Market facts for spray foam contractors in Modesto
Each figure links to its public source and shows the date it applies to.
Population
219,652
Estimate for July 1, 2025
Source: U.S. Census Bureau, Vintage 2025 population estimates for cities and towns. As of July 1, 2025.
County
Stanislaus County
County that contains the city's central point
Source: U.S. Census Bureau Geocoder (2020 county boundaries). As of 2020.
IECC climate zone
3B
dry climate, zone 3 of 8
Source: U.S. DOE and PNNL, Guide to Determining Climate Zone by County: Building America and IECC 2021 Updates (PNNL-33270). As of October 21, 2022.
Heating degree days per year
2,300
Normal, base 65 F, measured at MODESTO CITY CO AP
Source: NOAA NCEI 1991-2020 U.S. Climate Normals. As of 1991-2020.
Cooling degree days per year
1,624
Normal, base 65 F, measured at MODESTO CITY CO AP
Source: NOAA NCEI 1991-2020 U.S. Climate Normals. As of 1991-2020.
Median year homes were built
1979
National median: 1981 (survey estimate, with a margin of error)
Source: U.S. Census Bureau, 2024 American Community Survey 1-year estimates, table B25035. As of 2024.
Homes built before 1980
51%
National: 48% (survey estimate)
Source: U.S. Census Bureau, 2024 American Community Survey 1-year estimates, table B25034. As of 2024.
Owner-occupied homes
60%
National: 65% (survey estimate)
Source: U.S. Census Bureau, 2024 American Community Survey 1-year estimates, table B25003. As of 2024.
Median home value
$467,600
Owner-occupied homes. National: $360,600 (survey estimate)
Source: U.S. Census Bureau, 2024 American Community Survey 1-year estimates, table B25077. As of 2024.
Main heating fuel
utility gas (64%)
Share of occupied homes (survey estimate)
Source: U.S. Census Bureau, 2024 American Community Survey 1-year estimates, table B25040. As of 2024.
What this means for your marketing in Modesto
60% of occupied homes in Modesto are owner-occupied (nationally: 65%), and the median home value is $467,600 (nationally: $360,600). That is close to the national mix of owners and renters.
Modesto is in Stanislaus County, which falls in IECC climate zone 3B. NOAA's 1991-2020 normals for MODESTO CITY CO AP (about 3 miles away) show 2,300 heating degree days and 1,624 cooling degree days in a typical year, so heating and cooling both matter. For a spray foam or insulation contractor, demand is not tied to one season: searches can be about summer attic heat or winter drafts and heating bills, so pages and ads that cover both work better than one seasonal message. The "B" in 3B marks a dry climate, so the story is mostly temperature and energy bills rather than humidity.
The Census Bureau's 2024 American Community Survey puts the median home in Modesto at a build year of 1979 (nationally: 1981), and 51% of its homes were built before 1980 (nationally: 48%). That is close to the national picture, so a mix of retrofit pages for older homes and pages for newer construction fits the market.
Of occupied homes in Modesto, 64% heat mainly with utility gas and 32% with electricity (ACS 2024). With utility gas heating most homes, owners compare their winter gas bills, so comfort and heating-bill savings are the familiar angle.
Modesto had an estimated 219,652 residents on July 1, 2025 (U.S. Census Bureau). Google Maps rankings change from one part of a market to the next, so being visible near your shop does not mean being visible across the whole service area. The free Market Visibility Audit shows your ranking at a grid of points around your business.
How the Google Maps grid works in a market like Modesto
Google Maps does not show one ranking for a whole city. The result changes block by block, depending on where the searcher is standing. Our audit searches from a grid of points around your business and records where you appear at each one. Green means you are in the top 3 at that spot. Red means customers there are not finding you.
Example from a client in Baton Rouge, Louisiana, not Modesto
Services for Modesto contractors
SEO Services for Insulation Companies
Rank higher on Google, attract the right local traffic, and convert visits into real leads with organic growth built for spray foam contractors.
Google Business Profile Optimization
Improve your Google Business Profile and local search visibility so your insulation company appears more often across Google Maps, manages reviews well, and turns views into phone calls.
Google Ads Management
Capture demand from homeowners and builders actively searching for a contractor right now, while your Google Maps and SEO visibility build behind it.
Facebook & Instagram Ads
Paid Facebook and Instagram campaigns with lead forms, landing pages and retargeting that turn homeowners scrolling their feed into estimate requests.
Website Development
Fast, mobile-friendly websites built for SEO, lead conversion, and trust, engineered to turn visitors into paying customers.
Reputation Management
Get more 5-star reviews, respond to feedback fast, and build a reputation that wins trust and wins more local jobs.
Results from other markets
These are real client results from the markets named. Client companies are not identified, and results vary by market.
Spray foam marketing in Modesto: FAQ
What climate zone is Modesto in, and why does it matter for my marketing?+
Stanislaus County is in IECC climate zone 3B (U.S. Department of Energy and PNNL, 2022). Climate zone drives what insulation work homeowners ask about, so it shapes which services and keywords to put first on your website and in your ads.
Is heating or cooling the bigger driver in Modesto?+
NOAA's 1991-2020 normals for the nearest weather station show 2,300 annual heating degree days and 1,624 annual cooling degree days. The two are close, which is a useful starting point for choosing what to promote.
How old are the homes in Modesto, and does it change what I should sell?+
The Census Bureau's 2024 American Community Survey estimates a median build year of 1979 and 51% of homes built before 1980 in Modesto. That is near the national mix, so cover both retrofit and new construction.
Do most people in Modesto own their homes?+
The 2024 American Community Survey estimates that 60% of occupied homes in Modesto are owner-occupied, compared with 65% nationally. Owners are usually the ones who buy insulation work, so this is the size of the group your marketing is aimed at.
How big is the Modesto market?+
The U.S. Census Bureau estimated 219,652 residents in Modesto on July 1, 2025. Population is only one input. The audit shows how many positions you actually hold on Google Maps across the area.
Do you have an office in Modesto?+
No. Our office is in Vancouver, Washington. We work with spray foam and insulation contractors across the United States and Canada.
How do I see where my company ranks in Modesto?+
Run the free Market Visibility Audit. It checks your Google Maps ranking at a grid of points around your business and shows the map in a few minutes.
Other areas in California
See where your company ranks in Modesto.
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