Contractor Profile
Simplex Grinnell
Simplex Grinnell is a diversified Phoenix contractor — 41 segment-eligible permits spanning 3 segments, led by commercial fire protection (54%) and commercial mep (34%). Its permit record in Phoenix spans 2004–2025. Reliable permit valuations total ≈$659K (across the 58% of filings with a valuation we can stand behind).
First permit: Jan 6, 2004 (8,271d ago)Latest permit: Oct 27, 2025 (306d ago)
The sales record
- Market
- Phoenix
- Active
- 2004–2025 · 21 yrs
- Licenses on file
- 0
- Reliable value
- $659K
- Coverage
- 58%
- Reliable filings
- 28
- Rank in Phoenix
- #813
- Permits (all-time, all segments)
- 50
- Filings 90d
- 0
- Filings 30d
- 0
- Latest permit
- Oct 27, 2025
Typical project size$11Ktypically $5K–$32K across 28 valued permits
Where they work
Firmographics
License & registration IDs on fileNo license records in the source data.
Direct contactNot in our data — we don’t fabricate firmographics.
Monthly activity
Mar ’250–1 permits/moOct ’25
permits per month permit value
Service area
Typical service area ~9 mi around Mesa
The p90 footprint of where Simplex Grinnell has pulled permits in Phoenix — drawn from all 50 of their indexed permits. It reflects detected permit activity, not a guaranteed service-area claim.
- Mesa50
Recent permitsLargest recent$92K· 6033 S Sossaman Rd, Mesa, AZ
Showing 20 of 41 permits by Simplex Grinnell in the indexed window · most recent first
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- Oct 27, 2025Commercial Alteration10222 E Southern Ave, Mesa, AZAlteration$12Kapplied Aug 13, 2025
- Mar 13, 2025Commercial Alteration550 W Juanita Ave, Mesa, AZAlteration$69Kapplied Dec 13, 2024
- Oct 24, 2022Commercial Alteration1201 S Alma School Rd 5450, Mesa, AZAlteration$4Kapplied Aug 19, 2022
- Jul 19, 2022Commercial Alteration6033 S Sossaman Rd, Mesa, AZAlteration$92Kapplied Jul 30, 2021
- Dec 28, 2016Commercial Fire Protection3038 E McDowell Rd, Mesa, AZCommercial—applied Nov 15, 2016
- Dec 21, 2016Commercial Fire Protection2202 W 8th St, Mesa, AZCommercial$3Kapplied Nov 17, 2016
- Sep 27, 2016Commercial Fire Protection5110 E Southern Ave, Mesa, AZCommercial—applied Aug 3, 2016
- Sep 7, 2016Commercial MEP1201 S Alma School Rd, Mesa, AZPlumbing · Commercial$4Kapplied Mar 14, 2016
- Jul 22, 2016Commercial Fire Protection6950 E Superstition Springs Blvd, Mesa, AZCommercial$70Kapplied May 12, 2016
- Jun 30, 2016Commercial Fire Protection550 W Juanita Ave, Mesa, AZCommercial—applied Mar 29, 2016
- May 31, 2016Commercial Fire Protection550 W Juanita Ave, Mesa, AZCommercial—applied Apr 18, 2016
- Mar 22, 2016Commercial Fire Protection6550 S Mountain Rd, Mesa, AZCommercial—applied Feb 18, 2016
- Mar 21, 2016Commercial Fire Protection6750 E Baywood Ave, Mesa, AZCommercial—applied Mar 15, 2016
- Dec 3, 2015Commercial Fire Protection232 S Dobson Rd, Mesa, AZPool Spa · Commercial$11Kapplied Nov 30, 2015
- Dec 3, 2015Commercial Fire Protection318 S Dobson Rd, Mesa, AZPool Spa · Commercial$11Kapplied Nov 30, 2015
- Dec 3, 2015Commercial Fire Protection8257 E Guadalupe Rd, Mesa, AZCommercial$2Kapplied Nov 25, 2015
