--- title: "Old Alt New LLC — Architects & Building Designers | Houzz" canonical_html_url: https://www.houzz.com/professionals/architects-and-building-designers/old-alt-new-llc-pfvwus-pf~1766469447 markdown_url: https://www.houzz.com/md/professionals/pf~1766469447.md entity_type: LocalBusiness business_name: "Old Alt New LLC" category: ["Architects"] image: https://st.hzcdn.com/fimgs/df932d540564c704_3368-w400-h400-b0-p0--.jpg address: "814 Fox Street, Denver, Colorado 80204, United States" latitude: 39.734 longitude: -105.0259 phone: "(585) 752-0066" website: http://www.oldaltnew.com rating: 5 review_count: 3 best_of_houzz_awards: 1 last_updated: 2026-08-21 --- # Old Alt New LLC Original Houzz profile: [Old Alt New LLC](https://www.houzz.com/professionals/architects-and-building-designers/old-alt-new-llc-pfvwus-pf~1766469447) ## Professional summary - **Primary category:** Architects - **Location:** Denver, CO - **Serves:** Denver, Indian Creek, Aurora, Lakewood, Thornton, Arvada, Centennial, Commerce City, Littleton, Northglenn, Englewood, Wheat Ridge, Sherrelwood, Golden, Welby, Greenwood Village, Federal Heights, Berkley, Derby, Applewood, Cherry Hills Village, Sheridan, West Pleasant View, Edgewater, Glendale, Columbine Valley, Bow Mar, Mountain View, North Washington, Morrison, East Pleasant View, Lakeside, Dupont - **Houzz rating:** 5.0 out of 5 (3 reviews) - **Best of Houzz:** 1 award (2025), for Service. ## About ### Houzz Badges - 10 Ideabook Saves - Locally owned - Eco-friendly - Offers Custom Work Old Alt New is an architecture, design, and consulting office in Denver, Colorado specializing in Passive House design (high-performance, low-embodied-carbon). Stewart Gohringer, Architect and Owner of Old Alt New, is a licensed Colorado architect with over 12 years of experience. Old Alt New believes that each project, big or small, is responsible for its social and environmental impact. Old Alt New designs residential buildings within existing urban neighborhoods, including single-family homes, accessory dwelling units, duplexes, small apartment buildings, renovations, deep energy retrofits, thoughtful additions, and new infill construction. Old Alt New is inspired by maximizing the utility of small spaces, employing low-carbon construction methods, and maintaining project simplicity from start to finish. Practical. Beautiful. Sustainable. Earnest. ### Services Provided - Architectural Design - Building Design - Home Remodeling - Architectural Drawings - Custom Homes - New Home Construction - Home Additions - Home Extensions - Sustainable Design - Energy-Efficient Homes - Floor Plans - 3D Rendering - Accessory Dwelling Units (ADUs) - Green Building - Space Planning - Guesthouse Design & Construction - Universal Design - Multigenerational Homes - Historic Building Conservation - Handicap-Accessible Design - Attic Conversion - Garage Design - Passive Solar Heating & Cooling ### Areas Served - Denver - Indian Creek - Aurora - Lakewood - Thornton - Arvada - Centennial - Commerce City - Littleton - Northglenn - Englewood - Wheat Ridge - Sherrelwood - Golden - Welby - Greenwood Village - Federal Heights - Berkley - Derby - Applewood - Cherry Hills Village - Sheridan - West Pleasant View - Edgewater - Glendale - Columbine Valley - Bow Mar - Mountain View - North Washington - Morrison - East Pleasant View - Lakeside - Dupont ### Typical Job Cost $25,000 - 2 million "First Date" Consultation: Free, Feasibility Study: $1,000 and up, Concept Design: $3,000 and up, Architectural Services Contract: $15,000 and up (TBD) ## Business Details | Field | Value | | --- | --- | | Business Name | Old Alt New LLC | | Address | 814 Fox Street, Denver, Colorado 80204, United States | | Phone | (585) 752-0066 | | Website | http://www.oldaltnew.com | | License Number | ARC.00406959 | **Social profiles:** - Facebook — https://www.instagram.com/oldaltnew/ - LinkedIn — https://www.linkedin.com/in/stewart-gohringer-6541161b/ ## Contact - **Houzz profile:** [Old Alt New LLC](https://www.houzz.com/professionals/architects-and-building-designers/old-alt-new-llc-pfvwus-pf~1766469447) - **Website:** http://www.oldaltnew.com - **Phone:** (585) 752-0066 ## Credentials **Certifications & Awards** - Licensed and Registered Colorado Architect - Phius CPHC (Certified Passive House Consultant) - **Best of Houzz:** 1 award (2025), for Service. **Affiliations** - [Passive House Institute US](https://www.houzz.com/professionals/schools-and-organizations/passive-house-institute-us-pfvwus-pf~1579791328) ## Reviews **Overall rating: 5.0 out of 5 — 3 reviews** *Aspect averages:* - Work Quality: 50.0 - Communication: 50.0 - Value: 46.0 ### All 3 reviews **★★★★★ — Andre Baros, Oct. 2024** > I appreciate their professionalism and commitment to do the job right. The projects we worked on together went