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The new-build evidence library

Less searching. Better sources.

Understand the data before applying it to a build. Start with readable guides, then follow official evidence for the buyer, costs, land and approvals.

29 curated public resources. Reviewed September 5, 2026. Each source has its own publication dates, coverage and access requirements. File links are labeled where applicable.

16 sources shown · Includes national sources relevant to this market

Market data

Census new-home sales and inventory ↗

United States and Census regions · new single-family homes

Read contracts, new-home inventory and months of supply. Annualized sales rates are not monthly closings; subsequent canceled contracts are not removed from the reported sales series.

Free monthly release. National and regional evidence does not establish a community’s absorption rate.

Open source ↗
Construction costs

BLS producer prices for construction materials ↗

U.S. producer price indexes · category-specific coverage

Understand material price trends and revisions. Index changes are not delivered supplier quotes, local labor rates or the total cost of building a home.

Free published indexes and methodology. Match the index category and observation period to the cost exposure being studied.

Open source ↗
Market data

FHFA house-price indexes and methodology ↗

U.S. and available regional/local house-price indexes

Inspect broad repeat-transaction house-price trends and each series’ coverage. These indexes are not new-build sale comparables or a forecast for a specific subdivision.

Free public data. All-transactions indexes include refinancing appraisals as well as sale transactions.

Open source ↗
Financing & tax education

NAHB acquisition, development and construction financing survey ↗

Survey of participating residential builders and developers

Review credit availability, loan categories, rates and initial points. Use this as financing context before obtaining project-specific terms; survey averages are not loan offers.

Public quarterly summary. Check the survey period and distinguish contract interest from the effective cost including points.

Open source ↗
Market data

Census QuickFacts ↗

U.S. states, counties and cities of 5,000 or more

Compare population, household income and housing-stock context. Check each row’s date and geography; city medians are not qualified buyer demand or new-build sale comparables.

Free public tables. Different rows can use different survey periods and population vintages.

Open source ↗
Market data

Census Building Permits Survey · readable guide →

U.S.; available state, metro, county and permit-issuing place tables

Review residential units authorized by building permits to understand an area’s proposed supply. Authorizations are not construction starts, completed homes or occupied units.

Free published tables and methodology. Check release frequency, revisions and local reporting coverage.

Open source · readable guide →
Property records

Hillsborough property data tools ↗

Hillsborough County, Florida

Open property record cards, parcel maps and the property appraiser’s tax estimator. Records and estimates do not replace a title search, boundary survey or a confirmed post-purchase tax assessment.

Free public tools. Interactive mapping requires a compatible browser; follow source disclaimers.

Open source ↗
Planning & permits

Tampa construction services ↗

City of Tampa

Access building-permit, inspection, plan-review, flood-information and post-hurricane permitting guidance. The city’s process differs from unincorporated Hillsborough County.

Free public guidance. Permitting and formal review services can carry fees.

Open source ↗
Risk & insurance

FEMA Flood Map Service Center ↗

U.S. communities with FEMA flood mapping

Find official flood-map products and flood-insurance studies for an initial address review. A mapped zone is not a guarantee against flooding or an insurance quote.

Public map service linked by FEMA’s FloodSmart. Browser access may vary; inspect map dates and revisions.

Open source ↗
Risk & insurance

FloodSmart flood-insurance education ↗

United States · National Flood Insurance Program

Learn how flood risk, coverage and the National Flood Insurance Program work. Educational material does not establish a property’s insurability, premium or exact coverage.

Free public education. Buying a policy is a separate paid action; no quote is requested by StackX.

Open source ↗
Risk & insurance

NOAA Sea Level Rise Viewer ↗

Mapped U.S. coastal areas; useful for coastal Houston and Tampa context

Explore coastal inundation scenarios and mapping confidence. NOAA describes this as a planning reference, not a parcel-specific flood prediction or permitting determination.

Free interactive viewer. Coverage varies; scenarios exclude some processes and require site-level follow-up.

Open source ↗
Risk & insurance

NAIC property-insurance basics ↗

United States · state insurance regulator association

Understand homeowners coverage, deductibles and questions to bring to an insurer. General homeowners information does not confirm construction, builder’s-risk, vacancy or business coverage.

Free public education from the NAIC. Coverage and pricing require property-specific policy review.

Open source ↗
Financing & tax education

CFPB Loan Estimate explainer ↗

U.S. consumer home mortgages

Learn to read mortgage payments, closing costs, cash to close and loan comparisons. Consumer Loan Estimate rules and forms do not automatically apply to business-purpose or commercial loans.

Free educational tool for buyer financing. The sample is illustrative, not a current interest-rate offer or construction-loan quote.

Open source ↗
Rental reference

HUD Fair Market Rents ↗

HUD metro areas, area subdivisions and nonmetropolitan counties

Look up HUD rent benchmarks by bedroom count and fiscal year. FMRs are program benchmarks, not a guarantee of voucher payment, current asking rents or rents for a specific building.

Free public lookup and downloads. The separate API requires an access token; this directory uses no API.

Open source ↗
Multifamily reference

HUD multifamily financing programs ↗

United States · eligible multifamily projects

Compare descriptions of FHA multifamily mortgage-insurance programs for development, rehabilitation and other uses. Program descriptions are not loan approval or a financing commitment.

Free program information. Borrower, property and lender requirements apply; loans and applications have costs.

Open source ↗
Rental reference

IRS residential rental-property guide ↗

U.S. federal tax treatment of residential rental activity

Find Publication 527 and updates covering rental income, expenses, depreciation and special situations. Apply the correct tax-year rules; the publication does not determine your individual tax treatment.

Free official publication. Federal guidance does not replace state or local tax requirements.

Open source ↗

Turn your sources into a site decision.

Record documents, dates and open questions in a land passport, with guided checks for Raleigh and Charlotte. Use the local authority links above for other markets.

Reading these resources does not require a StackX account or paid data subscription. Applications, insurance policies, loans and some government services have their own requirements and costs. StackX is not affiliated with or endorsed by the linked organizations. Report a broken link or correction.