Other Services

Looking for a reliable commercial architect Petaluma or commercial architect Sonoma County? John Howland Architect provides professional planning, design, code guidance, sustainable architecture, construction documentation, and project support tailored to commercial needs. Explore architectural services designed to balance functionality, aesthetics, and long-term value. Visit the services page to learn more and contact John Howland Architect today to discuss your project. 

Address :- 1730  Sonoma Blvd. Vallejo, California 94590

Email :-john@johnhowlandarchitect.com

Phone No :- +(707) 552-9925

• Avoid scams by acting locally or paying with PayPal
• Never pay with Western Union, Moneygram or other anonymous payment services
• Don't buy or sell outside of your country. Don't accept cashier cheques from outside your country
• This site is never involved in any transaction, and does not handle payments, shipping, guarantee transactions, provide escrow services, or offer "buyer protection" or "seller certification"