The 78704 Development Pipeline Heading Into 2027
Developer Intelligence · August 2026
The short answer: the rules got looser and the review got faster, but the margins stayed tight. HOME Phase 2 is in effect and still contested. Austin cut residential review timelines on July 1. Land basis is holding. What that adds up to is a market where builders are running fewer concurrent projects, designing hard against the exemption list, and concentrating spec capital in Zilker and Bouldin Creek rather than at the top of Barton Hills.
This piece closes out a series covering 78704 development from the ground up — lot economics, code constraints, builder relationships, contracts and timelines. What follows is where the four neighborhoods actually stand, what changed this year, and the three things worth watching as 2027 approaches. Links to the full series are at the bottom.
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45% / 40% IMPERVIOUS Cover and FAR The two numbers governing every lot | 1,800 SF Minimum Lot Size Under HOME Phase 2, down from 5,750 | JUL 1 Review Times Reduced Faster front half, same correction cycles | $750K–$1.4M Land Basis Range Bouldin at the floor, Barton Hills at the ceiling |
Where the Four Neighborhoods Stand
Neighborhood | Land | Exit | The Governing Constraint |
|---|---|---|---|
Barton Hills | $900K–$1.4M | $2.8M–$5M+ | Slope, canopy and capital. Highest ceiling in the ZIP code, thinnest percentage margin. Owner-driven custom more than spec. |
Zilker | $800K–$900K | $2.8M–$4M | Trees and cover. Best risk-adjusted spec math in 78704 right now. Two October weekends of festival to plan around. |
Bouldin Creek | $750K–$850K | $2.5M–$3M+ | Frontage width. Narrow lots force vertical design; walkability holds small-home per-foot value better than anywhere in 78704. |
Travis Heights | $750K–$850K | $2.5M–$3M+ | Topography and character. The one neighborhood where a serious restoration frequently beats a new build on both cost and exit. |
Ranges reflect current market estimates for well-positioned product. Individual lots vary substantially by street, slope, width, tree coverage and utility position. Every parcel needs its own analysis.
What Actually Changed This Year
HOME Phase 2 settled into practice. The minimum lot size of 1,800 square feet, ten-foot setbacks with a five-foot porch option, and the removal of Subchapter F from small lots are all operational, and the City continues processing applications under both phases. What hasn't settled is the legal picture — provisions have been challenged, and in May city officials were asked to revise portions of the rules more than two years after adoption.
Review got faster. Austin Development Services reduced residential plan review timelines effective July 1. That compresses the front half of a project and, more to the point, compresses carry cost. It does nothing about correction cycles, which remain the dominant permitting variable.
Margins stayed tight. Nothing this year materially widened the gap between all-in cost and exit. Hard costs run $400 to $500 per square foot across most of 78704 and $500 to $600 in Barton Hills, and the exits haven't moved enough to change the arithmetic. A well-run Zilker spec still pencils. A Barton Hills spec still requires either an exceptional lot or real capital depth.
The pattern underneath all of it: builders who were running four and five concurrent projects a few years ago are running one or two now. That's not distress — it's discipline. It also means the practical constraint on 78704 supply isn't lots or demand, it's how much capital any individual builder is willing to have deployed at once. Which is exactly why off-market lot flow matters more than it used to.
What Builders Are Actually Doing About It
Designing against the exemption list from the first sketch. When FAR is the binding constraint, qualifying attic volume, below-grade space, the 450-square-foot detached parking allowance and the 200-square-foot attached allowance stop being nice-to-haves and become a meaningful percentage of the house. The builders getting the most out of these lots are the ones treating exemptions as a design input rather than a discovery.
Carports instead of garages, nearly universally. An unenclosed carport meeting the open-siding requirements drops out of the FAR calculation and treats the cover budget more kindly than an enclosed garage. On a Bouldin lot with a 2,500-square-foot ceiling, that trade is worth a bedroom.
Chasing certainty on land. With fewer projects running and more capital per project, the cost of losing three weeks to a failed feasibility is higher than it was. That has pushed more lot trades off-market and made a builder's relationship with the brokers working these four neighborhoods a genuine competitive advantage.
Building to the neighborhood, not to a template. The compression in margins has made product-market fit unforgiving. A house designed for Bouldin's walkability that lands in Barton Hills, or vice versa, shows up as days on market rather than as a pricing problem — and days on market is what a thin margin can't absorb.
Three Things to Watch Into 2027
1. Whether HOME survives intact. This is the biggest open variable in central Austin development. The rules are operational and builders are using them, but a project underwritten on a two-year timeline is exposed to a rule set still being argued about. Anyone entitling a lot split should be getting current status from a land use attorney rather than from a blog post — including this one.
