ADU Construction in Redmond
Professional adu construction services in Redmond and surrounding areas • Licensed & Insured • Free estimates
Last updated June 2026
Redmond ADU Construction — Eastside Rental Income, Real Numbers
Microsoft's Redmond campus and Nintendo of America's North American headquarters both sit in 98052, and the tech worker rental demand they generate is real and sustained. A 640-square-foot DADU on Education Hill — Mitsubishi mini-split, curbless shower, quartz countertops, separate utility metering — rents for $2,300-$2,500 per month. Most owners recover build costs in six to eight years. WA HB 1337 (2024) opened this to most single-family lots statewide, including throughout Redmond's residential zones. Vladislav Volkov has completed ADU projects across the Eastside since 2017 — TopVolk Construction LLC, WA Licensed Contractor, 100+ projects.
Overlake's grid of 1980s two-story homes sits on lots typically ranging from 6,500 to 10,000 square feet — enough room for a legal DADU under Redmond's 24-foot height limit and rear setback requirements, provided lot coverage stays within the allowed percentage. Redmond's permit center handles ADU applications independently of King County DPER, and plan review for a new detached structure in 98052 runs 8-12 weeks on a complete submittal. Redmond Ridge and Bear Creek tend toward newer construction, but the lot math usually works out there too.
Common ADU Construction Concerns in Redmond
DADU, Attached ADU, or Basement Conversion — Which Path Fits Your Lot?
A 7,500 sq ft lot in 98052 might look like straightforward DADU territory, but side setbacks and lot coverage calculations can close that option before design drawings start. Basement conversions bypass the footprint constraints entirely — they need egress windows sized to IRC code, a vapor barrier under the slab, occupancy-rated fire separation, and a standalone mechanical zone. Attached ADUs share a wall and often a utility connection, which reshapes the structural scope and the FAR calculation. We pull parcel data and evaluate all three paths before you spend on an architect.
Utility Separation Adds $8K-$15K — But It's Not Always Required
Running an independent water and sewer tap from the street adds $8,000-$15,000 depending on meter size and the distance to the main line. Owner-occupied ADUs can legally run on a shared connection in many Redmond configurations. Heating the unit is its own question: a Navien tankless water heater paired with hydronic radiant floor, or a Mitsubishi mini-split, keeps the ADU self-contained without extending the main house's aging ducted HVAC system. We map the utility strategy at the first site walk — changes mid-construction cost significantly more.
Redmond Plan Review: 8-12 Weeks, and Incomplete Packages Restart the Clock
Seattle SDCI offers a pre-approved ADU plan program (MAP) that compresses permitting timelines. Redmond's permit center doesn't have an equivalent — every DADU goes through full plan review, typically 8-12 weeks. Submit an incomplete package and you lose your queue position; that slip adds 4-6 weeks minimum. Structural drawings need LVL beam sizing, rim joist details, joist hanger callouts, and Hardie siding specifications from the first submission. Getting the initial package right is the only real way to protect a 4-7 month end-to-end build schedule from stretching.
Frequently Asked Questions
How fast can you get to Redmond for an ADU consultation?▼
Redmond is a regular stop — active projects in 98052 and 98053 most months. Call (206) 591-1096 to schedule a free on-site walk with Vladislav directly. No sales staff, no commissioned closer — the person on the phone is the contractor doing the work. Overlake and Education Hill have straightforward residential parking for site visits.
What brands and finishes do you specify for ADU kitchens and bathrooms in Redmond?▼
Full-scope builds run foundation through finish — MEP rough-in, R-49 ceiling insulation, drywall hang/tape/mud, flooring, cabinetry, and all fixtures. Redmond's higher-budget ADU builds regularly spec Sub-Zero drawer refrigerators, Wolf induction ranges, and panel-ready Bosch dishwashers. Standard rental-grade builds use durable mid-range fixtures sized for long-term tenancy. Every completed unit gets a blue tape walkthrough and a formal punch list before handover.
What does a DADU cost to build in Redmond, and what's the timeline?▼
A 400-800 sq ft DADU in Redmond typically runs $180,000-$320,000 depending on finishes, utility separation requirements, and site conditions. Plan review adds 8-12 weeks before a shovel goes in the ground. Construction runs 4-5 months. End-to-end with a clean permit package: 4-7 months. Vladislav quotes line-item pricing at the on-site consultation — no vague ranges. Deadline penalties are written into every contract. Call (206) 591-1096 to start.
Ready to start your ADU Construction in Redmond?
Free on-site consultation with Vladislav. Line-item pricing — no vague ranges.
ADU Construction Services in Redmond
ADU design
Permit processing
Foundation work
Complete construction
Why Choose TopVolk Construction LLC in Redmond?
Licensed & Insured
Fully licensed contractor with comprehensive insurance coverage for your peace of mind.
Local Service
Serving Redmond and surrounding areas with fast response times and local expertise.
Direct Communication
Work directly with Vladislav - no middlemen, clear expectations, honest recommendations.
Quality Guaranteed
100+ projects completed since 2017. Full responsibility with penalties for missed deadlines.
15% OFF All Labor
Book your renovation this week and save on labor costs.
Materials priced separately at cost.
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What Our Redmond Customers Say
Vlad and his team did an amazing job! They built our deck in just 3 days—no issues at all. Communication was easy, and Vlad helped us choose right deck planks. Installation was quick and flawless. Highly recommend!
Really happy with the service! Vlad was easy to communicate with and helped us to find the best garage door opener. The installation was quick and he did a perfect job. A few months later, I had a question and he came by the same day - even on a weekend. That kind of follow-up is rare these days!
Vlad replaced a bathroom exhaust fan and gave me a reasonable quote up front with no hidden fees. While replacing the fan, he discovered a plumbing vent issue causing mold. He fixed the pipe and treated the mold at a reasonable cost. I really appreciate his honesty!
Outstanding work done by Vlad and team for our home cabinet/living room interior work. Very professional and reasonable charges. Love the service.
We hired TopVolk for a full kitchen remodel and couldn't be happier. From the initial consultation to final walkthrough, Vlad was professional and attentive to every detail. The result exceeded our expectations!
Excellent bathroom renovation! Vlad completed the project on time and on budget. His attention to detail and craftsmanship is outstanding. We'll definitely hire him again for future projects.