O'Connell Landscape
- Team
- Backyard
- Expectations
24 companies listed · 10 in Petaluma · 7 open weekends · 18 rated 4.5+ · 9 show a license
Data verified October 15, 2026
Listed for homeowners in and around Petaluma, CA, these 24 companies draw plans for yards; the building is done by someone else. Portfolios, service descriptions and hours are taken from each company's own site, and the ratings beside them come from public reviews.

10 of the 24 companies we list are based in Petaluma; the other 14 serve Petaluma from towns including Santa Rosa (15 mi), Novato (11 mi) and Sebastopol (15 mi). 19 of the companies on this page have a rating, from 4.0 to 5.0 across 202 reviews; 18 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (97%), quality (95%) and responsiveness (84%). 7 are open on Saturdays and 3 on Sundays. The services the companies on this page list most often on their websites are landscape architecture (3), civil engineering (2) and design services (2). 9 show a license on their websites and 1 has a BBB rating of A or A+. Domain records put 15 websites of the companies on this page at ten or more years old; the oldest dates from 1998. 1 offers emergency call-outs; 1 offers financing or payment plans; 1 gives free estimates and 6 are family- or locally-owned. We have a website on file for all 24 of the companies on this page; 18 publish a contact page and 15 list a public email. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
9 of the 24 listings show a license on their websites. That is the dividing line in this trade: a licensed landscape architect can stamp drawings for review, a designer cannot. The state register is public, so check the number rather than the logo on the website.