Urban Infill Project

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The Urban Infill Project | ADU The urban infill project is Tucson and Southern Arizona's leading provider of model plans and resources for ADUs and tiny homes

This project is a showcase piece that maximizes what can be done using the City’s ADU zoning codes. The property now has two additional units added to the back yard - a 1-bedroom Lumen ADU, and a Micro-144 detached sleeping quarter that includes a small bathroom and kitchenette. Three different unit types come together on one midtown lot, articulating compact outdoor courtyard spaces, all fed with rainwater and graywater features from the buildings.

For more info:
Infillproject.com
[email protected]
(520) 222 6195

Client Review - Completed July 2025 – Roost

The Roost model was designed for long, narrow spaces, and this build showcases that exact potential!!

This modified Roost 1-bedroom maximizes the site’s unique dimensions while still offering a spacious living and sleeping area. Accessibility features in the bathroom add versatility for future renters, and the modern palette with exposed wood collar ties creates a refined, rhythmic interior!

For more info:

infillproject.com

[email protected]

(520) 333-8007

The Roost model is crafted for long, narrow spaces and boasts a modern exterior form with a cute gabled roof and welcoming entry porch. Because of the compact space offered in the studio version of the Roost, the owner opted for a smaller kitchen to successfully maximize the living and sleeping area. Despite the small size, the bathroom maintains accessibility features in the bathroom making it versatile for any future renter.

Contrasting textures and color choices make this unit feel clean and ready to accommodate a modern lifestyle. Exposed wood collar ties, painted a dark color to match the cabinets, accentuate length in a rhythmic pattern.

The windows have been refashioned from the original design to protect privacy of the existing house, and a new rusted metal fence defines a yard for the new unit that is fully private. This unit is rented through Air BnB as a furnished monthly rental and is marketed to UofA students.

Check out our website to see our clients most recently completed projects!



The Urban Infill Project

Infillproject.com

[email protected]

520 222 6195

Grateful for this amazing group who are all part of the building community coming together to connect, support, and inspire one another. Huge thank you to Koren and Nera for hosting us in their beautiful home. Moments like this are exactly the motivation we need to keep it going.

We look forward to bringing you all together again!

Happy Spring - Happy Building!

3 years of Urban Infill Project!

Thank you to the homeowners, builders, and community partners who have trusted us to help transform underused space into new housing opportunities across Tucson.

We’re grateful to be part of the movement bringing thoughtful small-scale infill and missing middle housing to our city.

Here’s a closer look at this recently completed Roost 2 bedroom!

This pre-permitted design includes 2 bedrooms, a kitchen, bathroom, and combined living/dining space.

A big shout out to for building this ADU!🙏

SmartDesign BuildSmallLiveBig

We couldn’t have done it without you! 👏

A heartfelt thank-you to our sponsors for supporting SAHBA’s 2026 Board Installation Luncheon. Your partnership helps make events like this possible and supports the leaders shaping the future of our industry.

This Lumen two-bedroom features a sleek roofline, open floor plan, and full accessibility throughout. Durable finishes like marble countertops, sealed concrete floors, and tiled shower surround keep maintenance low while the black-and-white palette offers a modern backdrop.

For more info:

infillproject.com

[email protected]

(520) 333-8007