DriversRecommendedOutdated drivers can make a good PC feel brokenScan driver issues before chasing fixes manually.Scan NowHalloween DealsAmazon USHalloween week deals: useful picks before month-endAmazon US: current deals, useful picks and tech finds.Check DealsSlow PC?RecommendedPC slow today? Run a repair scan before it gets worseResolve common Windows issues and optimize system performance.Scan Now×
ThatPainter
Blog

Diamond ADU in Sonoma: S^A’s Low-Profile Pavilion for Country Living

Diamond ADU is S^A’s 1,200-square-foot Sonoma accessory dwelling unit, shaped by rural outbuildings, a low roof tucked into oaks and a continuous skylight that organizes the interior.

By ThatPainter Team 18 October 2026
Drivers · Free Tool

Crashes, No Sound, or Screen Glitches?

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.

Find the Right Drivers →Free scan · under a minute

As an Amazon Associate I earn from qualifying purchases.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

ThatPainter is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Learn More

What’s actually slowing this PC down?

Pick the symptom - the matching free tool is one click away.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Diamond ADU is a 1,200-square-foot accessory dwelling unit in Sonoma, California, designed by S^A | Schwartz and Architecture and completed in 2022. Set on a six-acre property with an existing house and outbuildings, it borrows the character of weathered agricultural structures without imitating a barn. A lowered roof, placement among oak trees and a full-length linear skylight make the small building recede into its site while keeping the interior bright. The published record documents its design intent, systems and specifications, but not construction cost, owner identity or measured energy performance.

#1 Best Overall
Sale
Pro Grade Paint Brushes, Paint Brush Set for Walls, Trim & Stain, 5-Piece | Interior & exterior | Cabinets, doors, furniture, decks | For latex & oil-based | Synthetic bristles, Softwood handles
  • COMPLETE 5-PIECE BRUSH SET FOR EVERY PAINTING TASK — Includes 1 Inch Flat, 1.5 Inch Angle, 2 Inch Flat, 2 Inch Angle Stubby, and 2.5 Inch Angle brush giving you every size professional painters use daily. Get all 5 for less than the price of a single brush from hardware store brands — professional grade performance at a fraction of the cost. Perfect for walls, trim, cabinets, doors, furniture, and detailed cutting-in work on any project.
  • ZERO BRISTLE LOSS — GUARANTEED BY PRECISION ADHESIVE BONDING — Every bristle is locked in place with precision-set adhesive that keeps them in the brush — not in your paint job. The coated steel ferrule provides structural support while the adhesive bond ensures clean performance on every stroke. Premium SRT synthetic filaments load more paint and release it evenly for a smooth streak-free finish on walls, ceilings, and trim. Works with latex, oil-based paint, primer, sealer, and wood stain.
  • INCLUDES THE ANGLE STUBBY MOST SETS LEAVE OUT — Professional painters know the 2 Inch Angle Stubby is the go-to brush for tight cabinet interiors, window sashes, inside corners, and detailed trim where standard angle brushes are too long. Combined with the 1.5 and 2.5 inch angle sash brushes you have precision cutting-in covered at every scale — baseboards, crown molding, door casings, and ceiling lines.
  • FLAT BRUSHES FOR BROAD SMOOTH COVERAGE ON ANY SURFACE — The 1 and 2 inch flat brushes deliver even coverage on walls, furniture, shelving, doors, fences, decks, and wood surfaces. Ideal for applying primers, stains, varnishes, polyurethane, and specialty coatings. Solid wood handles provide all-day comfort and control for both professional contractors and weekend DIY homeowners tackling interior or exterior painting projects.
  • TRUSTED BY PROFESSIONAL PAINTERS AND CONTRACTORS NATIONWIDE — Pro Grade delivers professional-grade results at a price that makes sense for crews who go through brushes on every job. Ideal for property managers, remodeling contractors, apartment turnover crews, maintenance teams, and commercial painting operations. Backed by thousands of verified reviews from working painters. Washable and reusable for multiple projects.

What the Diamond ADU is

Diamond ADU is a detached accessory dwelling unit (ADU) by S^A | Schwartz and Architecture in Sonoma, California. S^A dates the project to 2022. Architectural Record describes a 1,200-square-foot building and a June 2022 completion, while the AIA Redwood Empire listing records August 1, 2022. Those records differ on the month, so the most defensible description is a 1,200-square-foot Sonoma ADU completed in 2022, with the month attributed to the specific source.

The unit sits on a six-acre property that already contains a main house and outbuildings. The owner and total construction cost are withheld in both the Architectural Record account and the AIA listing; there is no reliable basis for estimating either figure.

