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New York City Realtor KAREN KOSTIW

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Recent Posts:

  • In the News: Getting Pre‑Approved For A Mortgage
  • How Paint Colors Can Cost Sellers Money: My Forbes Insight on Zillow’s New Analysis
  • Manhattan Weekly Market Update: Heat Wave, Holiday, and a Market That Earned Its Summer
  • Weekly Market Snapshot: June Keeps Its Spring Pulse
  • Manhattan Weekly Market Update: The Market Is Doing Its Thing
  • Weekly Market Snapshot: June Starts In High Gear
  • Manhattan Weekly Market Update: Tight Spring and a Lower East Side Reset
  • Manhattan Weekly Market Snapshot: From Holiday Pause To Mid Market Pressure
  • Manhattan Weekly Market Update: Late‑Blooming Spring and a Murray Hill Reset
  • Manhattan Weekly Real Estate Snapshot: A Quieter Week Revealed the Market’s True Character
  • Manhattan Weekly Market Update: Contracts Rise as the Upper West Side Repositions Itself
  • Manhattan Weekly Real Estate Snapshot: Buyers Reward Market Realism
  • Manhattan Weekly Market Snapshot: Late Spring With Staying Power
  • Manhattan Weekly Real Estate Snapshot: Upper East Side Buyers Pay Premiums
  • Why Some NYC Listings Linger | Looking Beyond Price
  • Manhattan Spring Narrows Its Focus
  • Manhattan Weekly Real Estate Snapshot: Townhouses Take the Spotlight
  • Manhattan Spring Finds Its Rhythm, With NoMad in Focus
  • Manhattan Price Per Square Foot: Why the Market Has Been Flat and What Comes Next
  • Manhattan Weekly Market Snapshot: Spring Color and Selective Strength
  • Manhattan Spring Finally Shows Up, and it is Choosy
  • Spring Blossoms and Selective Strength
  • Private Listings, “Coming Soon,” and Why Transparency Matters Now
  • From RealVitalize® to Concierge, powered by Notable: A New Way to Prepare Your Home for Sale
  • A Market That Is Trying, Not Roaring
  • Exploring Katonah, Bedford Village and Pound Ridge: Just Beyond NYC
  • Spring Market: Contracts, Cash, and Careful Pricing
  • Spring’s Best Window Is Open — But It Won’t Stay That Way
  • Trophy Townhouses, Midtown Heat
  • Manhattan Spring Market: Normalizing, Not Roaring
  • Flat Manhattan Prices, Sharper Buyer Decisions
  • Quoted in NAR: How Sellers Can Create Move‑In Ready Homes
  • Manhattan Spring Market: Uneven Pace, Shifting Leverage
  • Manhattan Weekly Snapshot: Confusion at the Bottom, Confidence at the Top
  • Manhattan Spring Market Begins: Inventory, Rates, and Renovation Math
  • Spring Market: Quiet Confidence In A Noisy World
  • Manhattan’s Market in a Tax‑Aware Spring
  • Manhattan’s Spring Market: Sought-After Legacy Properties in a Volatile Week
  • Manhattan’s Spring Market in a World on Edge
  • Weekly Market Snapshot: Manhattan Market Finds Its Stride
  • Manhattan Spring Build-Up Starts From a Lower Base
  • Weekly Market Snapshot: Snow, Scarcity and a New‑Development Power Play
  • COLDWELLSM Magazine has arrived
  • Manhattan Market In Holding Pattern
  • Weekly Market Snapshot: Contracts in the Clouds: Manhattan New Development Finds Its Next Gear
  • Beyond the Freeze: Why Prepared Buyers and Realistic Sellers are Winning in Manhattan Today
  • The Executioner’s Market: When Vision Meets Velocity in Manhattan
  • From Balance Sheets to Brownstones: How Insurance Capital Touches NYC Housing
  • Manhattan weekly market snapshot: Waiting for the Real Spring
  • Weekly Market Snapshot: Manhattan Finds Its Winter Rhythm
  • Chelsea, Reimagined: From Nabisco Ovens to High Line Luxury
  • Demand Wakes Up Before Supply Does
  • NYC New Development 2025: Tight Supply, Soft Volume, Standout Winners
  • Where a “Quiet” Week Sets Up Manhattan’s Spring Market
  • Manhattan’s Moving Timeline: Why Today’s Data Is Already Old News
