Rockford Service Area
Updated
Rockford in short
- 61,324
- households in Rockford
- 1963
- median year built (county 1971)
- 74.3%
- of homes built before 1980 (county 63.4%)
- 54.9%
- own their home (county 65.9%)
The local numbers
How old the homes are in Rockford
The housing in Rockford is old. 22.4% of its 67,423 homes were built before 1940 (county: 15.5%) and 46.5% before 1960, with a median year built of 1963. Only one of the 13 Winnebago County communities has a higher share of pre-1940 homes. Before anyone prices a finish in a house that age, the number to measure is ceiling height: habitable space needs 7 feet, and a bathroom or laundry 6 feet 8 inches.
Of 61,324 households in Rockford, 54.9% own their home. The county figure is 65.9%. 61.5% of housing units are single-family detached houses (county: 70.4%), and 16.6% are in buildings of five or more units.
The permit office for most of Rockford is local, not the county. Permits come from the Community and Economic Development Department, Construction and Development Services, 425 East State Street, (779) 348-7158, or through the Rockford Citizen Portal. The permit office's adopted code is the 2021 International Residential Code.
With 46.5% of homes built before 1960, a bedroom is where plans change most: every sleeping room needs its own emergency escape and rescue opening, and a basement bedroom needs a smoke detector within 15 feet. Net clear opening of at least 5.7 square feet, or 5 square feet for a grade floor or below-grade opening, at least 24 inches high and 20 inches wide, with the sill no more than 44 inches above the floor.
The city says "General contractors are not required to be licensed." Roofers need an Illinois state license. Electrical contractors must register with the city each calendar year ($25, or proof of a license or registration from another Illinois municipality). Illinois itself does not license general contractors.
Rockford housing and households vs Winnebago County
| Measure | Rockford | Winnebago County |
|---|---|---|
| Residents | 147,521 | 283,292 |
| Housing units | 67,423 | 125,002 |
| Occupied (households) | 61,324 | 116,014 |
| Owner-occupied households | 33,697 (54.9%) | 76,408 (65.9%) |
| Renter households | 27,627 (45.1%) | 39,606 (34.1%) |
| Median year built | 1963 | 1971 |
| Built before 1940 | 22.4% | 15.5% |
| Built before 1960 | 46.5% | 35.5% |
| Built before 1980 | 74.3% | 63.4% |
| Built 2000 or later | 7.6% | 13.6% |
| Single-family detached | 61.5% | 70.4% |
| Mobile homes | 0.6% | 1.3% |
| In buildings of 5+ units | 16.6% | 11.4% |
Source: U.S. Census Bureau, ACS 2024 5-year (2020-2024), tables B01003, B25003, B25024, B25034, B25035 and B25038.
Local rules
Permits, codes and egress in Rockford
Wikipedia lists Rockford in Winnebago and Ogle counties; the Census figures on this page cover the whole city.
- Permit office
- Permits come from the Community and Economic Development Department, Construction and Development Services, 425 East State Street, (779) 348-7158, or through the Rockford Citizen Portal. A permit is required for the "construction, alteration, enlargement, repair, or moving of a structure larger than 120 square feet." Painting, papering, tiling, carpeting, cabinets and counter tops are exempt, and so is replacing wall or ceiling coverings when 50% or less of the coverings in a room are removed and no framing is exposed to the point where hardwired smoke alarms become required. The permit must be posted visible from the street or at the primary entrance before work starts, and inspections are requested one full business day (24 hours) ahead. The city's remodel permit application has lines for finished and unfinished basement square footage. source 1 source 2 source 3
- Permit fee
- Residential alteration or remodel: 0.55% of total reported value including labor and materials (minimum $13), plus $56 for each trade permit issued under the building permit, a $50 permit processing fee per permit and a 10% technology surcharge. Starting work without a permit doubles the fees or costs not less than $274, although the building official may waive the penalty for owner-occupied property if no permit was obtained in the last year. No plan or permit fees are refunded. The fee PDF is undated on the city site, so confirm with the permit office before relying on a dollar figure. source
- Code edition
- Rockford follows the 2021 ICC code cycle: the 2021 IRC with local amendments took effect January 1, 2025, for permits submitted on or after December 31, 2024. The local amendments we could read change permit exemptions (R105.2) and flood elevation (R322.2.1: in flood hazard areas, basement floors below grade on all sides must sit at or above base flood elevation plus 1 foot, which affects new basements more than finishing an existing one). We found no local change to egress (R310) or ceiling height (R305) in the part of the amendment document that loaded, so the model 2021 IRC rules appear to apply; confirm with the city before stating there are no amendments. source 1 source 2
