Oasis at Pearl Lake, Aug 16, 2015
A sinkhole opened at the complex and six units were evacuated; news reports put it at about 10 ft wide and 10–15 ft deep near a building foundation (News 13, WFTV).
Foundation Repair in Altamonte Springs, FL
Free, no-obligation foundation and subsidence repair quotes for Altamonte Springs homeowners, landlords and condo or HOA boards.
Get a Free QuoteA 1970s and 1980s city, and mostly rented
Altamonte Springs was incorporated on Nov 11, 1920, after a 38-7 vote, but its housing is overwhelmingly from the I-4 boom years. In the ACS 2024 5-year estimates the city has 46,116 residents and a median year built of 1983; 75.3% of homes were built between 1970 and 1999, and 61.9% in the 1970s and 1980s alone (30.2% and 31.7%). Those buildings are now roughly 35 to 55 years old.
The city is also renter-majority: 56.8% of occupied homes are rented, and only 24.4% of units are single-family detached houses. That makes condominium associations, HOA boards, landlords and property managers a large share of the people asking about foundation work around Cranes Roost Lake and beyond.
Two dated condo cases
Royal Arms Condominiums, Oct 29, 2019
Alert Seminole County said 16 units were affected and about 13 people were evacuated. The city said a crew doing testing "led to a hole in the ground." Residents returned in early November after insurer-hired engineers found no structural damage (ClickOrlando, News 13).
Both cases ended with engineers, not contractors, deciding whether the buildings were sound. That is the normal order of things: diagnosing the cause is engineering, which only a Florida-licensed professional engineer may do.
Reading the local record
Florida Geological Survey (FGS) records show about 14 reported subsidence incidents inside city limits and 172 across Seminole County (statewide records as of Oct 19, 2026). FGS says most reports are voluntary and unverified and "the cause of subsidence is not verified." A ClickOrlando county review (undated) said most of Seminole's sinkholes appear along I-4 and U.S. 17-92.
The 1985 Map Series 110 places the city's interior point in Area III, clayey cover where sinkholes are "most numerous." It is a regional map, so the zone is indicative only. Seminole soils are mostly sands with negligible shrink-swell (NRCS SSURGO).
Boards, landlords and permits
- HOAs: under §720.3035, architectural review covers only what the declaration states; regrading or visible pier work may still need approval, so check your declaration.
- Landlords: where no codes apply, Florida law requires keeping "foundations, and all other structural components in good repair" (§83.51(1)(b)). This is general information, not legal advice.
- Permits: permit rules vary; the licensed contractor confirms and pulls any permit.
- Licenses: check the contractor's license number on MyFloridaLicense.com.
Common requests here include sinkhole and subsidence repair, inspections and engineer reports and crack and block-wall repair. We connect Orlando-area homeowners with independent Florida-licensed contractors for free, no-obligation foundation repair quotes. The contractor you choose quotes, contracts and does the work. Request a free quote or see nearby service areas: Longwood, Casselberry and Winter Park.
Altamonte Springs foundation questions
Can a condo association request foundation repair quotes?
Yes. Boards, property managers and landlords can request free, no-obligation quotes the same way homeowners do. Many associations start with a Florida-licensed professional engineer's report so every contractor quotes the same scope. A contractor's free evaluation is a sales estimate, not an engineering opinion, and the governing documents decide who approves the work.
Is Altamonte Springs a sinkhole area?
The state's 1985 Map Series 110 puts the city in Area III, where sinkholes are described as most numerous, but that regional map is indicative only. Florida Geological Survey records show about 14 reported subsidence incidents inside city limits, mostly unverified. Dated cases include Oasis at Pearl Lake in 2015 and Royal Arms Condominiums in 2019.
What does an engineer's report cost before a repair?
Typical national ranges from This Old House (2026), Bob Vila, HomeGuide (2026) and Angi (2026), estimates not quotes: a structural engineer's report runs about $340 to $1,000, up to $3,000 for complex cases, and a geotechnical soil report $500 to $3,000. Larger condo buildings may differ, so ask the engineer for a written fee.
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