Is DTAH well reviewed?

DTAH holds a 5.0-star Google rating across 11 reviews. Based on YardQuote's analysis of Google review data, that is a strong score for a landscape designer in the Greater Toronto Area. We always recommend comparing at least three quotes before you hire.

Where does DTAH operate?

DTAH works out of Queen West in the Old Toronto area and serves surrounding Greater Toronto Area neighbourhoods. Its listed address is 425 Adelaide St W Suite 600, Toronto, ON M5V 3C1.

How do I get a quote from DTAH?

You can contact DTAH directly at (416) 968-9479 or through its website. To compare options side by side, request quotes through YardQuote and we will match you with up to three vetted landscape designers serving Queen West, at no cost.

What does DTAH charge for landscape design?

DTAH sets its own prices, but as a market benchmark design consultation (independent landscape designer, hourly) runs $75 to $150 per hour across the GTA, according to Absolute Home Services (Ontario guide, Sept 2025). Add 13% HST, and request an itemized quote for numbers specific to your project.

Verified listingTop rated

DTAH

Name: DTAH
Address: 425 Adelaide St W Suite 600, Toronto, ON, M5V 3C1, CA
Telephone: (416) 968-9479
Rating: 5

Landscape Design in Queen West

Last updated: July 2, 2026By YardQuote Research TeamReviewed by Yevhenii Kuznietsov, 11-year SEO & local-market data analyst

About DTAH

YardQuote lists DTAH as a landscape designer serving Queen West, rated 5.0★ across 11 Google reviews.

DTAH is an award winning architecture, landscape architecture, and urban design firm located in Toronto.

Planning

Appointment required

Services

Landscape Design
Work
People
Revitalizing Toronto's first playground
Join us for Doors Open 2026
A dynamic centre for food and culture
Colin Berman earns ENV SP credential
A new urban oasis in downtown Toronto

What customers say

Highlights via Google reviews. Ratings are set by reviewers, not YardQuote.

10 years ago
“Lovely location. It used to be the old offices of the Ontario Association of Architects. DTAH often hosts public exhibits and events here. The firm is known for its excellent, professional and proven planning, urban design and architecture.”
TM· via Google reviews
7 years ago
“I didn't really visit this place but for all those Pokemon trainers out there if you are looking for an EX Raid eligible gym there's one in the park next door.”
Jon· via Google reviews
9 years ago
“Great coffee, wonderful people in a lovely park like setting.”
Colin· via Google reviews
9 years ago
“Riverdale Park is looking amazing”
MANGIONE· via Google reviews

Hours

Opening hours for DTAH
Monday	9 a.m.–5 p.m.
Tuesday	9 a.m.–5 p.m.
Wednesday	9 a.m.–5 p.m.
Thursday	9 a.m.–5 p.m.
Friday	9 a.m.–5 p.m.
Saturday	Closed
Sunday	Closed

Contact DTAH

(416) 968-9479
Visit website
425 Adelaide St W Suite 600, Toronto, ON M5V 3C1
View on Google Maps

Questions to ask your contractor

Is the design fee credited if we build with your firm?
Do we get 2D plans only, or 3D renderings — and at what cost? 2D vs 3D pricing
Who owns the drawings if we hire another contractor to build?
Have you handled ravine/TRCA or permit reviews in this city?

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DTAH: frequently asked questions

Is DTAH well reviewed?: DTAH holds a 5.0-star Google rating across 11 reviews. Based on YardQuote's analysis of Google review data, that is a strong score for a landscape designer in the Greater Toronto Area. We always recommend comparing at least three quotes before you hire.
Where does DTAH operate?: DTAH works out of Queen West in the Old Toronto area and serves surrounding Greater Toronto Area neighbourhoods. Its listed address is 425 Adelaide St W Suite 600, Toronto, ON M5V 3C1.
How do I get a quote from DTAH?: You can contact DTAH directly at (416) 968-9479 or through its website. To compare options side by side, request quotes through YardQuote and we will match you with up to three vetted landscape designers serving Queen West, at no cost.
What does DTAH charge for landscape design?: DTAH sets its own prices, but as a market benchmark design consultation (independent landscape designer, hourly) runs $75 to $150 per hour across the GTA, according to Absolute Home Services (Ontario guide, Sept 2025). Add 13% HST, and request an itemized quote for numbers specific to your project.

Get Free Quotes