MARIN PRIVATE HILL SPA | SAN ANSELMO

Marin Private Hill Spa is a private retreat created for the owner and his close friends. Set between two residences belonging to the same owner, the spa is discreetly embedded into a steep hillside, creating a secluded setting for relaxation, gathering, and enjoying the surrounding landscape.

The hillside beside one of the residences was excavated to accommodate the spa, with a new deck built above it to extend the house’s outdoor living space. Constructed entirely of redwood, the retreat includes a small pool, sauna, steam room, bathroom, napping room, outdoor kitchen, and a generous sun deck.

Expansive southwest-facing views toward Mount Tamalpais give the intimate retreat a strong connection to the broader Marin landscape. Warm materials, sheltered interior spaces, and open-air amenities come together to create a relaxed, sociable escape that feels both private and immersed in nature.

‍

LOCATION: San Anselmo, Marin County, CA

DATE OF COMPLETION: Summer 2024

SIZE: 1,808 sq ft

‍

DESIGN PRINCIPAL: Cass Calder Smith

PROJECT ARCHITECT: Björn Steudte

 ‍

GENERAL CONTRACTOR: Pete Sandoval

STRUCTURAL ENGINEER: Joseph H. Roger

LIGHTING DESIGNER: Luminesce Design

POOL CONTRACTOR: Mike Nielson, Tropical Pools

SAUNA CONTRACTOR: Jeff Schilling, Pacific Sauna and Steam

‍

PHOTOGRAPHY: Cass Calder Smith, Björn Steudte

LOCATION: San Anselmo, Marin County, CA

DATE OF COMPLETION: Summer 2024

SIZE: 1,808 sq ft

‍

DESIGN PRINCIPAL: Cass Calder Smith

PROJECT ARCHITECT: Björn Steudte

 ‍

GENERAL CONTRACTOR: Pete Sandoval

STRUCTURAL ENGINEER: Joseph H. Roger

LIGHTING DESIGNER: Luminesce Design

POOL CONTRACTOR: Mike Nielson, Tropical Pools

SAUNA CONTRACTOR: Jeff Schilling, Pacific Sauna and Steam

‍

PHOTOGRAPHY: Cass Calder Smith, Björn Steudte

MARIN PRIVATE HILL SPA | SAN ANSELMO

Marin Private Hill Spa is a private retreat created for the owner and his close friends. Set between two residences belonging to the same owner, the spa is discreetly embedded into a steep hillside, creating a secluded setting for relaxation, gathering, and enjoying the surrounding landscape.

The hillside beside one of the residences was excavated to accommodate the spa, with a new deck built above it to extend the house’s outdoor living space. Constructed entirely of redwood, the retreat includes a small pool, sauna, steam room, bathroom, napping room, outdoor kitchen, and a generous sun deck.

Expansive southwest-facing views toward Mount Tamalpais give the intimate retreat a strong connection to the broader Marin landscape. Warm materials, sheltered interior spaces, and open-air amenities come together to create a relaxed, sociable escape that feels both private and immersed in nature.

‍

MARIN PRIVATE HILL SPA | SAN ANSELMO

Marin Private Hill Spa is a private retreat created for the owner and his close friends. Set between two residences belonging to the same owner, the spa is discreetly embedded into a steep hillside, creating a secluded setting for relaxation, gathering, and enjoying the surrounding landscape.

The hillside beside one of the residences was excavated to accommodate the spa, with a new deck built above it to extend the house’s outdoor living space. Constructed entirely of redwood, the retreat includes a small pool, sauna, steam room, bathroom, napping room, outdoor kitchen, and a generous sun deck.

Expansive southwest-facing views toward Mount Tamalpais give the intimate retreat a strong connection to the broader Marin landscape. Warm materials, sheltered interior spaces, and open-air amenities come together to create a relaxed, sociable escape that feels both private and immersed in nature.

