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Linn County Home Building Costs

Building a house in Linn County, Iowa costs about $166/sq ft in 2026 — roughly $292,160$371,840 for a 2,000 sq ft mid-range home (construction only, land excluded). Population: 230,000.

County $/sq ft
$166
Iowa avg: $163
vs State Average
+2%
Local market premium
2,000 sq ft home
$292,160$371,840
Mid-range estimate range

Real Permit Activity in Linn County (2025)

Single-Family Permits Issued
418
1-unit structures, 2025
Avg. Declared Valuation
$317,897
Per single-family unit

Permit valuations are builder-declared at filing and typically understate final construction cost.

Source: U.S. Census Bureau Building Permits Survey, 2025 annual data.

Local Market Factors

What building in Linn County actually involves

Cost per square foot is one number. These are the local conditions behind it.

How busy this market is

Linn County ranks 4th of 99 counties in Iowa for single-family permits issued in 2025, accounting for 5.7% of all the single-family homes permitted statewide that year.

That puts it among the busiest building markets in the state — deep contractor supply, but also the most competition for their time.

U.S. Census Bureau Building Permits Survey, co2025a.txt (2025).

What land adds on top

Land averages 19.8% of finished property value in Iowa, which is a markup of about 25% on construction cost. For the $332,000 build above, that implies roughly $83,000 for the lot.

This is a statewide figure. Lots inside Linn County's built-up areas will run above it and rural parcels below, so treat it as an order of magnitude rather than a budget line.

FHFA Working Paper 19-01 land values.

What the trades cost

All construction trades$28.59/hr
Carpenter$27.75/hr
Electrician$29.26/hr
Plumber$30.72/hr

Median hourly wage, Iowa. BLS Occupational Employment and Wage Statistics, May 2025.

Climate, spec and timing

  • 6,533 heating and 909 cooling degree days a year in Iowaheating drives the mechanical budget. (NOAA, 2016-2025 average)
  • The median new home in the Midwest is 1,969 sq ft and the Census median contract price there is $194.09/sq ft, excluding land — the same basis as our estimate above. (Census Survey of Construction 2025)
  • Iowa issued 7,326 single-family permits in 2025 overall. See the 35-year state history.

Reconciling our estimate with permit filings

The average declared valuation on Linn County permits was $317,897 per single-family unit, against our $332,000 estimate for a 2,000 sq ft mid-range build. These two numbers are not measuring the same thing and should not match: builders declare a valuation for permit-fee purposes, which is routinely below the finished construction cost, and the permits cover homes of every size and finish level rather than a 2,000 sq ft mid-range one. We show both because the gap between them is itself informative — and because quoting only the flattering one would be dishonest.

Cost by Home Size in Linn County

Home SizeBasicMid-RangePremium
500 sq ft$61,367$83,000$113,021
1,000 sq ft$122,734$166,000$226,043
1,500 sq ft$184,101$249,000$339,064
2,000 sq ft$245,468$332,000$452,085
2,500 sq ft$306,835$415,000$565,106
3,000 sq ft$368,202$498,000$678,128
4,000 sq ft$490,936$664,000$904,170
5,000 sq ft$613,670$830,000$1,130,213

Costs are estimates only and represent construction costs, excluding land, architect fees, permits, and landscaping. Land in Iowa averages 19.8% of finished property value (FHFA), which adds roughly 25% on top of these construction figures.

County multiplier of 1.02× applied to Iowa state average (which itself is 0.87× the national average of $188/sq ft).

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Cost data: HouseBuildCalc Permit Cost Index (876,000+ building permits, 1,700+ ZIP codes), U.S. Census Bureau Survey of Construction, BLS Producer Price Index, NAHB Cost of Constructing a Home (published summaries). County-level multipliers are estimates derived from regional market data. For planning purposes only.