  • Manhattan Market Snapshot | Week of January 12, 2026
  • Low Supply, High Intention
  • Manhattan Weekly Market Snapshot: A Selective Start to 2026 (Week of January 5)
  • Living Well on Wall Street: A Modern Guide to the Financial District
  • Manhattan Holiday Housing Market 2025: Co-op, Condo, and Luxury Trends
  • Navigating NYC Residential Real Estate: Insights for 2025 Buyers and Sellers
  • Manhattan Buyers Stay Active Into the Holidays
  • Quiet Streets, Active Deals: Inside Manhattan’s Mid‑December Market
  • Chelsea’s Next Chapter: Why This Market Still Matters
  • Manhattan Real Estate Market Report | Week of December 8, 2025
  • Manhattan Real Estate Market | Week of December 1, 2025
  • Upper East Side Market Commentary: What the Shift Toward Condos, New Development, and Townhouses Really Means
  • Dispelling the Myth: Why 95th & 3rd Is One of the Upper East Side’s Best-Kept Secrets
  • Manhattan’s Real Estate Momentum: Opportunity and Confidence Heading Into the Holidays
  • Manhattan Real Estate Market | Week of November 24, 2025
  • Manhattan Real Estate Market | Week of November 17, 2025
  • The NYC Luxury Real Estate Maze: Stories, Surprises, and Solutions
  • Buying Together: Honest Money Conversations Shape Your Home-Buying Success
  • Manhattan Real Estate Market | Week of November 10, 2025
  • Manhattan Real Estate Market | Week of November 3, 2025
  • Turning cubicles to condos: The pros and cons of office-to-residential conversions in NYC
  • Reading the Market: What Manhattan Price Adjustments Really Mean for Buyers and Sellers
  • Navigating Transitions in New York City Real Estate: Turning Life’s Biggest Changes Into Opportunity
  • Manhattan Real Estate Market | Week of October 27, 2025
  • Manhattan Real Estate Market | Week of October 20, 2025
  • Why Homes Feel So Expensive in NYC: Beyond the Headlines
  • NYC Fall 2025 Real Estate Market Insights: Reading the Signals from LeaseBreak, UrbanDigs & Linneman
  • Manhattan Real Estate Market October 13 2025 | By Karen Kostiw, Coldwell Banker Warburg
  • The Great Manhattan Bifurcation: Navigating a Two-Speed Market into 2026
  • Cash is King, and Manhattan is its Throne: Decoding the All-Cash Luxury Market
  • Manhattan Real Estate Market | Week of September 29, 2025
  • 99-Unit Buildings Are Shaping NYC Luxury Real Estate
  • Closing Costs in New York City Unpacked
  • Manhattan Real Estate September 22 | Weekly Market Snapshot
  • Weekly Market Snapshot | Manhattan Real Estate | Week of September 15, 2025
  • What to Do if Your NYC Home Isn’t Selling: Should You Become an Accidental Landlord?
  • Navigating New York’s Luxury Real Estate: Strategic Insights for Discerning Clients
  • Manhattan Market Enters Fall with Renewed Energy
  • Manhattan Exclusive Inventory Trends: What Sellers and Buyers Must Know
  • NYC Real Estate Fall 2025: Navigating a Market in Waiting
  • Mortgage Rates See Their Sharpest Decline in Over a Year
  • Why Your NYC Luxury Home Isn’t Selling (and How Strategic Pricing Can Change Everything)
  • Manhattan Real Estate Market Snapshot | Week of September 1, 2025
  • Manhattan Real Estate Market: Week of August 25
  • Manhattan Market Snapshot – Week of August 18th

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"Karen was a very professional, diligent, and overall reliable agent when working through the process of buying my home. As it was a first home for me, there was definitely some hand-holding along the way... continued"
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124 Hudson Street
New York NY, 10013


Karen Kostiw
(917) 524-4152 Cell
(212) 327-9622 Office
(646) 422-4083 Fax

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