S^A presents the project as a contemporary country home rather than a replica of a rural shed. The firm’s description says it is “Neither an unconsidered ‘modern farmhouse’ nor the literal ruins of a de-constructing rural barn,” but a home intended to feel “alive—complete, but always in process.” Architectural Record attributes the shorter phrase to S^A founder Neal Schwartz, who also describes the strange elegance of Sonoma’s rural relics.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

How the design responds to Sonoma’s farm buildings

A reference, not a replica

Old agricultural structures scattered through Sonoma wine country supplied the conceptual starting point. Their appeal comes from weathering, utility and an unforced relationship with the landscape. Diamond ADU translates those qualities into a new building with precise detailing instead of faux ruin or decorative farmhouse styling.

From the road, the ADU can appear relatively conventional. Move around the property, however, and the roof seems to vanish in places, allowing the building to read as a pavilion. This changing perception is a deliberate effect of the low roofline, the surrounding oak canopy and the restrained exterior palette.

Rank #2
Soucolor Acrylic Paint Brushes Set, 20 Pcs Pointed Tip Artist Paintbrushes | Soft,No-Shed Bristles Art Supplies for Pumpkin Decorating Kit & Halloween Crafts,Acrylic Oil Watercolor Canvas Rock Nail&Face
  • Great Value Pack Artist Paint Brushes: Soucolor 20 brushes in 10 sizes professional paintbrushes set — no shedding, holds paint well, cleans easily, Acrylic, watercolor, oil, gouache, Halloween pumpkin decoration & face painting, rock painting, ceramics. Fantastic high quality gifts for creative, artistic siblings to share!
  • Awesome Set of Paint brushes: Professional paint brushes can cover all of your needs. The multi-purposed brushes are ideal for Watercolor, Oil, Gouache, enamel, Acrylic Painting, Body, Nail, Face Painting, Miniature, Model, Wood, Glass, Cup, Ceramic, Fine work, Art class, Craft Art Painting, DIY Art Crafts etc.
  • Soft and long-lasting: The bristles are soft and strong, with nickel metal ferrules and blue wooden handles. After cleaning, the bristles will become soft and fluffy again and will not fall off.
  • Easy to clean: it’s very convenient to Wash well in soap and water. Retain shape after drying. the brushes hold up very well. Nice selection to beginners and professionals. Keep them clean and they last a long time.
  • Halloween Pumpkin Ceramic Crafts Supplies: A Great painting gift for family, friends, kids, girls, women, student, classmate, teacher. For using in school, travel or used in the home and office.

Lowering the building into the site

S^A lowered the new structure relative to the existing buildings and tucked it into a grove of oak trees. The strategy reduces the apparent height and limits long views of the roof and walls. Architectural Record likewise emphasizes the lower roofline and the grove as the principal measures that reduce visual impact.

This is a site-planning decision as much as an aesthetic one. Instead of competing with the main house or announcing a separate object in an open field, the ADU occupies a quieter position among established vegetation. The result is a building that becomes more legible as a pavilion from some angles and more house-like from others.

Free tools Windows power users keep installed

One-click scans. No signup required.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Arrival sequence

Architectural Record describes an exposed-timber entrance overhang and a vestibule. These elements create a sheltered threshold between the outdoor site and the compact interior. The overhang also gives the entry a tactile, agricultural reference without copying a historic detail literally.

How daylight shapes the interior

The continuous linear skylight

The defining interior move is a long, linear skylight that runs through the building. It divides the interior while bringing daylight deep into the plan. S^A identifies capturing the site’s natural light as a primary design agenda, and Architectural Record places the skylight at the center of that strategy.

Rather than relying only on windows in the exterior walls, the roof opening introduces light along the length of the ADU. That approach is particularly useful in a compact linear plan, where rooms farther from the perimeter could otherwise depend on borrowed light. The skylight also gives the interior a changing connection to the sky as sun, cloud cover and season shift.

Rank #3
AROIC 10 Pcs Paint Brushes, Acrylic Oil Watercolor Painting Brush Set | Nylon Hair Brushes Artist Professional Drawing Kits for Adult, Kids Face Canvas Rock Painting Arts Crafts Supplies(1 Pack)
  • 【All sizes of art brushes】: The 10 sizes of multi-functional brushes have various shapes, making the mixing color easier, which is very suitable for artists, students, teenagers, children and painters at all levels. Wonderful Present ideas for friends and family who like painting!
  • 【general brush set】: Professional paint brush can meet all your needs. Multifunctional brush is very suitable for watercolor, oil, gouache, acrylic painting, body, nail, face painting, miniature, model, ceramics, arts and crafts painting, etc.
  • 【high quality process】: It is designed with anti falling bristles, anti-rust nickel ferrule and solid wood handle. You can use the brush to focus on the painting and always be creative.
  • 【easy to maintain】: After using the brush, it is very convenient to clean the brush with warm soapy water and reshape the tip of the brush. Air dry the brush and place it on top of the top for long use.
  • 【100% satisfaction guarantee - buy now】1 packs of set brushes, you can also get friendly customer service, any questions feel free to contact us, within 24 hours to help you! There is no risk in buying our paint brush kit.