- Contractor rules
- The city says "General contractors are not required to be licensed." Roofers need an Illinois state license. Electrical contractors must register with the city each calendar year ($25, or proof of a license or registration from another Illinois municipality). Plumbing permits go to a licensed plumber or to the owner-occupant of a single family home. source 1 source 2 source 3 source 4
- Also worth knowing
- Basement drainage matters to a finish here: the City of Rockford Technical Guidance Manual (stormwater) says "Redirecting sump pumps to a sanitary sewer system is not allowed." The manual is hosted as a 2015 federal court exhibit, so confirm it is still current. source
About Rockford. Rockford is the county seat of Winnebago County and, with 148,655 residents at the 2020 census, the fifth most populous city in Illinois. Wikipedia
ZIP codes. 61109 (22% of its land), 61107 (16% of its land), 61108 (12% of its land), 61101 (11% of its land), 61102 (11% of its land), 61114 (9% of its land), 61103 (9% of its land), 61104 (7% of its land), 61020 (4% of its land). Census 2020
Basement work
Basement jobs homeowners ask about in Rockford
Common questions
Rockford basement finishing questions
Who issues basement finishing permits in Rockford?
Permits come from the Community and Economic Development Department, Construction and Development Services, 425 East State Street, (779) 348-7158, or through the Rockford Citizen Portal. A permit is required for the "construction, alteration, enlargement, repair, or moving of a structure larger than 120 square feet." Painting, papering, tiling, carpeting, cabinets and counter tops are exempt, and so is replacing wall or ceiling coverings when 50% or less of the coverings in a room are removed and no framing is exposed to the point where hardwired smoke alarms become required.
What building code applies to a basement in Rockford?
Rockford follows the 2021 ICC code cycle: the 2021 IRC with local amendments took effect January 1, 2025, for permits submitted on or after December 31, 2024. The local amendments we could read change permit exemptions (R105.2) and flood elevation (R322.2.1: in flood hazard areas, basement floors below grade on all sides must sit at or above base flood elevation plus 1 foot, which affects new basements more than finishing an existing one).
Does a basement bedroom in Rockford need an egress window?
Every basement and every sleeping room needs at least one operable emergency escape and rescue opening. A finished basement bedroom needs its own. Net clear opening of at least 5.7 square feet, or 5 square feet for a grade floor or below-grade opening, at least 24 inches high and 20 inches wide, with the sill no more than 44 inches above the floor. These are the model 2021 IRC numbers as reproduced by a state building agency fact sheet; a city or county amendment could change them, so confirm with the permit office.
How much is the permit fee in Rockford?
Residential alteration or remodel: 0.55% of total reported value including labor and materials (minimum $13), plus $56 for each trade permit issued under the building permit, a $50 permit processing fee per permit and a 10% technology surcharge. Starting work without a permit doubles the fees or costs not less than $274, although the building official may waive the penalty for owner-occupied property if no permit was obtained in the last year. The permit fee is separate from the build cost; see the cost page for what finishing itself runs.
How old are the homes in Rockford?
Per the ACS 2020-2024 5-year estimates, the median home in Rockford was built in 1963 (Winnebago County: 1971). 22.4% of its 67,423 homes were built before 1940 and 74.3% before 1980, against 63.4% county-wide.
What does finishing a basement cost in Rockford?
No cost guide publishes a Rockford figure. HomeGuide's national guide puts a finish at $30 to $50 per sq ft, Angi's Chicago page $55 to $145 per sq ft, and Angi's national average is $32,000. The full price table shows each source and its date.
Do basement contractors have to be licensed or registered in Rockford?
The city says "General contractors are not required to be licensed." Roofers need an Illinois state license. Electrical contractors must register with the city each calendar year ($25, or proof of a license or registration from another Illinois municipality).
Planning a basement finish in Rockford?
Tell us the address, the rough basement size and what you want down there. We reply with a price before any work is scheduled.