

Designed at TRG
Home Purchase Feasibility Studies for Buyers
Understand what you can build, expand, or remodel before you commit.
Serving oakland and the greater bay area
Package 3. Premium Feasibility Analysis
$2,500 – $4,000+
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For complex properties requiring deeper analysis or multiple scenarios.
Package 2. Comprehensive Feasibility Study
$1,800 – $2,200
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A more detailed evaluation for buyers who want clarity before committing.
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Includes site visit, zoning analysis, preliminary diagrams, cost ranges, and a written report.
Home Purchase Feasibility Studies by Architect
Understand what's possible before you buy.
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Can I expand this home?
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Is an ADU possible?
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What might this project cost?
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Are there any major limitations?
One Six Design offers architectural feasibility studies to help homebuyers evaluate the remodeling and expansion potential of a property prior to purchase; typically during the inspection contingency period.
What is typically included.
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Site visit and walkthrough of the property
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Review of zoning and development standards
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Evaluation of potential for additions, remodels, or ADUs
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Preliminary concept diagrams (non-construction drawings)
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Rough construction cost ranges
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Written summary of opportunities and constraints
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Timeline: Site visits typically scheduled within 48 hours and summarries delivered within 3–5 days
Service options. Choose from 3 packages
Package 1. Basic Feasibility Walkthrough
$750 – $1,000
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A quick, high-level evaluation to help guide your decision.
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Includes site visit, verbal feedback, and a follow-up summary email.
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No drawings included.
If the property meets your goals, One Six Design can continue with full architectural design services.
Important Notes/Disclaimer
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Feasibility studies are preliminary and advisory in nature.
They are intended to help inform decision-making and do not constitute final design, construction documents, or permit-ready drawings. -
All findings are based on available information and visual observations.
No guarantees are made regarding planning approval, permitting outcomes, construction feasibility, or final project costs. -
This service does not include architectural design services.
If you choose to move forward after purchase, a separate agreement for full design services would be required.
About

One Six Design
I’m Carlos Rojas, founder of One Six Design and a licensed architect with over 15 years of experience. I began my career designing schools and later specialized in residential architecture as a project architect for boutique firms. I’ve helped clients across the Bay Area navigate planning departments and move projects smoothly from first concept through approval.
I offer simple, elegant, human-scale design focused on livability, comfort, meaningful detail.
Let’s design a home that feels truly yours.
Send me a message to discuss your goals, timeline, and design ideas.