Spray Foam Genius Marketing helps spray foam and insulation contractors in San Francisco, California win more jobs from homeowners and builders searching in that market. The paragraphs under this one use only the public figures already on the page, each of which keeps its source and date in the cards below. The climate zone on this page is 3C. The population line reads 826,079. They are a reading of those figures for a contractor, not a new study.
Heating fuel in San Francisco, as published here, is utility gas (53%). The note on that line says: Share of occupied homes (survey estimate). Ads can name that fuel. They should not promise a bill outcome the source does not state.
San Francisco's median build year on this page is 1946. That year is earlier than the national median of 1981 printed in the same note. The note on that line says: National median: 1981 (survey estimate, with a margin of error). Pair it with the share of homes built before 1980 when that line exists, because a median hides the older tail.
Look at the zone before you write service pages for San Francisco. It is 3C. The moisture letter on this zone is marine (3C). Note: marine climate, zone 3 of 8. On the IECC scale used on our state pages, the number rises as the climate gets colder, from 1 (hot) to 8 (subarctic). The citation sits on the climate card below. Publisher: U.S. DOE and PNNL, Guide to Determining Climate Zone by County: Building America and IECC 2021 Updates (PNNL-33270).
The local reading for San Francisco is ordinary, and it is specific. Heating is the larger degree-day number and the zone is marine, so drafts, cold rooms, and wet winters are the first story for San Francisco. With owner-occupancy at 37%, a San Francisco campaign that speaks only to resident homeowners is aimed at the smaller tenure group. Check it against the grid. A message can be right for the climate and still be invisible three miles from the shop.
Degree days on this page: 2,781 heating and 121 cooling. Both figures use base 65 F. The heating note says the reading was measured at SAN FRANCISCO DWTN. Heating (2,781) is larger than cooling (121). Pages and ads can lead with cold rooms, drafts, and heating bills. Those are the published normals, not a forecast for a given year.
Before-1980 construction is 75% in San Francisco. That share is higher than the national figure of 48% in the same note. The note on that line says: National: 48% (survey estimate). Combine this with the median year rather than quoting only one of them in an ad.
Contractors sizing up San Francisco can start from 826,079 residents. The note on that line says: Estimate for July 1, 2025. Source on this page: U.S. Census Bureau, Vintage 2025 population estimates for cities and towns, as of July 1, 2025. The county line reads San Francisco County. The marketing question is which part of that population can hire the work, and the housing lines further down are the closer read when they are present.
The median value line reads $1,314,700 for San Francisco. That is higher than the national figure of $360,600 in the same note. Treat it as a reference from the cited survey, not today's asking price. Market prices move after the survey date printed on the card.
Tenure is part of the marketing picture in San Francisco: 37% of occupied homes are owner-occupied. That is lower than the national figure of 65% in the same note. The city figure is under half, so renters are a large part of occupied homes. Renters are less often the person who hires insulation, which makes owners and landlords the tighter audience. Landlords and builders remain a separate audience when the owner share is modest.
The free Market Visibility Audit checks Google Maps at a grid of points around a San Francisco business and shows where the company is in the top three and where it is not. Book a strategy call if you would rather walk through the market first. Spray Foam Genius Marketing works with spray foam and insulation contractors from its office in Vancouver, Washington. We do not sell shared leads.
Local area
What Census files list for San Francisco. If a line is missing, that file had nothing that met the overlap rule. Nothing here is estimated.
ZIP codes. 94124, 94112, 94122, 94132, 94134, 94121, 94116, 94110, 94129, 94131, 94118, 94127, 94107, 94114, 94103, 94117, 94115, 94123, 94109, 94130, 94102, 94133, 94158, 94105, 94111, 94108, 94188, 94104.
These are 2020 Census ZIP Code Tabulation Areas that overlap San Francisco. A ZCTA is the Census stand-in for a ZIP code. It is not a USPS delivery list. Source: U.S. Census Bureau, 2020 ZCTA to Place Relationship File. Retrieved 2026-10-31.
Primary roads. US Highway 101, I-280, James Lick Freeway, I-80, State Route 1, Bay Bridge.
Limited-access highways from the 2020 Census TIGER primary roads file that cross the city boundary. Interstate labels drop the space Census stores after the hyphen. Short Census forms in the road names are written as full words. Interstate, US, state, and Puerto Rico route numbers stay as route designators. A road stored with both & and and is listed once. Source: U.S. Census Bureau, TIGER/Line 2020 Primary Roads (MTFCC S1100). Retrieved 2026-10-31.
Landmarks. Golden Gate Park, John McLaren Park.
Named Census area landmarks that overlap San Francisco: airports, national park land, national forest or other federal land, state parks, and larger parks. Largest overlap first, up to five. Abbreviations in those names are written out, and a Park- prefix is shown as the place name followed by Park. Source: U.S. Census Bureau, TIGER/Line 2020 Area Landmarks. Retrieved 2026-10-31.
Market facts for spray foam contractors in San Francisco
Population
826,079
Estimate for July 1, 2025
Source: U.S. Census Bureau, Vintage 2025 population estimates for cities and towns. As of July 1, 2025.
County
San Francisco County
County that contains the city's central point
Source: U.S. Census Bureau Geocoder (2020 county boundaries). As of 2020.
IECC climate zone
3C
marine 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
2,781
Normal, base 65 F, measured at SAN FRANCISCO DWTN
Source: NOAA NCEI 1991-2020 U.S. Climate Normals. As of 1991-2020.
