ZIP Code 80305 — Boulder, CO Home Prices (2026)
The typical home in ZIP 80305 (Boulder, Colorado) is worth about $984,000 at roughly $614 per square foot — about the same as the Boulder median and 235% more expensive than the typical U.S. home.
How 80305 compares
ZIP 80305 is a mid-priced ZIP code for Boulder: its typical home value of $984,000 ranks #3 of the 5 Boulder ZIP codes we track (the citywide range runs from $708,000 in 80301 to $1,229,000 in 80304). Per square foot it costs about $614, against $614 for Boulder as a whole, $273 for Colorado, and $195 nationally.
| Area | Typical value | $ / sq ft |
|---|---|---|
| ZIP 80305 | $984,000 | $614 |
| Boulder, CO | $984,000 | $614 |
| Colorado | $500,000 | $273 |
| United States | $294,000 | $195 |
Home value by size in 80305
Using this ZIP’s rate of about $614 per square foot. Condition, lot, and the exact street move these meaningfully — use the estimator below for a home-specific figure.
| Home size | Estimated value |
|---|---|
| 1,000 sq ft | $614,000 |
| 1,500 sq ft | $921,000 |
| 2,000 sq ft | $1,228,000 |
| 2,500 sq ft | $1,535,000 |
| 3,000 sq ft | $1,842,000 |
Salary needed to buy a home in ZIP 80305
To buy the typical $984,000 home in ZIP 80305 with 20% down, you need a household income of roughly $268,000 a year (about $6,250 a month for the mortgage, taxes, and insurance). With 10% down the bar rises to about $318,000, because the loan is bigger and mortgage insurance kicks in.
| Down payment | Cash down | Monthly payment | Income needed |
|---|---|---|---|
| 5% (+PMI) | $49,200 | $7,760/mo | $333,000/yr |
| 10% (+PMI) | $98,400 | $7,420/mo | $318,000/yr |
| 20% | $196,800 | $6,250/mo | $268,000/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 80305
At about $614 per square foot, here is roughly how much home different budgets get you in ZIP 80305:
| Budget | Approx. size | What that looks like locally |
|---|---|---|
| $500k | 810 sq ft | below the local median — condos, smaller or older homes |
| $600k | 980 sq ft | below the local median — condos, smaller or older homes |
| $750k | 1220 sq ft | below the local median — condos, smaller or older homes |
| $1.00M | 1630 sq ft | around the typical home here |
| $1.50M | 2440 sq ft | above the median — larger homes or the pricier ZIPs |
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 80305 home.
Estimate a specific home in 80305
The estimator below is pre-set to ZIP 80305 — pick your home’s size for an instant ballpark, then open the full calculator to adjust beds, baths, and condition.
All Boulder ZIP codes by home value
Where 80305 sits among Boulder’s 5 ZIP codes:
| # | ZIP code | Typical value | $ / sq ft |
|---|---|---|---|
| 1 | 80304 | $1,229,000 | $630 |
| 2 | 80302 | $1,109,000 | $686 |
| 3 | 80305 (this page) | $984,000 | $614 |
| 4 | 80303 | $821,000 | $494 |
| 5 | 80301 | $708,000 | $405 |
ZIP 80305 home prices: frequently asked
What is the average home price in ZIP code 80305? +
What is the price per square foot in 80305? +
What salary do you need to buy a house in ZIP 80305? +
Is 80305 an expensive ZIP code? +
See the full Boulder 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.