Licensed Contractor • CSL #1149194
Door + Window Replacement
in Nevada & Placer Counties
Drafty windows and sticking doors aren't just annoying — they're costing you money every month and leaving your home vulnerable to moisture, pests, and energy loss. South Fork Home Services installs replacement doors and windows with the precision fit and proper weatherproofing that makes the difference between a job that looks good and one that actually performs.
Serving Grass Valley · Nevada City · Penn Valley · Auburn · Lake Wildwood · Alta Sierra · Lake of the Pines
Why proper installation matters more than the product
You can buy an excellent window and have it fail within a few years if it isn't installed correctly. Improper flashing, gaps in the weatherstrip, or a frame that isn't perfectly square will let in air and water no matter how good the product is. At South Fork Home Services, we treat every door and window installation as a waterproofing project first — because that's what protects your home long after the job is done.
Licensed & insured
California Contractor's License CSL #1149194. Structural and weatherproofing work done right, with professional accountability.
Precision measuring
Every opening is measured to the fraction of an inch before anything is ordered. A window that doesn't fit perfectly can't be made to seal perfectly.
Waterproofing first
Every installation includes proper flashing, sill panning, and weatherstripping — the unglamorous details that keep water out for the life of the product.
Finish carpentry included
Interior and exterior trim work is part of every installation — so the finished product looks intentional, not patched together.
Whether you're replacing a single entry door or upgrading every window in the house,
we handle the full scope — from framing and flashing to trim and paint-ready finish.
Door & window services we offer
Exterior & interior door replacement
Single, double & picture window replacement
Flashing, sealing & weatherstripping
Entry, front & security door installation
Bay, casement & awning window installation
Interior & exterior trim carpentry
Sliding, French & patio door installation
Window & door framing & structural work
Not sure whether to repair or replace? We'll give you an honest assessment — sometimes a good weatherstrip and adjustment is all you need.
Door and window projects move faster than most — but the details that happen before and after installation are what determine whether the job holds up for 5 years or 25.
Our door & window installation process
1. Free in-home consultation
1. Free in-home consultation
Ryan visits your home, looks at the space, and talks through exactly what you want. No obligation - just an honest conversation about your project and what it will realistically take.
2. Clear scope & estimate
We take exact measurements of every opening before anything is ordered. We'll walk you through product options — vinyl, fiberglass, wood-clad, aluminum — and help you choose what performs best for your home's exposure and your budget. Getting this right upfront avoids costly corrections later.
2. Precise measurement & product selection
We put together a written plan covering the full scope of work, timeline, and cost - before anything starts. No vague ballparks.
Ryan visits, inspects every door and window you're considering replacing, checks the surrounding framing and flashing conditions, and gives you an honest read on what needs to be done — and what can wait. If there's rot or structural damage around an opening, we find it now, not mid-installation.
3. Written scope & lead time
3. Material selection
We walk you through your tile, fixture, and finish options so you can make confident choices that fit both your style and your budget.
We provide a written estimate with a clear cost and timeline — including any lead time for ordered products. Unlike some contractors, we give you a realistic schedule upfront so you can plan around it.
4. Permits & approvals (when required)
4. Framing & prep (when needed)
If your project requires permits - for plumbing changes, structural work, or electrical - we handle it. We know Nevada and Placer County building requirements inside and out.
5. Installation
We get to work. We keep the job site clean, stay on schedule, and keep you updated throughout the process.
5. Installation & weatherproofing
6. Final walkthrough
When the work is done, we walk through the finished bathroom with you. If anything isn't exactly right, we take care of it before we leave.
6. Trim & final finish
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It depends on the condition of the frame, glazing, and weatherstripping. If your windows are drafty but the frames are solid, a good reseal and weatherstrip may be all you need. If the frames are rotted, the seals are failed, or the glass is single-pane, replacement is almost always the better long-term investment. We'll give you an honest assessment when we visit.
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Most single-door or window replacements can be completed in a day. Whole-house window replacement projects typically take 2–5 days depending on the number of units. Lead time for ordered products varies — standard sizes are often available within 1–2 weeks; custom sizes can take 4–6 weeks.
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Fiberglass and vinyl are both excellent choices for Nevada County's climate — they handle the moisture and temperature swings better than wood and require minimal maintenance. Wood-clad units are a good option for homes where interior wood aesthetics matter. We'll help you choose based on your home's exposure, your maintenance preferences, and your budget.
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Like-for-like replacements in the same opening typically don't require a permit. Projects that involve structural changes to the rough opening — making a window larger, adding a new opening, or changing a window to a door — generally do require one. We'll let you know upfront and handle the permit process if needed.
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Yes, with one important caveat — we'll need to verify the unit fits the existing rough opening before committing to the installation. If the sizing is off, adjustments to the framing may be required. We're happy to check measurements before you finalize a purchase to help avoid that situation.
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Yes. South Fork Home Services holds a California Contractor's License (CSL #1149194) and carries full general liability insurance. Proof of insurance is available on request at any time.
If the rough opening needs adjustment, framing repair, or rot remediation before the new unit goes in, we handle it as part of the project — not as a surprise add-on once the old window is already out.
Frequently Asked Questions
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It depends on the condition of the frame, glazing, and weatherstripping. If your windows are drafty but the frames are solid, a good reseal and weatherstrip may be all you need. If the frames are rotted, the seals are failed, or the glass is single-pane, replacement is almost always the better long-term investment. We'll give you an honest assessment when we visit.
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Most single-door or window replacements can be completed in a day. Whole-house window replacement projects typically take 2–5 days depending on the number of units. Lead time for ordered products varies — standard sizes are often available within 1–2 weeks; custom sizes can take 4–6 weeks.
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Fiberglass and vinyl are both excellent choices for Nevada County's climate — they handle the moisture and temperature swings better than wood and require minimal maintenance. Wood-clad units are a good option for homes where interior wood aesthetics matter. We'll help you choose based on your home's exposure, your maintenance preferences, and your budget.
Every unit is installed level, plumb, and square — then fully flashed, sealed, and weatherstripped inside and out. We don't consider an installation complete until every gap is closed and every seal is tested.
Interior and exterior trim is fitted, caulked, and left paint-ready. We walk through every unit with you at the end — operating hardware, checking seals, and making sure everything opens, closes, and locks exactly as it should.
We get to work. We keep the job site clean, stay on schedule, and keep you updated throughout the process.
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Like-for-like replacements in the same opening typically don't require a permit. Projects that involve structural changes to the rough opening — making a window larger, adding a new opening, or changing a window to a door — generally do require one. We'll let you know upfront and handle the permit process if needed.
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Yes, with one important caveat — we'll need to verify the unit fits the existing rough opening before committing to the installation. If the sizing is off, adjustments to the framing may be required. We're happy to check measurements before you finalize a purchase to help avoid that situation.
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Yes. South Fork Home Services holds a California Contractor's License (CSL #1149194) and carries full general liability insurance. Proof of insurance is available on request at any time.
South Fork Home Services installs doors and windows throughout Nevada and Placer Counties.
Areas we serve
Grass Valley
Nevada City
Penn Valley
Lake Wildwood
Alta Sierra
Auburn
Lake of the Pines
Not sure where to start? Ryan will visit, inspect every opening you're considering, and give you straight answers on what needs replacing, what doesn't, and what it will realistically cost. Free consultation, no obligation.