The hearthmap Blog

Find the right place to call home.

Data-driven guides to home buying, neighborhood research, school districts, and everything that matters when choosing where you live.

Home Buying GuideFeatured

How Bidding Wars Start: Underpriced Listings, Explained

List price is a marketing number, not what the seller really wants. Here is how agents use underpricing to start bidding wars, and how to read the signals.

10 min readMay 14, 2026Read article

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Where to Live

A Better Map for Choosing Where to Live

How hearthmap combines public data from Census, EPA, CDC, FBI, NCES, NOAA, and Zillow into a single interactive map for evaluating neighborhoods, schools, and housing markets.

6 minApril 24, 2026
Home Buying Guide

Why Some Housing Markets Build and Others Do Not: Supply Elasticity

Supply elasticity, the speed at which a market produces new housing in response to demand, varies several-fold across U.S. metros and shapes both prices and volatility.

9 minApril 20, 2026
Home Buying Guide

How Housing Inventory Actually Moves Prices

Months of supply, the lock-in effect, and new construction explain most of what shows up later in price headlines. Here is how to read the supply data.

9 minApril 16, 2026
Where to Live

How to Find Towns With Other Young Families: The ACS Variables to Check

Family density at the census-tract level is one of the more important and easily measured variables for households with young children. Here is what to look at.

7 minApril 8, 2026
Home Buying Guide

Property Tax: The Most Underestimated Line in Your Mortgage

Effective property tax rates vary by an order of magnitude across the U.S., and reassessments can shift the bill quickly. Here is how to factor taxes into the real cost of ownership.

8 minMarch 24, 2026
Home Buying Guide

Mortgage Rates Explained: What Moves Them and What You Control

Mortgage rates track the 10-year Treasury, not the federal funds rate. Here is what determines a quoted rate, which factors are negotiable, and how to shop effectively.

8 minMarch 2, 2026
Home Buying Guide

PMI Explained: What It Costs and How to Cancel It

PMI is governed by a specific federal statute that defines exactly when it can be removed. Here is what it costs, how it works, and the three paths to cancellation.

7 minFebruary 4, 2026
Home Buying Guide

Financing a House: What the Payment Really Includes

PITI, PMI, closing costs, reserves, and loan types: a factual walkthrough of what determines the real monthly cost of a mortgage.

8 minJanuary 18, 2026
Where to Live

City vs. Suburb vs. Rural: A Framework for Choosing Among Them

A clear-eyed look at the structural trade-offs in cost, space, services, commute, and liquidity across urban, suburban, and rural settings.

9 minApril 7, 2025
Education & Schools

School Districts Explained: What the Data Measures, and What It Does Not

School quality is the largest driver of home values in most U.S. markets. Here is what proficiency, growth, graduation, and spending metrics actually measure, and how to combine them.

8 minMarch 24, 2025
Home Buying Guide

How to Choose the Right Neighborhood: A Data-Driven Guide

How to evaluate neighborhoods using public data: school performance, crime rates, household income trends, commute times, and housing market velocity.

7 minMarch 10, 2025