Sandra Costa approaches every property as a one-of-a-kind design experience—never repeated, never predictable. Each project is treated as a standalone vision, carefully shaped around the client's individuality, the architecture, and the lifestyle it is meant to elevate. Her work is not driven by trends, but by an instinctive ability to translate personality into environments that feel both effortless and extraordinary. Over the years, Sandra Costa has built a reputation for delivering highly customized designs with precision and integrity—consistently completing projects on time and often under budget. This rare combination of creativity and discipline gives clients exceptional design and confidence throughout the process. The result is more than a finished space—it is a signature environment that reflects a level of thought, care, and originality that cannot be replicated.A great room featuring LED lighting and remote control recliner seating. The floors are imported Italian porcelain tile with radiant heated areas.

Set on a narrow hillside lot overlooking the San Francisco Bay in Point Richmond, California, Bay Heirloom is a Mid-Century Modern family home restored, modernized and adapted for contemporary living. Oriented south-southwest toward the Marin Headlands, with views of the Golden Gate Bridge, the residence captures shifting Bay light throughout the day, from fog-muted mornings to vivid, glowing sunsets. The home was built by Karlyn Neel’s grandfather, the owner of the construction company Flo-Crete, one of the Bay Area’s early concrete pumping firms. Flo-Crete completed the foundation and structural concrete work, with family photographs documenting the original cinderblock walls and pours. The firm also contributed to major regional infrastructure projects, including the Transbay BART tube and Candlestick Park, situating the house within a broader legacy of Bay Area construction. Growing up, Neel spent considerable time in the home, developing an early appreciation for mid-century modern principles. Instead of parting with this family heirloom, she purchased the home from her grandfather’s estate. While her grandfather continued to live in the Point Richmond house, Neel purchased a Mid-Century Modern residence in Palm Desert. In contrast to the Bay Area’s cool temperatures, salt air, and persistent winds, the desert home is shaped by heat and sun and requires a different material response. A substantial renovation she led there emphasized thermal performance, filtered light, and restrained detailing. The experience later informed the restoration of her Bay Area family home. What began as a modest Mid-Century Modern update expanded when decades of exposure to marine conditions revealed leaks and significant structural and seismic deficiencies. Neel was determined to honor her grandfather’s perseverance and without hesitation pivoted to a much more intensive project. Addressing these challenges required close coordination between Neel, Klopf Architecture and Kasten Builders, with architectural restraint and construction precision guiding each intervention. Rather than alter the home’s defining features, the project focused on reinforcing the structure from within. Discreet beams were embedded along the rear facade and in an upstairs wall, strengthening the building while maximizing the wall of glass facing the Bay and opening the wall between the kitchen and the living space. These structural interventions allowed the space to open fully to the Bay without visual interruption, with the kitchen repositioned as the social and functional core of an open, continuous living space. The building envelope was updated using weather- and corrosion-resistant materials appropriate to the marine environment. The house unfolds vertically from the street, beginning with a modest garage level and workshop, with the main living spaces located below. Original slate flooring at the entry was preserved, along with select furnishings and artwork collected by Neel’s grandfather, anchoring the restored interior in its past. A restrained palette of black accents and pale, natural finishes replaces darker wood tones, reinforcing openness and calm. A naturally illuminated stair connects to the lowest level, where a former basement was transformed into a guest suite and family room opening onto a deck. From there, steps lead directly to a small concrete boat ramp at the water’s edge. Throughout the project, decisions were guided by continuity rather than transformation for its own sake. Lessons drawn from both desert and coastal climates informed a material strategy rooted in performance and restraint. Bay Heirloom stands as a measured evolution of a family house, structurally renewed and carefully modernized, grounded in the discipline and care that first shaped it. Klopf Architecture Project Team: John Klopf, AIA, Angela Todorova and Fernanda Bernardes Landscape Architect: Huettl Landscape Architecture General Contractor: Kasten Builders Photography: ©2025 Mariko Reed Year Completed: 2022 Location: Point Richmond, CA

The kitchen was developed as a primary architectural element of the home rather than a standalone room. Cabinetry layout, appliance integration, and material transitions were resolved during the design selection phase to maintain clear sightlines and balanced proportions within the open plan. A custom wood island introduces controlled warmth against lighter perimeter cabinetry, establishing material contrast without visual disruption. Stone surfaces, integrated storage, and restrained hardware contribute to a disciplined palette that emphasizes continuity and permanence over ornament. Overscale pendants provide vertical structure and rhythm while preserving openness above the island. The result is a kitchen that reads as architectural millwork — scaled for gathering, built for daily use, and fully integrated into the home’s spatial framework.

