--- title: A3S Engineering & Maintenance Services. | CityVerified url: https://thecityverified.com/business/a3s-engineering-maintenance-services-sanford/ updated: 2026-10-31 --- [CityVerified Sanford edition](https://thecityverified.com/) [How verification works](https://thecityverified.com/how-verification-works/)[Corrections](https://thecityverified.com/corrections/) [For businesses](https://thecityverified.com/claim/) 1. [Home](https://thecityverified.com/) 2. A3S Engineering & Maintenance Services. Verification record · AC Maintenance & Tune-Up · Sanford # A3S Engineering & Maintenance Services. Rated **5.0** · 10 reviews What the public records show about A3S Engineering & Maintenance Services., kept apart from what the business told us, with the source and date of every check. Last checked Oct 29, 2026 · Re-checked every 90 days City Verified Recommended Checked Oct 29, 2026 ## Verification record - **1** of 1 confirmed - **1** from public records - **0** from the business ### What the public records show Looked up by our researchers in official registers, or confirmed by our own call or visit. 1. **Operating status** Confirmed Current business listings show the business as open and operating. Source Google Maps listing Checked October 29, 2026 ### What the business supplied Documents sent by A3S Engineering & Maintenance Services.. We check the names and dates on them; we cannot see behind them. No documents supplied yet. #### Stated by the business, not checked Hours Sunday: Closed · Monday: 7AM-5PM · Tuesday: 7AM-5PM · Wednesday: 7AM-5PM · Thursday: 7AM-5PM · Friday: 7AM-5PM · Saturday: 7AM-5PM Each check shows what the record or document said on the date shown. It is not a guarantee of workmanship, and it cannot be bought. [How each check works](https://thecityverified.com/how-verification-works/) · [Report an error](https://thecityverified.com/corrections/?business=a3s-engineering-maintenance-services-sanford) ## Business details Address 189 Venetian Bay Cir, Sanford, FL 32771 Phone [+1 321-483-0741](tel:+13214830741) Website [www.airductcleaningbya3s.com](http://www.airductcleaningbya3s.com/) Service area Sanford (based here) Public reviews 5.0 average from 10 reviews ## Where this business is recommended - [Air Duct Cleaning Companies in Sanford](https://thecityverified.com/sanford/air-duct-cleaning-companies/) ## Public records for Sanford Local rules and public figures that apply to businesses in this area, each with its official source. Sanford in public records | Record | What it shows | Official source and period | |---|---|---| | Median home value | $309,300 Median value of owner-occupied homes (ACS table B25077). | [U.S. Census Bureau, American Community Survey 5-year estimates](https://data.census.gov/table/ACSDT5Y2024.B25077?g=160XX00US1263650) 2020–2024 | | Homes built before 1990 | 45.0% 12,200 of 27,088 housing units were built in 1989 or earlier (ACS table B25034, year structure built). | [U.S. Census Bureau, American Community Survey 5-year estimates](https://data.census.gov/table/ACSDT5Y2024.B25034?g=160XX00US1263650) 2020–2024 | | Households in Sanford | 24,875 Occupied housing units (one household per occupied home), ACS table B25003. | [U.S. Census Bureau, American Community Survey 5-year estimates](https://data.census.gov/table/ACSDT5Y2024.B25003?g=160XX00US1263650) 2020–2024 | | Atlantic hurricane season | June 1 to November 30 An average season (1991–2020) has 14 named storms, 7 hurricanes and 3 major hurricanes. | [NOAA National Hurricane Center, Tropical Cyclone Climatology](https://www.nhc.noaa.gov/climo/) 1991–2020 climate period | | Median year homes were built | 1994 Half of all housing units were built before this year (ACS table B25035). | [U.S. Census Bureau, American Community Survey 5-year estimates](https://data.census.gov/table/ACSDT5Y2024.B25035?g=160XX00US1263650) 2020–2024 | | Owner-occupied homes | 52.0% 12,947 of 24,875 occupied homes are lived in by their owners (ACS table B25003). | [U.S. Census Bureau, American Community Survey 5-year estimates](https://data.census.gov/table/ACSDT5Y2024.B25003?g=160XX00US1263650) 2020–2024 | | Sanford residents | 67,483 Population estimate for July 1, 2025 (incorporated place). | [U.S. Census Bureau, Vintage 2025 population estimates](https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/cities/totals/sub-est2025.csv) July 1, 2025 | | Average summer high | 91.2°F Normal daily maximum temperature for June to August; NOAA station Sanford (USC00087982), about 2 miles from the city center point. | [NOAA NCEI, U.S. Climate Normals 1991–2020](https://www.ncei.noaa.gov/data/normals-annualseasonal/1991-2020/access/USC00087982.csv) 1991–2020 normals | Figures tagged “Sample figure” show what our live data feed will fill in from that source; they are not real counts. We never print license numbers: look them up on the official portal. ## Questions about A3S Engineering & Maintenance Services. Is A3S Engineering & Maintenance Services. licensed and registered? Checked on October 29, 2026: operating status confirmed. The checks table on this page lists each source. How is A3S Engineering & Maintenance Services. rated? 5.0 out of 5 from 10 public reviews. Where does A3S Engineering & Maintenance Services. appear on CityVerified? On the air duct cleaning companies list for Sanford. How do I contact A3S Engineering & Maintenance Services.? Call +1 321-483-0741. Or use the website link on this page. ## Contact A3S Engineering & Maintenance Services. [Call +1 321-483-0741](tel:+13214830741)[Website](http://www.airductcleaningbya3s.com/) Send my request to Your request goes to **A3S Engineering & Maintenance Services. only** . Businesses may pay CityVerified for requests they receive. Payment never affects verification or which businesses are listed. 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