Buying a home in today’s competitive Westchester Real Estate market can feel overwhelming. Many buyers are focused on winning bidding wars, locking in mortgage rates, and getting through inspections. But one of the most overlooked — and most important — parts of the process happens behind the scenes:
Checking permits and Certificates of Occupancy (COs).
A strong buyers agent is not just there to unlock doors and schedule showings. A great buyers agent is there to protect you from expensive surprises after closing. One of the biggest ways they do that is by investigating whether work performed on the home was properly permitted, inspected, and closed out with the local municipality.
In Westchester County, this matters more than many buyers realize.
What Is a Certificate of Occupancy (CO)?
A Certificate of Occupancy records municipal approval for the occupancy or work it covers. The document needed to close a permit can depend on the municipality, project and building history; a certificate is not a general warranty that every current condition is defect-free.
Compare the document’s described work and use with the property, and ask the building department about discrepancies, later changes and applicable approvals.
Projects for which buyers should check applicable permits and completion documents include:
- Finished basements
- Decks
- Pools
- Additions
- Renovated kitchens
- Bathrooms
- Central air installations
- Electrical upgrades
- Generators
- Dormers
- Garage conversions
- Outdoor kitchens
- Solar panels
In many Westchester towns, even seemingly “minor” improvements can require permits.
Why This Is a Huge Deal for Home Buyers
Many buyers assume:
“If the house looks good, it must be fine.”
Unfortunately, that’s not always true.
Municipal research may reveal:
- Open permits
- Missing permits
- Expired permits
- Work completed without approvals
- Improvements not reflected on the CO
Sometimes the seller genuinely doesn’t know. Other times, work was done years ago by previous owners without proper filings.
Either way, it can become YOUR problem after closing.
Problems Unclosed Permits Can Cause
Delays in Closing
One of the most common issues is that unresolved permit problems surface during attorney review or municipal searches.
This can delay closing for weeks or even months while:
- Old permits are reopened
- Inspections are scheduled
- Contractors are hired to correct violations
- Town paperwork is updated
In competitive Westchester Real Estate transactions, this can create major stress.
You May Inherit Expensive Repairs
If work was done improperly, the town may require corrections before issuing sign-offs.
Examples could include:
- Removing illegal basement kitchens
- Updating electrical panels
- Rebuilding decks
- Correcting plumbing
- Adding egress windows
- Bringing insulation or framing up to current code
What seemed like a cosmetic renovation could suddenly become a five-figure issue.
Mortgage and Insurance Problems
Many lenders and insurance companies now scrutinize permits more carefully than ever.
Issues can include:
- Mortgage underwriting delays
- Insurance coverage exclusions
- Higher premiums
- Denied claims
- Difficulty refinancing later
For example:
A finished basement without proper permits may not be recognized as legal living space by lenders or insurers.
Resale Problems Later
Even if you decide to “deal with it later,” the problem usually comes back during resale.
When you eventually sell the property, your buyer’s attorney will likely conduct the same municipal searches.
That means unresolved permit issues can:
- Reduce your buyer pool
- Delay your future sale
- Force you into repairs later
- Create negotiation leverage against you
Why a GOOD Buyers Agent Matters
This is where experienced buyers agents separate themselves from “door openers.”
A knowledgeable buyers agent in Westchester should:
- Ask questions about renovations
- Review seller disclosures carefully
- Flag suspicious additions or finished spaces
- Recommend municipal searches early
- Coordinate with attorneys and inspectors
- Help identify potential red flags BEFORE contracts are signed
An experienced agent understands that protecting the buyer is far more important than simply getting a deal closed quickly.
Common Red Flags Buyers Should Watch For
Here are some common warning signs:
- Basement apartments or kitchens
- Recently renovated homes with no documentation
- Large additions not reflected in tax records
- Detached structures converted into offices or gyms
- Decks or pools with no visible permit history
- “DIY” style renovations
- Sellers saying “the town never cared”
In many cases, the issues are fixable — but buyers deserve to know what they are walking into before they own the home.
Every Town in Westchester Handles This Differently
One reason this process can become confusing is because every municipality has different standards and recordkeeping systems.
For example:
- Some towns have excellent digital records
- Others rely on older paper archives
- Enforcement and project requirements must be confirmed directly
- A past lack of enforcement is not evidence of approval
This is why local experience matters in Westchester Real Estate.
An agent familiar with local towns, building departments, and common permit issues can help buyers avoid costly mistakes.
The Goal Is NOT to Kill Deals
A good buyers agent is not trying to create unnecessary fear.
The appropriate response depends on the records, municipal requirements and transaction terms. Seller concessions or an escrow do not make unapproved work lawful. Have the attorney, lender and relevant municipal officials review any proposed resolution and the responsibility, timing and funding for required work.
The goal is transparency and protection — not panic.
Final Thoughts
In today’s Westchester Real Estate Market, buyers need more than someone who schedules showings.
They need representation from professionals who understand:
- Risk
- Municipal compliance
- Property history
- Negotiation strategy
- Due diligence
Checking for closed permits and valid Certificates of Occupancy is one of the most important ways a buyers agent protects their client.
Because the most expensive problems in real estate are often the ones buyers never knew existed until after closing.
Address unresolved questions before committing where possible; ask your attorney about contractual options and responsibilities.
Build a Property-Specific Records Checklist
Request available permits, inspection sign-offs, certificates, violation records and any applicable pre-date documentation. Do not assume tax records or a listing’s square footage establishes legal use. Ask what records are missing and what additional investigation is needed.
For local starting points, consult New Castle’s Building Division or Scarsdale’s Building Department. Their requirements are not interchangeable. Your attorney advises on contract and legal implications; inspectors and design professionals assess conditions within their scope; the municipality determines applicable approvals.
Matthew Gluck, founder and principal broker of NestEdge Realty, helps coordinate record requests and transaction questions. Explore buyer services.