Cooling degree days per year
121
Normal, base 65 F, measured at SAN FRANCISCO DWTN
Source: NOAA NCEI 1991-2020 U.S. Climate Normals. As of 1991-2020.
Median year homes were built
1946
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
75%
National: 48% (survey estimate)
Source: U.S. Census Bureau, 2024 American Community Survey 1-year estimates, table B25034. As of 2024.
Owner-occupied homes
37%
National: 65% (survey estimate)
Source: U.S. Census Bureau, 2024 American Community Survey 1-year estimates, table B25003. As of 2024.
Median home value
$1,314,700
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 (53%)
Share of occupied homes (survey estimate)
Source: U.S. Census Bureau, 2024 American Community Survey 1-year estimates, table B25040. As of 2024.
Each figure links to its public source and shows the date it applies to.
Drawn from the sourced figures above. No new numbers.
Homes built before 1980
Owner-occupied homes
Median home value
Heating and cooling load in a typical year
Degree days per year, a standard measure of how much heating or cooling a climate needs.
What this means for your marketing in San Francisco
37% of occupied homes in San Francisco are owner-occupied (nationally: 65%), and the median home value is $1,314,700 (nationally: $360,600). Renters make up a large part of the city, and renters are less often the ones who commission insulation work, so the buyers you want are a smaller group of owners and landlords. It is worth checking in your Google Maps grid whether the strongest demand sits in the suburbs and towns around the city. Higher home values tend to go with owners who spend on comfort and performance, so quality, warranty and results messaging usually works better than leading with price.
San Francisco is in San Francisco County, which falls in IECC climate zone 3C. NOAA's 1991-2020 normals for SAN FRANCISCO DWTN (about 33 miles away) show 2,781 heating degree days and 121 cooling degree days in a typical year, so heating is the larger load. For a spray foam or insulation contractor, that tends to move what homeowners search for toward cold rooms, drafts, high heating bills and ice dams. The "C" in 3C marks a marine climate with mild temperatures and plenty of moisture, so air sealing and moisture control belong in the message.
The Census Bureau's 2024 American Community Survey puts the median home in San Francisco at a build year of 1946 (nationally: 1981), and 75% of its homes were built before 1980 (nationally: 48%). That is an older housing stock. Older homes are where attic insulation, air sealing and rim joist work tend to pay off for the owner, so retrofit and energy-bill messaging usually fits better here than a new-construction pitch.
Of occupied homes in San Francisco, 53% heat mainly with utility gas and 38% 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.
San Francisco had an estimated 826,079 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 San Francisco
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. Run it for the San Francisco service area you want. A good result next to the office can sit beside a miss a few miles away.
Example from a client in Baton Rouge, Louisiana, not San Francisco
How working with us goes
Spray Foam Genius Marketing works with spray foam and insulation contractors. The steps are the same in San Francisco as everywhere else. Plans are month to month, and you can end service with 30 days notice.
1. Audit
We look at where your company shows up on Google Maps in the cities you serve. The Market Visibility Audit is free. It shows the current grid. It is not a forecast, and it does not promise a ranking.
2. Plan
If the work is a fit, we write a plan for the website, the Google Business Profile, and the ads for the jobs you take. We do not sell shared leads. We do not promise that only one contractor in San Francisco can hire us.
3. Launch
We set up the work in the plan. You buy and own the domain at a registrar you choose, such as Namecheap or GoDaddy. We do not hold the domain, and we do not transfer it. If we build a website, we can move that website to a host you choose after you have been with us at least 90 days and you end service with 30 days notice. Before 90 days the website stays with us.
4. Monthly review
Each month we review what is live: the map listing, the pages, and the ads. We do not bill per lead or per estimate.
Services for San Francisco contractors
SEO Services for Insulation Companies
For San Francisco, put heating-season searches on the core pages, because that is the larger degree-day load on this page.
Google Business Profile Optimization
The map listing is how a San Francisco searcher meets the company before the website. The grid shows whether that meeting happens across the service area.
Google Ads Management
In San Francisco, owner-occupied homes are 37%. Ads still have to be aimed at people who can hire the work, inside the geography you serve.
Facebook & Instagram Ads
A San Francisco social ad can speak to homes around the median build year of 1946 when the offer is retrofit or new construction.
Website Development
A San Francisco website needs the services, the service area, and a way to call. You buy and own the domain at a registrar you choose. We do not hold it.
Reputation Management
In San Francisco, a profile with recent reviews gives a searcher something to check before they call. The work is a steady ask, not a burst of fake feedback.
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 San Francisco: FAQ
What climate zone is San Francisco in, and why does it matter for my marketing?+
San Francisco County is in IECC climate zone 3C (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 San Francisco?+
NOAA's 1991-2020 normals for the nearest weather station show 2,781 annual heating degree days and 121 annual cooling degree days. Heating is the larger number, which is a useful starting point for choosing what to promote.
How old are the homes in San Francisco, and does it change what I should sell?+
The Census Bureau's 2024 American Community Survey estimates a median build year of 1946 and 75% of homes built before 1980 in San Francisco. Older homes tend to need retrofit work such as attic and air sealing, so lead with that.
Do most people in San Francisco own their homes?+
The 2024 American Community Survey estimates that 37% of occupied homes in San Francisco 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 San Francisco market?+
The U.S. Census Bureau estimated 826,079 residents in San Francisco 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 San Francisco?+
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 San Francisco?+
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 San Francisco.
Get a free market visibility audit and see where you show up, and where you do not, across your service area.
Get My Free Market Visibility AuditPrefer to talk first? Book a strategy call.