smoothly because of their care and attention to detail. **★★★★★ — Kayla Givens, Oct. 2024** > I had the pleasure of working with Stewart on a project where he completely transformed a distressed home in the Clayton neighborhood of Denver, CO. The house was in dire need of attention, but Stewart took it from a neglected space to a beautifully renovated, modern home. What truly sets Stewart apart is his hands-on approach—he completed nearly all of the work himself, demonstrating incredible craftsmanship and dedication throughout the process. > > Stewart's attention to detail is impeccable. Every aspect of the renovation was carefully thought out, from the structural improvements to the finishing touches, resulting in a home that is not only aesthetically stunning but also built to last. His ability to balance functionality with design makes him an exceptional choice for anyone looking to renovate or build. If you’re seeking an architect with a deep passion for his work, coupled with a commitment to delivering high-quality results, I can’t recommend Stewart enough. **★★★★★ — HU-222235187, Oct. 2024** > In an industry that often leans toward cookie-cutter construction, Stew’s environmentally friendly approach is a breath of fresh air. Stew’s designs not only meet Passive House standards but also elevate the aesthetic and functional aspects of the space. His attention to detail, from material selection to energy optimization, ensures that each project is not only environmentally responsible but also beautifully crafted. If you’re looking for an architect who combines innovation, sustainability, and a high level of craftsmanship, you truly can’t go wrong with Stew. ## Selected projects - [House Renovation](https://www.houzz.com/hznb/projects/house-renovation-pj-vj~7535664) - Location: Denver, CO - Photos: 25 - Description: Location: Cole Neighborhood, Denver, CO, USA Size: 994 net square feet Renovation Hard Cost: $110,000 Project Completion: January 2023 Located on Bruce Randolph Avenue, the “Bruce House Renovation” is an extensive renovation of a 1894 home within the charming and rapidly densifying Cole neighborhood. Low-maintenance natural materials bring new life to the interior and exterior finishes, but it’s the complete update of the house’s main systems which allow Bruce House to perform for decades to com… - [New House and ADU Design](https://www.houzz.com/hznb/projects/new-house-and-adu-design-pj-vj~7535649) - Location: Denver, CO - Photos: 13 - Description: Location: Denver, Colorado, USA Project Type: New Single-Family House w/ Detached Garage & ADU Size: House: 2,227 gross square feet, Garage: 370 gsf, ADU: 421 gsf Project Status: Architectural Design Complete Five years ago, the Fox Family purchased a single 25-foot wide vacant lot in central Denver, envisioning a future where they could build both a home and a family. Today, the family comprises two adults, two young children, a dog, and a cat. With one parent working from home and frequent vis… - [Garage / Workshop Addition](https://www.houzz.com/hznb/projects/garage-workshop-addition-pj-vj~7535671) - Location: Lakewood, CO - Photos: 4 - Description: Location: Lakewood, Colorado, USA Project Type: Unconditioned Accessory Space Size: 747 gross square feet Project Status: Completed A simple gable roof workshop addition to a 1970s house and garage in Lakewood, Colorado. The proposed addition is a simple garage-like workshop space to support the homeowner’s woodworking hobby. The workspace is un-insulated and unconditioned. - [Denver, ADUs Are Now Legal Citywide, No Rezoning Necessary!](https://www.houzz.com/hznb/projects/denver-adus-are-now-legal-citywide-no-rezoning-necessary-pj-vj~7561821) - Location: Not specified - Photos: 3 - [About Old Alt New](https://www.houzz.com/hznb/projects/about-old-alt-new-pj-vj~7537645) - Location: Denver, CO - Photos: 2 [See all 5 projects](https://www.houzz.com/professionals/architects-and-building-designers/old-alt-new-llc-pfvwus-pf~1766469447) ## Ideabooks - [Bathroom Ideabook](https://www.houzz.com/ideabooks/179299157/list/bathroom-ideabook) — 15 ideas - [Sloped Ceiling Ideabook](https://www.houzz.com/ideabooks/179299536/list/sloped-ceiling-ideabook) — 2 ideas - [Fearless Powder Rooms](https://www.houzz.com/ideabooks/179299403/list/fearless-powder-rooms) — 21 ideas - [Kitchen Ideabook](https://www.houzz.com/ideabooks/179299217/list/kitchen-ideabook) — 2 ideas - [ADU Ideabook](https://www.houzz.com/ideabooks/179299229/list/adu-ideabook) — 6 ideas - [Denver, ADUs Are Now Legal Citywide, No Rezoning Necessary!](https://www.houzz.com/ideabooks/179299115/list/denver-adus-are-now-legal-citywide-no-rezoning-necessary) — 2 ideas [See all 6 ideabooks](https://www.houzz.com/ideabooks/users/oldaltnew) --- *Source: Houzz professional profile. Reflects the profile as of 2026-08-21.*