Best Floor Jacks For Houses for Beams, Joists, and Crawl Spaces

#1 · Best Overall

1. LEVENDOR House Jacks

• Load Capacity: 18000 lb
• Compatible with Vehicle Type: House

Best for: High-capacity joist support.

Why it ranks #1: Its 17–38-inch range suits joist and crawl-space work, while the listed 18,000-pound capacity, locking pins, and adjustment rod add useful support details.

An 18,000-pound stated capacity and 17-to-38-inch adjustment range make the LEVENDOR jack a substantial option for joist, pier, and crawl-space support. Its rotating adjustment rod and two locking pins are specified for height changes and securing the selected position, for temporary or permanent support applications.

The 17-to-38-inch span fits a range of underfloor and deck support locations, while the rotating rod is described as enabling fast, smooth height adjustment. Two locking pins provide specified locking hardware once positioned. The listing states an 18,000-pound maximum capacity and identifies both temporary and permanent support uses for sagging or damaged floor joists, piers, and crawl spaces. Because the supplied information describes a jack rather than a multi-post set, buyers planning several support points should account for the number needed.

Skip it if you need support above 38 inches; the LYLCDDP CM-370060 reaches 60 inches.

Consider the LEVENDOR jack for joist, pier, or crawl-space work where temporary or permanent support and an 18,000-pound stated capacity matter. Its 38-inch maximum sets a clear boundary for taller framing, and multiple points require multiple jacks.

Listed on Amazon as: House Floor Jacks for Leveling – 17"-38" Adjustable Jack Posts for Joist and Crawlspace Support, Screw Jacks Home Leveling, Foundation Jacks for Permanent Leveling, Max Load Capacity 18000lbs

#2 · Wide Height Range

2. B4B Long-Range Jacks

• Load Capacity: 11023 lb
• Material Type: Steel

Best for: Fine-tuned mid-height support.

Why it ranks #2: The four-post set adjusts from 21 to 43 inches, lists 11,023 pounds per jack, and combines a swivel top with preset heights and fine-tuning.

Three preset heights plus eight inches of fine-tuning give this B4B BANG 4 BUCK four-pack a more segmented adjustment approach across its 21-to-43-inch range. The swiveling top plate also helps align support in tight or uneven spaces while extending the screw for beams and basement work.

The 21-to-43-inch span serves mid-height placements, while the three preset settings and eight-inch fine adjustment offer a way to establish a base height before dialing in the position. Each jack is rated for 11,023 pounds, and M22 safety locking screws and pins are specified for securing the support. A swiveling top plate helps with flexible alignment in tight or uneven spaces. Four jacks and two adjusting rods are included, so the set provides multiple support points with a pair of rods.

Skip it if you need a post below 21 inches; the B4B BANG 4 BUCK 11–16-inch four-pack covers lower placements.

This four-pack fits buyers supporting beams or basement areas at mid-height, especially when preset positioning and fine adjustment help the setup. Its 21-inch minimum excludes lower-clearance placements, and the two rods mean adjustments are shared across four jacks.

Listed on Amazon as: 4 Pack House Floor Jacks, 21"-43" Height Range, 11023 LBS Max Load

#3 · Midrange Four-Pack

3. Novastry Adjustable Jacks

• Load Capacity: 11023 lb
• Compatible with Vehicle Type: Car

Best for: Mid-height four-post support.

Why it ranks #3: Four posts adjust from 19 to 36 inches and list 11,023 pounds of capacity, a practical combination for beam, joist, and crawl-space tasks.

A 19-to-36-inch threaded adjustment range gives the Novastry four-pack useful reach for floor joists, crawl spaces, and beam support. Each jack is listed at 11,023 pounds capacity, and the threaded design is described as allowing precise height positioning for leveling and home repair tasks.

The four-post pack addresses projects needing several support locations, while the 19-to-36-inch range covers mid-height placements rather than very low clearances or taller beams. Threaded adjustment is specifically described as enabling precise positioning, which can help when leveling uneven floors or stabilizing joists. The heavy-duty steel construction and stated 11,023-pound capacity supply the listed support specifications. A screw is named among the included contents; the listing does not provide further setup steps, so installation workflow details are limited.

Skip it if you need support above 36 inches; the LYLCDDP 37–60-inch jack reaches higher placements.

This Novastry four-pack suits home repair work needing several mid-height supports for joists, beams, or crawl spaces. Its threaded adjustment aids positioning, but the 36-inch ceiling rules out taller locations; compare the required height before choosing.

Listed on Amazon as: House Jacks for Leveling, 4 Pack House Floor Jack 19-36 Inch Adjustable Jack Posts, 11023 lbs Heavy Duty House Jacks for Basement, Crawl Space, Foundation, Floor Joists, Porch & Roof Beam Support

#4 · Tallest Reach

4. VEVOR Tall Jack Pair

• Load Capacity: 11200 lb
• Material Type: Q235 Carbon Steel
• Compatible with Vehicle Type: Car

Best for: Tall beam and patio support.