- Oct 27, 2015Commercial Fire Protection1201 S Alma School Rd, Mesa, AZCommercial—applied Oct 6, 2015
- Sep 23, 2015Commercial Fire Protection1915 S Power Rd, Mesa, AZCommercial—applied Aug 27, 2015
- Dec 1, 2014Commercial Fire Protection247 N Macdonald, Mesa, AZCommercial—applied Oct 27, 2014
- Oct 23, 2014Commercial Fire Protection3225 S Power Rd, Mesa, AZCommercial—applied Sep 23, 2014
Oct 27, 2025 applied Aug 13, 2025 | 10222 E Southern Ave, Mesa, AZ | Commercial Alteration | $12K |
Mar 13, 2025 applied Dec 13, 2024 | 550 W Juanita Ave, Mesa, AZ | Commercial Alteration | $69K |
Oct 24, 2022 applied Aug 19, 2022 | 1201 S Alma School Rd 5450, Mesa, AZ | Commercial Alteration | $4K |
Jul 19, 2022 applied Jul 30, 2021 | 6033 S Sossaman Rd, Mesa, AZ | Commercial Alteration | $92K |
Dec 28, 2016 applied Nov 15, 2016 | 3038 E McDowell Rd, Mesa, AZ | Commercial Fire Protection Commercial | — |
Dec 21, 2016 applied Nov 17, 2016 | 2202 W 8th St, Mesa, AZ | Commercial Fire Protection Commercial | $3K |
Sep 27, 2016 applied Aug 3, 2016 | 5110 E Southern Ave, Mesa, AZ | Commercial Fire Protection Commercial | — |
Sep 7, 2016 applied Mar 14, 2016 | 1201 S Alma School Rd, Mesa, AZ | Commercial MEP Commercial | $4K |
Jul 22, 2016 applied May 12, 2016 | 6950 E Superstition Springs Blvd, Mesa, AZ | Commercial Fire Protection Commercial | $70K |
Jun 30, 2016 applied Mar 29, 2016 | 550 W Juanita Ave, Mesa, AZ | Commercial Fire Protection Commercial | — |
May 31, 2016 applied Apr 18, 2016 | 550 W Juanita Ave, Mesa, AZ | Commercial Fire Protection Commercial | — |
Mar 22, 2016 applied Feb 18, 2016 | 6550 S Mountain Rd, Mesa, AZ | Commercial Fire Protection Commercial | — |
Mar 21, 2016 applied Mar 15, 2016 | 6750 E Baywood Ave, Mesa, AZ | Commercial Fire Protection Commercial | — |
Dec 3, 2015 applied Nov 30, 2015 | 232 S Dobson Rd, Mesa, AZ | Commercial Fire Protection Commercial | $11K |
Dec 3, 2015 applied Nov 30, 2015 | 318 S Dobson Rd, Mesa, AZ | Commercial Fire Protection Commercial | $11K |
Dec 3, 2015 applied Nov 25, 2015 | 8257 E Guadalupe Rd, Mesa, AZ | Commercial Fire Protection Commercial | $2K |
Oct 27, 2015 applied Oct 6, 2015 | 1201 S Alma School Rd, Mesa, AZ | Commercial Fire Protection Commercial | — |
Sep 23, 2015 applied Aug 27, 2015 | 1915 S Power Rd, Mesa, AZ | Commercial Fire Protection Commercial | — |
Dec 1, 2014 applied Oct 27, 2014 | 247 N Macdonald, Mesa, AZ | Commercial Fire Protection Commercial | — |
Oct 23, 2014 applied Sep 23, 2014 | 3225 S Power Rd, Mesa, AZ | Commercial Fire Protection Commercial | — |
Sites Simplex Grinnell returns to6 in Phoenix
Addresses where Simplex Grinnell has pulled repeat permits and the site itself has a deep permit history (25+ permits, all contractors). Each links to that parcel’s full record.
Other top Commercial Fire Protection contractors in Phoenix
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- Sierra Fire & Communications40 commercial fire protection
- Halo Fire Protection38 commercial fire protection
- Complete Fire Protection, INC.36 commercial fire protection
- Rci Systems, INC36 commercial fire protection
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