‍

LOCATION: San Anselmo, Marin County, CA

DATE OF COMPLETION: Summer 2024

SIZE: 1,808 sq ft

‍

DESIGN PRINCIPAL: Cass Calder Smith

PROJECT ARCHITECT: Björn Steudte

 ‍

GENERAL CONTRACTOR: Pete Sandoval

STRUCTURAL ENGINEER: Joseph H. Roger

LIGHTING DESIGNER: Luminesce Design

POOL CONTRACTOR: Mike Nielson, Tropical Pools

SAUNA CONTRACTOR: Jeff Schilling, Pacific Sauna and Steam

‍

PHOTOGRAPHY: Cass Calder Smith, Björn Steudte

Marin Private Hill Spa

MARIN PRIVATE HILL SPA | SAN ANSELMO

Marin Private Hill Spa is a private retreat created for the owner and his close friends. Set between two residences belonging to the same owner, the spa is discreetly embedded into a steep hillside, creating a secluded setting for relaxation, gathering, and enjoying the surrounding landscape.

The hillside beside one of the residences was excavated to accommodate the spa, with a new deck built above it to extend the house’s outdoor living space. Constructed entirely of redwood, the retreat includes a small pool, sauna, steam room, bathroom, napping room, outdoor kitchen, and a generous sun deck.

Expansive southwest-facing views toward Mount Tamalpais give the intimate retreat a strong connection to the broader Marin landscape. Warm materials, sheltered interior spaces, and open-air amenities come together to create a relaxed, sociable escape that feels both private and immersed in nature.

‍

LOCATION: San Anselmo, Marin County, CA

DATE OF COMPLETION: Summer 2024

SIZE: 1,808 sq ft

‍

DESIGN PRINCIPAL: Cass Calder Smith

PROJECT ARCHITECT: Björn Steudte

 ‍

GENERAL CONTRACTOR: Pete Sandoval

STRUCTURAL ENGINEER: Joseph H. Roger

LIGHTING DESIGNER: Luminesce Design

POOL CONTRACTOR: Mike Nielson, Tropical Pools

SAUNA CONTRACTOR: Jeff Schilling, Pacific Sauna and Steam

‍

PHOTOGRAPHY: Cass Calder Smith, Björn Steudte

MARIN PRIVATE HILL SPA | SAN ANSELMO

Marin Private Hill Spa is a private retreat created for the owner and his close friends. Set between two residences belonging to the same owner, the spa is discreetly embedded into a steep hillside, creating a secluded setting for relaxation, gathering, and enjoying the surrounding landscape.

The hillside beside one of the residences was excavated to accommodate the spa, with a new deck built above it to extend the house’s outdoor living space. Constructed entirely of redwood, the retreat includes a small pool, sauna, steam room, bathroom, napping room, outdoor kitchen, and a generous sun deck.

Expansive southwest-facing views toward Mount Tamalpais give the intimate retreat a strong connection to the broader Marin landscape. Warm materials, sheltered interior spaces, and open-air amenities come together to create a relaxed, sociable escape that feels both private and immersed in nature.

‍

LOCATION: San Anselmo, Marin County, CA

DATE OF COMPLETION: Summer 2024

SIZE: 1,808 sq ft

‍

DESIGN PRINCIPAL: Cass Calder Smith

PROJECT ARCHITECT: Björn Steudte

 ‍

GENERAL CONTRACTOR: Pete Sandoval

STRUCTURAL ENGINEER: Joseph H. Roger

LIGHTING DESIGNER: Luminesce Design

POOL CONTRACTOR: Mike Nielson, Tropical Pools

SAUNA CONTRACTOR: Jeff Schilling, Pacific Sauna and Steam

‍

PHOTOGRAPHY: Cass Calder Smith, Björn Steudte

MARIN PRIVATE HILL SPA | SAN ANSELMO

Marin Private Hill Spa is a private retreat created for the owner and his close friends. Set between two residences belonging to the same owner, the spa is discreetly embedded into a steep hillside, creating a secluded setting for relaxation, gathering, and enjoying the surrounding landscape.