Why it ranks #4: This two-jack set spans 54 to 150 inches and lists 11,200 pounds per jack, making it the standout for unusually tall support points.

A 54-to-150-inch adjustment range lets the VEVOR pair reach substantially taller support points than short basement posts. Each Q235 steel jack is rated for 11,200 pounds, making the set relevant to temporary or extra support beneath beams, patios, and construction areas where height is the defining requirement.

The broad height span accommodates support locations from lower framing to taller beam or patio positions, while the two-jack set provides a pair for a project. Q235 carbon steel and the stated 11,200-pound capacity per jack address heavy support needs. Height changes use a rotating lever, so adjustment does not require extra tools or complicated measurements according to the supplied description. The included adjustment rods and locking pins are part of the package; at 74.7 pounds total, moving the set takes planning.

Skip it if you need support below 54 inches; the B4B BANG 4 BUCK 11–16-inch four-pack covers a much lower range.

Choose this VEVOR pair for tall beams, patios, or construction support where the 54-to-150-inch span is useful. Its 54-inch minimum makes it a poor match for low basement clearances, so measure the support point first.

Listed on Amazon as: VEVOR House Floor Jacks, 2 PC, 54"-150" Height Range, 11200 lbs Max Load

#5 · Short-Range Set

5. B4B Short-Range Jacks

• Load Capacity: 11023 lb

Best for: Low-clearance four-point support.

Why it ranks #5: Four posts cover 11 to 16 inches and list 11,023 pounds each, with M22 safety locking screws, pins, and swiveling top plates.

An 11-to-16-inch working range makes this four-jack B4B BANG 4 BUCK set suited to low-clearance support beneath floors and beams. Each jack is rated for 11,023 pounds, and its swiveling top plate can align more flexibly in tight or uneven spaces as the screw extends.

The short adjustment span focuses this set on support points close to the floor rather than taller framing. Four jacks are included, and the one-piece welded base plate is described as providing sturdy support under heavy loads. M22 safety locking screws and pins add specified securing components, while the swiveling top plate helps accommodate alignment as the screw turns. The package includes two adjusting rods, not four, so plan the adjustment workflow around the supplied pair of bars.

Skip it if you need support above 16 inches; the B4B BANG 4 BUCK 21–43-inch four-pack reaches higher framing.

This set suits buyers reinforcing low floor beams or working in tight basement spaces that need four support points. Its 16-inch maximum limits it to low placements, and the two supplied turning bars should shape the adjustment plan.

Listed on Amazon as: 4 Pack House Floor Jacks, 11"-16" Height Range, 11023 LBS Max Load

#6

6. Bldewstg Low-Profile Jacks

• Load Capacity: 11023 lb
• Material Type: Alloy Steel
• Compatible with Vehicle Type: floor

Best for: Very low-clearance support.

Why it ranks #6: Its four-post set has a 7–11-inch range and lists 11,023 pounds per unit, fitting support points too low for taller options.

A 7-to-11-inch height range makes the Bldewstg four-pack a fit for support points with exceptionally little clearance. Each Q235 steel jack is rated for 11,023 pounds, and the swiveling top plate adjusts alignment as the screw turns in tight or uneven spaces such as crawl spaces.

The short 7-to-11-inch range targets placements too low for many taller posts, and the four-jack pack offers multiple support points for beams, joists, or foundation repairs. Q235 steel and an 11,023-pound per-unit rating are stated alongside M22 safety locking screws and pins. The swiveling top plate is described as maintaining flexible alignment while adjusting, which helps when the surrounding space is tight or uneven. The supplied details mention precision threads for height adjustment but provide no further installation procedure.

Skip it if you need a post above 11 inches; the B4B BANG 4 BUCK 11–16-inch four-pack offers more reach.

Choose this Bldewstg pack for very low-clearance floor, joist, or foundation support where four points and swiveling alignment are useful. Its 11-inch ceiling is restrictive, so it only fits locations that fall within the unusually short listed range.

Listed on Amazon as: Floor Jacks for House Leveling 4 Pack, 7" – 11" Height Range

#7

7. LYLCDDP Tall Jacks

• Load Capacity: 11000lbs Max Load Capacity lb
• Compatible with Vehicle Type: Universal Fit

Best for: Tall single-post support.

Why it ranks #7: The two-post set adjusts from 37 to 60 inches and lists an 11,000-pound maximum per jack, with a swiveling top and adjustment rods.

A 37-to-60-inch adjustment range makes the LYLCDDP jack suited to taller support points than short basement posts can reach. The Q235 steel unit is rated for 11,000 pounds, and its swiveling top plate allows flexible alignment as the screw extends, provided it sits on a flat, level surface.

The listed 37-to-60-inch span targets higher beams or support positions, while the swiveling top plate helps align the jack in tight or uneven spaces during extension. Q235 steel and an 11,000-pound capacity provide the product's stated heavy-support specifications. The supplied contents list two floor jacks and two adjusting rods, despite the title's singular phrasing, so buyers receive a pair according to the contents field. The safety notice calls for a flat, level surface to prevent tipping or instability.