Refined Continuity: Bridging Classical Architecture and Modern Living This comprehensive remodel of a grand Cow Hollow residence reimagines a historically expressive envelope through a lens of contemporary livability, precision detailing, and material restraint. The design approach carefully balances the home’s classical proportions and ornamental heritage with a refined, modern sensibility—evident in the disciplined palette of warm neutrals, soft plasters, pale oak flooring, and tailored millwork. Circulation has been clarified and subtly expanded to enhance spatial flow, while openings are leveraged to capture light, garden outlooks, and distant water views. Throughout, architectural interventions are executed with a high level of craft, ensuring that new insertions—whether cabinetry, railings, or apertures—read as seamless continuations of the original structure rather than applied elements. The kitchen serves as the operational and visual anchor of the home, conceived as a sculptural yet highly functional environment. Custom rift-cut cabinetry, softened through a desaturated finish, is paired with honed stone surfaces and integrated brass hardware to create a quiet, tactile richness. A monolithic island establishes a central gathering point, while perimeter work zones are carefully layered with concealed storage, integrated appliances, and open, backlit shelving that elevates everyday objects into curated displays. The adjacent bar and entertaining areas extend this language, reinforcing a cohesive hospitality-driven program. In parallel, the primary bathroom is designed as a serene, spa-like retreat, where bookmatched stone, frameless glass enclosures, and finely detailed metalwork converge. The composition prioritizes symmetry, clarity, and light—balancing generous volumes with intimate moments through integrated lighting, custom vanities, and a restrained material hierarchy. The library and ancillary living spaces introduce a more intimate scale, anchored by bespoke built-ins that combine closed storage with illuminated display niches, creating depth and rhythm along the walls. Here, material transitions and furniture integration are handled with particular nuance, allowing the architecture to support both quiet retreat and social gathering. A continuous language of custom railings—executed in refined metal profiles—threads through the interior and extends outward, where the exterior gate and garden elements have been reinterpreted to align with the home’s renewed identity. The entry sequence is now defined by a calibrated interplay of solidity and transparency, with sculptural metalwork and landscape integration establishing a sense of arrival that is both secure and elegant. Collectively, the project reflects a holistic transformation—one that elevates performance, livability, and aesthetic clarity while preserving the inherent dignity of the original architecture.

Refined Continuity: Bridging Classical Architecture and Modern Living This comprehensive remodel of a grand Cow Hollow residence reimagines a historically expressive envelope through a lens of contemporary livability, precision detailing, and material restraint. The design approach carefully balances the home’s classical proportions and ornamental heritage with a refined, modern sensibility—evident in the disciplined palette of warm neutrals, soft plasters, pale oak flooring, and tailored millwork. Circulation has been clarified and subtly expanded to enhance spatial flow, while openings are leveraged to capture light, garden outlooks, and distant water views. Throughout, architectural interventions are executed with a high level of craft, ensuring that new insertions—whether cabinetry, railings, or apertures—read as seamless continuations of the original structure rather than applied elements. The kitchen serves as the operational and visual anchor of the home, conceived as a sculptural yet highly functional environment. Custom rift-cut cabinetry, softened through a desaturated finish, is paired with honed stone surfaces and integrated brass hardware to create a quiet, tactile richness. A monolithic island establishes a central gathering point, while perimeter work zones are carefully layered with concealed storage, integrated appliances, and open, backlit shelving that elevates everyday objects into curated displays. The adjacent bar and entertaining areas extend this language, reinforcing a cohesive hospitality-driven program. In parallel, the primary bathroom is designed as a serene, spa-like retreat, where bookmatched stone, frameless glass enclosures, and finely detailed metalwork converge. The composition prioritizes symmetry, clarity, and light—balancing generous volumes with intimate moments through integrated lighting, custom vanities, and a restrained material hierarchy. The library and ancillary living spaces introduce a more intimate scale, anchored by bespoke built-ins that combine closed storage with illuminated display niches, creating depth and rhythm along the walls. Here, material transitions and furniture integration are handled with particular nuance, allowing the architecture to support both quiet retreat and social gathering. A continuous language of custom railings—executed in refined metal profiles—threads through the interior and extends outward, where the exterior gate and garden elements have been reinterpreted to align with the home’s renewed identity. The entry sequence is now defined by a calibrated interplay of solidity and transparency, with sculptural metalwork and landscape integration establishing a sense of arrival that is both secure and elegant. Collectively, the project reflects a holistic transformation—one that elevates performance, livability, and aesthetic clarity while preserving the inherent dignity of the original architecture.

