treDADU

treDADUtreDADUtreDADU

treDADU

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Detached Accessory Dwelling Units

Detached Accessory Dwelling Units Detached Accessory Dwelling Units Detached Accessory Dwelling Units

by tred - architecture + design

efficient modern designs

fast affordable builds

need a tredadu?

206.499.7365

Detached Accessory Dwelling Units

Detached Accessory Dwelling Units Detached Accessory Dwelling Units Detached Accessory Dwelling Units

by tred - architecture + design

efficient modern designs

fast affordable builds

need a tredadu?

206.499.7365

tred STUDIO collection

STUDIO treDADUs

STUDIO @ grade w/ deck

STUDIO over shipping container 

STUDIO over 2-car garage

tred FAMILY and 1 BEDROOM collection

FAMILY + 1BR treDADUs

1 BEDROOM @ grade w/ deck

FAMILY (3 bedroom / 2 bath)

1 BEDROOM over 2-car garage

About Us

TRED - architecture + design

TRED - architecture + design

TRED - architecture + design

Seattle firm owned and operated by Megan Tremain + Lee Edwards. The treDADU collection was inspired by the growing demand for affordable detached housing and the need for multi-purpose structures with an expedited timeline from initial test fit to move-in day.

treDADU design features

TRED - architecture + design

TRED - architecture + design

- Panelized design for fast installation

- Small footprints to fit urban infill lots

- MEP integrated to reduce labor costs

- Energy Efficient w/ low operating costs

- Designs can be flipped (both directions) for location + orientation flexibility

treDADU costs + options

TRED - architecture + design

treDADU costs + options

Each project is unique, but few homeowners can afford a fully custom solution to their DADU needs.  Our treDADU collection seeks to strike the balance between custom and quality pre-designed solutions.  Built-in flexibility and itemized options allow for cost + design control.

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What can we treDADU for you!

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We look forward to helping you create your new rental unit, office space, guest house, mother-in-law, cabin or whatever else you need space for! 

treDADU.com

2064997365

  • 2025-SPRING
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treDADU.com

5738 34th Avenue Northeast, Seattle, Washington 98105, United States

2064997365

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