The hillside beside one of the residences was excavated to accommodate the spa, with a new deck built above it to extend the house’s outdoor living space. Constructed entirely of redwood, the retreat includes a small pool, sauna, steam room, bathroom, napping room, outdoor kitchen, and a generous sun deck.

Expansive southwest-facing views toward Mount Tamalpais give the intimate retreat a strong connection to the broader Marin landscape. Warm materials, sheltered interior spaces, and open-air amenities come together to create a relaxed, sociable escape that feels both private and immersed in nature.

‍

LOCATION: San Anselmo, Marin County, CA

DATE OF COMPLETION: Summer 2024

SIZE: 1,808 sq ft

‍

DESIGN PRINCIPAL: Cass Calder Smith

PROJECT ARCHITECT: Björn Steudte

 ‍

GENERAL CONTRACTOR: Pete Sandoval

STRUCTURAL ENGINEER: Joseph H. Roger

LIGHTING DESIGNER: Luminesce Design

POOL CONTRACTOR: Mike Nielson, Tropical Pools

SAUNA CONTRACTOR: Jeff Schilling, Pacific Sauna and Steam

‍

PHOTOGRAPHY: Cass Calder Smith, Björn Steudte

MARIN PRIVATE HILL SPA | SAN ANSELMO

Marin Private Hill Spa is a private retreat created for the owner and his close friends. Set between two residences belonging to the same owner, the spa is discreetly embedded into a steep hillside, creating a secluded setting for relaxation, gathering, and enjoying the surrounding landscape.

The hillside beside one of the residences was excavated to accommodate the spa, with a new deck built above it to extend the house’s outdoor living space. Constructed entirely of redwood, the retreat includes a small pool, sauna, steam room, bathroom, napping room, outdoor kitchen, and a generous sun deck.

Expansive southwest-facing views toward Mount Tamalpais give the intimate retreat a strong connection to the broader Marin landscape. Warm materials, sheltered interior spaces, and open-air amenities come together to create a relaxed, sociable escape that feels both private and immersed in nature.

‍

LOCATION: San Anselmo, Marin County, CA

DATE OF COMPLETION: Summer 2024

SIZE: 1,808 sq ft

‍

DESIGN PRINCIPAL: Cass Calder Smith

PROJECT ARCHITECT: Björn Steudte

 ‍

GENERAL CONTRACTOR: Pete Sandoval

STRUCTURAL ENGINEER: Joseph H. Roger

LIGHTING DESIGNER: Luminesce Design

POOL CONTRACTOR: Mike Nielson, Tropical Pools

SAUNA CONTRACTOR: Jeff Schilling, Pacific Sauna and Steam

‍

PHOTOGRAPHY: Cass Calder Smith, Björn Steudte

MARIN PRIVATE HILL SPA | SAN ANSELMO

Marin Private Hill Spa is a private retreat created for the owner and his close friends. Set between two residences belonging to the same owner, the spa is discreetly embedded into a steep hillside, creating a secluded setting for relaxation, gathering, and enjoying the surrounding landscape.

The hillside beside one of the residences was excavated to accommodate the spa, with a new deck built above it to extend the house’s outdoor living space. Constructed entirely of redwood, the retreat includes a small pool, sauna, steam room, bathroom, napping room, outdoor kitchen, and a generous sun deck.

Expansive southwest-facing views toward Mount Tamalpais give the intimate retreat a strong connection to the broader Marin landscape. Warm materials, sheltered interior spaces, and open-air amenities come together to create a relaxed, sociable escape that feels both private and immersed in nature.

