ZIP 91730 MARKET DATA · THREE MONTHS TO SEPTEMBER 2026

91730 (Rancho Cucamonga) housing market data

The median home in ZIP 91730 in Rancho Cucamonga sold for $679,800 in the three months to September 2026, −0.8% on a year earlier. 105 homes sold, taking a median 40 days, at 100.0% of list price on average. The San Bernardino County median was $548,772.

$680kMedian sale price, three months to September 2026 (−0.8% in a year)
40Median days on market
100.0%Average sale-to-list price
105Homes sold in three months (+0.0% in a year)
$425Median price per square foot
+23.9%Against the San Bernardino County median
MARKET TYPE · THREE MONTHS TO SEPTEMBER 2026Balanced market

Neither side has a clear edge: price and condition decide most sales, and well-priced homes still sell in about a month.

100.0% of list price on average · 39% sold above asking · 40 days on market · 3.5 months of supply, ZIP 91730 in Rancho Cucamonga. How we decide

91730 home prices

Among the 61 San Bernardino County ZIP codes with at least 10 sales, 91730 has the 11th highest median price and the 9th fastest sales.

How fast homes sell in 91730

Buyers and sellers in 91730

Sold above list price39.8%
Went under contract within two weeks28.4%
New listings in three months134
Homes for sale119
Months of supply3.5

91730 prices by property type

ZIP 91730 by property type, three months to September 2026 (5+ sales)
TypeMedian price1 yearDays on marketSold
Single Family$752,810+3.2%3465
Condo/Co-op$520,735−6.2%4433
Townhouse$524,001+0.8%686

What it costs to buy in 91730

At the median price and this week's average 30-year rate, a buyer putting 20% down pays about $4,273 a month in principal, interest and base property tax, before insurance, HOA dues and any special taxes. Lenders commonly cap housing costs at 28% of gross income, which points to a household income of about $183,118. That is 2.0 times the median household income of $92,237. The Census puts the median rent at $2,299 a month, so owning the median home costs about $1,974 a month more than renting, before tax deductions and equity.

What the median ZIP 91730 home costs each month
Median sale price$679,800
20% down payment$135,960
Principal and interest, 30-year fixed at 7.24%$3,706 a month
Property tax at the 1% Prop 13 base$566 a month
Household income needed (28% guideline)$183,118 a year
Median household income here (Census)$92,237 a year
Median gross rent here (Census)$2,299 a month

Who lives in 91730

Who lives in ZIP 91730 (Census ACS 5-year, 2024)
Population71,613
Median household income$92,237
Median home value (owners' estimate)$616,300
Median gross rent$2,299 a month
Homes owner-occupied47.3%
Housing units26,697

Nearby ZIP codes

Nearby ZIP codes, three months to September 2026
ZIPAreaMedian price1 yearDays on market
91701Rancho Cucamonga$866,745+5.1%41
91739Rancho Cucamonga$934,725−4.1%56
91737Rancho Cucamonga$909,733+6.5%40
91710Chino$774,772+6.1%47
91709Chino Hills$984,711−1.5%43
91708Chino$699,794+2.9%47
91761Ontario$633,823−8.1%59
91762Ontario$676,301+6.5%42

Every metric for 91730, month by month

ZIP 91730, rolling three-month figures, last 13 months
Three months toMedian price1 year$/sq ftSoldNew listingsDays on marketSale-to-list
September 2026$679,800−0.8%$42510513440100.0%
August 2026$700,000+0.7%$425991414099.8%
July 2026$662,000−5.8%$4241001334299.7%
June 2026$635,000−3.0%$422941304499.5%
May 2026$644,000−0.2%$42910112443100.0%
April 2026$670,000+4.5%$4401051294799.7%
March 2026$671,400+14.3%$4481001394599.8%
February 2026$680,000+3.0%$446831235699.3%
January 2026$675,000−0.9%$445701095799.4%
December 2025$656,995−6.3%$43188926599.4%
November 2025$663,000−6.1%$452109965099.3%
October 2025$660,000−4.3%$4521171024999.3%
September 2025$685,000+0.7%$4741051254299.4%

Taxes and costs

Property tax, transfer tax, Mello-Roos and insurance work the same across San Bernardino County; see the county page for the rules.

COMMON QUESTIONS

91730 housing market,
answered.

What is the median home price in 91730?+

$679,800 for homes sold in the three months to September 2026 (Redfin), +23.9% against the San Bernardino County median.

Are home prices going up in 91730?+

The three-month median is −0.8% on a year earlier. With 105 sales in the period, a few unusual sales can move a ZIP median, so read it alongside the county trend.

How fast do homes sell in 91730?+

A median 40 days from listing to accepted offer, against 54 across San Bernardino County.

What area is ZIP 91730?+

ZIP 91730 is in Rancho Cucamonga, San Bernardino County, California.

METHOD AND SOURCES

How this data works

Redfin Data Center figures from the Redfin Data Center. ZIP figures are rolling three-month periods; Redfin uses them because single months in one ZIP are too few sales to be reliable. The area name is from Zillow's ZIP data. The compilation is ours.