000

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; Bay Vista is an ideal place for those who enjoy seamless indoor/outdoor living & entertaining.

The newly-remodeled chef's kitchen boasts 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.

This private oasis is surrounded by greenery and nature, serving as a peaceful sanctuary in which take in the best of the Marin lifestyle. For those who love the outdoors, there’s a variety of activities within arm’s reach: hiking at Ring Mountain, strolling along the water & Blackie’s Pasture, biking the Bay Trail & Paradise Loop. With easy access to the 101, Golden Gate Transit and the Ferry for commuters, this Mill Valley home is in the perfect location for those driving into and out of the city.

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

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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