‍

LOCATION: San Anselmo, Marin County, CA

DATE OF COMPLETION: Summer 2024

SIZE: 1,808 sq ft

‍

DESIGN PRINCIPAL: Cass Calder Smith

PROJECT ARCHITECT: Björn Steudte

 ‍

GENERAL CONTRACTOR: Pete Sandoval

STRUCTURAL ENGINEER: Joseph H. Roger

LIGHTING DESIGNER: Luminesce Design

POOL CONTRACTOR: Mike Nielson, Tropical Pools

SAUNA CONTRACTOR: Jeff Schilling, Pacific Sauna and Steam

‍

PHOTOGRAPHY: Cass Calder Smith, Björn Steudte

MARIN PRIVATE HILL SPA | SAN ANSELMO

Marin Private Hill Spa is a private retreat created for the owner and his close friends. Set between two residences belonging to the same owner, the spa is discreetly embedded into a steep hillside, creating a secluded setting for relaxation, gathering, and enjoying the surrounding landscape.

The hillside beside one of the residences was excavated to accommodate the spa, with a new deck built above it to extend the house’s outdoor living space. Constructed entirely of redwood, the retreat includes a small pool, sauna, steam room, bathroom, napping room, outdoor kitchen, and a generous sun deck.

Expansive southwest-facing views toward Mount Tamalpais give the intimate retreat a strong connection to the broader Marin landscape. Warm materials, sheltered interior spaces, and open-air amenities come together to create a relaxed, sociable escape that feels both private and immersed in nature.

‍

LOCATION: San Anselmo, Marin County, CA

DATE OF COMPLETION: Summer 2024

SIZE: 1,808 sq ft

‍

DESIGN PRINCIPAL: Cass Calder Smith

PROJECT ARCHITECT: Björn Steudte

 ‍

GENERAL CONTRACTOR: Pete Sandoval

STRUCTURAL ENGINEER: Joseph H. Roger

LIGHTING DESIGNER: Luminesce Design

POOL CONTRACTOR: Mike Nielson, Tropical Pools

SAUNA CONTRACTOR: Jeff Schilling, Pacific Sauna and Steam

‍

PHOTOGRAPHY: Cass Calder Smith, Björn Steudte

MARIN PRIVATE HILL SPA | SAN ANSELMO

Marin Private Hill Spa is a private retreat created for the owner and his close friends. Set between two residences belonging to the same owner, the spa is discreetly embedded into a steep hillside, creating a secluded setting for relaxation, gathering, and enjoying the surrounding landscape.

The hillside beside one of the residences was excavated to accommodate the spa, with a new deck built above it to extend the house’s outdoor living space. Constructed entirely of redwood, the retreat includes a small pool, sauna, steam room, bathroom, napping room, outdoor kitchen, and a generous sun deck.

Expansive southwest-facing views toward Mount Tamalpais give the intimate retreat a strong connection to the broader Marin landscape. Warm materials, sheltered interior spaces, and open-air amenities come together to create a relaxed, sociable escape that feels both private and immersed in nature.

‍

LOCATION: San Anselmo, Marin County, CA

DATE OF COMPLETION: Summer 2024

SIZE: 1,808 sq ft

‍

DESIGN PRINCIPAL: Cass Calder Smith

PROJECT ARCHITECT: Björn Steudte

 ‍

GENERAL CONTRACTOR: Pete Sandoval

STRUCTURAL ENGINEER: Joseph H. Roger

LIGHTING DESIGNER: Luminesce Design

POOL CONTRACTOR: Mike Nielson, Tropical Pools

SAUNA CONTRACTOR: Jeff Schilling, Pacific Sauna and Steam

‍

PHOTOGRAPHY: Cass Calder Smith, Björn Steudte

MARIN PRIVATE HILL SPA | SAN ANSELMO

Marin Private Hill Spa is a private retreat created for the owner and his close friends. Set between two residences belonging to the same owner, the spa is discreetly embedded into a steep hillside, creating a secluded setting for relaxation, gathering, and enjoying the surrounding landscape.

The hillside beside one of the residences was excavated to accommodate the spa, with a new deck built above it to extend the house’s outdoor living space. Constructed entirely of redwood, the retreat includes a small pool, sauna, steam room, bathroom, napping room, outdoor kitchen, and a generous sun deck.