2. Whether the faster review holds. July's reduction is real and welcome. Whether it survives a return to peak volume is a different question. If it does, it's worth a meaningful amount of carry cost per project across the market. Watch published timelines rather than assuming.
3. Whether the top of the range extends. Barton Hills' ceiling above $4 million is what makes its thin percentage margins tolerable. If that ceiling rises, Barton Hills spec becomes considerably more attractive. If it stalls while costs drift up, capital keeps concentrating in Zilker and Bouldin. This is the number to watch on comparable sales, and it's the one that most changes where builders put money next year.
Own a lot, building on one, or trying to decide?
Everything in this series is directional. The version that matters runs on your specific parcel — its width, slope, trees, zoning and street. The Davis Agency has underwritten and transacted 78704 development since 2006 and can put real numbers against yours.
Where This Leaves You
If you own a 78704 lot. You have more options than you did three years ago and a shorter list of buyers who can execute on any of them. Understand which of the four neighborhoods you're actually in, whether your frontage and area support a split, and what your recorded deed restrictions say — before you talk price with anyone.
If you're building. The two numbers are 45 percent cover and 40 percent FAR, the exemptions are where the square footage comes from, and the tree survey comes before design rather than after. Budget 20 to 30 months, vet the builder on lien history and recent references rather than the portfolio, and read the allowance schedule before you read the price.
If you're buying finished. Compare lot width before lot size, ask who built it and what else they've delivered nearby, and understand that a house at the top of Zilker's range and one at the bottom of Barton Hills' are the same money for very different things — walkability versus acreage, essentially.
Frequently Asked Questions
Is it still profitable to build spec homes in 78704?
Yes, but margins are tighter than they were and vary considerably by neighborhood. Zilker and Bouldin Creek currently produce the better risk-adjusted math — lower land basis and lower per-foot construction cost against exits that still clear $2.5 to $3 million and beyond. Barton Hills offers the highest ceiling, above $4 million, but with thinner percentage margins and materially more capital deployed over a longer build.
What's the biggest risk facing Austin infill development right now?
Regulatory uncertainty around the HOME amendments. The rules are in effect and the City continues processing applications under both phases, but provisions have faced legal challenge and revisions were sought in 2026. Any project underwritten across a two-year timeline carries exposure to a rule set that is still being contested, and that belongs in a pro forma as a real line item.
Which 78704 neighborhood is best for new construction?
It depends on the goal. Zilker offers the strongest current spec economics. Barton Hills has the highest exit ceiling and suits owner-driven custom builds. Bouldin Creek offers the lowest entry point and the best walkability premium on smaller homes. Travis Heights is the one where restoration frequently outperforms replacement, because slope raises construction costs while exits track Bouldin's range.
How long does a 78704 development project take from start to finish?
Plan on 14 to 18 months from first design meeting to move-in — two to six weeks of feasibility, four to eight months of design, one to four months of permitting, 10 to 12 months of construction, and three to eight weeks of closeout. Austin reduced residential plan review timelines effective July 1, 2026, which compresses the permitting phase, though correction cycles remain the dominant variable.
The Complete 78704 Development Series
Everything referenced above, in reading order.
→ HOME Phase 2 Math in 78704: When a Lot Split Pencils and When It Doesn't
→ What a Zilker Lot Actually Supports: Cover, FAR, and the Trees
→ Bouldin Creek's Lot Geometry Problem
→ Travis Heights: Hillside Lots, Historic Character, and What Buyers Actually Pay For
→ Barton Hills vs. Zilker: The Builder's Comparison
→ Who's Actually Building in Barton Hills Right Now
→ The 78704 Builder Vetting Checklist
→ Fixed Price vs. Cost-Plus: How 78704 Builder Contracts Actually Work
→ What a 78704 Build Timeline Actually Looks Like in 2026
→ Buying a Spec Home Pre-Drywall in 78704
→ Builder Relationships: How Off-Market Lots Actually Trade in 78704
Let's Talk About Your Parcel
Whether you're holding a lot, comparing two, evaluating a builder proposal, or trying to work out whether building beats buying at your number, the useful version of this conversation happens before you've committed to anything. The Davis Agency has worked 78704 development since 2006.
Start the ConversationCall (512) 608-8811
Derrik Davis · Broker/Owner, The Davis Agency · CLHMS Certified · TREC License #558841 · Serving 78704 and the greater Austin luxury market since 2006. This article is general market commentary and is not legal, engineering or investment advice. Figures are illustrative estimates, not projections. Confirm zoning, code status, site conditions and comparable sales for any specific property before making a development decision.