Margaret's Walk. Little history behind the name... Highly disciplined, Margaret Seton Fleming had a working knowledge of trade, business and politics, as well as domestic subjects. In 1837, she moved to Hibernia Plantation with her new husband, Lewis Fleming, whose father George had received Fleming Island as a 1790 land grant from the king of Spain. In the years to come, she would twice witness the destruction of the plantation and twice bring it back from ashes. Her dream from the time she arrived at Hibernia as a 24-year-old bride was to have a "proper chapel" on the grounds. Construction on the church in the Carpenter Gothic style was begun in 1875 and completed in 1878. Sadly, Margaret died only months before its completion and its first service was her funeral.

Photo: Bjorg Magnea www.bjorgmagnea.com Architects: Spatial Discipline
Minimalist living room photo in New York

One suite bath within our ongoing work at a private estate in Denver's Polo Club, where Divergent serves as general contractor. The existing room was original to the house — rojo alicante counters, a travertine shower, and basketweave mosaic that had aged past repair. Rather than refinish, we rebuilt the room around a several slabs of Emerald Quartzite. Every stone surface in the room comes from those slabs, sequenced and mitered so the veining runs uninterrupted: the vanity deck, the full-height integral backsplash, both basins — carved and mitered rather than dropped in — and the shower jambs, which wrap the opening in a continuous 3" return. Nothing about it is off-the-shelf. Around the stone: hand-troweled plaster walls, a limestone floor set on the diagonal with inlaid walnut banding, custom millwork tying the ceiling line to the mirrors, backlit mirrors integrated flush into the millwork, and painted inset cabinetry built to fit the room. The coordination here — stone fabricator, plaster artisan, trim carpenter, and lighting all landing to a shared tolerance — is the same discipline we bring to full custom homes and estate renovations on the Front Range. [Brayton Interiors] · [YK Stone] · [Underwood Concepts]

Inside, the home continues its disciplined aesthetic—open, airy, and rooted in natural texture. White oak floors, custom cabinetry, and stone countertops create a neutral foundation that highlights the home’s architectural lines. The open floor plan connects kitchen, dining, and living areas, while expansive window walls extend sightlines into the landscape. Mechanical and structural systems are discreetly integrated for comfort and performance. High-efficiency insulation, HVAC zoning, and moisture control ensure long-term durability and efficiency. Outdoor living areas—terraces, porches, and patios—mirror the main structure’s material language, with continuous stone and wood elements that blur the boundary between interior and exterior. Every joint, reveal, and finish at Summit Ridge exemplifies CarsonSpeer Builders’ dedication to authenticity, proportion, and craftsmanship. This modern Southern residence stands as a testament to timeless design—crafted to endure, inspire, and live beautifully within its mountain setting.

For this primary bedroom redesign, the client envisioned a retreat that would provide a sense of escape and tranquility. The room was designed with a moody atmosphere, blending deep, rich colors that envelop the space in a cocoon of comfort. Color drenching was used on the walls, creating a seamless flow of hues that added depth and warmth. A stunning mural wallpaper became a focal point, its intricate design bringing an artistic, yet serene element to the room. To elevate the ambiance, a statement light fixture was carefully selected, adding a touch of luxury and drawing attention upward. Every element was thoughtfully curated to transform the space into a peaceful sanctuary, offering both beauty and relaxation in equal measure.