Expansive southwest-facing views toward Mount Tamalpais give the intimate retreat a strong connection to the broader Marin landscape. Warm materials, sheltered interior spaces, and open-air amenities come together to create a relaxed, sociable escape that feels both private and immersed in nature.

‍

LOCATION: San Anselmo, Marin County, CA

DATE OF COMPLETION: Summer 2024

SIZE: 1,808 sq ft

‍

DESIGN PRINCIPAL: Cass Calder Smith

PROJECT ARCHITECT: Björn Steudte

 ‍

GENERAL CONTRACTOR: Pete Sandoval

STRUCTURAL ENGINEER: Joseph H. Roger

LIGHTING DESIGNER: Luminesce Design

POOL CONTRACTOR: Mike Nielson, Tropical Pools

SAUNA CONTRACTOR: Jeff Schilling, Pacific Sauna and Steam

‍

PHOTOGRAPHY: Cass Calder Smith, Björn Steudte

MARIN PRIVATE HILL SPA | SAN ANSELMO

Marin Private Hill Spa is a private retreat created for the owner and his close friends. Set between two residences belonging to the same owner, the spa is discreetly embedded into a steep hillside, creating a secluded setting for relaxation, gathering, and enjoying the surrounding landscape.

The hillside beside one of the residences was excavated to accommodate the spa, with a new deck built above it to extend the house’s outdoor living space. Constructed entirely of redwood, the retreat includes a small pool, sauna, steam room, bathroom, napping room, outdoor kitchen, and a generous sun deck.

Expansive southwest-facing views toward Mount Tamalpais give the intimate retreat a strong connection to the broader Marin landscape. Warm materials, sheltered interior spaces, and open-air amenities come together to create a relaxed, sociable escape that feels both private and immersed in nature.

‍

LOCATION: San Anselmo, Marin County, CA

DATE OF COMPLETION: Summer 2024

SIZE: 1,808 sq ft

‍

DESIGN PRINCIPAL: Cass Calder Smith

PROJECT ARCHITECT: Björn Steudte

 ‍

GENERAL CONTRACTOR: Pete Sandoval

STRUCTURAL ENGINEER: Joseph H. Roger

LIGHTING DESIGNER: Luminesce Design

POOL CONTRACTOR: Mike Nielson, Tropical Pools

SAUNA CONTRACTOR: Jeff Schilling, Pacific Sauna and Steam

‍

PHOTOGRAPHY: Cass Calder Smith, Björn Steudte

MARIN PRIVATE HILL SPA | SAN ANSELMO

Marin Private Hill Spa is a private retreat created for the owner and his close friends. Set between two residences belonging to the same owner, the spa is discreetly embedded into a steep hillside, creating a secluded setting for relaxation, gathering, and enjoying the surrounding landscape.

The hillside beside one of the residences was excavated to accommodate the spa, with a new deck built above it to extend the house’s outdoor living space. Constructed entirely of redwood, the retreat includes a small pool, sauna, steam room, bathroom, napping room, outdoor kitchen, and a generous sun deck.

Expansive southwest-facing views toward Mount Tamalpais give the intimate retreat a strong connection to the broader Marin landscape. Warm materials, sheltered interior spaces, and open-air amenities come together to create a relaxed, sociable escape that feels both private and immersed in nature.

‍

LOCATION: San Anselmo, Marin County, CA

DATE OF COMPLETION: Summer 2024

SIZE: 1,808 sq ft

‍

DESIGN PRINCIPAL: Cass Calder Smith

PROJECT ARCHITECT: Björn Steudte

 ‍

GENERAL CONTRACTOR: Pete Sandoval

STRUCTURAL ENGINEER: Joseph H. Roger

LIGHTING DESIGNER: Luminesce Design

POOL CONTRACTOR: Mike Nielson, Tropical Pools

SAUNA CONTRACTOR: Jeff Schilling, Pacific Sauna and Steam

‍

PHOTOGRAPHY: Cass Calder Smith, Björn Steudte

Marin Private Hill SpaMarin Private Hill SpaMarin Private Hill SpaMarin Private Hill Spa

MARIN PRIVATE HILL SPA | SAN ANSELMO

Marin Private Hill Spa is a private retreat created for the owner and his close friends. Set between two residences belonging to the same owner, the spa is discreetly embedded into a steep hillside, creating a secluded setting for relaxation, gathering, and enjoying the surrounding landscape.

