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Serving Union City, CA and surrounding areas. (510) 535-8438
A leaning, rotting, or patched-together fence does not protect your yard or add value to your home. We replace fences in Union City from the ground up - old fence removed, posts anchored correctly for Bay Area soil and seismic conditions, permits handled before any work starts.
Fence replacement in Union City means removing your old fence completely - posts, panels, and all - and installing a new one from the ground up. It is not the same as a repair where only a section gets fixed. Most residential replacement jobs take one to three days on-site depending on how long your fence line is and what material you choose.
Union City brings conditions that shape every step of the process. The dense clay soil here expands when it rains and contracts in summer - which puts consistent pressure on fence posts and is the single biggest reason fences in the East Bay lean or fail faster than the material itself should allow. The proximity to San Francisco Bay means the air carries more moisture than in inland cities, which is a real consideration when choosing wood species or metal finish. And the Bay Area's seismic environment means posts need to be set at a depth and in a concrete footing that will hold their position after ground movement.
If your fence has isolated damage but is mostly sound, our fence repair service may be a more cost-effective first step. If you are replacing a wood fence and want it treated for long-term protection against Bay Area moisture, we also offer wood fence installation with staining and sealing built into the project from the start.
If your fence is tilting to one side or panels have separated from the posts, the structure has likely failed at the foundation. In Union City's clay soil this often happens gradually as the ground shifts through wet and dry seasons - and once a post starts to go, the lean tends to spread down the fence line.
Press your thumb against the base of a fence post near the ground. If it feels soft, spongy, or crumbles easily, the wood has rotted through. Union City's coastal moisture and morning fog create ideal conditions for rot to develop at ground level, especially in older fences that were never sealed or treated.
A gate that drags on the ground, swings open on its own, or refuses to latch is a sign that the posts supporting it have shifted. This is both a security issue and a safety concern if you have children or pets - and it usually means the problem has progressed well beyond a simple adjustment.
If your fence has never been replaced and is showing faded color, warped boards, and missing sections, repairs are likely no longer cost-effective. Given the moisture exposure common in the East Bay, fences in this condition typically make more financial sense to replace than to continue patching.
The right material for your replacement fence depends on your budget, how much maintenance you want to do, and how your yard is exposed to the elements. Wood remains the most popular choice in Union City because it is easy to customize for style and privacy - but the species matters here. Cedar and redwood hold up far better in the East Bay's damp climate than cheaper pine options. For homeowners who want a fence that holds up with almost no maintenance, vinyl and aluminum are strong alternatives that resist the moisture and salt air conditions common near the Bay.
Chain-link replacement is the most practical option for large perimeters, utility areas, or any situation where keeping costs down is the main priority. For properties that need both a boundary fence and a controlled entry point, we install wood fencing alongside gate systems as part of the same project - so the access point is as solid as the fence it belongs to. Every replacement job includes a site-specific conversation about which material makes the most sense for your yard, budget, and any HOA requirements in your neighborhood.
Cedar and redwood are the best choices for Union City's damp climate - naturally moisture-resistant and easy to customize for style and privacy needs.
Low-maintenance and highly resistant to the Bay Area's coastal moisture - vinyl holds its color and shape without sealing, staining, or painting over its lifespan.
Will not rust in salt-air conditions, making aluminum a strong choice for Union City properties where corrosion resistance matters as much as appearance.
The most cost-effective option for large perimeters and utility areas - galvanized or vinyl-coated chain link holds up well in the East Bay's wet winters.
Union City's housing stock skews older - a significant share of neighborhoods were built between the 1960s and 1980s, which means many original or early-replacement fences are well past their useful life. The clay soil that sits under most of the East Bay is one of the most demanding environments for fence installation anywhere in California. It swells with winter rain and contracts in summer, and that seasonal movement puts continuous stress on anything anchored in the ground. A post set at a standard depth with a standard concrete mix in Union City will fail sooner than one that was specified with this soil in mind. The Bay Area's seismic environment adds another layer: even moderate ground movement can shift posts that were not set deeply enough, and Union City sits close to the Hayward Fault.
The permit requirements here are also worth understanding before work starts. The City of Union City requires a building permit for fences over six feet in height, and height limits can be lower in front yards or on corner lots. Homeowners in Newark and San Leandro face similar Alameda County conditions, and we handle permits in all of those areas through the same permit-first process we follow in Union City. Skipping the permit to save a week can turn into a much larger problem if a neighbor complains or the issue surfaces during a home sale.
Contact us and we will ask a few basic questions - fence length, material preference, any concerns about slope or gate placement. Then we visit your property, measure the fence line, and talk through your material options. You receive a written estimate before any work is agreed to.
If your fence height or location requires a permit from the Union City Building Division, we handle the application before work begins. We keep you updated throughout the review process and reply to questions within one business day. You should never be asked to skip the permit to save time.
On the first day the crew removes your existing fence - panels, posts, and all. Old materials are hauled away. New posts are set in concrete at a depth suited to Union City's clay soil, which shifts with the wet and dry seasons and requires more depth than many other areas.
Once the concrete has cured the panels and any gates are installed. The full job typically takes one to three days. Before we leave, walk the fence line with us - check that posts are straight, panels are even, and gates open smoothly. Any issues are addressed on the spot.
Written quote, old fence removed, permits handled. We reply within one business day.
The dense, expansive clay soil under most of Union City shifts with every rainy season. We dig post holes at a depth and use a concrete mix suited to this specific soil type - because a fence that looks perfect on installation day but leans by February is not a fence that was built right for this area.
California Geological SurveyWe apply for required permits through the Union City Building Division before any digging begins. A fence installed without a required permit can result in fines, removal orders, or complications when you sell your home. We handle this process as a standard part of every job - not as an add-on you have to ask for.
Union City Building DivisionThe salt air and fog off San Francisco Bay accelerate rot in poorly chosen wood and rust in unprotected metal. We recommend materials and finishes based on how your specific yard is exposed - so your fence is still in good shape a decade from now, not just on the day we finish.
Newer Union City neighborhoods near the BART station and along Decoto Road often have HOA rules about fence height, material, and color. We ask about your HOA during the estimate and help you confirm approval before work begins - so you do not end up with a fence your association requires you to remove.
American Fence AssociationWe have done fence replacement work across Union City and the surrounding East Bay cities, which means we come to your property already understanding the soil conditions, permit requirements, and HOA landscape that shape every job here. A written quote, a permit-first approach, and a final walkthrough before we leave are standard on every replacement project we take on.
Cedar and redwood installation suited to Union City's Bay Area climate, with optional staining and sealing included from the start.
Learn MoreIf your fence has isolated damage but is mostly sound, targeted repairs can extend its life before a full replacement becomes necessary.
Learn MoreCall today for a free written estimate. We handle permits, old fence removal, and cleanup - and we build for Union City conditions, not just the short term.