Missouri Board for Architects, Professional Engineers, Professional Land Surveyors and Professional Landscape Architects mailing address
To mail a letter to the Missouri Board for Architects, Professional Engineers, Professional Land Surveyors and Professional Landscape Architects — the body that regulates architects, engineers, land surveyors, and landscape architects in Missouri — send it to Missouri Board for Architects, Professional Engineers, Professional Land Surveyors and Professional Landscape Architects, Suite 380, 3605 Missouri Boulevard, Jefferson City, MO 65109. This combined board, administered through the Division of Professional Registration, licenses and regulates architects, engineers, land surveyors, and landscape architects in Missouri under one board. It investigates complaints about a licensee’s conduct. Use this address for complaints and concerns, registration and renewal paperwork, and requests for a certificate of standing. Add your return address and any registration number if you'd like a reply, and confirm the address on APELSPLA's official contact page before anything time-sensitive.
Missouri Board for Architects, Professional Engineers, Professional Land Surveyors and Professional Landscape Architects — correspondence address
Missouri Board for Architects, Professional Engineers, Professional Land Surveyors and Professional Landscape Architects Suite 380 3605 Missouri Boulevard Jefferson City MO 65109
Complaints and concerns, registration and renewal paperwork, requests for a certificate of standing, and general written correspondence. This is the regulator's main office — not a courier depot or a member's practice.
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Missouri Board for Architects, Professional Engineers, Professional Land Surveyors and Professional Landscape ArchitectsSuite 3803605 Missouri BoulevardJefferson City, MO 65109
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Key facts
- This is the Missouri Board for Architects, Professional Engineers, Professional Land Surveyors and Professional Landscape Architects's published correspondence address, taken from its own contact page.
- Missouri Board for Architects, Professional Engineers, Professional Land Surveyors and Professional Landscape Architects (APELSPLA) is the statutory regulator for architects, engineers, land surveyors, and landscape architects in Missouri — not a voluntary membership association or union.
- Use it for complaints, registration and renewals, and certificate-of-standing requests — not for parcels or courier-only deliveries.
- Add an attention line (e.g. "Registration" or "Complaints/Investigations") so your letter reaches the right department.
- Include your full name, registration number if you have one, and a return address so they can respond.
- PostPal prints your letter and mails it for you — no printer, envelope, stamps, or post office trip.
How to send your letter
- 1
Decide what your letter is for
APELSPLA handles registration and renewals, complaints and concerns about a registrant, and requests such as a certificate of standing. Note which one applies and add an attention line (e.g. "Attention: Registration" or "Attention: Complaints/Investigations") so it reaches the right department.
- 2
Include the details they need
Give your full name and, if you're a registrant, your registration or membership number. If your letter is about someone else — a complaint, or a reference request — include that person's name and, where you have it, their registration number so the file can be found.
- 3
Address it to the office
First line: Missouri Board for Architects, Professional Engineers, Professional Land Surveyors and Professional Landscape Architects. Next: Suite 380. Then the street: 3605 Missouri Boulevard. Then the city line: Jefferson City MO 65109.
- 4
Send it with PostPal
Write or upload your letter to PostPal with the address above prefilled. We print it, add your return address, and mail it for you — no printer, envelope, stamps, or trip to the post office.
Common questions
What does the Missouri Board for Architects, Professional Engineers, Professional Land Surveyors and Professional Landscape Architects do?
This combined board, administered through the Division of Professional Registration, licenses and regulates architects, engineers, land surveyors, and landscape architects in Missouri under one board. It investigates complaints about a licensee’s conduct. The address above is its main correspondence office — the right place for registration paperwork, complaints, and requests for a certificate of standing.
What is the Missouri Board for Architects, Professional Engineers, Professional Land Surveyors and Professional Landscape Architects mailing address?
Missouri Board for Architects, Professional Engineers, Professional Land Surveyors and Professional Landscape Architects, Suite 380, 3605 Missouri Boulevard, Jefferson City, MO 65109. It's the regulator's published correspondence address. Confirm it on APELSPLA's official contact page before anything time-sensitive, since regulators occasionally relocate.
Can I file a complaint about architects by mail?
Most regulators accept written complaints by post as well as online. Send your concern to the address above, marked "Attention: Complaints" (some use "Professional Conduct" or "Investigations"), with the registrant's name and, if you have it, their registration number, plus a clear account of what happened. Check APELSPLA's official contact page for any complaint form they want you to use.
Where do I send registration, renewal, or a certificate-of-standing request?
The same office handles registration and renewals and issues certificates of standing (also called a certificate of professional conduct or good standing, often needed to register in another jurisdiction). Mail it to the address above with an attention line for "Registration," and include your registration number and return address so they can reply.
Is this the regulator, not a professional association or union?
Yes — Missouri Board for Architects, Professional Engineers, Professional Land Surveyors and Professional Landscape Architects (APELSPLA) is the statutory regulator that licenses architects, engineers, land surveyors, and landscape architects in Missouri and protects the public. It's separate from any voluntary membership association or union for the same profession; use this address for regulatory matters like registration, complaints, and standing.
How do I mail the Missouri Board for Architects, Professional Engineers, Professional Land Surveyors and Professional Landscape Architects a letter without a printer?
Write or upload your letter to PostPal with the address prefilled. We print it, add your return address, and mail it for you — no printer, stamps, or post office trip needed.
Sources
Addresses verified September 2026 against official sources. Always confirm on the official site before time-sensitive filings.