The hillside beside one of the residences was excavated to accommodate the spa, with a new deck built above it to extend the house’s outdoor living space. Constructed entirely of redwood, the retreat includes a small pool, sauna, steam room, bathroom, napping room, outdoor kitchen, and a generous sun deck.

Expansive southwest-facing views toward Mount Tamalpais give the intimate retreat a strong connection to the broader Marin landscape. Warm materials, sheltered interior spaces, and open-air amenities come together to create a relaxed, sociable escape that feels both private and immersed in nature.

‍

LOCATION: San Anselmo, Marin County, CA

DATE OF COMPLETION: Summer 2024

SIZE: 1,808 sq ft

‍

DESIGN PRINCIPAL: Cass Calder Smith

PROJECT ARCHITECT: Björn Steudte

 ‍

GENERAL CONTRACTOR: Pete Sandoval

STRUCTURAL ENGINEER: Joseph H. Roger

LIGHTING DESIGNER: Luminesce Design

POOL CONTRACTOR: Mike Nielson, Tropical Pools

SAUNA CONTRACTOR: Jeff Schilling, Pacific Sauna and Steam

‍

PHOTOGRAPHY: Cass Calder Smith, Björn Steudte

Marin Private Hill SpaMarin Private Hill SpaMarin Private Hill SpaMarin Private Hill Spa

MARIN PRIVATE HILL SPA | SAN ANSELMO

Marin Private Hill Spa is a private retreat created for the owner and his close friends. Set between two residences belonging to the same owner, the spa is discreetly embedded into a steep hillside, creating a secluded setting for relaxation, gathering, and enjoying the surrounding landscape.

The hillside beside one of the residences was excavated to accommodate the spa, with a new deck built above it to extend the house’s outdoor living space. Constructed entirely of redwood, the retreat includes a small pool, sauna, steam room, bathroom, napping room, outdoor kitchen, and a generous sun deck.

Expansive southwest-facing views toward Mount Tamalpais give the intimate retreat a strong connection to the broader Marin landscape. Warm materials, sheltered interior spaces, and open-air amenities come together to create a relaxed, sociable escape that feels both private and immersed in nature.

‍

LOCATION: San Anselmo, Marin County, CA

DATE OF COMPLETION: Summer 2024

SIZE: 1,808 sq ft

‍

DESIGN PRINCIPAL: Cass Calder Smith

PROJECT ARCHITECT: Björn Steudte

 ‍

GENERAL CONTRACTOR: Pete Sandoval

STRUCTURAL ENGINEER: Joseph H. Roger

LIGHTING DESIGNER: Luminesce Design

POOL CONTRACTOR: Mike Nielson, Tropical Pools

SAUNA CONTRACTOR: Jeff Schilling, Pacific Sauna and Steam

‍

PHOTOGRAPHY: Cass Calder Smith, Björn Steudte

MARIN PRIVATE HILL SPA | SAN ANSELMO

Marin Private Hill Spa is a private retreat created for the owner and his close friends. Set between two residences belonging to the same owner, the spa is discreetly embedded into a steep hillside, creating a secluded setting for relaxation, gathering, and enjoying the surrounding landscape.

The hillside beside one of the residences was excavated to accommodate the spa, with a new deck built above it to extend the house’s outdoor living space. Constructed entirely of redwood, the retreat includes a small pool, sauna, steam room, bathroom, napping room, outdoor kitchen, and a generous sun deck.

