ZIP Code 80229 — Thornton, CO Home Prices (2026)

The typical home in ZIP 80229 (Thornton, Colorado) is worth about $422,000 at roughly $273 per square foot — 14% more affordable than the Thornton median and 44% more expensive than the typical U.S. home.

$422,000
Typical home value
$273
Price per sq ft
#4 of 4
Thornton ZIPs by value
-14%
vs Thornton median

How 80229 compares

ZIP 80229 is one of the more affordable ZIP codes in Thornton: its typical home value of $422,000 ranks #4 of the 4 Thornton ZIP codes we track (the citywide range runs from $422,000 in 80229 to $645,000 in 80602). Per square foot it costs about $273, against $244 for Thornton as a whole, $273 for Colorado, and $195 nationally.

AreaTypical value$ / sq ft
ZIP 80229$422,000$273
Thornton, CO$489,000$244
Colorado$500,000$273
United States$294,000$195

Home value by size in 80229

Using this ZIP’s rate of about $273 per square foot. Condition, lot, and the exact street move these meaningfully — use the estimator below for a home-specific figure.

Home sizeEstimated value
1,000 sq ft$273,000
1,500 sq ft$409,500
2,000 sq ft$546,000
2,500 sq ft$682,500
3,000 sq ft$819,000

Salary needed to buy a home in ZIP 80229

To buy the typical $422,000 home in ZIP 80229 with 20% down, you need a household income of roughly $115,000 a year (about $2,680 a month for the mortgage, taxes, and insurance). With 10% down the bar rises to about $136,000, because the loan is bigger and mortgage insurance kicks in.

Down paymentCash downMonthly paymentIncome needed
5% (+PMI)$21,100$3,330/mo$143,000/yr
10% (+PMI)$42,200$3,180/mo$136,000/yr
20%$84,400$2,680/mo$115,000/yr

Assumes a 30-year fixed mortgage at 6.5%, property tax at 1.1% and insurance at 0.45% of value per year, PMI of 0.75% on loans with less than 20% down, and the standard 28% housing-to-income rule. Your rate, taxes, and HOA will move these — run your own numbers in the mortgage calculator.

What your budget buys in ZIP 80229

At about $273 per square foot, here is roughly how much home different budgets get you in ZIP 80229:

BudgetApprox. sizeWhat that looks like locally
$200k730 sq ftbelow the local median — condos, smaller or older homes
$250k920 sq ftbelow the local median — condos, smaller or older homes
$300k1100 sq ftbelow the local median — condos, smaller or older homes
$400k1470 sq ftaround the typical home here
$500k1830 sq ftaround the typical home here

Wondering where that budget goes further? The relocation calculator ranks hundreds of U.S. cities by what the same money buys — it opens pre-filled with a typical 80229 home.

Estimate a specific home in 80229

The estimator below is pre-set to ZIP 80229 — pick your home’s size for an instant ballpark, then open the full calculator to adjust beds, baths, and condition.

All Thornton ZIP codes by home value

Where 80229 sits among Thornton’s 4 ZIP codes:

#ZIP codeTypical value$ / sq ft
180602$645,000$219
280241$512,000$259
380233$466,000$228
480229 (this page)$422,000$273

ZIP 80229 home prices: frequently asked

What is the average home price in ZIP code 80229? +
The typical home in ZIP 80229 (Thornton, CO) is worth about $422,000 as of 2026. That is 14% more affordable than the Thornton median of $489,000 and 44% more expensive than the U.S. median of $294,000.
What is the price per square foot in 80229? +
About $273 per square foot in 80229, versus $244 across Thornton and $273 across Colorado. At that rate a 1,500 sq ft home runs roughly $409,500 and a 2,500 sq ft home about $682,500.
What salary do you need to buy a house in ZIP 80229? +
For the typical $422,000 home in ZIP 80229, a household income of about $115,000 a year covers the payment with 20% down (a 30-year fixed at 6.5%, plus taxes and insurance, under the 28% rule). With 10% down you need roughly $136,000; with 5% down about $143,000.
Is 80229 an expensive ZIP code? +
Within Thornton, 80229 ranks #4 of 4 ZIP codes by typical home value, which makes it one of the more affordable ZIP codes in Thornton. Nationally it is relatively expensive.

See the full Thornton home values page, all Colorado cities, or price per square foot by ZIP code nationwide.

Directional estimates from public market data (Realtor.com & Zillow research), not appraisals. A single ZIP contains very different homes; actual values vary and change over time.