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Who we are & who we serve:
Upstate Development is a New York State Corporation owned and operated by Robert Roselli, PE. A licensed Professional Engineer in NY, NJ and CT. SDN Design Group is a New York State registered Company owned and operated by Nelson Guerrero.

We operate throughout southern NY State and northern and central NJ and southwestern CT. Our personal specialty includes all phases of residential land development and associated disciplines.

Areas of experise:
As engineering and architectural design firms and Northern Westchester and SDN Design group can provide the following services:

- Subdivisions.
- Septic Systems.
- Site Development.
- Foundation Plans.
- Retaining Wall Design.
- Grading and Drainage.
- Residential Architectural Plans ( New and additions; NY only).

Collaborations:
Our extensive relationship with several area contractors including Rusciano Construction we can provide the following construction services:

- Site clearing and grading.
- Septic Systems.
- Retaining walls and foundation.
- Roadways and driveways.
- Public utility hook-ups.

We can provide a one stop, turnkey house construction operation from land acquisition (yours or ours) through construction (your plans or ours) or we can be inserted into certain phases (ie, design services). Please contact us with any inquiries.









 

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