Light as an organizing device

The skylight is not simply an overhead window added after the plan was set. Its position divides the space and helps establish the sequence of rooms and circulation. The resulting line acts as an interior datum: occupants read the building through the band of light as much as through walls or furniture.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Because the roofline is intentionally subdued from outside, the skylight provides an interior counterpoint. The exterior blends into trees and terrain; the interior is marked by a precise, luminous incision.

Lighting after dark

Loisos + Ubbelohde developed the lighting design collaboratively with the clients, architect and contractors. Their project description identifies three principal fixture strategies:

  • Recessed linear fixtures integrated into the skylight wells, extending the daylight element into evening hours.
  • Diffusing pendants in the entry volume, adding a softer focal glow at the arrival space.
  • Unobtrusive recessed downlights for general illumination without competing with the architecture.

This layered approach distinguishes ambient, entry and architectural lighting rather than treating every room with identical downlights. Integrating linear sources into the skylight wells preserves the central design idea when daylight is gone, while the pendants give the vestibule a more intimate scale.

Sustainability and building systems: what is documented

Off-grid readiness

Architectural Record describes the property as off-grid ready, with photovoltaics, a well and a septic system. Those provisions indicate that the ADU was planned to function with on-site power and water infrastructure where appropriate. They do not establish that the building operates entirely off-grid, nor do the published sources provide annual energy use, water-use data, a certification or a measured performance rating.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.
Rank #4
Sale
Bates- Paint Brushes, 6 Pack, Treated Wood Handle Brushes for Walls | for Stain Application and Interior Painting Projects
  • Bates paint brushes come in a convenient 6 pieces with 3 flat and 3 angled bristle styles, including (1”, 1.5”, 2”) flat and (1.5”, 2”, 2.5”) angled bristles, perfect for tackling any surface painting or staining job.
  • The sturdy natural bristles of each brush are designed to hold more paint, creating a smoother finish with fewer streaks and saving you time on the job.
  • The lightweight wooden handles provide extra comfort and ease during long painting processes like walls, trims, cabinets, and doors.
  • These versatile brushes are ready-to-use, easy to clean, and can be reused multiple times, making them economical as well as reliable tools for any painting project.
  • Bates paint brushes can be used for both oil-based paints as well as latex stains and are ideal for home or commercial projects such as decks, fences or DIY painting jobs.

Passive heating and cooling

The ADU was oriented to use passive heating and cooling strategies rather than rely entirely on mechanical systems. Orientation, the compact form, roof design, openings and the surrounding trees all contribute to the environmental concept, but the project record does not publish modeled loads, indoor temperature data or a quantified percentage of passive conditioning.

Material sourcing

The material palette prioritizes locally sourced, sustainable domestic materials for siding, roofing, lime plaster, countertops and tile, according to Architectural Record. “Sustainable” here describes the project’s stated design priority; no environmental product declarations, embodied-carbon totals or chain-of-custody documentation are supplied in the published accounts.

Published materials and product specifications

The following names come from the project specification published by Architectural Record. They document what was specified for Diamond ADU, not a current recommendation, warranty or confirmation that every product remains available.

Category Published specification
Exterior wood cladding reSAWN Timber Co.
Roofing Standing-seam metal roofing
Windows Kolbe wood- and metal-frame windows
Skylights CrystaLite skylights
Large openings Fleetwood multi-slide doors
Locksets Baldwin and Emtek
Special hardware Sugatsune
Paints and stains Benjamin Moore and Rubio Monocoat
Interior plaster Tadelakt plaster by Mineral Concept
Lighting and controls Specified interior and exterior fixtures with Lutron lighting controls
Kitchen and bath sinks Kohler
Kitchen faucet Hansgrohe
Bath fixtures Gessi

The specification also credits Fairweather & Associates for wood doors and custom woodwork and Mineral Concept for the plaster work. Product selection alone does not reveal the exact dimensions, performance ratings, installation details or maintenance requirements of the installed assemblies.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Support on Ko-Fi

Plan, scale and the experience of a small footprint

At 1,200 square feet, Diamond ADU is large enough to support a complete dwelling but compact enough that circulation, storage and daylight must work together. The published material does not provide a room-by-room plan or additional dimensions, so a precise bedroom count or square-foot allocation should not be inferred.