Inside, the home continues its disciplined aesthetic—open, airy, and rooted in natural texture. White oak floors, custom cabinetry, and stone countertops create a neutral foundation that highlights the home’s architectural lines. The open floor plan connects kitchen, dining, and living areas, while expansive window walls extend sightlines into the landscape. Mechanical and structural systems are discreetly integrated for comfort and performance. High-efficiency insulation, HVAC zoning, and moisture control ensure long-term durability and efficiency. Outdoor living areas—terraces, porches, and patios—mirror the main structure’s material language, with continuous stone and wood elements that blur the boundary between interior and exterior. Every joint, reveal, and finish at Summit Ridge exemplifies CarsonSpeer Builders’ dedication to authenticity, proportion, and craftsmanship. This modern Southern residence stands as a testament to timeless design—crafted to endure, inspire, and live beautifully within its mountain setting.

Attanasio Landscape Architecture, A Nevada Professional Corporation, (ALA) has a single goal on all projects: To collaborate with quality clients and other consultants contributing talent, skills and discipline directed into a cohesive project vision. ALA take's great pride in providing our clients with projects which create a sense of place, engage and enrich the experiences of the people who use them, and are responsive to the environment.

Set on a narrow hillside lot overlooking the San Francisco Bay in Point Richmond, California, Bay Heirloom is a Mid-Century Modern family home restored, modernized and adapted for contemporary living. Oriented south-southwest toward the Marin Headlands, with views of the Golden Gate Bridge, the residence captures shifting Bay light throughout the day, from fog-muted mornings to vivid, glowing sunsets. The home was built by Karlyn Neel’s grandfather, the owner of the construction company Flo-Crete, one of the Bay Area’s early concrete pumping firms. Flo-Crete completed the foundation and structural concrete work, with family photographs documenting the original cinderblock walls and pours. The firm also contributed to major regional infrastructure projects, including the Transbay BART tube and Candlestick Park, situating the house within a broader legacy of Bay Area construction. Growing up, Neel spent considerable time in the home, developing an early appreciation for mid-century modern principles. Instead of parting with this family heirloom, she purchased the home from her grandfather’s estate. While her grandfather continued to live in the Point Richmond house, Neel purchased a Mid-Century Modern residence in Palm Desert. In contrast to the Bay Area’s cool temperatures, salt air, and persistent winds, the desert home is shaped by heat and sun and requires a different material response. A substantial renovation she led there emphasized thermal performance, filtered light, and restrained detailing. The experience later informed the restoration of her Bay Area family home. What began as a modest Mid-Century Modern update expanded when decades of exposure to marine conditions revealed leaks and significant structural and seismic deficiencies. Neel was determined to honor her grandfather’s perseverance and without hesitation pivoted to a much more intensive project. Addressing these challenges required close coordination between Neel, Klopf Architecture and Kasten Builders, with architectural restraint and construction precision guiding each intervention. Rather than alter the home’s defining features, the project focused on reinforcing the structure from within. Discreet beams were embedded along the rear facade and in an upstairs wall, strengthening the building while maximizing the wall of glass facing the Bay and opening the wall between the kitchen and the living space. These structural interventions allowed the space to open fully to the Bay without visual interruption, with the kitchen repositioned as the social and functional core of an open, continuous living space. The building envelope was updated using weather- and corrosion-resistant materials appropriate to the marine environment. The house unfolds vertically from the street, beginning with a modest garage level and workshop, with the main living spaces located below. Original slate flooring at the entry was preserved, along with select furnishings and artwork collected by Neel’s grandfather, anchoring the restored interior in its past. A restrained palette of black accents and pale, natural finishes replaces darker wood tones, reinforcing openness and calm. A naturally illuminated stair connects to the lowest level, where a former basement was transformed into a guest suite and family room opening onto a deck. From there, steps lead directly to a small concrete boat ramp at the water’s edge. Throughout the project, decisions were guided by continuity rather than transformation for its own sake. Lessons drawn from both desert and coastal climates informed a material strategy rooted in performance and restraint. Bay Heirloom stands as a measured evolution of a family house, structurally renewed and carefully modernized, grounded in the discipline and care that first shaped it. Klopf Architecture Project Team: John Klopf, AIA, Angela Todorova and Fernanda Bernardes Landscape Architect: Huettl Landscape Architecture General Contractor: Kasten Builders Photography: ©2025 Mariko Reed Year Completed: 2022 Location: Point Richmond, CA

