ADU Construction in Cedar Park, TX
Accessory dwelling units, garage conversions, and guest suites for Cedar Park homeowners, built from Austin by an owner-led team.
ADU Construction in Cedar Park, Texas
Cedar Park spreads across the line between Williamson and Travis Counties about 20 miles northwest of Austin, where the flat I-35 corridor gives way to the gently rolling ground of the Hill Country edge. HN Construction & Remodeling builds accessory dwelling units for homeowners throughout the city, most of them in 1990s-to-2010s builder neighborhoods like Buttercup Creek, Twin Creeks, and Ranch at Brushy Creek. Cedar Park is largely a first-remodel market, so those solid, conventional houses convert and expand cleanly into a detached ADU or an attached suite.
The county line is the detail homeowners ask about most, and the answer is simple: no matter which county your lot sits in, ADUs are permitted through the City of Cedar Park. The gentle roll of the land means most yards need only modest site work for a detached unit rather than the hillside foundations you see further west, and the deep builder-home garages make garage conversion an easy path to a rental or in-law suite. HN Construction pulls the City of Cedar Park permit, coordinates inspections, and prices the whole build as a fixed line-item written estimate before work starts.
- County
- Williamson and Travis Counties
- Permitting
- City of Cedar Park
- Location
- about 20 miles northwest of downtown Austin
How Cedar Park's terrain and lots shape an ADU
Cedar Park sits on the transition between flat suburb and Hill Country, so lots range from nearly level in the older Buttercup Creek sections to gently sloped closer to the western edge near Cariza. That usually means light grading and a standard slab for a detached ADU rather than the tall engineered foundations you see further west in Lakeway or Bee Cave. Permitting runs through the City of Cedar Park, which sets ADU size, setback, and lot-coverage rules, and because Cedar Park is a first-remodel town, many homeowners here are adding their first ADU to a house that has otherwise never been touched.
What to know about adu construction in Cedar Park
- Cedar Park spans Williamson and Travis Counties, but ADU permits go through the City of Cedar Park either way
- Gently rolling lots usually need only light grading for a detached ADU, not the hillside framing required further west
- 1990s-2010s builder homes in Twin Creeks and Buttercup Creek have deep garages that convert well into rental or in-law suites
- As a first-remodel market, many Cedar Park ADUs are added to homes with original layouts, so we match framing and finishes to the existing house
- HOA rules in master-planned neighborhoods can affect ADU size, exterior look, and rental use
How much does adu construction cost in Cedar Park?
Cedar Park ADU costs track the greater-Austin ranges: about $150,000 to $350,000 and up for a detached accessory dwelling unit, with garage conversions and attached additions generally coming in lower since they reuse the existing structure. Size and finish level drive the number. HN Construction prices each Cedar Park ADU as a fixed line-item written estimate so there are no surprises mid-build.
See our full ADU Construction in Austin page for materials, process, and detailed pricing.
Cedar Park neighborhoods we serve
Our Cedar Park ADU projects run from Buttercup Creek and Cypress Creek to Twin Creeks, Ranch at Brushy Creek, and Cariza. Older sections tend to sit on flatter ground with mature yards, while the newer western neighborhoods roll a bit more, so we match the foundation and site plan to the specific lot and confirm each community's HOA rules first.
- Buttercup Creek
- Cypress Creek
- Ranch at Brushy Creek
- Twin Creeks
- Forest Oaks
- Cariza
Why Cedar Park homeowners choose HN Construction
- Owner-led projects with a single point of contact from the first walkthrough to the final punch list.
- Fixed, line-item written pricing; the number you sign is the number you pay, and change orders are quoted in writing first.
- Licensed and insured, with structural, electrical, and plumbing work permitted and inspected.
- In-house team, not a rotating cast of subcontractors.
- Written, dated schedules updated weekly, so you always know what is happening next.
- Building across the greater Austin area since 2012.
ADU Construction in Cedar Park - Frequently Asked Questions
Which county permits an ADU in Cedar Park, Williamson or Travis?
Is a garage conversion a good ADU option in Cedar Park?
How much does an ADU cost in Cedar Park, TX?
HN Construction & Remodeling also builds adu construction in nearby Leander, Round Rock, Liberty Hill. See all our service areas.
Ready to start your Cedar Park adu construction project?
Call (512) 956-8583, email hnconstructiontexas@gmail.com, or request a free quote - we respond within 24 hours with a fixed, line-item estimate.