Best Value
Sale
Pro Grade Paint Brushes, 2 Inch Angled Paint Brush, Trim & Walls, 3 Pack
  • 2 Inch Angled Paint Brush for Precision Cutting-In – Designed for clean, sharp lines around trim, baseboards, ceilings, corners, and detailed edge work. The perfect size for control and coverage.
  • Value 3-Pack for Pros & DIY Projects – Includes three professional 2-inch angled sash brushes — ideal for contractors, remodelers, and homeowners tackling multiple rooms or repeat paint jobs.
  • Smooth Results on Walls, Trim & Cabinets – Great for interior wall painting, cabinet edges, furniture projects, and trim work where a smooth finish and crisp control matter most.
  • Works with Latex Paint, Oil-Based Paint & Stains – Premium synthetic filaments hold more paint, reduce streaks, and provide a clean finish with latex paints, oil coatings, and wood stains.
  • Works with Latex Paint, Oil-Based Paint & Stains – Premium synthetic filaments hold more paint, reduce streaks, and provide a clean finish with latex paints, oil coatings, and wood stains.

The available descriptions point to a sequence rather than a collection of isolated rooms: an exposed-timber entry overhang, a vestibule, an interior organized by the skylight and a series of framed views toward the oak grove. Multi-slide doors and the pavilion-like reading of the roof suggest a strong relationship between inside and outside, but the sources do not state the door sizes, glazing area or exact orientation of each opening.

Project team and recognition

S^A | Schwartz and Architecture led the design. Architectural Record credits principals Wyatt Arnold and Laura Huylebroeck on the project team. The broader team includes:

  • Fairweather & Associates — contractor, wood doors and custom woodwork
  • Stranberg Engineering — structural engineering
  • Loisos + Ubbelohde — lighting design
  • Huettl Landscape Architecture — landscape architecture
  • Mineral Concept — plaster consultant
  • Bruce Damonte — photography

The AIA Redwood Empire listing identifies the entry as built residential design in Sonoma and records both a COTE: Honorable Mention and a Merit Award for 2024. These honors recognize the completed project; they are not evidence of a particular energy-use result.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

What the project proves—and what it does not

Established by the published record

  • A 1,200-square-foot ADU in Sonoma, completed in 2022.
  • A six-acre setting with an existing main house and outbuildings.
  • A lowered, tree-embedded massing strategy inspired by rural agricultural structures.
  • A full-length linear skylight that organizes the interior and delivers daylight.
  • Lighting integrated into the skylight wells, plus pendants and recessed downlights.
  • Photovoltaics, a well, septic and passive heating/cooling provisions described as part of an off-grid-ready approach.
  • A published specification covering cladding, roofing, windows, doors, finishes, plumbing fixtures and controls.

Not published in the available accounts

  • Total construction cost and owner identity.
  • Annual energy or water consumption.
  • A formal energy, passive-house or green-building rating.
  • Detailed floor-plan dimensions, room schedule and mechanical-equipment data.
  • Proof that the ADU operates independently of the utility grid in all seasons.

Lessons for designing a similar ADU

Start with visibility, not style

Diamond ADU’s strongest lesson is to solve how a new building will be seen before choosing a stylistic label. Lowering the roof, preserving mature trees and aligning the structure with existing outbuildings can reduce visual impact more effectively than adding farmhouse details.

Use one strong daylight idea

A continuous skylight can provide orientation, daylight and an architectural identity at once. It requires careful coordination of waterproofing, shading, glare control, structure and artificial lighting. The Diamond ADU example shows the value of designing those layers together rather than treating the skylight as a late upgrade.

Separate documented performance from intent

Photovoltaics, a well, septic and passive strategies are meaningful provisions, but they are not the same as verified operating performance. Anyone adapting this approach should request energy modeling, equipment schedules, commissioning information and post-occupancy data before claiming that a new ADU is net-zero or fully off-grid.

Treat specifications as a starting point

The named products demonstrate one project’s coordinated palette. Local code, climate, lead times, maintenance, installer expertise and current availability may lead another project to different choices. The architectural principles—durable materials, controlled daylight and a quiet relationship to vegetation—are more transferable than any single manufacturer or finish.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

Recommended PC Tool
Recommended PC Tool
PC Slower Than It Used to Be?Free scan - under a minute
Crashes, No Sound, or Screen Glitches?Free driver scan

Two free Windows tools

One Free Minute Could Fix That PC

Before you go - each of these free tools takes about a minute and tackles what quietly slows a Windows PC down.

Special offer. View Outbyte info, uninstall instructions, EULA, and Privacy Policy.