Expansive southwest-facing views toward Mount Tamalpais give the intimate retreat a strong connection to the broader Marin landscape. Warm materials, sheltered interior spaces, and open-air amenities come together to create a relaxed, sociable escape that feels both private and immersed in nature.

‍

LOCATION: San Anselmo, Marin County, CA

DATE OF COMPLETION: Summer 2024

SIZE: 1,808 sq ft

‍

DESIGN PRINCIPAL: Cass Calder Smith

PROJECT ARCHITECT: Björn Steudte

 ‍

GENERAL CONTRACTOR: Pete Sandoval

STRUCTURAL ENGINEER: Joseph H. Roger

LIGHTING DESIGNER: Luminesce Design

POOL CONTRACTOR: Mike Nielson, Tropical Pools

SAUNA CONTRACTOR: Jeff Schilling, Pacific Sauna and Steam

‍

PHOTOGRAPHY: Cass Calder Smith, Björn Steudte

MARIN PRIVATE HILL SPA | SAN ANSELMO

Marin Private Hill Spa is a private retreat created for the owner and his close friends. Set between two residences belonging to the same owner, the spa is discreetly embedded into a steep hillside, creating a secluded setting for relaxation, gathering, and enjoying the surrounding landscape.

The hillside beside one of the residences was excavated to accommodate the spa, with a new deck built above it to extend the house’s outdoor living space. Constructed entirely of redwood, the retreat includes a small pool, sauna, steam room, bathroom, napping room, outdoor kitchen, and a generous sun deck.

Expansive southwest-facing views toward Mount Tamalpais give the intimate retreat a strong connection to the broader Marin landscape. Warm materials, sheltered interior spaces, and open-air amenities come together to create a relaxed, sociable escape that feels both private and immersed in nature.

‍

LOCATION: San Anselmo, Marin County, CA

DATE OF COMPLETION: Summer 2024

SIZE: 1,808 sq ft

‍

DESIGN PRINCIPAL: Cass Calder Smith

PROJECT ARCHITECT: Björn Steudte

 ‍

GENERAL CONTRACTOR: Pete Sandoval

STRUCTURAL ENGINEER: Joseph H. Roger

LIGHTING DESIGNER: Luminesce Design

POOL CONTRACTOR: Mike Nielson, Tropical Pools

SAUNA CONTRACTOR: Jeff Schilling, Pacific Sauna and Steam

‍

PHOTOGRAPHY: Cass Calder Smith, Björn Steudte

MARIN PRIVATE HILL SPA | SAN ANSELMO

Marin Private Hill Spa is a private retreat created for the owner and his close friends. Set between two residences belonging to the same owner, the spa is discreetly embedded into a steep hillside, creating a secluded setting for relaxation, gathering, and enjoying the surrounding landscape.

The hillside beside one of the residences was excavated to accommodate the spa, with a new deck built above it to extend the house’s outdoor living space. Constructed entirely of redwood, the retreat includes a small pool, sauna, steam room, bathroom, napping room, outdoor kitchen, and a generous sun deck.

Expansive southwest-facing views toward Mount Tamalpais give the intimate retreat a strong connection to the broader Marin landscape. Warm materials, sheltered interior spaces, and open-air amenities come together to create a relaxed, sociable escape that feels both private and immersed in nature.

‍

LOCATION: San Anselmo, Marin County, CA

DATE OF COMPLETION: Summer 2024

SIZE: 1,808 sq ft

‍

DESIGN PRINCIPAL: Cass Calder Smith

PROJECT ARCHITECT: Björn Steudte

 ‍

GENERAL CONTRACTOR: Pete Sandoval

STRUCTURAL ENGINEER: Joseph H. Roger

LIGHTING DESIGNER: Luminesce Design

POOL CONTRACTOR: Mike Nielson, Tropical Pools

SAUNA CONTRACTOR: Jeff Schilling, Pacific Sauna and Steam

‍

PHOTOGRAPHY: Cass Calder Smith, Björn Steudte

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