Inside, the home continues its disciplined aesthetic—open, airy, and rooted in natural texture. White oak floors, custom cabinetry, and stone countertops create a neutral foundation that highlights the home’s architectural lines. The open floor plan connects kitchen, dining, and living areas, while expansive window walls extend sightlines into the landscape. Mechanical and structural systems are discreetly integrated for comfort and performance. High-efficiency insulation, HVAC zoning, and moisture control ensure long-term durability and efficiency. Outdoor living areas—terraces, porches, and patios—mirror the main structure’s material language, with continuous stone and wood elements that blur the boundary between interior and exterior. Every joint, reveal, and finish at Summit Ridge exemplifies CarsonSpeer Builders’ dedication to authenticity, proportion, and craftsmanship. This modern Southern residence stands as a testament to timeless design—crafted to endure, inspire, and live beautifully within its mountain setting.

This project was a fun collaboration with the creative genius behind Regina Andrew Design. All lighting fixtures and accessories by RAD. The simple, but disciplined, design of this monochrome kitchen provides a clean backdrop for a range of furnishings to compliment every season. Simple door and drawer styles, with elemental hardware and white backsplash, are understated and timeless. Floating wood shelves add drama to the mix.

Morgenroth Development is a fully licensed general contractor in Pleasanton, California, #700987. We offer a full-range of professional design and construction services. We have a team of excellent craftsmen exercising the highest quality in all disciplines. Since 1995 we have earned and retained clients by providing superior customer service and quality design.

On first glance, this staircase reads as restrained. White oak treads rise with natural warmth, metal balusters hold their disciplined rhythm, and the painted black railing traces a clean, straight path upward. Then you notice the elliptical stringer wrap, and the whole composition shifts. Unlike a circular curve drawn with a compass, an ellipse requires mathematical calculation and a craftsman who knows how to make that complexity disappear. Here, it does exactly that. Natural light finishes the story. Moving through the space across the day, it deepens the oak grain, catches the metal, and lets the black railing guide the eye along the handrail's elliptical path from start to finish. Restraint brought the design this far. One well-executed curve made it memorable. 1976-2026 © Century Stair Company

This guest bedroom renovation in Hollyburn, West Vancouver was designed to introduce warmth and architectural detail within a compact condo layout. Custom wall paneling adds dimension and subtle character, elevating the space beyond standard painted finishes while maintaining a clean, contemporary aesthetic. Large-format windows maximize natural light and connect the interior to the surrounding greenery typical of the Hollyburn neighbourhood. The updated trim, refined wall detailing, and balanced colour palette create a calm and inviting atmosphere suitable for both guests and everyday living. Arani Construction delivers organized condo renovations throughout West Vancouver, combining disciplined finish execution with thoughtful design integration tailored to North Shore residences.

On first glance, this staircase reads as restrained. White oak treads rise with natural warmth, metal balusters hold their disciplined rhythm, and the painted black railing traces a clean, straight path upward. Then you notice the elliptical stringer wrap, and the whole composition shifts. Unlike a circular curve drawn with a compass, an ellipse requires mathematical calculation and a craftsman who knows how to make that complexity disappear. Here, it does exactly that. Natural light finishes the story. Moving through the space across the day, it deepens the oak grain, catches the metal, and lets the black railing guide the eye along the handrail's elliptical path from start to finish. Restraint brought the design this far. One well-executed curve made it memorable. 1976-2026 © Century Stair Company