Pest control · Rialto, California

Pest control in Rialto, CA

Termites, ants, roaches, scorpions or rodents? 69% of Rialto's homes are detached houses^[1], and 4% were built since 2010. Request a licensed pest-control company that services the area. Rialto, in San Bernardino County — ZIPs 92376, 92377, 92316, counts 106,554 residents (2025 estimate)^[2].

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Rialto pest control snapshot: the key figures

Population (2025 est.): 106,554^[2]+2.5% since 2020
County: San Bernardino^[2]
Land area: 24.1 sq mi^[3]
Population density: 4,420 / sq mi^[2]^[3]
Detached single-family homes: 69%^[1]the 7th-lowest share of the 15 Inland Empire suburbs we cover
Homes built 2010 or later: 4%^[1]the lowest share of the 15 Inland Empire suburbs we cover
People per square mile of land: 4,420^[2]^[3]the 3rd-densest of the 15 Inland Empire suburbs we cover
Households renting: 34%^[1]2020–2024
Population change, 2020–2025: +2.5%^[2]the 5th-slowest-growing of the 15 Inland Empire suburbs we cover
Land area: 24.1 sq mi^[3]city limits

What Rialto's numbers say about pest control

Rialto is one of the most established suburbs tracked here — 106,554 people (2025 estimate), up just 2.5% since 2020^[2]. It covers 24.1 square miles (4,420 residents per square mile, the 3rd densest), sits entirely in San Bernardino County, in ZIP codes 92376, 92377, 92316^[3].

Building amid 2.5% growth since 2020 pushes construction into previously open land, which stirs up the pests already living there — and denser housing gives them more neighboring homes to visit.

Mail to Rialto goes through 3 ZIP codes — 92376 (51% of the city's land), 92377 (26% of the city's land), 92316 (16% of the city's land)^[4].

The closest tracked neighbours are Fontana (4.2 mi W), Rancho Cucamonga (10.2 mi W) and Redlands (13.3 mi E)^[3].

69% of Rialto's 27,973 housing units are detached houses^[1] — the 7th-lowest share of the 15 Inland Empire suburbs we cover; nearby, Fontana (77%), Rancho Cucamonga (62%), and Redlands (62%). With more attached housing, pests move between units — whole-building treatment matters more.

4% of homes were built in 2010 or later^[1] (the lowest share of the 15 Inland Empire suburbs we cover; Fontana (11%), Rancho Cucamonga (8%), and Redlands (6%) nearby), and population changed +2.5% from 2020 to 2025^[2]. Most houses here are past any builder termite warranty.

About 4,420 people live per square mile of land across 24.1 square miles^[2]^[3] — the 3rd-densest of the 15 Inland Empire suburbs we cover. Close neighbours share fences, walls and pest pressure.

34% of households rent and 66% own^[1].

Out of the 15 suburbs on this site, Rialto has the 2nd-most flood reports nearby (51, tied with Rancho Cucamonga)^[5], the 3rd-densest settlement (4,420)^[2]^[3], and the 3rd-oldest housing (by median year built) (1982)^[1].

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Pest control contractors taking requests around Rialto cover ZIP codes 92376, 92377, 92316.

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Before reaching out: choosing a pest-control plan

Rialto by the numbers

Rialto against the typical suburb we cover (median of 15)^[5]^[2]^[3]^[1]
Measure	Rialto	Median of 15	Difference
Flood reports (10 mi)	51	34	17 more
Residents per sq mi	4,420	3,231	37% denser
Growth since 2020	2.5%	2.9%	about the same
Renter-occupied	34%	36%	2 pts lower
Detached single-family	69%	73%	4 pts lower
Median year built	1982	1989	7 years older

Biggest gaps first. Medians are middle values across the Inland Empire suburbs we cover, drawn from the same sources.

How Rialto compares with its nearest neighbours^[2]^[3]^[3]
City	People / sq mi	Growth since 2020	Population
Rialto	4,420	2.5%	106,554
Fontana 4.2 mi	5,111	6.1%	221,223
Rancho Cucamonga 10.2 mi	3,823	1.9%	177,856
Redlands 13.3 mi	2,058	1.3%	74,128
Ontario 13.6 mi	3,741	6.7%	187,013
Eastvale 15.4 mi	5,568	1.2%	70,594

Rialto housing and households^[1]
Measure	Value
Housing units	27,973
Detached single-family	19,298 (69%)
Occupied homes	27,047
Owner-occupied	17,901 (66%)
Renter-occupied	9,146 (34%)
Median home value	$487,900

ACS 2020–2024 estimates.

When Rialto's 27,973 housing units were built^[1]
Built	Units	Share	Margin of error
2020 or later	362	1.3%	±147
2010 to 2019	870	3.1%	±176
2000 to 2009	1,696	6.1%	±331
1990 to 1999	3,742	13.4%	±361
1980 to 1989	8,983	32.1%	±611
1970 to 1979	4,393	15.7%	±567
1960 to 1969	2,690	9.6%	±381
1950 to 1959	4,111	14.7%	±461
1940 to 1949	610	2.2%	±238
1939 or earlier	516	1.8%	±146

ACS 2020–2024 estimates; margins of error are the Census Bureau's 90% intervals.

ZIP code areas covering Rialto^[4]
ZIP (ZCTA)	Share of Rialto's land	Share of the ZIP inside the city
92376	51%	92%
92377	26%	88%
92316	16%	32%

pest control questions from Rialto homeowners

My Rialto home is new — do I need termite protection?

Check your closing documents for a builder termite pre-treatment and warranty first. 4% of Rialto homes were built in 2010 or later^[1].

I rent in Rialto. Who pays for pest control?

Your lease decides. 34% of Rialto households rent^[1].

Which areas does this page cover?

ZIP 92376, 92377, and 92316^[4], San Bernardino County. Nearest suburbs with their own pages: Fontana (4.2 mi), Rancho Cucamonga (10.2 mi), and Redlands (13.3 mi)^[3].

A lot of Rialto homes predate 1980 — what does that mean for termite pre-treatment work?

44% of Rialto's housing units were built before 1980, 18.7% before 1960^[1] — the 3rd-highest share of the 15 Inland Empire suburbs we cover. Older houses tend to have more gaps at the foundation, eaves and utility penetrations — ask the inspector to show you the entry points, not just treat.

Sources

Data pulled Sep 28, 2026. Full citations and method.