Electrical permit history — 112 E 1st St

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112 E 1st St

Built 1920 — pre-1950 knob-and-tube era · last permitted panel/service work 1997 (finaled)

Permanent link: Electrical permit history for 112 E 1st St (aztucsonelectricalsolutions.com/property/117022150/112-e-1st-st-tucson-az-85705) · Public records last checked 2026-08-17

Parcel

117022150

Built

1920 (county record)

Jurisdiction

Tucson

Zoning

HR-2

Assessor use

Sfr Dominant + Additional Urban Subdivided

Parcel size

0.18 acres

Living area

964 sq ft (assessor record)

Cooling

Evaporative (assessor record)

Heating

Forced Air (assessor record)

Roof

Prepared Roll (assessor record)

Sewer

Connection on file (2001) (county sewer connection records)

Flood zone

X — minimal flood hazard (FEMA)

Historic preservation

West University Historic District — Historic Preservation Zone (City of Tucson)

Typical original service for a 1920 home

approximately 30–60 A

Service on record

City records show the 1997 permit was finalized; the permit description states “UPGRADE 100 AMP” — an increase in capacity as described, not a confirmed installed rating.

See the property

Pima County orthophoto (Pictometry 2024 / PAG 2023 / NAIP 2023 mosaic) — parcel outlined in yellow. Aerials can predate recent work and show nothing about what is inside; context, not evidence.

Street ViewGoogle Maps satelliteGoogle Earth (3D, historical imagery) ↗

Is it time to upgrade?

• Electrical service & panelCurrentLast permitted 1997 (29 years ago). Contractor of record: S AND D ELECTRIC INC. The permit describes an increase in capacity, which is the single best sign the electrical has actually been brought forward. T97EL00833 — UPGRADE 100 AMP
• Heating & coolingNot in this windowNothing in the permit records we read for this parcel that names this system. Worth knowing: a 2024 historic preservation zone/historic landmark permit is on file (and 2 more like it) — work like this is often folded into a larger permit without being named, so open that record and check its scope before concluding anything. The assessor records cooling as Evaporative and heating as Forced Air. Cooling equipment works harder in Tucson than almost anywhere, so 12 to 15 years is a realistic service life rather than the 15 to 20 the industry quotes.
• Water heaterNot in this windowNothing in the permit records we read for this parcel that names this system. Water heaters are frequently swapped without a permit, so this line is especially weak evidence either way.
• RoofCurrentLast permitted 2022 (4 years ago). The assessor records the roof as Prepared Roll. T22CM01679 — Re-roof main house
• Plumbing work on recordOn recordLast permitted 2017 (9 years ago). Plumbing permits cover everything from a full re-pipe to a few feet of sewer repair, so this is a record that work happened rather than a statement about the whole system. T17CM04435 — REPL SEWER LINE

A found permit means a lot. A missing one means less. We read the City of Tucson’s own permit file, not a recent extract of it — back to about 2006, and into the 1990s on properties with that much history. Microfiche before then was never fully digitised. Every record links to the city’s official file. A blank line does not say nothing was done: work gets done without permits all the time. The only way to know what is actually installed is to look at it.

What that usually means electrically

• Era-based check — high priority

  Knob-and-tube wiring may still be present in original, un-remodeled areas. It has no ground and is not rated for modern loads or insulation contact. The permit record does not confirm this; an on-site inspection is required.

• Era-based check — high priority

  Original services this age were 30–60 A fuse panels. Nearly every one still in place is undersized for a modern household. The permit record does not confirm this; an on-site inspection is required.

• Era-based check — high priority

  Branch circuits from this era are typically ungrounded two-wire — the reason you see two-prong outlets or ungrounded three-prong replacements. The permit record does not confirm this; an on-site inspection is required.

• Worth confirming

  Solar was permitted here in 2024. That means there is an existing interconnection, and the main breaker and busbar rating already carry a PV backfeed — so anything else you add (an EV charger, a heat pump) has to be checked against what is left under the 120% rule, not against the service size alone.

• Worth confirming

  There is an electrical reconnect permit from 2020. The service was disconnected at some point and brought back — usually after a vacancy, a utility disconnect, or work that required the power off. Worth knowing what prompted it.

Recorded sales (1)

Recorded sales are the sales the Pima County Assessor has on file from affidavits of property value — not every transfer, not listings, and not a valuation. Parties are never shown here. A sale with no permitted electrical work since is worth knowing before the next sale or a remodel.

Most recent permit on record for this parcel: 2025-12-02 (TC-RES-1225-05755) — Roof mount 3.08kW DC photovoltaic solar system; 7 modules with microinverters, single branch to solar meter. 20A PV breaker on 100A bus with 100A MCB.

Permit history (17)

How to read the status column: Final / Complete / C of O — city records show the permit was finalized. Issued — the work was permitted, but final completion is not confirmed. Applied / In review / Approved / Fees paid — proposed, not completion. Expired — the permit expired without a confirmed final status. Void / Withdrawn / Canceled — not evidence the work was installed. Any other status is shown exactly as the issuing office records it, without a completion reading.

Code enforcement (5)

Code cases and housing-code violations recorded against this parcel, by category. Closed cases stay on the record, and most of these are closed — check the status column. We show the category and the official record number rather than the complaint text, which often names people who have nothing to do with the property.

Record numbers link to the City of Tucson’s official file. Highlighted rows are the ones that imply electrical work or an unpermitted-work finding.

This is an inference from public records — the year a structure was built, how it is classified, and what has been permitted. It is not an inspection, and nothing here confirms what is actually installed at this address. The only way to know is to look in the panel. See an error in this public-record report? Report a correction · About this data.

The contractor’s read is a plain-English brief of the record above, written by AI — what it shows across electrical, mechanical and the building itself, what is missing for the era, and what to verify on site.