Skip it if you need a post below 37 inches; the B4B BANG 4 BUCK 21–43-inch four-pack starts lower.

Pick this LYLCDDP set for taller support points where a 37-to-60-inch span and swiveling alignment suit the placement. Its minimum height is 37 inches, and the supplied safety notice requires a flat, level surface to avoid instability.

Listed on Amazon as: 37"-60" House Floor Jack,House Floor Jacks Post Pole for Leveling

#8

8. Youlina Support Posts

• Load Capacity: 13200 lb
• Material Type: Stainless Steel
• Compatible with Vehicle Type: RV

Best for: Six-post short-span support.

Why it ranks #8: Six posts adjust from 12 to 16.5 inches, and the listing states 13,200 pounds; the supplied information does not clarify whether that is per post.

Six posts in one set give the Youlina support kit multiple points for reinforcing joists, beams, stairs, porches, decks, or crawl spaces. Its 12-to-16.5-inch adjustment range focuses on short-span placements, while the listed 13,200-pound capacity and stainless-steel material define its stated heavy-duty specification.

The six-post count can support a project involving several points, and the supplied description lists temporary or permanent support uses across beams, joists, stairs, porches, decks, and crawl spaces. A 12-to-16.5-inch range limits placement to relatively low support locations. The stated 13,200-pound capacity is paired with 5-by-5-inch base plates and 3-by-3-inch top plates, which the listing associates with secure anchoring and even weight distribution. No components are listed as included, so check what tools or hardware your installation requires.

Skip it if you need support above 16.5 inches; the Novastry 19–36-inch four-pack reaches taller positions.

Choose the Youlina set for several low support points across joists, stairs, decks, or crawl spaces, with listed plate dimensions and a 13,200-pound capacity. Its 16.5-inch ceiling is a key fit boundary; plan around that short range.

Listed on Amazon as: 6 PCS House Floor Jacks Post Pole for Leveling, 12" – 16.5" Height Range, 6 ton Min and Max Height Capacity, House Floor Jacks Post Pole for Leveling

#9

9. ASTAMOTOR Support Jacks

• Load Capacity: 6 tons
• Material Type: Steel

Best for: Six-pack for low framing.

Why it ranks #9: The six-post galvanized set covers about 11.6–16.1 inches, but its stated 13,200-pound capacity is total, or 2,200 pounds per jack.

Six galvanized adjustable posts make the ASTAMOTOR set a multi-point option for stabilizing floor beams, joists, stairs, porches, decks, or crawl spaces. Its stated range is about 11.6 to 16.1 inches, with 13,200 pounds total capacity across the set, making it a low-clearance support choice.

The six-post count suits work calling for several support locations, while the listed 11.6-to-16.1-inch adjustment range keeps the set focused on low framing. The manufacturer states 13,200 pounds total capacity, or 2,200 pounds per jack, an important distinction when planning loads across individual posts. Steel construction and the supplied description identify galvanized posts, and the 5-by-5-inch base plates include half-inch holes. The listing includes no components, so installation hardware and tools are not specified as part of the package.

Skip it if you need more than 2,200 pounds at one post; the LEVENDOR 17–38-inch jack lists 18,000 pounds capacity.

This ASTAMOTOR six-pack suits buyers distributing low-level support across multiple floor or deck points. Keep the listed 2,200-pound per-jack capacity in view rather than treating the 13,200-pound total as a single-post rating, and check the short height range.

Listed on Amazon as: 6 PCS House Floor Jacks Post Pole for Leveling, 11" – 16" Height Range, 6 ton Min and Max Height Capacity, Galvanized, 6 Pack

#10

10. QARCMQ Adjustable Jack

• Load Capacity: 10000 lb
• Material Type: Carbon Steel
• Compatible with Vehicle Type: house floor jacks for leveling

Best for: Compact carbon-steel post.

Why it ranks #10: This single carbon-steel post lists a 10,000-pound capacity, but its title and feature text give conflicting height ranges, making fit harder to verify.

At a listed 4.5 pounds, the QARCMQ carbon-steel jack is a notably light support post to handle during DIY renovations or construction work. Its specifications state a 10,000-pound load capacity, while the title lists an 11.5-to-20-inch height range for lower support locations.

The carbon-steel construction and stated 10,000-pound capacity target demanding support tasks such as stabilizing roof beams, attics, and stair platforms, as described in the supplied features. The title's 11.5-to-20-inch range makes the listed fit relatively compact, so it can suit lower placements rather than taller supports. At 4.5 pounds, the specified weight makes carrying and repositioning less burdensome. The listing also includes an alloy steel pipe, though it provides no further installation or adjustment workflow details.

Skip it if you need a post above 20 inches; the Novastry 19–36-inch four-pack provides a higher listed maximum.

Consider this QARCMQ post for DIY or construction support at lower heights when a specified 10,000-pound capacity and light 4.5-pound weight suit the task. Its title lists a 20-inch maximum, so it will not reach taller support points.

Listed on Amazon as: Adjustable House Jacks for Leveling – Carbon Steel Floor Jack, 11.5-20inch